Communications
C.39 Error handling
HydroRanger 200 HMI
344
Operating Instructions, 06/2018, A5E36281317-AC
C.39
Error handling
C.39.1
Modbus responses
When polled by a Modbus Master, a slave device will do one of the following:
1.
Not reply. This means that something went wrong with the transmission of the message.
2.
Echo back the command with the correct response (see the Modbus specification
http://www.modbus.org/specs.php
) for more details). This is the normal response.
3.
Return an Exception Code. This reflects an error in the message.
The device uses the following exception codes:
Code
Name
Meaning
01
Illegal Function
The function code received in the query is
not an allowable action for the slave.
02
Illegal Data Address
The data address received in the query is
not an allowable address for the slave.
03
Illegal Data Value
A value contained in the query data field is
not an allowable value for the slave.
Содержание HydroRanger 200 HMI
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Страница 20: ...Introduction 1 5 Notes on warranty HydroRanger 200 HMI 18 Operating Instructions 06 2018 A5E36281317 AC ...
Страница 24: ...Safety notes HydroRanger 200 HMI 22 Operating Instructions 06 2018 A5E36281317 AC ...
Страница 28: ...Description 3 5 Modbus communication HydroRanger 200 HMI 26 Operating Instructions 06 2018 A5E36281317 AC ...
Страница 159: ...Parameter reference 8 2 Parameter indexing HydroRanger 200 HMI Operating Instructions 06 2018 A5E36281317 AC 157 ...
Страница 276: ...Parameter reference 8 10 Language 6 HydroRanger 200 HMI 274 Operating Instructions 06 2018 A5E36281317 AC ...
Страница 322: ...Pump control reference B 13 Other pump controls HydroRanger 200 HMI 320 Operating Instructions 06 2018 A5E36281317 AC ...
Страница 352: ...Communications C 41 Single parameter access SPA HydroRanger 200 HMI 350 Operating Instructions 06 2018 A5E36281317 AC ...
Страница 354: ...Updating software HydroRanger 200 HMI 352 Operating Instructions 06 2018 A5E36281317 AC ...
Страница 359: ...HydroRanger 200 HMI Operating Instructions 06 2018 A5E36281317 AC 357 Conduit entry for Class I Div 2 applications F ...
Страница 360: ...Conduit entry for Class I Div 2 applications HydroRanger 200 HMI 358 Operating Instructions 06 2018 A5E36281317 AC ...
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Страница 372: ...Programming chart G 1 Programming chart HydroRanger 200 HMI 370 Operating Instructions 06 2018 A5E36281317 AC ...
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