Pilz PSSu E S 2AI RTD - Manual (Page 13)

Function description
Operating Manual PSSu E S 2AI RTD(­T)
22017­EN­06 13
} Via a fieldbus with the modular device description file
With a modular device description file it is possible to configure all the values.
} Via the USB port of the head module, using the PSSuniversal Configurator
All the values can be configured using the PSSuniversal Assistant. Any configuration
via the USB port will overwrite the configuration made via the fieldbus.
If a module has been configured via the head module's USB port, it is locked and cannot be
overwritten by the fieldbus. This lock can be deactivated again in the PSSuniversal Config­
urator.
The following options exist for configuring the module in system environment B:
} Via the head module's USB port with PAS4000.
4.2.1 Measuring ranges
The input measuring ranges may be configured per input:
} Pt100 (Default)
} Pt200
} Pt500
} Pt1000
} Ni100
} Ni120
} Ni1000
} 0 ... 4000 Ohm (resistance measurement)
The temperature ranges for these measuring ranges can be found in the technical details.
4.2.2 Connection type
The measuring circuits for the temperature measurements may be configured per input:
} 2­wire measurement
} 3­wire measurement (default)
} Connection for 4­wire sensor
The module will detect an open circuit on the measuring lines. Should an open circuit occur,
the module will output 7FFF as the measured value. If resistance measurement is con­
figured, the module will output FFFF in the case of an open circuit. With a 4­wire sensor
connection, an open circuit on an individual measuring line will not be detected; con­
sequently, the measurement result will be corrupted.
4.2.3 Range monitoring
You can deactivate range monitoring for each input. Range monitoring refers to the meas­
uring range of the sensor which is configured for the input. This option is activated in the
default configuration. The module writes the result of range monitoring as follows:
} System environment A:
In the status byte (see PSSu assignment in system environment A [ 20] )
} System environment B: