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The IC694MDL240 (Revision IC694MDL240A) is a high-density alternating current (AC) input module engineered for the PACSystems RX3i controller platform. This module features 16 discrete input points designed to interface with field devices such as limit switches, pushbuttons, and electronic proximity sensors operating at a nominal 120 VAC. The module faceplate is color-coded with a red band to signify its high-voltage classification within the I/O chassis, ensuring operational safety.
| Specification | Details |
|---|---|
| Module Type | Discrete AC Input |
| Input Voltage | 120 VAC (Nominal) |
| Input Points | 16 (Single group) |
| Circuitry | Reactive (Resistor/Capacitor) design for noise suppression |
| Status Indication | 16 Green LEDs (One per point) |
| Power Consumption | 90mA from 5V bus; 12mA from 3.3V bus |
| Isolation | Field to Logic and Frame Ground |
| Dimensions | 3.8 cm x 14.0 cm x 14.0 cm |
| Weight | 0.23 kg |
| Compatibility | Any I/O slot in RX3i Universal Backplane |
Engineered for industrial resilience, the IC694MDL240 utilizes reactive input circuits to minimize heat dissipation while maintaining signal integrity. The module requires an external AC power source to excite the field devices. For diagnostic efficiency, the logic-side LEDs provide immediate visual verification of input states. It is fully "hot-swappable" in supported RX3i configurations, allowing for maintenance without requiring an entire system power-down.
No, the IC694MDL240 is rated strictly for 120 VAC nominal ranges. For 240 VAC applications, a compatible higher-voltage module must be selected to avoid hardware damage.
Yes, the IC694MDL240 is an AC input module, whereas the MDL640 is designed for 24 VDC sinking/sourcing inputs. They are not interchangeable in terms of field wiring.