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

CONTROL WIRE APPLICATIONS
9.1.5 HA Three-wire
Hand / Two-
wire Auto
9–6
• When the PLC contact is pulsed open, the motor stops.
• When the STOP button is pressed, the motor stops.
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 contactor A output relay, an
cause contactor A output relay to open.
Figure 9-4: HOA Three-wire Hand / Three-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 by the maintained PLC contact. When the PLC contact opens, the motor
stops.
To program the MM3 Motor Manager 3 for three-wire hand / two-wire auto control (hand/
auto configuration), set:
S3 PROCESS PROGRAMMABLE INPUTS
S3 PROCESS PROGRAMMABLE INPUTS
S3 PROCESS PROGRAMMABLE INPUTS
S3 PROCESS STOP CONFIGURATION
S3 PROCESS STOP CONFIGURATION
CHAPTER 9: APPLICATIONS
OPEN CONTROL CIRCUIT alarm will occur. This will
GE POWER MANAGEMENT
INTERLOCK INPUT
INTERLOCK INPUT
INTERLOCK INPUT
FACEPLATE STOP: "LATCHED"
PROCESS STOP: "LATCHED"
MM3 MOTOR MANAGER 3 – INSTRUCTION MANUAL
1: "TWO WIRE CONTROL"
2: "AUTO PERMISSIVE"
3: "AUTO START A"