Product Details
The YOKOGAWA ADM52C-2 S3, also cataloged as the ADM52C-2 Contact Output Module, operates as a dedicated hardware component for 32-channel discrete switching execution within YOKOGAWA CENTUM VP DCS networks. It delivers direct ON/OFF control signal interfacing to actuators, valves, solenoids, and interlock relays.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ADM52C-2 S3 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Operating Temp | -10 to 60 deg C |
| Storage Temp | -20 to 70 deg C |
| Humidity Range | 5 to 95% RH (non-condensing) |
| Power Supply | 24 VDC (nominal) |
| Power Consumption | 5 W (typical) |
| Output Channels | 32 channels |
| Output Type | Relay contact |
| Rated Load Voltage | 250 VAC |
| Rated Load Current | 2 A |
| Input Current | 6 mA per channel (typical) |
| Response Time | Less than 1 ms |
| Isolation | Optical isolation between channels and system |
Optical Isolation and Relay Contact Switching Infrastructure
The ADM52C-2 S3 utilizes optical isolation barriers between internal backplane processing circuits and external field terminals to eliminate common-mode voltage noise and ground loop currents. Designed to operate alongside 4-20 mA HART loop protocol transmitters and analog sub-assemblies within CENTUM DCS nodes, each of the 32 discrete relay output contacts executes switching operations at sub-millisecond speeds (less than 1 ms) under a 24 VDC nominal internal driving current of 6 mA per channel.
Frequently Asked Questions
Q: What is the maximum electrical load capacity of the relay outputs on the ADM52C-2 S3?
A: Each output channel supports a maximum rated load voltage of 250 VAC with a maximum continuous load current of 2 A.
Q: How does the module prevent field-side voltage transients from reaching the backplane?
A: The module incorporates optical isolation barriers between field contact terminals and internal system logic to suppress high-voltage transients.
Q: What is the discrete output command response time of the ADM52C-2 S3?
A: Contact state transitions occur within less than 1 ms from the arrival of the switching command across the backplane bus.
Field Installation Guidelines
De-energize backplane power and external field loads before inserting or removing the ADM52C-2 S3 module. Maintain electrostatic discharge (ESD) precautions by wearing a grounded wrist strap throughout module handling. Align the module card with rack guide rails and slide into the designated slot until backplane connectors seat completely, then tighten top and bottom retaining screws to establish chassis ground continuity. Route high-voltage AC load wiring separately from 24 VDC control and analog signal cables, ensuring field cable shields are grounded at a single earth point within the control cabinet.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
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- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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