GE IC694MDL655

Product Introduction

The IC694MDL655 is a 32-channel discrete input module for PACSystems RX3i, designed to monitor 24 VDC field devices with positive/negative logic compatibility and 4 isolated groups of 8 inputs. It converts dry contact, proximity switch, and sensor signals to digital data for PLC processing, integrating 250 VAC optical isolation, 2 ms response time, and individual channel LEDs for status monitoring. Each group has a dedicated common for flexible wiring, and it supports hot-swap for minimal downtime. It delivers high-density, reliable input acquisition for industrial automation, suitable for high-channel-count monitoring in manufacturing, energy, and infrastructure applications.

Category: GE

Description

Technical Specifications

Parameter	Details
Module Type	32-Channel Discrete Input Module (PACSystems RX3i)
Input Channels	32 channels (4 isolated groups of 8, each with separate common)
Logic Type	Positive/Negative Logic (configurable per group)
Rated Voltage	24 VDC
Input Voltage Range	0–30 VDC
On-State Voltage	11.5–30 VDC
Off-State Voltage	0–5 VDC
Input Current	7 mA per channel (24 VDC rated)
Response Time	2 ms (ON and OFF, maximum)
Isolation	Field to Backplane/Frame Ground: 250 VAC continuous, 1500 VAC for 1 minute; Group to Group: 50 VAC continuous, 500 VAC for 1 minute
Power Consumption	195 mA max from +5 VDC backplane; 224 mA typical from 24 VDC supply (all 32 inputs ON)
Operating Temperature	-20°C to 60°C (storage: -40°C to +85°C)
Humidity	5% – 95% (non-condensing)
Mounting	Single slot in RX3i chassis; detachable terminal board (AWG 14-22 wire)
Indicators	32 green LEDs (input ON/OFF), 1 green Module OK LED
Certifications	UL, CE, ATEX C1D2, Zone 2, ABS, BV, DNV, GL, KRS, LR
Weight	0.3 kg

Function Features

32 High-Density Input Channels: 4 isolated groups of 8 channels for high-channel-count monitoring with group-level isolation.
Dual Logic Compatibility: Positive/Negative Logic per group to match diverse field device wiring standards.
Fast Response Time: 2 ms ON/OFF response captures rapid state changes in high-speed machinery.
Optical Isolation: 250 VAC continuous isolation blocks noise and ground loops for reliable operation in harsh environments.
Grouped Common Wiring: 4 dedicated commons simplify wiring and fault isolation between channel groups.
Individual Channel LEDs: Green indicators for each input enable instant visual status checks and troubleshooting.
Hot-Swap Capability: Replace modules without chassis power-down to minimize operational downtime.
Wide Voltage Tolerance: 0–30 VDC range accommodates industrial voltage fluctuations.
High Current Capacity: 7 mA per channel supports standard 24 VDC sensors and switches.
Multi-Group Isolation: 50 VAC group-to-group isolation prevents cross-group interference and enhances system safety.

Application Scenarios

Manufacturing Automation: Monitors limit switches, pushbuttons, and proximity sensors in automotive assembly, packaging, and semiconductor lines, using 32 channels for high-density machine status tracking.
Process Control: Captures valve positions, pump run signals, and safety interlocks in oil/gas, chemical, and water treatment plants, leveraging isolation to resist industrial noise.
Power Generation: Monitors circuit breakers, transformer taps, and motor starters in utilities, with 2 ms response for real-time grid protection and control.
Building & Infrastructure: Integrates access control, fire alarms, and HVAC status in smart buildings, using grouped commons for segmented wiring and simplified maintenance.
Marine & Offshore: Supports shipboard monitoring (tank levels, door interlocks) with Zone 2/ATEX C1D2 approvals and vibration-resistant design.
Material Handling: Tracks conveyor sensors, pallet detectors, and elevator interlocks in warehouses and logistics hubs, using dual logic to interface with mixed equipment types.

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