ABB 216GD61a Relay & Optocoupler Control Module DIN

The ABB 216GD61a Control Module delivers reliable relay outputs and optocoupler inputs for demanding industrial automation systems.
Designed for Symphony DIN platforms, this module ensures electrical isolation, stable signal conditioning, and consistent long-term operational performance.

Moreover, integrated relays simplify field device switching, while optocouplers protect sensitive control logic from voltage disturbances.
In addition, the compact SD series form factor supports efficient cabinet layouts and straightforward system expansion.
Therefore, maintenance teams benefit from quick module replacement, reduced downtime, and predictable lifecycle management strategies.

Technical Specifications

• Model Number: ABB 216GD61a relay and optocoupler interface module for Symphony DIN control systems applications

• Control Input Voltage: Operates at 24 VDC, providing stable logic performance across industrial operating conditions

• Relay Working Voltage: Approximately 110 V on the field side for dependable external device switching

• Switching Frequency: Approximately 1.23 kHz, supporting responsive control and signal handling requirements

• Operating Temperature: From -40 °C to +85 °C, suitable for harsh industrial environments

• Protection: Electrical isolation and overload protection provided through integrated optocouplers for enhanced system safety assurance

For instance, the module integrates seamlessly into power generation, petrochemical processing, and discrete manufacturing control architectures.
It supports PLC and DCS environments where isolated I/O, reliable relays, and wide temperature tolerance are required.

Moreover, ABB manufacturing expertise and Swedish origin contribute to consistent quality, traceability, and long-term field reliability.

Frequently Asked Questions

What systems are compatible with the ABB 216GD61a module in real industrial installations worldwide environments?
The module is designed for ABB Symphony DIN racks used within PLC and DCS automation systems.

How does optocoupler isolation improve control system protection and operational stability during industrial operation cycles?
Optocouplers electrically separate field voltages from logic circuits, therefore reducing noise, surges, and fault propagation.

What maintenance practices are recommended to ensure long service life for this control module continuously?
Regular inspection, proper ventilation, and strict adherence to ABB installation guidelines help maintain optimal operating performance.