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SKU: GE Fanuc IC697MDL940

IC697MDL940 GE Fanuc PLC 8 Form A and 8 Form C Relay Module

The IC697MDL940 is a 16-channel relay output module for GE Fanuc Series 90-70 PLCs. It provides isolated switching for AC and DC loads with a mix of Form A and Form C contacts and built-in fuse protection.

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Product Overview

The GE Fanuc IC697MDL940 functions as a high-capacity switching interface for the Series 90-70 PLC system, providing 16 discrete relay outputs to drive field actuators. This module features a hybrid contact configuration, offering eight Form C (normally open/normally closed) and eight Form A (normally open) contacts to accommodate diverse circuit requirements. Because it supports both AC and DC load switching across a wide voltage spectrum—including 120/240 VAC and up to 150 VDC—engineers frequently deploy this module in motor control centers, water treatment facilities, and power distribution substations. The robust mechanical design ensures deterministic operation and significant electrical isolation between the sensitive PLC backplane and high-voltage field wiring.

Contact Architecture and Circuit Protection

The hardware architecture of the IC697MDL940 centers on silver-alloy contacts designed for low resistance and high durability, supporting up to 20 million mechanical operations. To safeguard the module against transient spikes during the switching of inductive loads, each channel incorporates an RC snubber circuit. Furthermore, individual 3-amp fuses protect every output against overcurrent conditions, significantly reducing the risk of module-wide failure. The module provides 1500 VDC isolation, effectively preventing electrical noise and ground loops from disrupting the central processor. Consequently, this module maintains high signal integrity even when managing high-surge loads such as solenoids and heavy-duty contactors.

Technical Performance and Loading

  • The module manages AC loads up to 480 VA and DC loads up to 60 watts, with a 2.0 A maximum current rating for standard 24 VDC or 240 VAC applications.
  • Specialized high-voltage DC switching is available on Form A contacts, allowing for 0.2 A operation at up to 150 VDC.
  • A maximum response time of 10 milliseconds ensures rapid execution of control logic commands for time-critical automation processes.
  • The internal logic draws power directly from the PLC backplane, while the relay coils are energized via external field power to minimize backplane thermal loading.
  • Software configuration through the Logicmaster 90 or CIMPLICITY environment eliminates the need for physical jumpers during setup.

Technical Specifications

  • Manufacturer: GE Fanuc (Emerson)
  • Model Number: IC697MDL940
  • Series: Series 90-70
  • Output Type: Relay (8 Form A, 8 Form C)
  • Channel Count: 16 Points
  • Voltage Range: 5-265 VAC / 5-150 VDC
  • Maximum Load Current: 2.0 A per point (AC/DC)
  • Isolation Voltage: 1500 VDC
  • Switching Frequency: 20 cycles per minute (Inductive)
  • Weight: 0.66 kg
  • Dimensions: 4 cm x 22 cm x 29.1 cm
  • Origin: USA
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Hardware Specifications

ParameterSpecification
ModelIC697CGR935
BrandGE
OriginUSA
Weight0.75 kg
Dimensions4.0 cm x 21.8 cm x 29.1 cm
Operating Temp0 deg C to 60 deg C
Power Consumption3.1 A
Processor96 MHz 80486DX4
Memory1 MB
Execution Speed0.4 microseconds (Boolean)

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  • Ensure the rack slot is free of debris before inserting the module to guarantee proper contact with the backplane connector.
  • The module must be seated flush against the rack frame and secured using the provided mounting hardware to ensure electromagnetic compatibility and grounding.
  • Shielded serial cables connected to the RS232 or RS485 interfaces should be grounded at the controller end to mitigate noise interference in high-EMI environments.
  • Upon initial power-up, verify that the 3-position switch is set to the correct mode (Run/Stop) and that status LEDs indicate valid processor health before establishing field I/O connectivity.
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