Floating point registers, Connection status, Rtu and tcp error codes (a/b format) – Banner SureCross DX80 Wireless Networks User Manual

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• -17: NAMAILC_NOATTACHFILENAME
• -18: NAMAILC_NOATTACHDATA
• -19: NAMAILC_INVALIDATTACHSIZE
• -20: NAMAILC_TOOMANYATTACH
• -21: NAMAILC_INVAILDMAILID
• -22: NAMAILC_INVALIDUSERNAME
• -23: NAMAILC_INVALIDAUTHTYPE
• -24: NAMAILC_INVALIDLENGTH
• -25: NAMAILC_NOMEMORY
• -26: NAMAILC_NOTCONNECTED

Floating Point Registers

The floating point registers associated with each I/O point are assigned based on the following equation: 1000 + I/O# × 2 − 1. For exam-
ple:

I/O Point

Floating Point Register

1001, 1002

1003, 1004

1005, 1006

1007, 1008

1009, 1010

Connection Status

Connection status displays a non-zero error code when a socket error occurs.

Possible errors include:

• 104. Connection reset by peer
• 111. Connection refused
• 113. Connection aborted
• 114. Network is unreachable
• 116. Connection timed out
• 118. Host is unreachable
• 119. Connection in progress (connect unsuccessful and still trying)
• 205. Could not get host IP by name

RTU and TCP Error Codes (A/B Format)

Error codes (A/B format) indicate the following errors with the first number:

1. n/a for RTU (Transaction ID out of sync)
2. Exception code returned by remote device
3. Function code mismatch (bad packet)
4. Insufficient data (bad packet)
5. No response from remote device, timed out
6. CRC error in received packet

When A is code 2, indicating an exception code was returned, B indicates the exception as follows:

1. Illegal function code
2. Illegal data address (the requested register does not exist in the device)
3. Illegal data value

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