GW Limit Switch GW

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					GW 2.0                                               Limit Switch                                           GW 2.0
                                                                                                                        54,2

                                                                                              12




                                                                                                                                                       106




                                                                                                                        78
                                                                                                        5
                                                                                                                        36




                                                                                                                                                  12
                                                                                                   3




                                                                                                            6




                                                                                                                                          9
                                                                                                                    4 5 9 5

                                                                                                                                                       22,5




                                                                                                                                                  11
                                                                                                   2




                                                                                                            5




                                                                                                                                          8




                                                                                                                                                  10
                                                                                                                    %



                                                                                                                             %
                                                                                                                        B
                                                                                                                        A
                                                                                                   1




                                                                                                            4




                                                                                                                                          7
                                                                                                       door cut-out: 92 x 21,5 mm


                                                                                                                             4   5    9       5




                                                                                         21                                      90




                                                                                              109,5                                                            129




                                                                                               7

                                                                                         24                                      96




                                 Features:
                        eurocard version,
                  top hat rail housing or
            housing for door installation
  input: 0…10 V, 0(4)…20 mA, Pt 100
   two relays with programmable and
   potential free change-over contacts
both switchable separately or together                                                                                                                   160 165


                          delay time and
        switching hysteresis, adjustable
 front side digital setting of limit value
  via momentary contact switch scaled
       from 0…99 % in 1 % steps each                                                                                100




                                             signalling of switching condition by LED
                                             six-channel eurocard version available                             128,4

                                             on request                                                         4   5    9   5                                20,3




                                                                                        D-74363 Güglingen
                                                                                        Kleingartacher Str. 21
                                                                                        Telefon 0 71 35 - 50 56
           Schuhmann Messtechnik                                              03-19     Telefax 0 71 35 - 53 55
                                                                                        www.Schuhmann-Messtechnik.de
                                                                                                                                                                                               SM 20-06-2007




                                                                             Input:                                                        Type:
                                                                             0(4)…20 mA; 50 Ω                                              GW 2.00
                                                                             and 0…10 V DC; 100 kΩ                                         standard inputs
                                                                             0…100 µA 0…50 mA Uv = 1V                                      GW 2.03
                                                                             0…100 mV 0…150 V DC                                           special inputs
                                                                             Rin = 10 kΩ/V

GW 2.0                                                                       Pt 100 linear to resistance
                                                                             smallest interval of temperature 100°C
                                                                                                                                           GW 2.01
                                                                                                                                           special input Pt 100

                                                                Output:
                                                                Limit part:                                                          Limit value adjustment:
                                                                             2 alternating contacts both switchable                              front side momentary contact switch
                                                                             separately mi./max. function                                        scaled from 0…99 % in steps of 1 %
                                                                alternative: 2 alternating contacts both switchable                              each
                                                                             together with adjustable interval                       2 potential free change-over contacts:
                                                                alternative: adjustable on-delay for both change-                                contact duty: < 1000 VA
                                                                             over contacts                                                       (230 V AC, ohmic load)
                                                                Setting via integrated lateral momentary contact                                 switching voltage range: 0,1…250 V
                                                                             switch (see table)                                                  switching current: max. 8 A
                                                                                                                                                 operating time: 0,5 sec. (standard)
                                                                                        Switching function rel. A + rel. B
                                                                                                                                                 contact lifetime:
                                                                         1       max.   relay on actual value > setpoint relay A and B                          > 106 cycles
                                                                         2       min.   relay on actual value < setpoint                         reproduction: > 0,2 %
                                                                                                                            both switchable
                                                                         5       max.   delayed 5 sec.(1)
                                                                         6       min.   delayed 5 sec.(2)                   separately
                                                                         9       max.   relay on actual value > setpoint A relay A and B
                                                                                        relay off actual value < setpoint B switchable
                                                                         A min.         relay on actual value < setpoint B together
                                                                                        relay off actual value > setpoint A
                                                                                                                            interval
                                                                      D max.            delayed 5 sec.(9)
                                                                      E min.            delayed 5 sec.(A)                   A–B

