Curtis 1239E User Manual

Return to TOC Curtis 1239E-1269E Manual, os 37.0 RevA – May 2021
2 — INSTALLATION AND WIRING
pg. 9
Pin Name Description
Related VCL*
Function References
1 KSI
Keyswitch input. Provides logic power
for the controller and power for the
coil drivers.
Keyswitch_Voltage
2 Prop. Driver
Proportional driver. This is a coil driver
with current control capability typically
used for a proportional valve on a
hydraulic manifold. Can also be used as a
digital input.
Automate_PWM()
Put_PWM()
Automate_
Frequency_Output()
Frequency_
Output_Duty_
Cycle()
Sw_13
PWM5
PD_Current
PD_Output
PD_Throttle
VCL_PD_Throttle
3 Driver 4
Generic driver #4; can also be used
as a digital input. Has low frequency
PWM capabilities.
Automate_PWM()
Put_PWM()
Sw_12
PWM4
PWM4_Output
4 Driver 3
Generic driver #3; can also be used as
a digital input. Has low frequency PWM
capabilities. Typically used for external
precharge relay.
Automate_PWM()
Put_PWM()
Sw_11
PWM3
PWM3_Output
5 Driver 2
Generic driver #2; can also be used
as a digital input. Has low frequency
PWM capabilities and a slightly higher
current rating. Typically used for
electromagnetic brake.
Automate_PWM()
Put_PWM()
Sw_10
PWM2
PWM2_Output
6 Driver 1
Generic driver #1; can also be used
as a digital input. Has low frequency
PWM capabilities. Typically used for
main contactor.
Automate_PWM()
Put_PWM()
Set-Interlock()
Clear_Interlock()
Sw_9
PWM1
PWM1_Output
Interlock_State
Main_State
7 Low Power Ground Ground reference for low power connections.
8
Switch 2
Analog 2
Can be used as generic switch input #2 or
as generic analog input #2. Typically used
as the motor temperature analog input.
Sw_2
Analog2_Input
Motor_Temperature
9 Switch 3
Generic switch input #3. Typically used as
the interlock switch.
Sw_3
10 Switch 4 Generic switch input #4.
Sw_4
11 Switch 5 Generic switch input #5.
Sw_5
12 Switch 6 Generic switch input #6.
Sw_6
13 Coil Return
This is the coil return pin (at KSI potential)
for all the contactor coils.
14 Switch 16 Generic switch input #16.
Sw_16
15 Throttle Pot High
Pot high connection for a 3-wire
throttle pot.
Table 2 Low Power Connections
* 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.

Curtis 1239E Specifications

General

Brand	Curtis
Model	1239E
Category	Controller
Language	English