10
Curtis 1234/36/38 Manual, Rev. D
1 1 J U LY 2 0 0 8 D R A F T
12 Switch 6 Generic switch input #6. Sw_6
13 Coil Return This is the coil return pin
for all the contactor coils.
14 Switch 16 / DNC In the 1234, this is Sw_16
generic switch input #16.
In the 1236 and 1238,
Do Not Connect.
15 Throttle Pot High Pot high connection for
a 3-wire throttle pot.
16 Throttle Pot Wiper Pot wiper connection for Setup_Pot Throttle_Pot
the throttle pot. Setup_Pot_Faults Throttle_Pot_Output
17 Pot2 Wiper Pot wiper connection for Setup_Pot Brake_Pot
the brake pot. Setup_Pot_Faults Brake_Pot_Output
18 Pot Low Common pot low Pot_Low_Output
connection for the throttle
and brake pots.
19 Digital Out 6 An open collector digital Set_DigOut Sw_14
output. Can also be used Clear_DigOut DigOut6
as a digital input. Dig6_Output
20 Digital Out 7 An open collector digital Set_DigOut Sw_15
output. Can also be used Clear_DigOut DigOut7
as a digital input. Dig7_Output
21 CAN Term H High connection for the
CAN termination jumper.
22 Switch 7 Generic switch input #7. Sw_7
Typically used as the
Forward switch.
23 CANH CAN bus high. Setup_CAN
Setup_Mailbox
Send_Mailbox
etc.
24 Switch 1 Can be used as generic Sw_1
Analog 1 switch input #1 or as Analog1_Input
generic analog input #1.
Typically used for
emergency reverse switch
(if applicable).
25 +12V Out Unregulated low power Ext_Supply_Current
+12V output.
26 +5V Out Regulated low power 5_Volts_Output
+5V output. Ext_Supply_Current
27 Pot2 High Pot high connection for
a 3-wire brake pot.
2 — INSTALLATION & WIRING: Low Current Connections
Table 2 Low Current Connections, cont’d
RELATED VCL
PIN NAME DESCRIPTION
FUNCTIONS REFERENCES
Yes, this
remains
Brake_Pot
in VCL.
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