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Section 7
7
.2
Con
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V700-L11
User's Manual
Section 7
Troubleshooting
7.2.2 Response is available (response code is other than "00")
According to the response code in response data, check the following points.
■
Error in communication with upstream controller side
■
Communications error with IDRW head
■
Communications error with IDRW head
■
System error with IDRW head
Response code
Name
Typical checkpoint
"14"
Format error
• Command format (type and number of characters, number of pages, etc.)
"18"
Frame length error
Response code
Name
Typical checkpoint
"10"
Parity error
• Routing of IDRW head cable (adverse effect by external noise interference)
• Noise environment on power line of link unit
"11"
Framing error
"12"
Overrun error
"93"
IDRWH communication error
"9A"
IDRWH fault
• IDRW head not connected.
• Wrong connection of IDRW head extension cable (CS signal 0V, 5 V)
Response code
Name
Typical checkpoint
"70"
Communications error
• Mounting distance between ID tag and IDRW head(s)
• Noise environment around IDRW head cable (correct the location of head)
• Spacing to another IDRW head
"71"
Verify error
• Life of ID tag in terms of number of rewrite operations (100,000 cycles)
"72"
ID tag missing error
• Mounting distance between ID tag and IDRW head(s)
• Spacing to another IDRW head
"7A"
Address designation error
• Wrong page, or address/number of bytes with executed command
"7B"
Out of write area error
• Mounting distance between ID tag and IDRW head(s)
"7E"
ID system error (1)
• Operating environment of tag (damaged ID tag by misoperation or misuse)
• Model and specifications of ID tag used
"7F"
ID system error (2)
Response code
Name
Typical checkpoint
"7C"
IDRW head fault
(The equipment may have been damaged.)