Figure 39. Tx3-Er-8 Elevator Restriction Unit - Mircom TX3 Series Installation And Operation Manual

The elevator restriction unit consists of the main elevator restriction controller
board and the elevator backplane. Up to eight 2012E Elevator Relay Boards may
be installed, allowing for 96 elevator floors for access in this enclosure. See
Figure 39.
The TX3-ER-8 Elevator Restriction Unit performs the following functions:
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Figure 39. TX3-ER-8 Elevator Restriction Unit

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LT-969 Copyright 2012
Provides time dependent relay contacts which can be used for either
elevator or video control.
User set timer for relay contacts for each TX3-ER-8 Elevator Restriction
Unit at each Lobby Control Unit.
RS-485 Interface to network to other Units.
Low Power operation from one 16 Vac transformer.
Elevator Restriction
Backplane
Elevator Restriction
Controller Board
Elevator Restriction Unit Installation and Configuration
TX3-ER-8 Elevator Restriction Unit
Each slot
accepts a
2012E
12 Relay
Card
Version 1.6