www.qualitrolcorp.com
Overview
2
An analog output is provided that is proportional to the highest of the three input
temperatures. The output can be configured to be 0–1 mA, 0–10 mA, 0–20 mA,
4–20 mA, or 0–5 V
A USB data line is used to set up the programmable parameters of the unit.
Power to the unit is via a Universal Power Supply that can accept as Prime Power 80–
300 VAC 50/60 Hz or 40–280 VDC.
The 118 ITM is a panel mounted through a cutout.
RS-485 data link with Modbus protocol is available as an option that must be specified at
the time of the order.
1.2. QUALITROL
QUALITROL has been a leader in supplying pressure, liquid-level, and temperature controls
since 1945. As an ISO 9001 system-certified company, we are committed to providing you
with quality and reliability, both in our products and in our service.
1.3. About This Manual
This manual provides all the information you will need to install, set up, and operate your
QUALITROL Intelligent Transformer Monitor. It is organized into the following sections:
Installation
– Step-by-step, illustrated instructions to guide you through mounting, supplying
power to, and wiring your Transformer Monitor.
Operation
– A description of use during transformer operation, as well as easy instructions
on how to perform a system test while the transformer is in service.
Functional Specification
– A detailed functional specification of the unit.
Setup Software
– Step-by-step instructions to guide you through configuration of the
Transformer Monitor to meet your specific needs.
Appendix A
– Step-by-step instructions to guide you through the manual adjustment of set
points of the Transformer Monitor.
Appendix B
– Guides you through the installation considerations and the method of testing
a thermocouple-equipped ITM for accuracy.
Appendix C
– Guides you through the possible error codes that may be displayed, the
conditions that resulted in the error codes, and the situations’ effects on the Transformer
Monitor.
Appendix D
– Guides you through special requirements in order to use the Transformer
Monitor in the European community.
Appendix E
– Step-by-step instructions to guide you through set up of the Transformer
Monitor for use with Modbus communications.
