Wiring - Mircom TX3 Series Installation Manual

2.
3.
4.
5.
2.2

Wiring

Note:
Note:
Before you mount and wire the 2012E Relay Boards, you must know the
following:
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•
•
Using the information in sections 2.2.1 and 2.2.2, wire the relays to the input
circuits of the elevator manufacturer's button controller. Use tables in
Chapter 4 to record how each relay is wired.
2.2.1 Relays and jumpers
Each 2012E Relay Board has 12 relays. Figure 9 on page 19 shows the relays,
viewing the board from the top with the relays on the right.
The relays are Form A or B relay contacts rated at 0.5 A / 28 VDC.
A jumper next to each relay controls whether the relay is normally open or
normally closed. By default the relays are normally open.
Elevator Restriction System Installation and Operation Manual
18
LT-9940 Copyright 2018
Place the screws halfway into the wall in the position shown using a
suitable screw.
Hang the box onto the two screws.
Screw the other two screws at the bottom of the panel.
Tighten all four screws into place.
Only a qualified elevator service technician should wire the
Elevator Restriction Unit to the elevator controller.
Before wiring, ensure that the power is off.
In a Card Access System, each access point controls a specific
elevator restriction unit. For this reason, install an access point
inside each cab, and wire the buttons of each cab identically.
How many floors or relays per cab you are using, keeping in mind that
each 2012E card has 12 relays. Each relay will be assigned to a specific
floor selection button.
Whether the circuits are normally open or normally closed.
What they will be connected to.
Installing the Elevator Restriction Unit
Version 1.2