GE MM3, Instruction Manual, Page: 204 / 230

9–6 MM3 MOTOR MANAGER 3 – INSTRUCTION MANUAL
CONTROL WIRE APPLICATIONS CHAPTER 9: APPLICATIONS
• 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
OPEN CONTROL CIRCUIT alarm will occur. This will
cause contactor A output relay to open.
Figure 9-4: HOA Three-wire Hand / Three-wire Auto
9.1.5 HA 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 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 Ö PROGRAMMABLE INPUTS Ö INTERLOCK INPUT 1 : “TWO WIRE CONTROL”
S3 PROCESS Ö PROGRAMMABLE INPUTS ÖØ INTERLOCK INPUT 2 : “AUTO PERMISSIVE”
S3 PROCESS
Ö
PROGRAMMABLE INPUTS
ÖØ
INTERLOCK INPUT 3 : “AUTO START A”
S3 PROCESS ÖØ STOP CONFIGURATION ÖØ FACEPLATE STOP : “LATCHED”
S3 PROCESS ÖØ STOP CONFIGURATION ÖØ PROCESS STOP : “LATCHED”
GE POWER MANAGEMENT