Excellent PLC
| Company Information | ||||||||
| sales@xmjzjsgs.com | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa ADM51-2 S4 is a high-performance contact output module designed for use in Yokogawa’s CENTUM CS 3000 and CENTUM VP Distributed Control Systems (DCS). This module provides mechanical contact relay outputs for applications requiring electrical isolation and robust switching capabilities. With its 16 output channels, the ADM51-2 S4 is widely adopted in process automation environments that demand high reliability, durability, and precision in control operations.
Engineered for industrial-grade applications, the ADM51-2 S4 is capable of handling various electrical loads through its dry contact relays, making it ideal for interfacing with field devices like solenoid valves, contactors, alarm indicators, and other actuators.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | ADM51-2 S4 |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Contact Output Module |
| Output Type | Dry Contact (Relay output) |
| Number of Output Channels | 16 |
| Contact Type | Form A (Normally Open) |
| Contact Rating | 2 A @ 250 VAC / 30 VDC |
| Minimum Load | 1 mA at 5 VDC |
| Insulation Resistance | ≥100 MΩ (500 VDC) |
| Dielectric Strength | 1500 V AC for 1 minute |
| Isolation | Channel-to-channel and channel-to-ground isolation |
| Power Supply | Supplied via baseplate (typically 5 VDC logic) |
| Mounting | Installed in I/O baseplate slots |
| LED Indicators | Yes (individual per channel) |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Certifications | CE, UL, CSA, RoHS compliant |
| Dimensions (W x H x D) | 120 x 100 x 60 mm |
| Weight | 0.3 kg |
Applications
The ADM51-2 S4 is tailored for mission-critical output control functions across various industries. Typical applications include:
-
Oil and Gas Facilities
Controlling solenoid valves, alarms, and emergency shutdown relays. -
Chemical and Petrochemical Plants
Activation of interlocks, motor control circuits, and process signaling. -
Water and Wastewater Treatment
Management of pump starters, blowers, and process actuators. -
Power Generation
Relay-based signaling to breaker controls, annunciators, and turbine systems. -
Manufacturing Plants
Output to stack lights, buzzers, conveyor systems, and pneumatic actuators. -
Pharmaceutical Industry
Switching cleanroom systems, environmental controls, and alarm circuits.
Product Advantages
-
High Output Density
Offers 16 output channels in a single, compact module, optimizing panel space. -
True Electrical Isolation
Each output is electrically isolated to protect the system from cross-faults and surges. -
Mechanical Relay Contacts
Ideal for applications requiring physical disconnection of circuits. -
Flexible Load Compatibility
Suitable for both AC and DC load switching, with good durability for inductive and resistive loads. -
Built-in Status LEDs
Visual indicators per channel provide quick feedback and aid in diagnostics. -
Reliable in Harsh Conditions
Designed to perform in demanding environments typical in industrial facilities. -
Seamless Integration
Fully compatible with Yokogawa’s CENTUM series DCS platforms. -
Proven Field Experience
Widely used globally across diverse industries, ensuring high trust and availability of support.
Frequently Asked Questions (FAQ)
-
What is the function of the ADM51-2 S4?
It provides dry contact relay outputs for controlling external devices in process control systems. -
How many output channels does it support?
The module offers 16 output channels. -
Are the outputs relay-based?
Yes, it uses mechanical form A (normally open) relay contacts. -
What kind of loads can it switch?
It can switch both AC and DC loads, including solenoids, lamps, and small motors. -
Is there electrical isolation between channels?
Yes, each channel is fully isolated from others and from ground. -
Can I monitor output status on the module?
Yes, each channel has a dedicated LED to indicate ON/OFF state. -
What is the contact capacity of each channel?
Each channel can handle up to 2 A at 250 VAC or 30 VDC. -
Can it be hot-swapped?
No, power should be turned off during installation or removal to avoid damage. -
Which control systems is it compatible with?
It is fully compatible with Yokogawa CENTUM CS 3000 and VP systems. -
Is this module suitable for safety systems?
While it is reliable, for certified safety functions, dedicated safety modules are recommended.
Related Models (Same Series or Functionality)
| Model | Description | Type | Channels | Key Feature |
|---|---|---|---|---|
| ADM51-S2 | Contact output module (standard version) | Digital Output | 16 | Relay output with isolation |
| ADM12-S4 | Contact output module | Digital Output | 12 | High-reliability relay contacts |
| ADM11-S4 | Compact contact output module | Digital Output | 8 | Space-saving design |
| ADM61-S4 | Mixed I/O contact input/output module | Mixed I/O | 6 in / 6 out | Combined input/output functionality |
| ADV151-P03 | Transistor output module | Digital Output | 32 | High-speed switching |
| ADV551-P00 | Digital transistor output module | Digital Output | 32 | Logic output for low-power devices |
Popular Yokogawa Models (High Demand Across Industries)
| Model | Description | Category | Key Feature |
|---|---|---|---|
| AAI543-H00 | Analog input module with HART | Analog Input | 16-channel, HART-enabled |
| AAR145-S00 | Analog output module | Analog Output | 8-channel, high-resolution output |
| CPU50S | Central controller CPU for DCS | Controller CPU | Fast scan, multi-tasking support |
| FIO100 | Field I/O base module | Remote I/O | Modular, suitable for N-IO architecture |
| PW482-10 | Power supply module | Power Supply | Designed for redundancy |
| SAI143-H50 | Isolated analog input card | Analog Input | Wide range signal type compatibility |
