A8814 Acq
Page 29
Modbus Error:
If the error value is not 0, the remainder of the columns for this line will be reported as NULL.
1
Operation not permitted
2
No such file or directory
3
No such process
4
Interrupted system call
5
Input/output error
6
No such device or address
9
Bad file descriptor
11 Resource temporarily unavailable
12 Cannot allocate memory
13 Permission denied
16 Device or resource busy
19 No such device
23 Too many open files in system
24 Too many open files
26 Text file busy
28 No space left on device
32 Broken pipe
52 Invalid Exchange
101 Network is unreachable
110 Connection timed out
111 Connection refused
113 No route to host
129 Illegal Function (function was not allowed by the slave device)
130 Illegal Data Address (the data address is not allowed by the slave device)
131 Illegal Data Value
132 Illegal Response Length
138 Gateway Path Unavailable (the Modbus/TCP gateway may be misconfigured)
139 Device Failed to Respond (the Modbus device may be off or disconnected)
140 Received invalid Modbus data checksum
141 Received response from unexpected device
142 Received unsolicited query, assume another Modbus master device is present.
143 Modbus device probe function received some good responses and some failures.
160 Start log (Entry in log file after AcquiSuite starts up)
161 Stop log (Entry in log file if AcquiSuite is shut down properly)
162 System time changed, caused logger to restart logging for intervals.
163 System auto-restart
164 Log entry corrupt.
165 Modbus device restart detected.
192 Modbus device does not match the device type in the configuration file.
193 Modbus device's serial number changed. (could be two devices with the same Modbus address)
Low/High Range Alarms:
This number is a hex representation showing which data points are out of range. 0x01
shows data point 1 in alarm state. 0x04 shows data point 3 in alarm state.
Data Points:
Data points are shown in the same order as the modbus device configuration display in the
modbus/device list page. Data is displayed in floating point form. When a specific point is unavailable (4A4P-M
broken wire alarm) or the point is not supported as part of the configuration (phase B current on a single phase
H8163 meter hookup) the point will be logged as blank. This preserves the column structure of the file, and
allows notation of invalid data. SQL databases often accept blank or NULL as a valid entry in a data table to
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