Components
DFAB-1oo2D
Field termination module for dual-redundant digital outputs with 1oo2D logic
The connection module is designed for redundant systems of the GA DUPLEX-S type and can be used in safety-critical applications up to SIL3 (IEC 61508) and PL e (EN ISO 13849). It contains four forced-guided safety relays per output channel, interconnected in 1oo2D logic. Up to 8 output channels are supported per DFAB unit. Every normally-closed contact of the safety relays is read back and continuously monitored.
Technical data
- Dual-redundant design (1oo2D)
- Four forced-guided safety relays per channel
- Up to 8 output channels per module
- Continuous monitoring of the relay contacts
- Suitable up to SIL3 / PL e
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