Emerson 1C31238H01 Ovation Compact Digital Input Module
Manufacturer: Emerson
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Part Number: 1C31238H01
Condition：New with Original Package
Product Type: Digital I/O Cards
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson 1C31238H01 Ovation Series Compact Digital Input Module
Configured for discrete signal acquisition in Ovation distributed control systems, the Emerson 1C31238H01 (1C31238H01 Compact Digital Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1C31238H01 |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.04 lbs |
| Dimensions | 300 mm x 200 mm x 100 mm |
| Operating Temp | -25 deg C to +60 deg C (-13 deg F to +140 deg F) |
| Power Consumption | Powered via standard 24 VDC Ovation backplane |
| Input Channels | 16 discrete digital inputs |
| Signal Type | Binary (ON/OFF) status signals |
| Input Voltage Range | Typically 24 VDC |
| Processor | 32-bit RISC processor, 100 MHz |
| Memory | 128 MB RAM, 256 MB flash memory |
| Communication Interfaces | RS-232, RS-485, Ethernet |
| Protection Rating | IP65 |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Certifications | CE, UL, RoHS compliant |
Channel-to-Channel Isolation in Discrete Monitoring
To preserve signal clarity across the 16 binary channels, this module is built with electrical channel-to-channel isolation. This isolating barrier dampens noise spikes from high-voltage field wiring and stops stray ground loops from corrupting status updates. High-speed optocouplers translate the 24 VDC binary field states to the digital backplane without establishing any direct physical copper connection.
Frequently Asked Questions
Q: Can the 1C31238H01 module be replaced without powering down the I/O rack?
A: Yes. The module supports hot-swappable replacement, allowing online removal and insertion directly into an active Ovation backplane without interrupting adjacent I/O modules.
Q: What is the primary function of the onboard 32-bit RISC processor?
A: The 100 MHz RISC processor handles input filtering, debouncing logic, and registers status transitions locally before packaging the binary state tables for backplane communication.
Q: Does the IP65 rating allow direct exposure to outdoor conditions?
A: While the module housing is built to IP65 dust-tight and water-resistant standards, proper installation within an approved, environmental-controlled enclosure is recommended to prevent exceeding the operating temperature thresholds.
Field Installation Guidelines
- Align the module along the standard rack guide rails and press firmly until the tool-less backplane connectors click securely into place.
- Route the 24 VDC discrete field cables separately from analog signals and high-power AC motor drives to minimize capacitive coupling.
- Keep the input wiring neat and confirm that all field devices, such as limit switches and pushbuttons, are terminated using correct wire sizes inside the connector block.
- Verify that the single-point system ground is bonded correctly to the control cabinet ground bar to maintain optimum electrical screening.