                                                               A             B
                          ~–                                                 ~–
                          ~ + auxiliary power                                ~ + auxiliary power
                              input                                                input
 1    2              3                            1   2              3                 Pt 100
                               –
                               +I
                               +U

 4    5              6                            4   5              6
 %                                               %
           4 5 9 5




                                                           4 5 9 5




 A                                                A
 B                                                B
 %                                               %

      Rel. A                                          Rel. A



 7    8              9                            7   8              9
      Rel. B                                          Rel. B



 10   11             12                          10   11             12
                                                                                                                      switching function




                                                                                                             Rel. B
                                           0-20mA, 0-10V
                                                      input
                                                      switch
                                                                                                                                                                  4-20 mA



                                                                                                                                                                                     0-20 mA
                                                                                                                                                                                      0-10 V




                                                4-20mA
                                                                                                             Rel. A


                                                         relay B                         relay A                                                                            input
                                                                                                                                                                            switch


                                                               switching function




                                                               03-20
                        D.C. limit range                                                               Reduction – contact lifetime                                              Auxiliary power:
                                                                                                                              1
                                   8.0                                                                                                                                           A.C. voltage:            230V (200…250 V) AC
                                   5.0                                                                                       0.9                                                                          (50…60 Hz)
                                                                                                                                                                                                          consumption 10 mA




                                                                                                       Factor of reduction
                                                                                                                             0.8
                   I (Ampere) DC

                                                                                                                                                                                 D,C. voltage:            24V DC (20…30 V)
                                                                                                                             0.7
                                   1.0                                                                                                                                                                    consumption 50 mA
                                                                                                                             0.6                                                 influence of auxiliary power:           < 0,05 %
                                   0.5
                                                                                                                             0.5                                                 Other voltage on request
                                                                               ➀
                                   0.2                                                                                       0.4
                                                              ➁                                                                    0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9     1
                                   0.1
                                         0        40   80     120    160 200       240 280
                                                                                                                                                           cos µ                 Environmental conditions:
                                                     V (Volt) DC                                                                                                                 Storage temperature:           -40...+70 °C
                                         ➀   Ohmic load       ➁ inductive load                                                                                                   Operating temperature: 0...55 °C
                                                                                                                                                                                 Isolation voltage: since 10/97 > 4 kV
                        250 V AC Ohmic load                                                                                                                                                         > 1 kV input/output
                        3.107                                                                                                                                                                       > 4 kV auxiliary voltage AC
                    107                                                                                                                                                                             > 500 V auxiliary voltage DC
                                                                                                                                                                                                       optional 4 kV DC


                                                                                                                                                                                 Electromagnetic compatibility law
Switching cycles




                    106                                                                                                                                                          Germany in accordance with 89/336/EEC,
                                                                                                                                                                                 EMC Directive: 2004/18/EG*EN 61000-6-2*
                                                                                                                                                                                 Low-Voltage Directive: 2006/95/EGEN 61000-6-
                   20.105
                    105
                                         0    1    2    3     4    5           6       7         8
                                                                                                                                                                                 * minimum deviations possible during HF-radiation influence
                                             Switching current (A)




                                             Housing for door
                                               installation
                                                                                    Eurocard

                                                       12                                    2
                                                                                                 b z
                                                                                                                        ~+
                                         Rel. B
                                                       11                                    4                          ~ – auxiliary
                                                                                                                            power
                                                       10                                                     6
                                                                                   Rel. A
                                                  •                                                           8
                                                        9                                              10
                                         Rel. A
                                                        8                                              12                                                                      switching function
                                                                                   Rel. B
                                                        7                                              14
                                                  •             input                                  16                                                          relay                 relay
                                                                +U                                                                                                     A                     B
                                                  6                                         18
                                                  5             +I                          20                                     input
                                                  4             –                           22                                     +U
                                                  •                                         24                                     +I
                                                  2         ~+                              26                                     –
                                                  1         ~ – auxiliary
                                                                power
                                                                                            28
                                                                                            30
                                                                                                                                                                                   0-20 mA                4-20 mA
                                                                                            32                                                                                     0-10 V
                                                                                                                                                                                                  input
                                                                                                                                                                                                 switch
                                                  •                                         18
                                                  6                                         20
                                                  5                  Pt 100                 22
                                                  4                                         24                                          Pt 100
                                                  •                                         26
                                                  2         ~+                              28
                                                  1         ~ – auxiliary
                                                                power
                                                                                            30
                                                                                            32
                                                                                                                     SM 20-06-2007




