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  Drives Service & Support > Legacy > 1336 > Required Inputs

As a minimum requirement for drive operation, the following five control inputs must be present to operate the drive:

1. Start
A momentary True input will start the drive. The drive will continue to run until a stop input is issued or a drive fault occurs. A start input may come from:
. The optional FA2, RP2 or RP3 control panel start pushbutton.
. A user supplied N.O. contact or start pushbutton connected to the optional L1, L2, or L3 Logic Interface Board. Refer to Appendix A - Logic Interface Options and the 1336-MOD-L1, L2, or L3 instruction manual.
. A user supplied start signal sent to the optional G2 Remote I/O Interface Board. Refer to the 1336-MOD-G2 instruction manual.

2. Stop
A momentary False input will stop the drive. A maintained True input will permit the drive to run or jog. A stop input may come from:
. The optional FA2, RP2 or RP3 control panel stop pushbutton.
. A user supplied maintained contact or stop pushbutton connected to the optional L1, L2, or L3 Logic Interface Board. Refer to Appendix A - Logic Interface Options and the 1336-MOD-L1, L2, or L3 instruction manual.
. A user supplied stop signal sent to the optional G2 Remote I/O Interface Board. Refer to the 1336-MOD-G2 instruction manual.
. The Main Control Board when Jumper J8 is installed between Pins 11 and 12.

3. Enable
A maintained True input or a maintained closed contact will permit the drive to start, run, or jog. A momentary False input or an open contact will disable drive output. An enable input may come from:
. A user supplied maintained contact or switch connected to the optional L1, L2 or L3 Logic Interface Board. Refer to Appendix A - Logic Interface Options and the 1336-MOD-L1, L2 or L3 instruction manual.
. The Main Control Board when Jumper J9 is installed between Pins 7 and 8.

4. Speed Reference
Speed reference sets the drive operating frequency. A speed reference input may come from:
. A Control Panel speed potentiometer.
. A user supplied 10kW remote speed potentiometer connected to terminal block TB2.
. A 4-20mA analog signal connected to terminal block TB2. Refer to Chapter 6 - Wiring.
. A 0-10V DC analog signal connected to terminal block TB2. Refer to Chapter 6 - Wiring.
. A pulse train input signal connected to terminal block TB2. Refer to Chapter 6 - Wiring.
. One of seven preset speed signals connected to the optional L1, L2, or L3 Logic Interface Board, or the optional G2 Remote I/O Interface Board. Refer to Appendix A - Logic Interface Options and the 1336-MOD-L1, L2 or L3 instruction manual or the 1336-MOD-G2 instruction manual.

5. Auxiliary
A maintained True input or a maintained closed contact will permit the drive to start, run, or jog. A momentary False input or an open contact will disable drive output and generate Fault F02. An auxiliary input may come from:
. A user supplied maintained contact or switch connected to the optional L1, L2 or L3 Logic Interface Board. Refer to Appendix A - Logic Interface Options and the 1336-MOD-L1, L2, or L3 instruction manual.
. The Main Control Board when Jumper J9 is installed between Pins 9 and 10.