TECO-Westinghouse PA7300 Series, Installation And Operation Manual

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• 2nd digit
2nd digit = 0: Overtorque is detected only during agreed frequency.
2nd digit = 1: Overtorque is detected during stop or run except for DB.
•
3rd digit
3rd digit = 0: When overtorque is detected, “Over Torque OL3” blinks in the digital
operator and the operation continues.
3rd digit = 1: When overtorque is detected, “Over Torque OL3” is displayed on the digital
operator and the AC drive output is shut OFF. A fault contact signal is asserted.
(Treated as a fault)
Setting either Sn-20 to 22 to “OB” enables signal to be asserted at overtorque detection.
(8) Operation Mode Select 5 (Sn-08)
•
1st digit
(frequency reference input by an RS-485 option card or AC drive unit select)
Specify whether an RS-485 option card (PA-C, PA-P, or PA-L), or AC drive frequency reference is used
for operation.
1st digit = 0: RS-485 Option card frequency reference is accepted.
1st digit = 1: Frequency reference from AC drive control circuit terminals or the digital
operator is accepted.
•
2nd digit
(RUN/STOP command input by an RS-485 option card or AC drive unit select)
2nd digit = 0: The RS-485 option card RUN/STOP command is accepted.
2nd digit = 1: The RUN/STOP command from AC drive control circuit terminals or the digital
operator is accepted.
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PA 7300 PART II: OPERATION MANUAL
MOTOR
CURRENT
Cn-26
HYSTERESIS 10%
TIME
MULTI-FUNCTION OUTPUT SIGNAL
(OVERTORQUE DETECTION SIGNAL)
ON
ON
Cn-27
Cn-27