Siemens SIMATIC C7-626, Installation, Assembly, Wiring

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Glossary-4
C7-626 / C7-626 DP Control Systems
C79000-G7076-C626-01
Flash EPROM
Grounding with the sole purpose of ensuring the intended purpose of the
electrical resources. Function grounding has the effect of short-circuiting
interference voltages that would otherwise have an impermissible influence
on the resources.
A function module is a module that offloads the CPU of the S7-300 and
S7-400 programmable controllers of time-critical or memory-intensive
process signal handling tasks. FMs generally use the internal bus for
high-speed data exchange with the CPU. Examples of FM applications
include counting, positioning, closed-loop control.
G
Conductive ground whose electrical potential at any point can be taken as
zero.
In the area of grounding electrodes, the ground can have a potential other
than zero. This is frequently referred to as the “reference ground”.
To connect an electrically conductive part with the grounding electrode (one
or more conductive parts that have very good contact to ground) by means of
a grounding point.
H
A hardware interrupt is triggered by interrupt-triggering modules as the result
of certain events in the process. The hardware interrupt is signaled to the C7
CPU. Depending on the priority of the interrupt, the corresponding
organization block is then executed.
I
The information functions of STEP 7 permit the display of status information
on the programming device via one or more C7 systems during the various
startup phases and during operation of a programmable controller.
Flash Memory
Function
Grounding
Function Module
(FM)
Ground
Ground (verb)
Hardware Interrupt
Information
Function
Glossary