Enclosure Selection; Jog Or Inch Switch - Siemens SIMATIC TI525 Hardware And Installation Manual

D
Bypass the programmable control system with an external JOG or
INCH switch during machine loading or setup operations. See
Figure 2-3.
Outputs from the
programmable controller
2.3

ENCLOSURE SELECTION

As a minimum, an enclosure for a PLC should provide the following:
D
Easy access to components
D
A common ground potential on the cabinet
D
A secure vertical panel or rails
D
Conformance to electrical standards
D
An electromagnetic shield
D
Access restricted to authorized personnel only
D
Protection from dust, dirt and moisture in an industrial environment
Hardware and Installation User Manual
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PRE-INSTALLATION
Switch or contact
Jog
closed in the jog
or inch mode
Switch or contact
open in the JOG
or INCH mode
Output
Module
Figure 2-3 JOG or INCH Switch
2-6
User-supplied
critical loads
which could
cause injury