Hoa Three- Wire Hand / Three-Wire Auto - GE Multilin MM3 Motor Manager 3 Instruction Manual

CHAPTER 9: APPLICATIONS
9.1.4 HOA Three-
wire Hand /
Three-wire
Auto
MM3 MOTOR MANAGER 3 – INSTRUCTION MANUAL
In the case of a faceplate stop trip, the start signal to terminal 12 should be removed if
restarting is not desired. When the reset key is pressed on the MM3 Motor Manager 3, the
motor will be restarted based on terminal 12.
Figure 9-3: HOA three-wire Hand / Two-wire auto
This control scheme is used when it is desirable to operate the starter manually and
automatically. In the hand position, the starter coil is energized via the START button and
de-energized via the STOP button. In the auto position, the starter is energized
automatically when the PLC1 contact is pulsed closed. When the PLC2 contact is pulsed
open, the motor stops.
Set the MM3 Motor Manager 3 to the default settings for three-wire hand / three-wire auto
control.
HAND operation:
• In the hand position, the motor is available to start.
• When the START button is pressed, the motor runs.
• When the STOP button is pressed, the motor stops.
OFF operation:
• In the off position, the motor will stop.
AUTO operation:
• In the auto position, the motor is available to start.
• When the PLC contact is pulsed closed, the motor runs.
CONTROL WIRE APPLICATIONS
GE POWER MANAGEMENT
9–5