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3.1
Installation of the CM35
3.1.1
Mounting the CM35
Preparation
Slot
Physical
setup
Installation
position
CM35 Counter Module
(4) J31069-D0416-U001-A5-7618
Before physical installation is begun, the appropriate safety precautions must
be taken and the following points complied with or clarified.
Was the module still in its original packaging?
S
Check the delivery for transportation damages.
S
Check the delivery for completeness.
S
If you discover damages or deficiencies, please contact
your SIEMENS representative.
The S7 interface of the CM35 corresponds to the serial I/O bus (P bus) of
the SIMATIC S7-300.
All slots on the SIMATIC S7 which can be assigned to signal modules (SM)
are available to the CM35.
For additional information, see the manual of the SIMATIC S7- - 300.
The maximum number of CM35 modules which can be installed on SIMA-
TIC programmable controllers depends on the following factors.
Maximum number of modules in the central rack/expansion unit or the
S
modular ET 200M I/O device
Memory requirements of the S5/S7/C7 CPU
S
Maximum permissible current consumption (5 V) from the S7 backplane
S
bus
For information on possible physical setups and how to configure, see
manual /70/.
Horizontal installation is recommended. When vertical installation is used,
remember that environmental temperatures are restricted (max. of 40° C).
Commissioning
3-3
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