Siemens SIMATIC TIM 3V-IE DNP3 - Notices on Use in Hazardous Areas According to UL Hazloc; Installing the TIM Modules

Installation and commissioning
4.2 Mounting and connecting up a TIM
TIM DNP3
66 System Manual, 12/2015, C79000-G8976-C253-04
WARNING
If the cable or conduit entry point exceeds 70 °C or the branching point of conductors
exceeds 80 °C, special precautions must be taken. If the equipment is operated in an air
ambient in excess of 50 °C, only use cables with admitted maximum operating temperature
of at least 80 °C.
WARNING
Take measures to prevent transient voltage surges of more than 40% of the rated voltage.
This is the case if you only operate devices with SELV (safety extra-low voltage).
4.2.1.3
Notices on 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.
4.2.2
Installing the TIM modules
Both DNP3 TIM types can be installed as a CP in an S7-300 device.
DANGER
Only 1 DNP3 TIM per station.
Only 1 DNP3 TIM can be installed per S7 station.
The TIM 4R-IE DNP3 can also be mounted as a standalone device on an S7-300 rail and
then communicates via Ethernet with S7-400, S7-400H or S7-300 CPU modules and/or a PC
control center.
The following sections describe how to mount the devices as a CP or standalone device.