B&B Electronics MODSCAN32 - Manual - Manual (Page 46)

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ModScan OLE Automation Error Return Values
The following status codes may be returned from the ModScan application in response to an OLE
Automation request:
1-255 Modbus Exception Message as returned from slave device.
256 Invalid Data Point Handle
257 reserved
258 Invalid Data Point Address
259 reserved
260 reserved
261 reserved
262 Out-Of-Memory
263 Time-Out, (Data not received from slave)
264 reserved
265 Invalid checksum in response from slave
266 ModScan not connected to modbus network
267 reserved
268 reserved
269 Remote TCP/IP Server not connected
270 Data Uninitialized, (Values not valid)
271 ModScan Demo Time Expired