8
The EZ TM85 communication board/power supply receives the incoming line voltage (120 VAC), supplies the operating
system with DC voltage. The dispenser IC box transmits data signals between the console and the dispenser.
Connection of Dispenser Control, Data Wires
Fig. 5, Dispenser Control EZ TM85 Board
Connect the dispenser control wires to the (+) and (-) data terminals. A communication FAIL error will
display if the polarity should be reversed when making connections, but will not damage the board.
EMERGENCY OFF
CONTACTS IN
"NORMAL" CONDITION
DURING EMERGENCY OFF
NO
NC
COM
T
M
8
5
E
(1A @ 115 VAC MAX.)
G
N
D
N
E
U
T
H
O
T
115 VAC
PUMP CONTROL
T/R+
T/R -
GND
RxD+
RxD-
PILOT DUTY ONLY
BLK
BLK
BLK
BLK
BLACK
WHITE
WHI
WHI
WHI
WHI
WHI
WHI
WHI
WHI
BLK
BLK
BLK
BLK
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
#1
#2
#3
#4
#5
#6
#7
#8
From Credit Card
Dispenser Modules
RELAY
Dispenser Control Data Wires
EMERGENCY OFF
CONTACTS IN
"NORMAL" CONDITION
DURING EMERGENCY OFF
NO
NC
COM
T
M
8
5
E
(1A @ 115 VAC MAX.)
G
N
D
N
E
U
T
H
O
T
115 VAC
PUMP CONTROL
T/R+
T/R -
GND
RxD+
RxD-
PILOT DUTY ONLY
BLK
BLK
BLK
BLK
BLACK
WHITE
WHI
WHI
WHI
WHI
WHI
WHI
WHI
WHI
BLK
BLK
BLK
BLK
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
T/R-
T/R+
#1
#2
#3
#4
#5
#6
#7
#8
From Credit Card
Dispenser Modules
RELAY
