Pilz PSSu E F DI OZ 2 - Manual (Page 13)

Function description
Operating Manual PSSu E F DI OZ 2(­T)(­R)
21328­EN­05 13
4 Function description
4.1 Module features
4.1.1 Functions
Module supply
} The module supply provides the module with voltage.
Signals at the output
} “0” signal (0 V) at the output (O0+/O0­):
} Output is high impedance
– No current to the load
} “1” signal (+24 V) at the output (O0+/O0­):
} Output is low impedance
– Current is supplied to the load
Periphery supply
} The module routes the periphery supply from the module bus to the base module ter­
minals.
} The periphery supply is used to supply the outputs.
Input
} The input status is signalled to the head module via the module bus.
} The input has an input filter.
Output
} The head module sets the output status via the module bus.
} The max. capacity at an output depends on the load (see characteristic). Connecting a
higher capacity may lead to an error.
} Operation with electronic contactors has not been tested and may lead to errors.
Please contact our Customer Support team if you are using electronic contactors.
} Open circuit detection
} Cannot be used as a single­pole output
Test pulse output
} Test pulses can be switched on or off.
} Test pulses are switched off in the default setting.
} When test pulses are switched off, the periphery supply is constantly available at the
output.
Output test
} An output that is switched on is checked via regular off tests.
} Test pulses for outputs that are switched on: see technical details
– Outputs that are switched on are switched off for the duration of the test pulse.
– The load must not switch off because of the test.
– The output tests cannot be switched off.