Description
Product Model: IC694MDL940A
Product Brand: GE (General Electric)
Product Series: PACSystems RX3i
Product Features:
• 16 relay-based discrete output channels
• Designed for PACSystems RX3i modular PLC platforms
• Flexible voltage switching capability
• Rugged industrial construction for long service life
Technical Specifications
| Specification | Details |
|---|---|
| Model | IC694MDL940A |
| Series | PACSystems RX3i |
| Output Type | Electromechanical Relay |
| Number of Outputs | 16 |
| Contact Configuration | Normally Open |
| Voltage Rating | Supports AC and DC loads (per specification) |
| Current Rating | According to manufacturer limits |
| Isolation | Backplane-to-field isolation via relay contacts |
| Indicators | Individual LED per output |
| Mounting | RX3i baseplate slot |
| Operating Temperature | Industrial-rated range |
| Typical Applications | Motors, solenoids, alarms, contactors |
- IC694MDL940A
Product Role & System Fit
The IC694MDL940A is a 16-point relay output module engineered for the GE PACSystems RX3i automation platform. In a typical control cabinet, it serves as the bridge between the PLC’s logic decisions and real-world field devices such as contactors, solenoids, indicator lamps, and small motors. While processors and communication modules handle computation and networking, it is modules like the IC694MDL940A that physically switch loads on and off.
Installed directly into an RX3i baseplate, the module communicates with the system CPU across the backplane. This architecture ensures deterministic control—outputs respond according to programmed logic without network latency concerns. Because it is part of the PACSystems family, the IC694MDL940A integrates seamlessly with other RX3i I/O modules, power supplies, and controllers.
One of the defining characteristics of this module is its use of electromechanical relays rather than transistor outputs. That distinction matters in applications where load types vary or where electrical isolation is essential. Relay contacts provide flexibility in switching both AC and DC loads within rated limits, making the IC694MDL940A a practical choice in mixed-voltage environments.
From a system design perspective, engineers often select this module when field devices require higher current capacity or when isolation between PLC electronics and external circuits is critical. In legacy system upgrades—particularly those migrating from older GE Series 90-30 hardware—the IC694MDL940A provides continuity within the RX3i ecosystem.
Scalability is straightforward. Multiple output modules can be added to the rack as control requirements expand. Whether the project involves a compact machine control panel or a distributed plant automation system, the IC694MDL940A fits naturally into modular architectures.





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