Delta PG-40 Dokumentacja Pobierz pdf (Strona 100)

VFD-B Series

5-65

Content Address Function

210DH PG pulse (low byte) /unit time (Pr.10-15)

210EH PG pulse (high byte) /unit time (Pr.10-15)

210FH Output power (KW)

2110H Reserved

2200H Feedback Signal (XXX.XX %)

2201H User-defined (Low word)

2202H User-defined (High word)

2203H AVI analog input (XXX.XX %)

2204H ACI analog input (XXX.XX %)

2205H AUI analog input (XXX.XX %)

3.6 Exception response:

The AC drive is expected to return a normal response after receiving command

messages from the master device. The following depicts the conditions that no

normal response is replied to the master device.

The AC drive does not receive the messages due to a communication error; thus, the

AC drive has no response. The master device will eventually process a timeout

condition.

The AC drive receives the messages without a communication error, but cannot

handle it, an exception response will return to the master device and an error

message “CExx” will display on the keypad of AC drive. The xx of “CExx” is a

decimal code equal to the exception code that will describe below.

In the exception response, the most significant bit of the original command code is set

to 1, and an exception code explains the condition that caused the exception is

returned. An example of exception response of command code 06H and exception

code 02H:

ASCII mode:

RTU mode:

STX ‘:’ ADR 01H

‘0’ CMD 86H ADR 1

ADR 0

‘1’ Exception code 02H

‘8’ CRC CHK Low C3H CMD 1

CMD 0

‘6’ CRC CHK High A1H

‘0’

Error code

‘2’

‘7’ LRC CHK 1

LRC CHK 0

‘7’

CR END 1

END 0

The explanation of error codes:

1 2 ... 95 96 97 98 99 100 101 102 103 104 105 ... 178 179

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