Wavelength Electronics LFI-3751, User Manual

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Chapter 4 - Remote Interface Reference
End Code Reference
21 - PASSWORD Required
The Command Packet attempts to write password protected data. The
[PASSWORD] command must be issued fi rst.
22 - Command Number Not Implemented
The Command Packet uses a Command Code that is not recognized.
23 - Calculated FCS does not Match Transmitted FCS
The Frame Check Sum is used to verify proper transmission of data.
If the calculated FCS does not match the transmitted FCS, either the
data was corrupted in transmission or the FCS in the
Command Packet
was incorrectly calculated.
24 - Parser Programming Error
Please contact the factory if a Response Packet returns this End Code.
25 - Invalid Data Character
The parser expects only a ‘0’ or ‘1’ in one of the data characters. Some
other ASCII value was transmitted.
26 - Query Calculation Error
The LFI-3751 was unable to calculate the requested measurement. Data
in the
Response Packet is ‘+999.999’. This occurs when the sensor is open
or shorted. This also occurs when the sensor is improperly confi gured
or out of the temperature range.
27 - Sensor Data not Updated
Sensor confi guration data cannot be changed while the Output is ON.
81 - RS-232 Lamp Control Write Error
The [LAMP CONTROL] command allows only one test condition at a
time. Only one of the data characters can be a ‘1’.