If TCP connection then driver command TCPTOMS controls this timeout. If using a Modbus driver written for a specific instrument, then it indicates a problem with the instrument definition file.ģ (18203) ILLEGAL DATA VALUE - The value being used is out of range for this parameter.Ĥ (18204) SLAVE DEVICE FAILURE - Contact your SpecView Representative.ĥ (18205) ACKNOWLEDGE - Device is busy, setting the Driver Command: ECR=5 may help.Ħ (18206) SLAVE DEVICE BUSY - Setting the Driver Command: ECR2=6 may help.ġ460 standard timeout. If using the Generic Modbus driver, then the address being used is invalid.ī. Thus, the Modbus error is 8, which is 'Parameter to be modified is write protected'.įor Instruments using the Modbus Protocol here is a list of the standard Modbus errors:ġ (18201) ILLEGAL FUNCTION - Indicates a driver problem, contact your SpecView Rep.Ģ (18202) ILLEGAL DATA ADDRESS - Indicates either:Ī.
#Modbus poll connection failed manual#
Subtract 18200 to get the error code and then consult the Protocol or Instrument manual for details.įor example, a Modbus Instrument could return Error Code 18208. Error codes in the range 18200 to 19103 are reserved for Protocol Specific errors returned by the equipment connected.
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