Delta BLD-E1 brushless DC motor drive BLD-E1 Series User Manual Page 131

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Chapter 4 ParametersAT |Troubleshooting}| BLD-E1 Series
4-90
Revision May 2009, 00DE, V0.50
Content Address Function
2120H Frequency command when malfunction
2121H Output frequency when malfunction
2122H Output current when malfunction
2123H Motor frequency when malfunction
2124H Output voltage when malfunction
2125H DC-bus voltage when malfunction
2126H Output power when malfunction
2127H Output torque when malfunction
2128H IGBT Temperature of Power Module at Present Fault
2129H Input status of multi-function terminal when malfunction
(format is the same as Pr.00-04=16)
212AH Output status of multi-function terminal when malfunction
(format is the same as Pr.00-04=17)
212BH Drive status when malfunction (format is the same as 2119H)
2201H Pr.00-05 user-defined setting
2203H VR analog input (XXX.XX %)
2204H ACI analog input (XXX.XX %)
2205H AVI analog input (XXX.XX %)
2206H Display temperature of IGBT (
o
C)
2207H Reserved
2208H Digital input state
2209H Digital output state
3.6 Exception response:
The brushless DC motor drive is expected to return a normal response after receiving
command messages from the master device. The following depicts the conditions when no
normal response is replied to the master device.
The brushless DC motor drive does not receive the messages due to a communication error;
thus, the brushless DC motor drive has no response. The master device will eventually
process a timeout condition.
The brushless DC motor drive receives the messages without a communication error, but
cannot handle them. An exception response will be returned to the master device and an
error message “CExx” will be displayed on the keypad of brushless DC motor drive. The xx
of “CExx” is a decimal code equal to the exception code that is described below.
In the exception response, the most significant bit of the original command code is set to 1,
and an exception code which explains the condition that caused the exception is returned.
Example of an exception response of command code 06H and exception code 02H:
ASCII mode:
RTU mode:
STX ‘:’ Address 01H
‘0’ Function 86H Address Low
Address High
‘1’ Exception code 02H
‘8’ CRC CHK Low C3H Function Low
Function High
‘6’ CRC CHK High A1H
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