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IC694MDL753A GE RX3i DC Input Module

Product Model: IC694MDL753A
Product Brand: GE (General Electric / GE Fanuc / Emerson Automation)
Product Series: PACSystems RX3i

Product Features:

  • 32-point 24 VDC discrete input module for PACSystems RX3i PLCs
  • Optical isolation between field and logic circuits for enhanced protection
  • Fast input response and low power consumption
  • Front-panel LED indicators for clear signal diagnostics
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Description

Product Model: IC694MDL753A
Product Brand: GE (General Electric / GE Fanuc / Emerson Automation)
Product Series: PACSystems RX3i

Product Features:

  • 32-point 24 VDC discrete input module for PACSystems RX3i PLCs
  • Optical isolation between field and logic circuits for enhanced protection
  • Fast input response and low power consumption
  • Front-panel LED indicators for clear signal diagnostics
Specification Description
Model IC694MDL753A
Brand GE (General Electric / GE Fanuc / Emerson Automation)
Series PACSystems RX3i
Type 24VDC Discrete Input Module
Number of Inputs 32 points
Input Type Sourcing (active high)
Input Voltage Range 0–30 VDC nominal, 24 VDC typical
Input Current 7 mA per point at 24 VDC
Isolation 1500 VDC field-to-logic optical isolation
Input Groups 4 isolated groups of 8 inputs each
Input Delay (on/off) < 1 ms typical
Indicators 32 individual channel LEDs
Backplane Power Consumption 150 mA @ 5 VDC
Operating Temperature 0 °C to 60 °C (32 °F to 140 °F)
Storage Temperature -40 °C to 85 °C
Dimensions (H x W x D) 132 x 33 x 102 mm
Mounting RX3i baseplate slot
IC695CPU320-CF
IC694MDL753A
IC695CPU320-CF
IC694MDL753A

Product Role & System Fit

The GE IC694MDL753A is a 32-point discrete input module designed for 24 VDC sourcing signals. In simple terms, it allows the RX3i controller to sense the ON/OFF status of field devices. Each input point corresponds to a unique address in the PLC’s memory map, updating every scan cycle to reflect real-world conditions.

It installs directly into the RX3i baseplate, communicating with the CPU via the high-speed PCI backplane bus. Four isolated input groups provide flexible wiring and allow multiple voltage domains or ground references within one module. This makes it ideal for systems that combine different machine sections with independent power supplies.

Front-panel LEDs display the real-time status of each channel — a hallmark feature that helps technicians diagnose wiring or sensor issues quickly. The module also draws minimal current from the backplane, conserving rack power capacity for communication processors or analog modules.

Because the RX3i platform supports Proficy Machine Edition configuration software, engineers can easily assign symbolic tags, monitor point states, and test individual channels in live mode. The IC694MDL753A appears as a standard discrete input block in the programming environment, requiring no special firmware or add-on instructions.