Ul Haz. Loc. Certification; General Safety Guidelines; Assembly And Installation; Operation - B&R Automation PC 3100 User Manual

10.2.6 UL Haz. Loc. certification

Ind. Cont. Eq.
for Haz. Locs.
Cl. I, Div. 2,
Groups ABCD
E180196 (T4)

10.2.6.1 General safety guidelines

APC3100 systems that are certified for use in potentially explosive atmospheres and bear the mark above are
suitable for use in Class 1, Division 2, Groups A, B, C and D or in nonexplosive atmospheres and correspond to
the following standards: UL Std. 61010-1, 3rd Edition, ANSI/ISA 12.12.01:2015, CSA Std. C22.2 No. 61010-1-12,
3rd Edition, CSA Std. C22.2 No. 213-16.

10.2.6.2 Assembly and installation

Explosion-protected devices must be used as intended and are only permitted to be operated by qualified and
instructed specialists in accordance with these installation instructions and the additional information in the user's
manual. Any other operation endangers the safety and function of the devices and connected systems. The oper-
ator is responsible for compliance with applicable safety and accident prevention regulations and standards.
Devices must be installed in a suitable protective housing that can only be opened using a tool. In order to en-
sure sufficient air circulation, the specified clearances must be observed. Use only in environments with pollution
degree 2. The maximum ambient temperature varies depending on the individual components used, see section
"Temperature specifications" on page
Before any installation or use of a device in potentially explosive atmospheres, the certification mark on the device
must be checked. Additional equipment must be suitable for the place of use. Final assembly must be approved
by the responsible local authorities. Wiring must be carried out in accordance with national regulations and the
requirements of the authorities.
Devices must be disconnected from the power supply until installation work has been completed. The tightening
torque for power supply terminals is 0.5 Nm. Cables must be suitable for a surface temperature of 75°C. APC3100
systems are only permitted to be operated with 24 VDC.
Unshielded/Ungrounded cables are never permitted to be used in potentially explosive atmospheres. Devices must
be securely connected to equipotential bonding. Power supply, communication and accessory cables must be
secured to the device or control cabinet. Power supply, communication and accessory cables are not permitted to
exert excessive strain on connections. Possible vibrations in the environment must be taken into account.

10.2.6.3 Operation

To switch APC3100 systems on/off in a potentially explosive atmosphere, either a switch must be located outside
the potentially explosive atmosphere or a switch certified for use in potentially explosive atmospheres must be used.
Danger!
Explosion hazard: Accessories are not permitted to be connected or disconnected when the power is
switched on unless the area is considered nonhazardous and is free of ignitable concentrations!
Explosion hazard: Replacing components may impair eligibility for Class I, Division 2!
Automation PC 3100 User's manual V 2.10
Products with this mark are tested by Underwriters Laboratories and listed as "indus-
trial control equipment for use in hazardous locations". The mark is valid for the USA
and Canada and facilitates the certification of your machines and systems in this eco-
nomic area.
Underwriters Laboratories (UL) per standard ANSI/ISA 12.12.01
Canadian (CSA) standard per C22.2 no. 213-16
The UL HazLoc certificates are available on the B&R website under
Certificates - HazLoc.
32.
International and national certifications
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