Multilin SR469 - 4.15 S14 TWO-SPEED MOTOR

S14 TWO-SPEED MOTOR 4. SETPOINT PROGRAMMING
4-80
The SR469 has a 2-Speed Motor feature. This feature is intended to provide proper protection for a two-speed motor where there will be
two different full load values. The algorithm integrates the heating at each speed into one thermal model using a common thermal ca-
pacity used register value for both speeds.
If the Two-Speed Motor feature is used, ASSIGNABLE INPUT4 will be dedicated as the Two-Speed Motor Monitor. Terminals D22 and
D23 will be monitored for a contact closure. Closure of the contact will signify that the motor is in Speed 2. If the input is open, it signifies
that the motor is in Speed 1. This allows the SR469 to determine which setpoints should be active at any given point in time.
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The two-speed motor protection is enabled in S2 SYSTEM SETUP\CURRENT SENSING.
4.15.1 SPEED2 O/L SETUP
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4.15
S14
TWO SPEED
MOTOR