1 introduction, 1 validity of documentation, 1 retaining the documentation – Pilz PSSu K F FCU User Manual
Page 5: 2 terminology: system environment a and b, Section 1, Introduction, Validity of documentation, Retaining the documentation, Terminology: system environment a and b

Introduction
Operating Manual PSSu K F FCU
1002391-EN-04
5
Introduction
Validity of documentation
This documentation is valid for the product PSSu K F FCU. It is valid until new documenta-
tion is published.
This operating manual explains the function and operation, describes the installation and
provides guidelines on how to connect the product.
Retaining the documentation
This documentation is intended for instruction and should be retained for future reference.
Terminology: System environment A and B
The PSSu system can be used in two different system environments. The module's applica-
tion area is described in the chapter "Intended Use" of the manual.
The distinction is made between
}
PSSu in system environment A
}
PSSu in system environment B
The distinction is based on the application area of the PSSu system.
PSSu in system environment A may be used in the
}
Decentralised system PSSu I/O with SafetyBUS p
}
Decentralised system PSSu I/O with ST fieldbuses such as CANopen, DeviceNet but
}
Not in the automation system PSS 4000
PSSu in system environment B may be used in the
}
Automation system PSS 4000, e.g. with the
– Decentralised system PSSu I/O with SafetyNET p
– Control system PSSu PLC
– Control system PSSu multi
The module PSSu K F FCU is exclusively for use in system environment B (automation
system PSS 4000).
1
1.1
1.1.1
1.1.2