8
WIRING DIAGRAM FOR MULTIPLE STP-SCIII's (120V COIL) AND STP-SCIIIC's (240V COIL)
DISPENSER HOOK SIGNAL OR OTHER EQUIPMENT. WHEN POWER IS
APPLIED TO THIS CIRCUIT, THE COIL IN THE CONTROL BOX WILL BE
ENERGIZED PROVIDING POWER TO THE STP.
3 PHASE POWER
SUPPLY
L1
L2
L3
M2
M1
M3
L1
L2
L3
M1
M2
M3
M1
L2
L1
L3
L2
L1
L3
M2
M1
M3
M2
M3
To STP
To STP
RS 485 (+, G, -) CONNECTION. USE THREE CONDUCTOR
SHIELDED CABLE WITH DRAIN WIRE (22 AWG MINIMUM).
RS 485 TO ADDITIONAL
SLAVE(S)
DISPENSER HOOK SIGNAL TO
ADDITIONAL SLAVE(S)
MASTER OR STAND ALONE
SLAVE (IF APPLICABLE)
3 PHASE POWER
SUPPLY
+
G
-
Figure 2
Address Selection
Address
Pos-7
Pos-8
Master-0
Off
Off
Slave-1
Off
On
Slave-2
On
Off
Slave-3
On
On
Table 1
