Pin description – Unitec Wash Select II POS Owner’s Manual User Manual
Page 184
W A S H S E L E C T I I
Document Number:
WS21002
170
Document Title:
WSII Operations Manual
J26 Data to Display I/O Board
Pin
Description
1
Encoded Button 0
2
GND
3
Encoded Button 1
4
Display DB0
5
Encoded Button 2
6
Display DB1
7
TTL Cash Enable
8
Display DB2
9
5VDC
10
Display DB3
11
TTL Coin pulse 1
12
Display DB4
13
TTL Coin pulse 2
14
Display DB5
15
TTL Coin pulse 3
16
Display DB6
17
TTL Coin pulse 4
18
Display DB7
19
N/C
20
GND
21
5VDC
22
Display RS
23
Keypad Feed 0
24
Display R/W
25
Keypad Feed 1
26
Display Enable 0
27
Keypad Feed 2
28
Display Enable 1
29
Keypad Return 0
30
Display Enable 2
31
Keypad Return 1
32
GND
33
Keypad Return 2
34
Keypad Return 3
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