Parameterization - Siemens SIMATIC CM35 Manual

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4.2

Parameterization

Parameter data
Parameter block
CM35 Counter Module
(4) J31069-D0416-U001-A5-7618
The parameter data for the individual operating modes are combined into
parameter blocks. The required number of parameter blocks depends on the
operating mode which you selected.
The parameters must be transferred at least once to the CM35 after CPU
STOP ® RUN. After the data have been transferred correctly, the red SF
LED goes off and the module is ready for operation.
The parameters can be specified again during operation so that the individual
channels can be adjusted to the particular state of the process.
The parameter blocks can be transferred in any sequence. The order has no
effect on their use.
Note
Before a channel can be reparameterized, it must be stopped. The parameters
for a channel may not be changed or written while the channel is running.
A parameter block consists of the following.
- - A control word
- - Up to 6 words of data area (parameter data)
Table 4-1
Layout of a parameter block
Word
Word 1
Words 2 to 7
For the allocation and description of the parameter data for the individual
parameter blocks, see the description of the operating mode.
Data Communication with the CM35
Description
Control word
Parameter data
4-3

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