Delta 1.07 VFD-D D User Manual Page 98

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Chapter 4 Parameter Settings|DD Series
4-74
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.00-04 user-defined setting
2203H Reserved
2204H Reserved
2205H Reserved
2206H Display temperature of IGBT (oC)
2207H Reserved
2208H Digital input state
2209H Digital output state
Exception response:
The AC 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 AC motor drive does not receive the messages due to a communication error; thus, the AC motor
drive has no response. The master device will eventually process a timeout condition.
The AC 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 AC 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:
ASCII mode: RTU mode:
STX ‘:’ Address 01H
‘0’ Function 86H
Address
‘1’ Exception code 02H
‘8’ CRC CHK Low C3H
Function
‘6’ CRC CHK High A1H
‘0’
Exception code
‘2’
‘7’
LRC CHK
‘7’
CR
END
LF
The explanation of exception codes:
Exception code Explanation
1
Illegal data value:
The data value received in the command message is not available for the AC
drive.
2
Illegal data address:
The data address received in the command message is not available for the AC
motor drive.
3 Parameters are locked: parameters can’t be changed
4 Parameters can’t be changed during operation
10 Communication time-out.
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