High-Density Output Control for CENTUM DCS
The ADM52T contact output module provides 32 independent digital output channels for Yokogawa CENTUM CS/VP distributed control systems . This module drives field devices such as relays, solenoids, and contactors within safety-critical and process automation environments. It features Form A (SPST) relay contacts with a maximum switching capacity of 250 V AC or 30 V DC at 2 A per channel .
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | ADM52T |
| Product Type | Contact Output Module |
| Number of Outputs | 32 points |
| Output Type | Dry contact (Form A relay) |
| Nominal Voltage | 24 V DC (12-30 V DC range) |
| Max. Switching Current | 2 A per channel (resistive load) |
| Max. Switching Voltage | 250 V AC / 30 V DC |
| Response Time | < 10 ms |
| Isolation Voltage | ≥ 500 V DC (channel-to-system) |
| Power Consumption | ≤ 5 W |
| Weight | 1.36 kg |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (W x H x D) | Approx. 27 x 130 x 100 mm |
| System Compatibility | CENTUM CS, CENTUM VP |
| Safety Certification | Supports SIL-rated ProSafe-RS systems |
Output Characteristics and Isolation
Each output channel on the ADM52T provides galvanic isolation of 500 V DC or higher, protecting the control system from field-side voltage spikes . The dry contact relay design allows mixing of different load voltages within the same module, offering flexibility for various actuator types. Furthermore, the module includes continuous channel monitoring and fault detection for enhanced diagnostic coverage .
System Integration and Installation
This module mounts directly into Yokogawa AD series I/O racks, communicating with the controller via the backplane bus . Users can install the ADM52T through a standard rack-mount procedure. The “-T” suffix indicates terminal-type connections, which utilize screw terminals for direct field wiring . This design eliminates the need for specialized cable harnesses, simplifying installation and maintenance.
Typical Applications
This output module is widely deployed in process industries requiring deterministic digital control. Typical applications include driving solenoids for valve actuation, controlling contactors for motor starters, and interfacing with alarm systems . Furthermore, the ADM52T supports safety instrumented functions within ProSafe-RS systems. It is commonly found in oil and gas refineries, chemical plants, and power generation facilities .
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
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