Belden HIRSCHMANN GREYHOUND GRM Series, User Manual

Page: 13 / 80

Installa
tio
n
GRS1
020/
1120
/103
0/11
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Release
04
0
1/2020
13
SUITABLE FOR USE IN CLASS I DIVISION 2 GROUPS A, B ,C ,D HAZARDOUS LOCATIONS, OR NON-HAZARDOUS LOCATIONS ONLY.
For use in HAZARDOUS LOCATIONS only allowed for model numbers which are labelled accordingly.
1RQLQFHQGLYH¿HOGZLULQJFLUFXLWVPXVWEHZLUHGLQDFFRUGDQFHZLWKWKH
National Electrical Code (NEC), NFPA 70, article 501;CEC, Appendix J, Annex J18.
86%$1'5(/$<&217$&76)$8/7,QVWDOOSHU&RQWURO'UDZLQJ'15
WARNING – EXPLOSION HAZARD – SUBSTITUTION OF ANY COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I DIVISION 2.
WARNING – EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT WHILE THE CIRCUIT IS LIVE OR UNLESS THE AREA IS
KNOWN TO BE FREE OF IGNITABLE CONCENTRATIONS.
*) Notes:
7KHQRQLQFHQGLYH¿HOGZLULQJFLUFXLWFRQFHSWDOORZVLQWHUFRQQHFWLRQRIQRQLQFHQGLYH¿HOGZLULQJDSSDUDWXVDQGDVVRFLDWHGQRQLQFHQGLYH
¿HOGZLULQJDSSDUDWXVXVLQJDQ\RIWKHZLULQJPHWKRGVSHUPLWWHGIRUXQFODVVL¿HGORFDWLRQVZKHQFHUWDLQSDUDPHWULFFRQGLWLRQVDUHPHW
Capacity: C
a
•&
i
+ C
&DEOH
; Inductivity: L
a
•/
i
+ L
&DEOH
The
PD[LPXPFDEOHOHQJWK
has to be determined as follows:
DPD[FDEOHOHQJWK/
0
- L
i
&DEOH
C
RUPD[FDEOHOHQJWK/
a
- L
i
&DEOH
L
(“Cable
L
” denotes the inductance per unit length of used cable) and
EPD[&DEOH/HQJWK&
a
- C
i
&DEOH
C
(“Cable
C
” denotes the capacitance per unit length of used cable).
The lower value of (a) and (b) is to apply.
0DQXIDFWXUHGLQ1HFNDUWHQ]OLQJHQ*HUPDQ\E\+LUVFKPDQQ$XWRPDWLRQDQG&RQWURO*PE+
DOM: ww/yyyy (Date of manufacture w - week, y - year. Refer to the device label.)
CONTROL DRAWING - GREYHOUND series for use in HAZARDOUS LOCATIONS
Class I, Division 2, Groups A, B, C, D
Document No.: 000192283DNR Rev.: 0 Page 2/2