The Yokogawa SR1B-045N-1KC is a digital output module designed for the STARDOM FCN (Field Control Node) platform. This module provides isolated outputs for driving field actuators, solenoids, and annunciators in process automation applications . It employs robust switching technology for reliable on/off control in demanding industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Digital Output Module for STARDOM FCN |
| Number of Outputs | 8 channels (isolated) |
| Output Type | Relay contact output |
| Contact Rating | 0.5 A / 125 V AC or 2 A / 30 V DC |
| Contact Configuration | Form C (SPDT: NO, NC, COM) |
| Maximum Switching Power | 62.5 VA / 60 W |
| Mechanical Life | > 20,000,000 operations |
| Electrical Life | > 100,000 operations (rated load) |
| Response Time | < 10 ms |
| Isolation | 1500 V AC (field-to-logic) |
| Power Consumption | 1.5 W typical |
| Dimensions (W x H x D) | 32 mm x 178 mm x 142 mm |
| Weight | Approx. 0.5 kg |
| Operating Temperature | 0°C to 55°C |
| Protection Rating | IP20 |
Output Configuration and Specifications
The Yokogawa SR1B-045N-1KC offers eight relay outputs with Form C (SPDT) contact configuration . Each output provides a normally-open and a normally-closed contact, giving users flexible connection options . The module handles both AC and DC loads, supporting a wide range of field devices. Additionally, the relay design provides excellent isolation between field wiring and the controller logic .
Diagnostic and Monitoring Features
This output module incorporates diagnostic features to monitor output status and field wiring integrity. It detects open-circuit and short-circuit conditions, allowing quick identification of wiring faults . The module reports diagnostics back to the CPU, enabling proactive maintenance. LED indicators on the front panel show the status of each output channel, simplifying troubleshooting . Furthermore, the high switching capacity of the relay outputs makes it suitable for direct actuator control .
System Integration and Applications
The Yokogawa SR1B-045N-1KC integrates seamlessly into the STARDOM FCN system as a standard I/O module . It communicates with the central processing module via the internal I/O bus . Users can replace the module during operation without powering down the system . Typical applications include valve control, motor starter control, and alarm annunciation in power generation, chemical processing, and water treatment plants . Its compact design and high reliability make it ideal for distributed field control .
Details
| Weight | 3.6 kg |
|---|---|
| Dimensions | 190 × 108 × 135 mm |
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