Curtis 1239E User Manual

2 — INSTALLATION AND WIRING
Curtis 1239E-1269E Manual, os 37.0 RevA – May 2021
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pg. 10
Pin Name Description
Related VCL*
Function References
16 Throttle Pot Wiper Pot wiper connection for the throttle pot.
Setup_Pot()
Setup_Pot_Faults()
Throttle_Pot
Throttle_Pot_Output
17 Pot2 Wiper Pot wiper connection for the brake pot.
Setup_Pot()
Setup_Pot_Faults()
Brake_Pot
Brake_Pot_Output
18 Pot Low
Common pot low connection for the
throttle and brake pots.
Pot_Low_Output
19 Digital Out 6
An On/Off output driver. Can also be used
as a digital input.
Set_DigOut()
Clear_DigOut()
Sw_14
DigOut6
Dig6_Output
20 Digital Out 7
An On/Off output driver. Can also be used
as a digital input.
Set_DigOut()
Clear_DigOut()
Sw_15
DigOut7
Dig7_Output
21 CAN Term H
High connection for the CAN
termination jumper.
22 Switch 7
Generic switch input #7. Typically used as
the Forward switch.
Sw_7
23 CAN H CANbus high.
Setup_CAN()
Setup_Mailbox()
Send_Mailbox()
etc.
24
Switch 1
Analog 1
Can be used as generic switch input #1 or
as generic analog input #1.
Sw_1
Analog1_Input
25 +12V Out Unregulated low power +12V output.
Ext_Supply_Current
26 +5V Out Regulated low power +5V output.
5_Volts_Outpu
Ext_Supply_Current
27 Pot2 High Pot high connection for a 3-wire brake pot.
28 Serial TX
Serial transmit line for display or
ash update.
Setup_Serial()
29 Serial RX Serial receive line for ash update.
Setup_Serial()
30 Analog Output
Low power, low frequency 0 V to 10 V
analog output.
Automate_PWM()
Put_PWM()
PWM6
Analog_Output
31 Position Feedback A
Quadrature encoder input phase A
(ACIM motors).
Motor_RPM
MotorspeedA
Encoder_Sin_Input_Compensated
32 Position Feedback B
Quadrature encoder input phase B
(ACIM motors).
Motor_RPM
MotorspeedB
Encoder_Sin_Input_Compensated
33 Switch 8
Generic switch input #8. Typically used as
the Reverse switch.
Sw_8
34 CAN Term L
Low connection for the CANbus
termination jumper.
35 CAN L CANbus low.
Setup_CAN()
Setup_Mailbox()
Send_Mailbox()
etc.
* The related VCL columns are vital when writing VCL code (see Chapter 10). VCL “functions” are used to access the various I/Os; VCL “references” are
predefined names for specific pins. Refer to the OS SysInfo file for specific VCL functions, controller system variables, usage, and CAN Object IDs.
Table 2 Low Power Connections, cont’d

Curtis 1239E Specifications

General

Brand	Curtis
Model	1239E
Category	Controller
Language	English