Product Manual

Installation
3M™ Wireless Communication System Model XT-1
Installation Manual
September 2012 – Revision 1.9 DRAFT
Page 29 of 68
15. Wire the Timer Display to the Timer Module, see page 27.
16. The three vehicle detector inputs at the top of the base station are
passed to the Timer Module. Three additional detector inputs are
provided on the Timer Module.
Timer Display
The Timer Display is connected to the 3M
TM
Timer Module and powered from
the base station. The connections include:
• Serial communications (RS-485) terminals A and B.
• Power (12Vdc and Ground)
1. Single Sided or
Double Sided
Displays -
Connect to Order
Point terminals
on the base
station.
2. Additional displays or cable runs longer than 50 feet - Use an
external 3A, 12Vdc Power Supply.
• Reboot or power cycle the system to initialize communications
• Figure 17 shows the recommended wiring.
Figure 17
Timer Display
(Top View)
Timer Module
Optional
Alternate
Power Supply
(12V, 3A)
Power
Supply
(12V Out)
from Base
Station