Unitec POS4000/V2-Wash Select II - Manual (Page 35)

P O S 4 0 0 0
Document Number: POS4007 9
Document Title: POS4000/V2 WSII Operations Manual
2.2.1 Wiring Information for POS4000 Interface Board
The following tables list the wiring information for the POS4000 Interface Board.
Note:
> is a signal input to interface board
< is a signal output from interface board
Table 2. Connector-Pin Communications Link to POS4000 Console
Interface
Connector
Direction Pin
C-1 <> Pin 1 (RS485 -)
C-2 <> Pin 2 (RS485 +)
C-3 <> Pin 3 (Signal GND)
(not connected)
C-4 <> Earth Ground (connected to
Earth manually or via Hard
wired Earth ground cable
Note:
On POS4000 Interface boards with Version 6.6 Hardware the Pin C-4 is connected
internally to Signal Ground.
Table 3. Connections to Carwash Controller
Connector Direction Controller Connection
D-1 > Car Wash “IN USE” Signal
D-1 > Car Wash “IN-USE” Neutral
A1-8 > Car Wash Voltage to activate wash functions
B-1 < Function 1*
B-2 < Function 2*
B-3 < Function 3*
B-4 < Function 4*
B-5 < Function 5*
B-6 < Function 6*
B-7 < Function 7*
B-8 < Function 8*
*See Section 2.3 for "Function" descriptions