Display Of Information; Safety Instructions; Symbols; Designations - Bosch Rexroth PRC 7 00-L /W 1000 Serie Typspezifische Anleitung

R911404358 | PRC 7x00-Lx/Wx-1000 Bosch Rexroth AG | Electric Drives and Controls
1.3

Display of information

In order to enable you to work with your product in a fast and safe way, uniform
Safety instructions, symbols, terms and abbreviations are used. For a better
understanding they are explained in the following sections.
1.3.1

Safety instructions

For safety instructions refer to Tab. 1: Required and supplementary
documentation Rexroth PRC7000 Process Resistance Welding Control
Instructions and Rexroth Weld Timer Safety and user information.
1.3.2

Symbols

The following symbols mark notes that are not safety-relevant but increase the
understanding of the documentation.
Tab.2: Meaning of the Symbols
Symbol Meaning
If this information is disregarded, the product cannot be
used and or operated to the optimum extent.
Single, independent step

1. Numbered step:
2. The numbers specify that the Steps are completed one
after the other.
3.
1.3.3

Designations

This documentation uses the following designations:
Tab.3: Designation
Designation Meaning
ELMO
Electromotive
FQF Force Quality Factor, Value for the welding quality, derived from the
characteristic of the counterforce to the tips during a weld.
IoT
(Internet of Things) is a collective term for technologies of an
infrastructure that enables physical and virtual objects to work
together.
KSR
Constant current regulation
MOV
Metal oxide varistor
PHA Phase angle
PRC 7000 Process Resistance Welding Control
PRI 7000 Process Resistance Welding Interface
PSG xxxx
Medium-Frequency Welding Transformer 1000Hz
PSF
Prozess stability
Q-stop Using the "Q Stop" function, the weld timer can detect any problems
occurring in the PSF, UIP or FQF parameters, which can be
signalled to the operator and/or the PLC. With the help of a program-
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