Ampcontrol VAA, User Manual

Page: 29 / 81

VOICECOM USER MANUAL ISSUE 4
-27-
Relay Outputs and Digital I/O – Level 5
The three pages on this menu level show the current state of the VCA’s four relays, four digital outputs and fourteen
digital inputs. These pages are useful for fault finding.
Relay Outputs Page
1
Menu level
4
Relay 3 state
2
Relay 1 state
5
Relay 4 state
3
Relay 2 state
In
= Energised,
Out
= De-energised
Relay 1 – VCA hardware healthy. This relay should always be energised while the controller is powered. If a VCA
memory fault or Message Bank processor fault occurs, this relay will de-energise.
Relay 2 – no function
Relay 3 – Pre-start alarm LINE 1 confirmed
Relay 4 – Pre-start alarm LINE 2 confirmed
Digital Output Page
1
Menu level
4
Digital output 3 state
2
Digital output 1 state
5
Digital output 4 state
3
Digital output 2 state
o/o
= unasserted (open),
o-o
= asserted (closed)
5 Dig IO Information
Relay Outputs
RL-1 RL-2 RL-3 RL-4
In Out Out Out 1
2 3 4 5
5 Dig IO Lock o/o
Digital Outputs
DO-1 DO-2 DO-3 DO-4
o/o o/o o/o o/o
1
2 3 4 5
6
Figure 23 - Relay Output Status Page
Figure 24 - Digital Outputs Status Page