Digital/Analog Input Module | Emerson 5X00357G04 Ovation RS-485
Manufacturer: Emerson
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Part Number: 5X00357G04
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 5X00357G04 Ovation Series Digital/Analog Input Module
The Emerson 5X00357G04, also cataloged as the 5X00357G04 Digital/Analog Input Module, operates as a dedicated hardware component for acquiring both discrete switching states and continuous analog voltage/current signals within Ovation DCS networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 5X00357G04 |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.31 lbs |
| Dimensions | Standard Ovation DIN Rail Module Form Factor |
| Operating Temp | -40 deg C to +70 deg C (-40 deg F to +158 deg F) |
| Power Consumption | Powered via 48 VDC external supply |
| Input Types | Digital (binary switching), Analog (voltage/current) |
| Signal Ranges | Voltage: +/-10 V DC, Current: 4-20 mA DC |
| Communication Interface | RS-485 serial bus |
| Protocol Support | Modbus RTU |
| Mounting Type | DIN rail mounting |
| Status Monitoring | LED indicators for power, fault, and channel activity |
| Certifications | API 670, ISO 9001 compliant |
Channel-to-Channel Isolation and HART Loop Integrity
To secure measurement accuracy on the integrated analog channels, this module employs channel-to-channel isolation that prevents high common-mode voltage differences from affecting signal conversion. This isolating barrier maintains the loop integrity of interconnected 4-20 mA HART transmitters, ensuring that ground loop noise does not propagate through the RS-485 serial bus or distort the high-precision analog-to-digital converters.
Frequently Asked Questions
Q: How does the 5X00357G04 handle digital and analog signals on the same card?
A: The internal architecture partitions the input channels into independent processing groups. The analog-to-digital converter processes continuous +/-10 V DC or 4-20 mA DC signals, while a separate signal conditioning block monitors the binary states of discrete switches.
Q: What serial settings are required for the RS-485 Modbus RTU interface?
A: The RS-485 link relies on standard two-wire differential signaling. Configuration of baud rate, parity, and device addressing is managed through the Ovation database settings to synchronize with the Modbus RTU host controller.
Q: Does this module draw its operational power directly from the I/O backplane?
A: No. The 5X00357G04 requires a dedicated 48 VDC external power supply to energize the input channels and associated RS-485 communication transceiver circuits.
Field Installation Guidelines
- Mount the module securely to the DIN rail inside the protective cabinet, verifying that the grounding spring on the back of the housing makes direct contact with the unpainted metal rail surface.
- Wire all 4-20 mA DC loops using shielded twisted pair (STP) cabling, and connect the shield to the cabinet instrument ground point only to avoid circular ground currents.
- Route serial RS-485 communication lines away from heavy AC power wiring to minimize electromagnetic interference on the Modbus RTU network.
- Ensure a 120 ohm terminating resistor is connected across the physical end-of-line nodes of the RS-485 bus to prevent signal reflections.