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IC694MDL655 Wiring

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  • IC694MDL655
  • IC694MDL655 Wiring

Product Description

The IC694MDL655 is a 32-Point, 24 VDC, Positive/Negative Logic, Input module from the GE Fanuc RX3i Series. This module provides 32 discrete input points.  The inputs are positive or negative logic inputs and will operate at levels up to 30V.  See specifications for this unit on IC694MDL655's website page.

Technical Specifications

Rated Voltage: 24 volts DC
# of Inputs: 32 (4 isolated groups of 8) 
Freq: N/A
Input Current: 7 mA
Input Voltage Range:   0 to +30VDC
Power Consumption:   195 mA from 5V bus, 224 mA from 24V supply


GE Intelligent Platforms / GE Fanuc GE RX3i PacSystem

SKU 2170312  UPC 0300544900164

Part Number: IC694MDL655 / ic694mdl655
Mfr/Brand Name: GE Automation
Mfr Number: IC694MDL655 / ic694mdl655
Type: 24 volt DC, POS/NEG Logic Input Module, 32 Points

Troubleshooting and Product Information for IC694MDL655

Download product information, troubleshooting guides and operation manuals to get your PLC operational.

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Other IC694MDL655

Available Revisions:

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1C694MDL655 , GEFIC694MDL655 , CIMIC694MDL655






Rated Voltage,

Positive or Negative Logic

5 to12 volts DC

24 volts DC

48 volts DC

Input Voltage Range

0 to 15 volts DC

0 to 30 volts DC

0 to 60 volts DC

Input Current

(typical ON current at rated voltage)

3.0mA @ 5VDC

8.5mA @ 12VDC

7.0mA @ 24 VDC

1.7mA @ 48 VDC

Input Characteristics On–state Voltage Off–state Voltage On–state Current


Off–state Current


4.2 to 15 volts DC 0 to 2.6 volts DC

>2.5mA (minimum) guaranteed on

<1.2mA (maximum) guaranteed off


11.5 to 30 volts DC 0 to 5 volts DC

>3.2mA (minimum)

guaranteed on

<1.1mA (maximum) guaranteed off


34 to 60 volts DC

0 to 10 volts DC

>1.0mA (minimum) guaranteed on

<0.4mA (maximum) guaranteed off

On or Off response Time *

1ms maximum

2ms maximum

2ms maximum

* Within the module; does not include communications with CPU.

Inputs per Module

32 (four groups of eight inputs each)

98.4 feet (30 meters), maximum cable length for module IC694MDL654.

For modules IC694MDL654 and MDL655, the maximum number of inputs per group that can be on at the same time depends on the ambient

temperature as shown below. There is no thermal derating for module IC694MDL658.


Field to Backplane

(optical) and to frame ground



Group to Group


250 VAC continuous; 1500 VAC for one minute

For modules IC694MDL654 and IC694MDL655, if the 5V OUT / 24V OUT pin is used to connect to input devices in the field, the isolation is

50 VAC continuous; 500 VAC for one minute.

50 VAC continuous; 500 VAC for one minute

Internal Power Consumption

For MDL655, MDL658: 195mA (maximum) from +5V bus on backplane; (29mA + 0.5mA/point ON + 4.7mA/LED ON)

For MDL654: 440mA (maximum) from +5V bus on backplane (if module isolated +5V supply used to power inputs and all 32 inputs ON)

For MDL654: 96mA (typical) from user input supply @ 5VDC and 32 inputs ON);  272mA (typical) from user input supply @ 12VDC and 32 inputs ON)

Isolated +5V Supply

For MDL654:  +5 volts DC +/-5%

Current limit

For MDL654:  150mA (typical)


Troubleshooting IC694MDL655

Troubleshooting information is available on IC694MDL655's website page; it also includes a datasheet user-manual and a wiring diagram.

Repair your IC694MDL655

PDF Supply can repair your IC694MDL655 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 IC694MDL655?  Answer:  The IC694MDL655 is a 32-Point, Positive/Negative Logic, 24 VDC, Input module from the GE Fanuc RX3i Series. 
  • Question:  What does IC694MDL655 provide?  Answer:  This module provides 32 discrete input points in 4 isolated groups of 8 each.
  • Question:  How can the module be wired?  Answer:  This input module can be wired for either positive or negative logic.
  • Question:  With what are the input characteristics compatible?  Answer:  The input characteristics are compatible with a wide range of input devices, such as pushbuttons, limit switches, and electronic proximity switches. 
  • Question:  By what power do field devices operate?  Answer:  Power to operate field devices can be supplied by the user.
  • Question:  32 green LEDs indicate what?  Answer:  32 green LEDs indicate the ON/OFF status of points 1 through 32. 
  • Question:  The blue bands on the label let you know what?  Answer:  They let you know that IC694MDL655 is a low-voltage module.
  • Question:  Into what slot can IC694MDL655 be installed?  Answer:  This module can be installed in any I/O slot of an RX3i system. 
  • Question:  What should I do if my IC694MDL655 is not working properly?  Answer:  Your IC694MDL655 may need repair

For more information on the IC694MDL655 32-Point, Positive/Negative Logic, 24 VDC, Input Module of the GE Fanuc RX3i Series, please see the Datasheet User-Manual.


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