Siemens IP-Module Manual Pagina 268

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Start-Up IP 266
Check the following carefully:
- The hardware start limit switch defines the start of the traversing range,
and must be connected to PIN 3 on the terminal block.
- The hardware end limit switch defines the end of the traversing range, and
must be connected to PIN 5 on the terminal block.
Note:
You must observe the minimum distances when installing the limit switches, i. e.
there must be a sufficient distance for deceleration.
The hardware limit switches are properly connected.
ok
Emergency limit switches
The emergency limit switches must be directly connected to the power
section. When a hardware limit switch fails, the emergency limit switch must
ensure a reliable power section shutdown.
Check the following:
The connecting leads for the two emergency limit switches must be run
directly to the power section.
C A U T I O N :
Connecting the emergency limit switches to the IP 266 is not allowed.
The emergency limit switches are properly connected.
ok
8-2
EWA 4NEB 812 6057-02
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