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Explanations:
For setting the TCP Connection Idle time. Default = 30s. For example, if you wish to set the idle time to 7
seconds manually, write 7 into BR13.
BR 33: Ret ur ning t o D ef a ult Set t in g
Explanations:
IFD9506 will return to default setting when "1" is written into BR33. BR33 will be cleared to "0" automatically
after the restoration.
3.5 Modbus Exception Codes Supported
When a communication error occurs, IFD9506 responds with the message: Node address of the master +
(function code sent by the master +0x80) + Exception Code
The exception codes are supported as below.
Exception code
0x01
0x02
0x03
0x04
0x0A
0x0b
For example, IFD9506 receives a message: "03 03 10 00 00 01", but the equipment of node address 03 does
not exist or does not make any response. IFD9506 will respond with "03 83 0b" which indicates there is no
response in the target station after the timeout set by DCISoft is exceeded.
DVP-PLC Operation Manual
Ethernet Communication Module IFD9506
Illegal function
Illegal data address
Illegal data value
The connection to the slave failed
Gateway path unavailable
Gateway destination device failed to respond
Explanation
15
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