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Product Introduction
The Yokogawa ADM51C-2 is a Contact Output Module that plays a critical role in industrial control systems, specifically within the CENTUM CS 3000 and CENTUM VP distributed control systems (DCS) architecture. As part of Yokogawa’s comprehensive and highly reliable automation portfolio, the ADM51C-2 is engineered for stable contact signal output with high operational dependability, suitable for demanding process industries such as oil & gas, petrochemical, power generation, and more.
This module provides contact output signals to interface with external devices like relays, solenoids, and alarms, offering reliable open/close contact control. The ADM51C-2 is known for its long operational life, ease of integration, and fault tolerance.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | ADM51C-2 |
| Series | CENTUM CS 3000 / CENTUM VP |
| Function | Contact Output Module |
| Output Type | Dry contact (Relay contact output) |
| Number of Output Points | 16 |
| Output Contact Type | Form A (normally open) |
| Rated Load | 24 VDC / 0.5 A (resistive), 125 VAC / 0.3 A |
| Dielectric Strength | Between contact and ground: 1500 V AC for 1 minute |
| Isolation | Photo-coupler isolation between control logic and field |
| Status Indication | LED indication for each contact output channel |
| Mounting Type | Mounted on baseplate |
| Operating Temperature | 0 to 50°C |
| Storage Temperature | -20 to 70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Power Supply Voltage | Supplied via I/O backplane |
| Module Dimensions | 120 x 30 x 40 mm |
| Weight | 0.14 kg |
| Certifications | CE, CSA, TÜV, ATEX (depending on configuration) |
| Compliance | RoHS, WEEE |
Product Applications
The Yokogawa ADM51C-2 is utilized across various critical industries where robust digital output capabilities are required:
-
Distributed Control Systems (DCS)
Serves as an output module in the CENTUM series to control actuators, relays, and signal interfaces. -
Power Plants
Used for the control of power relays, circuit breakers, and auxiliary contactors in generation stations. -
Petrochemical and Refining Facilities
Drives process alarms, solenoid valves, and safety interlocks under hazardous conditions. -
Water and Wastewater Treatment
Manages remote pump control and alert systems via dry contact signals. -
Factory Automation Systems
Supports actuation of mechanical outputs in discrete and hybrid process operations.
Product Advantages
-
High Contact Reliability
Gold-clad relay contacts ensure low resistance and reliable switching across millions of operations. -
Modular Integration
Easily fits into existing Yokogawa DCS racks with minimal wiring and configuration. -
Clear Diagnostic Indicators
LED indicators allow technicians to quickly verify output status and troubleshoot failures. -
Electrically Isolated Outputs
Each output point is isolated to prevent cross-talk and system-wide faults. -
Compact and Lightweight Design
Saves space within control cabinets while offering 16 output channels. -
Certified for Safety and Compliance
Suitable for hazardous environments with certifications like ATEX and TÜV available. -
Long Service Life
Built with industrial-grade components for 24/7 operation over extended periods.
Frequently Asked Questions (FAQ)
-
What type of outputs does the ADM51C-2 provide?
The ADM51C-2 provides 16 dry contact (relay-based) Form A outputs, suitable for interfacing with relays, alarms, and solenoids. -
Is this module hot-swappable?
No, the ADM51C-2 is not designed for hot-swapping. Always power down the system before removing or inserting the module. -
Does the module support diagnostics?
Yes, LED indicators for each channel provide real-time contact status and aid in diagnostics. -
What control systems is it compatible with?
It is compatible with Yokogawa’s CENTUM CS 3000 and CENTUM VP control systems. -
How many contact outputs does it have?
The module features 16 individual contact outputs. -
Is isolation provided between channels?
Yes, the module offers photo-coupler isolation between the field and logic circuits for safety and noise immunity. -
Can this module be used in hazardous environments?
Yes, depending on the system configuration and installation method, the ADM51C-2 can be certified for use in hazardous zones. -
What is the power source for this module?
It draws power through the system backplane, so no external power supply is required for operation. -
How is the module mounted?
It is mounted on a baseplate or I/O card rack as part of the Yokogawa DCS system. -
What happens if a contact fails?
The system diagnostics will highlight the failure through LED status and centralized monitoring software, allowing for prompt replacement.
Recommended Related Models (Same Series or Similar Functionality)
| Model | Description |
|---|---|
| ADM52C | Contact output module, 32 points, Form A |
| ADM11C | Contact input module, 16 points |
| ADV151-P00 | Analog output module, 4–20mA, 8 channels |
| ADM12C | Contact input module, Form B, 16 points |
| ADV551-P00 | High-speed analog input module, 16-bit, 8 channels |
| AAR181-S00 | Remote I/O unit for contact modules |
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