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SKU 2177400  UPC 0799705798540

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Common misspellings:
  • 1C693TCM302
  • IC693TCM3o2
  • IC693TCM302

Product Description

IC693TCM302 is a temperature Control Module for the Series 90™-30 PLC. The Temperature Control module is a high-performance control module that offers around eight channels of thermocouple input and eight channels of control output in a single Series 90-30 module. Every module has the ability to function in a locked or open loop mode. This makes it easier for the PLC to perform temperature monitoring and control functions. IC693TCM302 is structured to be utilized by many applications. It has the potential to display 12 bits or 0.2°C resolution, ± 12V common mode voltage, it can detect Open thermocouple and reverse connection and the ability to detect and show out-of-tolerance temperature. The temperature control modules regulate temperature in eight independent zones within ±1°C of the specified temperature one zone.  The TCM has two modes of functionality; auto mode and manual mode. These modes can be used depending on each zone basis. In the auto mode, the TCM actualizes a closed-loop PID (Proportional - Integral - Derivative) temperature control. Each one of the zones has The PWM (Pulse Width Modulation) output which is programmable from 0.1 to 60 seconds. The PWM output duty cycle for a single zone is obtained depending on PID coefficients. These coefficients run from 0 to 100 % of the output period with a resolution of 0.1%.   Based on Manual Mode, the TCM implements puts into action an open-loop. Each output channel has a duty cycle similar to that of auto mode.

The TCM has the following functions; power on self-test (POST) including memory and peripheral circuitry testing. It offers continuous evaluation and shows off the outside power status with the help of a front panel. The IC693TCM302 panel has 12 LED indicators that provide and confirm the thermocouple status for every zone and gives feedback concerning open-circuit and reverse polarity faults. If a thermocouple fault exists, the zone charge of controlling can maintain manual duty cycle output or switch off the output immediately. The TCM permits the Programmable Logic Controller user to put together both the logic and control functions of the Series 90-30 PLC with a high-performance temperature controller. The temperature control of many configurations of heaters can be contributed by a variety of TCM. The TCM and the Series 90-30 PLC can work in harmony to offer an open/closed loop temperature control. The Reference and configuration information is moved to each PLC from the Series 90-30 and the TCM by the use of %Q and %AQ data. In addition, The TCM   consists of a 2 Amp user fuse that is replaceable and is situated at the TCM circuit board at the back of the front bezel. IC693TCM302 can work on a Series 90-30 expansion baseplate. This can be set up using the logic master 90 software in order to avoid the local application program from starting any command which might interfere with the functions the module.

Technical Specifications

Module Type:  Thermocouple Input
Output Voltage Range:   18 to 30 volts DC
Load Current: 100 mA per point
No. of Channels: 8 T/C In and 8 DC out
Internal Power Used: 150 mA @ 5 VDC
DC Power: Yes



Technical Information

TCM Specifications

Operating Temperature: 0C. to 55ï‚°C.(32ï‚° to 131ï‚°F)

Storage Temperature: -40ï‚°C. to +85ï‚°C.(-40ï‚°F to +185ï‚°F)              

Humidity: 5% to 95% (Non condensing)

External Power Supply: 18 to 36VDC (2.5A inrush)

Shock: Operating: 15g equivalent, 11 ms, 3 axis positive and negative

Vibration: Operating: 3.5mm, 5 to 9Hz; 1.0g, 9 to 150Hz

Power Supply Current: 150mA (5VDC from backplane)

100mA (24VDC from external supply) + output current

Thermocouple Impedance: 35 Ohms maximum

RTD: 100 Ohms @ 0ï‚°C (32ï‚°F).  (  = 0.00392 )

Output Voltage Range 18 to 30 volts DC

Output Characteristics:

Output Current (ON State) 100mA maximum sourcing

Overload Threshold Current 700 mA typical, 2 milliseconds minimum

Off-State Leakage 0.1 mA maximum

Isolation from PLC Backplane   1000 volts

Maximum Number of PLC Model

Modules/System: Model 311 2 (limited by %AI) Model 313 2 (limited by %AI)

Model 323 2 (limited by %AI)

Model 331 5 (limited by %AI)

Model 340 5 (limited by %I)

Model 341 8 (limited by %I)

Model 351 32 (limited by %I)

Model 352 32 (limited by %I)


Troubleshooting IC693TCM302

Troubleshooting information is available on IC693TCM302's website page; it also includes a datasheet user-manual and a wiring diagram.  


Repair your IC693TCM302

PDF Supply can repair your IC693TCM302 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.

Customer Questions and Answers

  • Question:  What is an IC693TCM302? Answer:  The IC693TCM302 is a Temperature Control module. This module is a high performance module and it provides 8 channels of thermocouple input and 8 channels of control output in a single Series 90-30 module. It provides temperature monitoring and temperature control functions.
  • Question:  Does this module operate in closed or open loop mode?  Answer:  It can operate in both, which alleviates the PLC of providing the temperature control duties.
  • Question:  What does closed loop mean?  Answer:  This is when the module is in auto mode. 
  • Question:  How many seconds can you program the PWM output period for?  Answer:  The IC693TCM302's PWM output period can be programmed from 0.1 to 60 seconds.
  • Question:  What does open loop mean?  Answer:  This is when the module is in manual mode.
  • Question:  What diagnostics does the TCM provide?  Answer:  Start up test (POST)
    • Uninterrupted monitoring and signaling of the external power status using a front facing LED
    • Checks thermocouple status for each section and signals 2 types of flaws
    • Signals thermocouple error status of each section
  • Question:  What software do you use for the configuration of IC693TCM302?  Answer:  You should use the Logicmaster 90-30 configuration software.
  • Question:  How many steps are in the configuration of IC693TCM302?  Answer:  There are 2 steps: I/O Rack Configuration and Module Configuration
  • Question:  What is my next step if my IC693TCM302 is not working?  Answer:  Your product may need repair.

For more information on the IC693TCM302 Temperature Control Module of the GE 90-30 Series, please see the Datasheet Manual.


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