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DA 480-R User manual v.1
4
Amplifier configurations
4.1 Fault signal - FAULT
There is a connector on the amplifier back for the amplified channels fault signal, both with
relay contact and TTL logic output.
If the amplifier is part of a safety or alarm system, the DA480-R allows setting the relay
contacts with reverse logic where contact is normally closed during regular operations and will
be open in case of fault.
To enable this operating mode remove the cover and set the jumpers as hereinafter.
IMPORTANT:
This function could be enabled only for the fault signal relay, not for TTL outputs.
Page 15
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