4.1
Module features
4
Function description
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]
4-2
Timing diagram
Input: Signal at the input
PII: Status of process image (PII)
t
1
Minimum processing time (see Technical details)
t
2
Maximum processing time (see Technical details)
t
3
Scan time of module bus
Shaded area: Status of process image (PII) undefined.
4.1.2
Integrated protection mechanisms
Integrated protection mechanisms
4-
][Schutzmechanismen E/A-Module
When the PSSu E F PS1(-T) is used to supply the system, the module
supply is buffered for 20 ms if the supply voltage is interrupted.
][Schutzmechanismen FS-Eingang
Test pulse signals are always buffered for 20 ms.
The module provides the following diagnostic data:
Start-up error
Configuration error
FS communication error
Bus termination error
Temperature error: Too warm
Test pulse error
Input error
4.1.3
Reaction times
Reaction times
4-
][Funktionsbeschreibung_BA Reaktion Ein
Information on the reaction times of the inputs can be found in the
PSSuniversal System Description.
Input
PII
t
2
+t
3
t
t
1
t
1
t
2
+t
3
t
1
