Mircom TX3-ER-8 Installation Manual page 22

2.4.2 Relay numbering
Up to eight relay boards can be mounted on the Elevator Restriction Controller
Backplane, for a maximum of 96 relays. Figure 11 shows how the relays are
numbered.
•
•
•
•
For example, the relay labeled RELAY 1 on a relay board is relay 1 when the
board is mounted in position 1, but it is relay 13 when the board is mounted in
position 2, and relay 25 when the board is mounted in position 3.
2.4.3 Relay Board Installation
Note:
To mount the relay board
•
Attention: Mount the relay boards so that the LEDs are on the left side
Elevator Restriction System Installation and Operation Manual
22
The system numbers the relays starting in position 1.
The 12 relays in position 1 are numbers 1 to 12.
The 12 relays in position 2 are numbers 13 to 24.
The 12 relays in position 3 are numbers 25 to 36, and so on.
Only a qualified elevator service technician should wire the
Elevator Restriction Unit to the elevator controller.
Insert the relay boards in the 8 sockets in the Elevator Restriction Unit
Backplane, starting from the bottom. If you have only one relay board, put
it in position 1. If you have 2 boards, put them in positions 1 and 2, and so
on.
facing you.
Installing the Elevator Restriction Unit