         Application:
         The electronic Limit Switch GW 2.00 is mainly          considerably and where a temporary change of
         used for the controlling of limit values within        signal input should not start the relay. The ad-
         process engineering systems. Multistage switch-        justment of the limit values takes place via front
         able input respectively output functions allow         side momentary contact switch within a scale of

GW 2.0   an easy and fast adjustment to all standard
         physical values which can be converted into
         electrical signals (e.g. temperature, pressure,
                                                                0…99 % in steps of 1 % each. The usual calibra-
                                                                tion by multimeters etc. is not necessary. The
                                                                front side LED indicates the status of the
         filling levels, etc.). The control mechanism of         corresponding output relay. The Limit Switch
         GW 2.00 takes place by a measuring resistance          2. 00 is used for the supervision of supply or
         (e.g. Pt 100) or by a standard current respective-     control voltages. Application range includes also
         ly voltage. The two potential free alternating         water processing for pump control of containers
         output contacts can be switched separately or          or level control (e.g. 20 % = pump on / 80 % =
         together as min./max. function (two-point stabi-       pump off), control of final signal of positioning
         lizer). The integrated interval switching function     elements or aggregates as well as control of
         with a delay of about 5 sec. (standard) is especial-   temperature in production plants or storerooms.
         ly designed for measuring values which fluctuate
   5
   9




         Function:
   5




         The values to be controlled can exist as direct        within a scale of 1…99 % by front side setpoint
   4




         current signal, voltage signal or resistance sig-      adjustment “upper limit value” and “lower limit
         nal (alternating currents/alternating current          value”. The status of the erected relay will be
         voltages are available on request). After inter-       indicated by LED on front side. The alternating
         nal preparation the actual input signal will be        contacts for the outputs range from 0,1 V to
         compared with the digital adjusted limit value         250 V with a load rating up to 100 VA/2 A.
         and the measuring signal will be indicated by a        For safety reasons we recommend to mount
         relay in case of exceeding or falling off. Two         the top hat rail housing with a distance of
         switching functions are realizable, because            approx. 5 mm to each other..
         both relays have a potential free change-over
         contact each. A hysteresis e.g. can be reached




         Mounting details:                                      Ordering information:
         Housing for top hat rail                               Type:   GW 2.00 E eurocard standard
         Type of protection: IP 20 housing/IP 10                        GW 2.00 G housing for top hat rail
                         clamps                                                   standard
         Rail-mounting fixed according to                                GW 2.00 T housing for door
                             EN 50022-35 x 7,5 mm                                 installation standard
         Width:              22,5 mm
         Weight :              140 g                                    GW 2.03 E eurocard
                                                                                  special inputs
         Eurocard version
                                                                        GW 2.03 G housing for top hat rail
         Front panel:     anodized aluminium 3HE/4TE                              special inputs
   5




                          (128,4/20,3mm)
                                                                        GW 2.03 T housing for door
         Connector:       32 pole type F according to
   9




                                                                                  installation special inputs
                          DIN 41612
                                                                Input information: in clear text (e.g. 0…1 V)
   5




         Weight:          180 g
   4




                                                                        GW 2.01 E eurocard
         Housing for door installation
                                                                                  special input Pt 100
         Front panel:      96 x 24 mm
                                                                        GW 2.01 G housing for top hat rail
         Mounting depth: 129 mm                                                   special input Pt 100
         Front plate:     anodized aluminium, housing                   GW 2.01 T housing for door installation
                          noryl                                                   special input Pt 100
         Electrical connections: removable screw                Input information:
                                 terminal strips                         in clear text (e.g. -50…+50°C)
         By the 45°-angular design of the screw termi-          Auxiliary power: in clear text (e.g. 230 V AC)
         nal strip stacking of several devices is possible.
         Weight:          220 g



         03-22

				
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