3M Drive-Thru G5 - L. Installing Accessory Boards in the Basestation

Installation Instructions G5 - Revision C, September 2019 23
3M™ Drive-Thru System Model G5
Installation Instructions G5
Revision C, September 2019
Vehicle Approach Monitor
Configure any of the 16 GPIOs to be used as a vehicle approach monitor. The relay closure signal to these GPIOs can be supplied by an
external vehicle detector connected to an induction loop, in the drive-thru, which monitors an approaching vehicle. A typical wiring is
illustrated in Figure 17.
Figure 17.
IMPORTANT NOTE
i
GPIO15 and GPIO16 are located in the Lane 1 and Lane 2 Order Point Connectors.
L. Installing Accessory Boards in the Basestation
Accessory boards include up to two vehicle detectors for a Dual-Lane operation and a backup module. They must be installed into the
Basestation according to the following procedures.
Figure 18.