association news | Certiﬁcation Review
Documenting skills is value-add
ISA certiﬁcation provides an objective, third-party assessment, and conﬁrmation of a
person’s skills. It gives manufacturing and factory staff the opportunity to differentiate
themselves from their peers and gain recognition. InTech covers two certiﬁcation areas
in this monthly Certiﬁcation department.
ISA Certiﬁed Automation Professional (CAP) program
Certiﬁed Automation Professionals (CAPs) are responsible for the direction, design, and
deployment of systems and equipment for manufacturing and control systems.
The following question comes from the CAP study guide, Performance Domain
III, System Design, Design, specify, and procure the hardware/software used in the
CAP question CAP answer
An application includes a VFD that implements a V/Hz The correct answer is C, 100%.
method of torque control while maintaining a ﬁxed V/Hz The volts-per-hertz ratio (V/Hz) controls the torque of a motor.
ratio. The motor has a nameplate rating of 460 volts and As long as this ratio remains in proportion with the nameplate
60Hz. If the drive is operating at 30Hz, what percent of rating, the motor will develop rated torque. The only answer that
rated torque will the motor MOST likely develop? represents rated torque is 100% rated torque. The other values
A. 25% do not represent rated torque.
B. 50% Reference: Dave Polka; Motors and Drives: A Practical Technol-
C. 100% ogy Guide; ISA Press, 2003
ISA Certiﬁed Control Systems Technician (CCST) program
Certiﬁed Control System Technicians (CCSTs) calibrate, document, troubleshoot, and
repair/replace instrumentation for systems that measure and control level, temperature,
pressure, ﬂow, and other process variables.
This question comes from the Level I study guide, Domain 3, Troubleshooting. Level
I represents a professional who has a ﬁve-year total of education, training, and/or ex-
CCST question CCST answer
The standard range for pneumatically transmitted signals Industry recognized early on that for the sake of ease and safe