Installation RS20/22/30/32/40
Release 07 10/2021
15
CONTROL DRAWING: Hazardous Locations Class I, Division 2, Groups A, B ,C ,D
Notes:
The nonincendive field wiring circuit concept allows interconnection of nonincendive field wiring apparatus
and associated nonincendive field wiring apparatus using any of the wiring methods permitted for
unclassified locations when certain parametric conditions are met.
C
a
C
i
+ C
Cable
; L
a
L
i
+ L
Cable
Nonincendive field wiring circuits must be wired in accordance with the National Electrical Code (NEC),
NFPA 70 , article 501.
Nonincendive Field Wiring Parameters:
Entity Parameters
... for Class I, Division 2, Groups A,B,C,D =>
V
max
[V]
I
max
[mA]
C
i
[nF]
L
i
[µH]
Fault contacts
30 90 2.5 1.0
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.
DO NOT OPEN WHEN ENERGIZED.
:
CONTROL DRAWING for RS20, RS22, RS30, RS32 and RS40 Family
Size A4
Document No.: 000157671DNR
Rev. 0
Date: 2011-09-21
Sheet 1 of 1
NON HAZARDOUS LOCATION
USB Port for Auto Configuration
Adapter.
For maintenance only
See
P1
P2
HAZARDOUS LOCATION
Fault contacts. Equipment with nonincendive
field wiring parameters:
V<30V I<90mA L
i
<1,0µH C
i
<2.5nF
USB Port for Auto Configuration Adapter.
For maintenance only – See Installation
Instructions
USB Port for Auto Configuration Adapter.
For maintenance only – See Installation
Instructions
Power supply (Redundant: P1 P2)
Type “P”: 48Vdc
(47Vdc min. … 52Vdc max.)
Fault contacts. Equipment with nonincendive
field wiring parameters:
V<30V I<90mA L
i
<1,0µH C
i
<2.5nF
Power supply:
(Redundant: P1 P2)
Type “D”: 9.6Vdc – 60Vdc
P1
P2
P1
P2
