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I
Incremental
encoder
M
Memory reset
O
Organization block
(OB)
P
Parameter
Parameterization
PLC
PROFIBUS
PROFIBUS
address
CM35 Counter Module
(4) J31069-D0416-U001-A5-7618
Incremental encoders count small increments to acquire paths, positions,
speeds, revolutions, and dimensions, among others.
A memory reset deletes the following memory of the CPU.
Work memory
S
Read/write area of the load memory
S
System memory except for the MPI parameters and the diagnostic buffer
S
Organization blocks are the interface between the CPU's operating system
and the user program. The organization blocks specify the sequence in which
the user program is processed.
1. A variable of a STEP 7 code block
2. A variable which specifies the reaction of a module (one or more reactions
per module). Each module comes with a realistic basic setting. You can
change this basic setting with the STEP 7 tool HW Config.
There are two kinds of parameters - - static parameters and dynamic parame-
ters.
Parameterization sets the reaction of a module.
Programmable Logic Controller
PROcess FIeld BUS is the German process and fieldbus standard which is
specified in the PROFIBUS standard (DIN 19245). This standard specifies
the functional, electrical and physical characteristics for a bit- - serial fieldbus
system.
Each bus station must have an address which identifies it unambiguously to
PROFIBUS.
PCs/PGs or the ET 200- - Hardheld have PROFIBUS address ²0.²
The DP master and the DP slaves have a PROFIBUS address from 1 to 125.
Glossary
Glossary-3
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