Product Introduction
The Yokogawa ADM51T is a Contact Output Module developed as part of the CENTUM CS 3000 / CENTUM VP series of process control systems. It provides high-reliability relay contact outputs, serving as an interface between the control system and field devices such as solenoids, annunciators, interlocks, and alarms.
The ADM51T is designed to handle critical switching tasks in environments where consistent and electrically isolated contact outputs are required. Known for its durable design, fast response, and built-in indicators for channel status, the ADM51T supports robust operation in industrial plants including power generation, oil & gas, chemical, and utility networks.
With features such as 16-channel Form A contact outputs and compatibility with existing Yokogawa baseplates, the ADM51T ensures a seamless integration with field control stations.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | ADM51T |
| Manufacturer | Yokogawa Electric Corporation |
| Series | CENTUM CS 3000 / CENTUM VP |
| Function | Digital contact output module |
| Number of Output Channels | 16 |
| Contact Type | Form A (Normally Open, Relay Contact Output) |
| Contact Load Rating | 24 VDC / 0.5 A (resistive), 125 VAC / 0.3 A (resistive) |
| Dielectric Strength | 1500 VAC (between contact and ground, 1 minute) |
| Channel Isolation | Yes, each output channel is photo-coupler isolated |
| Output Indication | Individual channel LED indicators |
| Mounting Method | Installed onto the I/O baseplate of Field Control Station |
| Power Supply | Supplied through I/O backplane |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Operating Humidity | 5% to 95% RH (non-condensing) |
| Certifications | CE, ATEX (with system), RoHS compliant |
| Dimensions (H × W × D) | 125 x 130 x 248 mm |
| Weight | 2 kg |
| Service Life | Designed for long-term industrial operation (typically >10 years in service) |
| Installation Position | Horizontal installation in control cabinets |
| Maintenance | Front-accessible, tool-free removal for hot-standby systems |
Product Applications
The ADM51T is engineered to serve a wide range of industrial automation applications that require reliable and safe contact outputs from a centralized control system:
-
Distributed Control Systems (DCS):
Provides control signals to activate or deactivate external actuators like solenoids, motor contactors, and alarms. -
Power Generation Plants:
Used for trip relay control, switchgear signaling, breaker interlocking, and annunciation systems. -
Petrochemical and Refinery Systems:
Ensures safe output triggering of safety interlocks, emergency shutdown valves, and field notification systems. -
Manufacturing Automation:
Drives electromechanical components in process and discrete automation systems with strict reliability needs. -
Water and Wastewater Treatment:
Controls pumps, gates, and remote signal equipment in SCADA-driven treatment operations. -
Building Automation Systems:
Interfaces with HVAC relays, fire alarm annunciators, and facility emergency systems.
Product Advantages
-
High Channel Density:
Provides 16 independently isolated contact outputs within a single compact module, optimizing cabinet space. -
Electrical Isolation:
Built-in photo-coupler isolation ensures channel independence and system safety from electrical surges or faults. -
LED Status Indicators:
Enables real-time visual monitoring of output status, simplifying on-site diagnostics and maintenance. -
Field-Proven Reliability:
Yokogawa’s design guarantees operational stability under 24/7 load conditions in critical plant areas. -
Flexible Integration:
Seamlessly integrates with Yokogawa’s control networks, reducing wiring complexity and configuration time. -
Long Lifecycle Support:
Backed by Yokogawa’s long-term availability and maintenance strategy, minimizing lifecycle cost. -
Comprehensive Certifications:
Meets global standards for hazardous environments and process safety assurance.
Frequently Asked Questions (FAQ)
-
What type of outputs does the ADM51T provide?
It provides 16 relay-based Form A (normally open) contact outputs for digital switching tasks. -
Is the ADM51T hot-swappable?
While it supports tool-free front access, hot-swapping is generally not recommended without redundancy. -
What is the maximum current load per channel?
Each channel supports up to 0.5 A at 24 VDC or 0.3 A at 125 VAC resistive load. -
Can the ADM51T be used in safety instrumented systems (SIS)?
It may be used in SIS applications depending on system design and safety certification compliance. -
How are the outputs isolated?
Outputs are isolated using photo-couplers to prevent channel interference and ground faults. -
What control systems is the ADM51T compatible with?
It is fully compatible with CENTUM CS 3000 and CENTUM VP systems. -
Does the module have diagnostic features?
Yes, each channel features an LED for output status, and diagnostics can be accessed via the control system. -
What is the expected service life of the module?
Under standard industrial operating conditions, the module is designed for over 10 years of service. -
What type of mounting is required?
It mounts horizontally on an I/O baseplate within Yokogawa’s Field Control Station. -
Is this module RoHS compliant?
Yes, it meets environmental standards such as RoHS for hazardous material restriction.
Recommended Related Models (Same Series or Similar Function)
| Model | Description |
|---|---|
| ADM52T | Contact Output Module, 32 channels, higher-density |
| ADM11C | Contact Input Module, 16 points |
| ADM12C | Contact Input Module, Form B, 16 points |
| ADV151-P00 | Analog Output Module, 8 channels, 4–20 mA |
| ADV551-P00 | Analog Input Module, 16-bit, 8 channels |
| AAR181-S00 | Remote I/O Unit for digital and analog module expansion |
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| Model | Description |
|---|---|
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