Notes On Use In Hazardous Areas According To Fm; Installing And Commissioning The Cm 1542-5 - Siemens CM 1542-5 Operating Instructions Manual

3.1.4

Notes on use in hazardous areas according to FM

EXPLOSION HAZARD
You may only connect or disconnect cables carrying electricity when the power supply is
switched off or when the device is in an area without inflammable gas concentrations.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only.
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.
EXPLOSION HAZARD
The equipment is intended to be installed within an ultimate enclosure. The inner service
temperature of the enclosure corresponds to the ambient temperature of the module. Use
installation wiring connections with admitted maximum operating temperature of at least
30 ºC higher than maximum ambient temperature.
3.2

Installing and commissioning the CM 1542-5

Read the system manual "S7-1500 Automation System"
Prior to installation, connecting up and commissioning, read the relevant sections in the
system manual "S7-1500 Automation System" (references to documentation, refer to the
section Guide to the documentation (Page 9)).
Make sure that the power supply is turned off when installing/uninstalling the devices.
Configuration
One requirement for the commissioning of the CP is the completeness of the STEP 7 project
data.
CM 1542-5
Operating Instructions, 11/2018, C79000-G8976-C290-04
WARNING
WARNING
WARNING
Installation, connecting up, commissioning, operation
3.2 Installing and commissioning the CM 1542-5
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