Yokogawa JUXTA M Series Digital Limit Alarms MVTK Manual de usuario Pagina 45

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<Toc> <Ind> <4. Ladder Communication >
4-5
IM 77J04J11-01E 1st Edition : 2006.08.25-00
4.2.4 Response Error Codes
Data that the master station (PLC) will receive in the event of an error and the description of
errors are given in the table below.
0101/0103/0000/0001/CR/LF
Read/write data
0, 0, R/W, and +/-
Parameter number
Address number and CPU number
Note: Slashes (/) in the following send and receive data examples are used for explanatory purposes only, and are not part of
the actual data string.
Table 4-2 List of Error Codes
A non-existent parameter was set. 0101/0451/0000/0001/CR/LF 0101/0451/0000/FFFF/CR/LF
0101/0420/0000/000B/CR/LF
0101/0420/000B/0000/CR/LF
0101/0420/0B00/0000/CR/LF
0101/042B/0000/0000/CR/LF
0101/FFFF/FFFF/FFFF/CR/LFCharacters other than a BCD code (0 to 9)
were used other than in an address number.
* This excludes LF (0A).
0101/0420/0000/000A/CR/LF
0101/0420/000A/0000/CR/LF
0101/0420/0A00/0000/CR/LF
0101/040A/0000/0000/CR/LF
No responseAn LF code (0A) was used other than in
an address number.
0103/0420/0000/0000/CR/LF
0001/0420/0000/0000/CR/LF
3301/0420/0000/0000/CR/LF
An address differed from the address
numbers of the M Series.
* In the example at right, none of the address numbers exist.
No response
0101/0420/0000/00/CR/LF
0101/0420/0/CR/LF
0101/0/CR/LF
No responseThe command length (length of the send
data) is incorrect.
* The command length, including CR and LF, must be 10 bytes.
0101/012 No responseA timeout occurred during communication.
* Timeout is 2 seconds.
The buffer overflowed.
* This error occurs when the buffer overflow exceeds 368 bytes.
No response
A framing error or a parity error occurred. No response
Description of Error
Example of Data Sent
by Master Station
Data Received
by Master Station
FFFF is returned.
CAUTION
If a parameter not existing in the D register table is read, an error will not occur. In this
case, 0 will be returned instead.
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