Core Functionality and Design
The IC694MDL655 is a high-density discrete input module for the PACSystem RX3i. This Emerson Automation (formerly GE) unit provides thirty-two 24VDC input channels in a compact, single-slot design. Its channels are organized into four isolated groups for flexible wiring configurations. Consequently, this module offers efficient signal acquisition for extensive I/O applications.
Detailed Technical Specifications
The IC694MDL655 delivers precise performance within defined electrical parameters. The following table summarizes its critical operational and physical specifications.
| Specification Category | Detail |
|---|---|
| Manufacturer & Series | Emerson Automation (formerly GE), PACSystem RX3i |
| Part Number | IC694MDL655 |
| Module Type | 32-Channel 24VDC Discrete Input |
| Input Channels | 32 total, arranged in 4 groups of 8 |
| Wiring Logic | Configurable for Positive or Negative Logic |
| Input Voltage Range | 0 to 30 Volts DC |
| Nominal/Rated Voltage | 24 VDC |
| Input Current per Point | 7.0 mA at rated voltage |
| On-State Voltage | 11.5 to 30.0 VDC |
| Maximum Response Time | 2 ms (ON and OFF) |
| Backplane Power Draw | 195 mA max from +5V; 224 mA typical from +24V |
| Isolation | 250 V AC (Field to System) |
| Maximum Cable Length | 30 meters |
| Module Weight | 0.56 lbs (0.26 kg) |
Integration and Performance Notes
Engineers can integrate the IC694MDL655 as local or distributed I/O within an RX3i system. Its fast 2 ms response time ensures rapid signal processing for control logic. Moreover, the grouped channel design enhances noise immunity and simplifies troubleshooting. This module reliably interfaces with sensors, switches, and other digital field devices.
Details
| Weight | 0.79 kg |
|---|---|
| Dimensions | 150 × 120 × 170 mm |
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