GE Multilin MM3 Motor Manager 3 Instruction Manual page 201

CHAPTER 9: APPLICATIONS
MM3 MOTOR MANAGER 3 – INSTRUCTION MANUAL
AUTO operation:
• In the auto position, the motor is available to start.
• When the PLC contact closes, the motor runs.
• When the PLC contact opens, the motor stops.
• Pressing the STOP key causes a latched trip. The motor cannot be restarted until
RESET is pressed.
Terminal 11 (Stop input) must be closed to allow a start. The MM3 Motor Manager 3 display
will read MOTOR STATUS UNAVAILABLE when the stop input is open.
If feedback is not received by the Contactor A Status N.O. input within one second of
closing the contactor A output relays, an
causes the contactor A output relay to open.
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 9-2: HOA Two-wire Hand / Two-wire Auto
CONTROL WIRE APPLICATIONS
OPEN CONTROL CIRCUIT alarm will occur. This
GE POWER MANAGEMENT
9–3