8920-PS-DC Power supply of module

Description

power for 2/1 (IS) modules
◆ 12 V DC output
◆ 24 V DC (nominal) input
◆ 5 A capacity
◆ supports load sharing for redundancy
MODULE SPECIFICATION
HAZARDOUS AREA APPROVALS
Location of power supply ……………………………Safe area or
……………….Class 1, Div 2, Group A, B, C, D hazardous location
…………………………………………..Zone 2, IIC T4 hazardous area
Output ……………………………………………..Galvanically isolated
………………………………………………Voltage clamped; Un = 18 V
Applicable standards:
◆ Factory Mutual Research Co., Class No. 3611 for Class I,
Division 2, Groups A, B, C, D hazardous locations
◆ Factory Mutual Research Co., Class No. 3610 for
Class I, II, III, Division 1, Groups A – G hazardous locations
(IS circuits)
◆ EN 50020:1994 Electrical apparatus for potentially explosive
atmospheres, intrinsic safety “i”
◆ EC Directive 94/9/EC (ATEX)
ELECTRICAL
EMC compliance……………… To EN 50081-2 and EN 50082-2
……………………………………generic emission/immunity standards
……………………………EN 61000-3-2:1995 EN 61000-3-3:1995
Electrical safety . EN 61010-1:1993 and Amendment A2:1995
…………………………………………………….and EN 61131-2:1994
OUTPUT
Output voltage………………………………………….12 V dc ± 5%
Output current ……………………………………………………….5 A
Input/Output isolation 250 V ac rms(tested at 1500 V ac rms)
INPUT
Input voltage…………………………………………….18.5–36 V dc
Efficiency (at full load)
18.5 V input at 4.1 A ………………………………………………..76%
24 V input at 3.3 A……………………………………………………78%
36 V input at 2.1 A ………………………………………………..76.5%
Input connection …………2-part screw terminal, each duplicated
Cable size ………………………………………………2.5 mm2 (max.)
ENVIRONMENTAL
Operating temperature (no forced ventilation)
(60% of full load) …………………………………….– 40°C to + 70°C
Optimum orientation(full load) ……………………..– 40°C to + 55°C
Worst case orientation ……………………………….– 40°C to + 50°C
Storage………………………………………………….– 40°C to + 85°C
Relative Humidity…………………5 to 95% RH (non-condensing)
Vibration…………………..2 g @ 10-100 Hz to BS EN 60068-2-6
……………………………………………………..and BS 2011- part 2.1
Shock ……………..10 g, 11 ms pulse width, to BS EN60068-2-27
MTBF @ 50°C external ambient …………………………..80,000 hrs
Ingress Protection ……………….IP20 to IEC 529/BS EN 60529
(tested on power supply carrier with all supply connectors in place)
Corrosive atmospheres: To withstand gaseous corrosion level
G3 as defined by ISA Standard SP71.04:1995, when protected by
a suitable field enclosure.
MECHANICAL
Dimensions (approx.)……………..84 (w) x 110 (h) x 160 (d) mm
Carrier mounting …………………………………..type 8724-CA-PS
Weight………………………………………………………………1290 g
I

8920-PS-DC