VM600 MPS hardware manual (standard version) MAMPS-HW/E 10 - 13
Edition 17 - February 2018
Configuring the four local relays on the IOC8T
CONFIGURATION OF AMC8 / IOC8T CARDS
10.3Configuring the four local relays on the IOC8T
Connector J4 of the IOC8T card has terminals for the following four relay outputs:
• RL1 – Pins 1, 2 and 3 on connector J4
• RL2 – Pins 4, 5 and 6 on connector J4
• RL3 – Pins 7, 8 and 9 on connector J4
• RL4 – Pins 10, 11 and 12 on connector J4.
Specific alarms can be attributed to these relays using the VM600 MPSx software.
NOTE: Refer to the relevant manual for further information: VM600 MPS1 software
manual or VM600 MPS2 software manual.
As explained in 9.4.2 Operation of relays, micro-switches must be set on the IOC8T card to
configure each relay as normally energised (NE) or normally de-energised (NDE).
See Figure 10-10 for the position of the micro-switches on the IOC8T card.
10.3.1 Relay terminology
See 9.4.1 Relay terminology.
10.3.2 Operation of relays
See 9.4.2 Operation of relays.
10.4Configuring the eight DC outputs
The eight DC outputs (DC OUT 1 to DC OUT 8) on connector J3 of the IOC8T card are
factory configured to provide a current-based output (4 to 20 mA).
Optionally, all eight can be configured as voltage-based outputs (0 to 10 V). This requires the
setting of a solder bridge on the IOC8T card.
Note that it is not possible to have a mixture of current-based and voltage-based outputs.
NOTE: Contact your nearest Meggitt Sensing Systems representative for further
information.
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