Siemens SIMATIC NET S7-1200 - Notices regarding use in hazardous areas according to UL HazLoc; Installation

Installation, connecting up, commissioning
4.2 Installation
CP 1243-1 DNP3, CP 1243-1 IEC
Operating Instructions, 02/2014, C79000-G8976-C312-02
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4.1.3
Notices regarding use in hazardous areas according to UL HazLoc
WARNING
EXPLOSION HAZARD
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE
NON-HAZARDOUS.
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.
4.2
Installation
Prior to installation and commissioning
CAUTION
Read the system manual "S7-1200 Programmable Controller"
Prior to installation, connecting up and commissioning, read the relevant sections in the
system manual "S7-1200 Programmable Controller", refer to the documentation in the
Appendix.
When installing and connecting up, keep to the procedures described in the system manual
"S7-1200 Programmable Controller".
Pulling/plugging the module
NOTICE
Turning off the station when plugging/pulling the module
Before pulling or plugging the module, always turn off the power supply to the station.