Belden Hirschmann GREYHOUND GMM20, Руководство пользователя

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Installation GREYHOUND Switch
Release 07 10/2020
11

Relevant for use in explosion hazard areas (Hazardous
Locations, Class I, Division 2)
Control Drawing for GRS 1042/1142 devices for use in Hazardous
Locations according to ANSI/ISA12.12.01-2015 Class I, Division 2,
Groups A, B, C, D
Rev.: 0 Document No.: 000205339DNR Page 1/2
Ordinary Location,
Non-Hazardous Area,
Non-Explosive Atmosphere
Explosive Atmosphere Class I
Division 2, Groups A, B, C, D
Hazardous Location
The use in Hazardous Locations is only allowed for GRS 1042/1142 model numbers
which are individually labelled:
“FOR USE IN CLASS I, DIVISION 2 HAZARDOUS LOCATIONS”
Nonincendive fi eld wiring circuits must be wired in accordance with the National Electrical
Code (NEC), NFPA 70 , article 501. CEC, Appendix J, Annex J 18.
The earth conductor must be at least the same wire size (mm² or AWG) as the supply con-
ductors.
WARNING – EXPLOSION HAZARD – SUBSTITUTION OF ANY COMPONENTS MAY
IMPAIR SUITABILITY FOR HAZARDOUS LOCATIONS OR EXPLOSIVE
ATMOSPHERES.
WARNING – EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT UNLESS
POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE
NON-HAZARDOUS.
Explosive Atmosphere Class I, Division 2, Groups A, B, C, D Hazardous Location
USB connection:
Equipment with non-incendive fi eld wiring parameters.
USB entity parameters:
V
OC
≤ 5.5 V I
SC
≤ 1.25 A C
a
≤ 10 μF L
a
≤ 10 μH
Relay contacts:
Equipment with non-incendive fi eld wiring parameters.
The relay terminals are dependent upon the following
entity parameters:
V
max
≤ 30 V I
max
≤ 90 mA C
i
≤ 2 nF L
i
≤ 1 μH
USB
Pin 1 and 4
SD
(Maintenance only) Signal Contact
(Closed: OK;
Open: FAULT)
Ordinary location, no explosion hazard