PLCs, Power Supplies & Others

Technical Overview of the ABB 216AB61 Output Module

The ABB 216AB61 provides eight isolated digital output channels. This unit supports a nominal output voltage of 24 V DC. Each channel delivers up to 0.5 A of continuous current. You can use this module for direct actuator or relay control. The module ensures fast switching for demanding industrial automation tasks.

Mechanical Specifications and Physical Design

This digital output unit has a compact plastic housing. Its dimensions are 120 mm in height and 75 mm in width. The total depth measures 85 mm without connectors. Engineers designed the module for easy DIN rail mounting. It weighs approximately 250 grams for simple handling. The front panel includes 16 spring-type terminals for secure wiring. These terminals accept wires from 0.2 to 2.5 mm².

Power Management and Internal Layout

The ABB 216AB61 does not contain internal energy storage capacitors. Instead, it draws power directly from the backplane bus. The module requires a 5 V DC logic supply at 80 mA. It also needs an external 24 V DC field supply at 50 mA. This design prevents residual voltage after power-off. Eight optical isolators separate the logic from the output stages. This isolation protects the control system from field transients.

Technical Specifications at a Glance

Compatibility and Installation Notes

This module integrates seamlessly with ABB’s S800 I/O family. Consequently, you can pair it with a BC810 or CI801 communication interface. Always connect the external 24 V DC supply first. Then, verify that each output load does not exceed 0.5 A. The module operates reliably from -40°C to +70°C.

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