INFICON PSG55x ATM to Medium Vacuum Gauge (RS232C / RS485C) - Manual (Page 5)

tira59e1 (2010-07) RS232C.cp
5
If a communication error occurs during transmission the PID is set to 0xFFFF and
an error byte is added.
Byte 0, errors
Error Code Description
1 Access error
2 Value higher max. or lower min.
3 Parameter not found
4 Length error
6 Memory access error
7 Memory access timeout
The following parameters can be read via a serial interface.
PID Name Description
Factory
setting Min. Max. Type
221 Pressure Output pressure in integer format Fixs32en20
222 Pressure
Pressure in vacuum chamber in Real
format
Real32
265 ATM Pressure Ambient pressure in real format Real32
466 Differential Pressure
Differential pressure outside and inside
vacuum chamber
Real32
224 Data Unit
Changes the pressure unit of all Real32
pressures.
0 mbar
1 Torr
2 Pascal
3 micron
4 Counts 0 0 4 Uint8
PID Name Description
Factory
setting Min. Max. Type
228 Device Exception
0 No error
1 Timeout EEPROM memory access
2 EEPROM CRC error
3 EEPROM error
4 Pirani filament rupture
5 Wrong filament material
6 CDG diaphragm rupture
8 ATM outside specification limits
11 Sensor does not match gauge 0 Uint8
Communication Error
Protocol Description
Output pressure
Error