TECO-Westinghouse PA7300 Series, Installation And Operation Manual

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3-3
PA 7300 PART II: OPERATION MANUAL
PROTECTION FUNCTION
EXPLANATION
LCD DISPLAY
(ENGLISH) )
Parameter Setting Error Parameter Setting Error Fault (Err)* 1
Parameter
Input Phase Loss Fault DC bus voltage ripple ∆V ≥input phase loss detection level (Cn - 61), the Fault (IPL)* 1
motor coasts to stop Input phase loss
Output Phase Loss Fault One of the AC Drive output phases are lost, the motor coasts to stop. Fault (oPL)* 1
Output phase loss
Motor overheat The motor temperature detected sensor PTC thermistor RT ≥ 1330Ω Fault (OH3)*
1
Motor Overheat
Fault 1 RS-485 communication error or transmission fault during communicating (CPF21)*
1
and the RS-485 stopping method after communication error of Sn-08 is to RS-485 comm. Fault 1
stop the motor.
Fault 2 RS-485 communication protocol error and the RS-485 stopping method (CPF22)* 1
after communication error of Sn-08 is to stop the motor RS-485 comm. Fault 2
RS-485
communication Fault 3 PROFIBUS communication option card PA-P Dual port RAM fault. (CPF23)*
1
Fault RS-485 comm. Fault 3
Fault 4 PROFIBUS communication option card PA-P EEPROM checksum error. (CPF24)*
1
RS-485 comm. Fault 4
Fault 5 PROFIBUS communication option card PA-P RAM fault (CPF25)* 1
RS-485 comm. Fault 5
Fault 6 PROFIBUS communication option card PA-P communication IC fault. (CPF26)* 1
RS-485 comm. Fault 6
Fault 7 PROFIBUS communication option card PA-P Watch dog timer active. (CPF27)* 1
RS-485 comm. Fault 7
*1. The display contents of LED digital operator.
*2. Auto-reset is available for these fault conditions.