8-Channel Analog Input Module | Emerson Ovation 1C31224G01
Manufacturer: Emerson
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Part Number: 1C31224G01
Condition：New with Original Package
Product Type: Analog Input Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson 1C31224G01 Ovation Series Analog Input Module
Configured for high-precision field signal digitizing in Ovation distributed control systems, the Emerson 1C31224G01 (1C31224G01 Analog Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1C31224G01 |
| Brand | Emerson |
| Origin | USA |
| Weight | Standard Ovation I/O Module Weight |
| Dimensions | Standard Ovation I/O Chassis Form Factor |
| Operating Temp | -20 deg C to +60 deg C (-4 deg F to +140 deg F) |
| Power Consumption | Powered via standard 24 VDC Ovation I/O bus |
| Input Channels | 8 analog input channels |
| Signal Type Supported | 4-20 mA current loop |
| Resolution | 16-bit analog-to-digital conversion |
| Accuracy | +/-0.1% of full scale |
| Isolation | Channel-to-channel and channel-to-ground |
| Mounting Type | Rack-mounted module |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Certifications | CE, UL, RoHS compliant |
Channel-to-Channel Isolation and HART Loop Integrity
To ensure maximum signal fidelity across its 8 channels, this module features robust channel-to-channel and channel-to-ground electrical isolation. This physical separation prevents noise coupling from neighboring field circuits and breaks ground loops that commonly occur on distributed 4-20 mA HART loop protocol installations. By keeping the measurement circuits electrically isolated, the integrated 16-bit analog-to-digital converter can resolve fine signal changes down to the rated +/-0.1% full-scale accuracy limit, even in high common-mode voltage environments.
Frequently Asked Questions
Q: Can the 1C31224G01 module be hot-swapped during active DCS operations?
A: Yes. The module features mechanical alignment guides and keying to support full online hot-swappable replacement. Maintenance personnel can insert or extract the card without interrupting power to the backplane or disrupting other active I/O cards in the same chassis.
Q: How does the module indicate channel faults or out-of-range loop currents?
A: Onboard status LEDs provide physical indication of module health and channel states. Built-in digital diagnostics continually monitor the 4-20 mA current loops, reporting open circuit, short circuit, and out-of-bounds parameters directly to the Ovation controller database.
Q: Does this module require individual external power wiring for each transmitter loop?
A: The module runs on the backplane-supplied 24 VDC, but the actual loop-power distribution depends on whether active 2-wire or passive 4-wire transmitters are connected to the marshalling terminal block.
Field Installation Guidelines
- Insert the module into its designated rack-mount slot on the Ovation I/O chassis and engage the retention latches to secure the backplane connection.
- Wire all 4-20 mA current inputs using high-quality shielded twisted-pair (STP) cabling to minimize environmental electromagnetic interference.
- Terminate the drain wire of each cable shield at the cabinet instrument ground bar, ensuring the shield remains isolated at the transmitter end to prevent circular ground currents.
- Leave sufficient space in the marshalling ductwork to allow easy extraction of the module should a hot-swap operation be necessary.