Function description
Operating Manual PSSu E S INC 24V se(-T)
1001380-EN-04
23
Overview of function calls:
Function calls
Bit
Assignment
Transfer counter status via
zero pulse
0
0: Input C (zero pulse) inactive
1: Input C (zero pulse) active
Transfer counter status via
latch pulse or measure
period length
(1)
1
0: Input L (latch pulse) inactive/period length meas-
urement inactive
1: Input L (latch pulse) active/period length meas-
urement active
Set counter status
2
0: Do not transfer default counter status
1: Adopt default counter status
Monitor limit value
3
0: Limit value monitoring inactive
1: Limit value monitoring active
Invert output O0
4
0: Output O0 not inverted
1: Output O0 inverted
5 … 7 Reserved
(1)
Whether the period length is measured or the latch pulse is evaluated, must be defined in
the PSSu Configurator.
Status byte assignment:
Meaning
Bit
Assignment
Zero pulse
0
0: No zero pulse at input C
1: Zero pulse at input C
Latch pulse or period length
measurement
1
0: Period length or contents of latch memory not
transferred
1: Period length or contents of latch memory trans-
ferred
Default counter status
2
0: Default counter status not transferred
1: Default counter status transferred
Counter underflow
3
0: No counter underflow
1: Counter underflow
Counter overflow
4
0: No counter overflow
1: Counter overflow
Status input S, Bit 1
5
0: Status input, Bit 1 (message from encoder)
1: Status input, Bit 1
Status input S, Bit 2
6
0: Status input, Bit 2
(1)
1: Status input, Bit 2
Reserved
7
-
(1)
When configuring the module, users can determine the evaluation method for the status
input: single, redundant or diverse. Transmitting the status via two bits enables simple fault
detection: Two redundant bits must always be the same, two diverse bits must always be
different, otherwise the transmission is faulty.
