Operation Of Relay Outputs - VDH Products ALFANET PC-INTERFACE 2 Series Hardware User Manual

User manual
Alfanet PC-interface 2e gen.
4

Operation of relay outputs

The PC-Interface has two relays. All contacts are available from both relays at screw terminals.
Relay 1
Relay 2
The function from this relay can be adjusted with parameter P30.
A control alarm means that the relay will be energized when an alarm occurs.
A fail save alarm means that the relay is energized in normal operation an when
an alarm occurs it will be not energized if one of the connected panels on the
network has sent an alarm message.
Pulse means that the relay will be energized for 3 seconds if there is an alarm.
The function from this relay can be adjusted with parameter P31.
If the relay will be used as Log-buffer-full relay, the relay will be energized as one
of the connected panels on the network has sent an buffer-full message. It also will
be deactivate if the memory from the interface is full for 90%.
The function "external alarm" is for future purposes and is not active in this
moment.
Document nr. : 021865
Client : General
Version : V2.1
Page : 8 of 12