DO821 digital output module relay 3BSE013250R1

Description

The DO821is an 8 channel 230 V a.c./d.c.relay(NC) output module
for the S800 I/O. The maximumoutputvoltage is 250 V a.c. and the
maximumcontinuous output currentis 3 A. All outputs are
individuallyisolated. Each output channel consists of optical
isolation barrier, output state indication LED,relay driver,relay and
EMC protection components. The relay supplyvoltage supervision,
derived fromthe 24 V distributed on theModuleBus, gives an error
signal if the voltage disappears, and the Warning LED turns on. The
error signal can be read via theModuleBus. This supervision can be
enabled/disabledwith a parameter.

General info
Type Digital Output
Signal specification 230 V a.c./d.c. (5-250 V a.c./d.c.), 3 A
Article number 3BSE013250R1
Number of channels 8
Signal type Relay(NC)
HART No
SOE No
Redundancy No
High integrity No
Intrinsic safety No
Mechanics S800

Detailed data
Isolation Individuallyisolated, channel-to-channel and to circuit common
Current limiting Can be current limited bythe MTU
Maximum field cable length 600meters (656 yards)
Rated insulation voltage 250 V
Dielectric testvoltage 2000 V a.c.
Power dissipation Typ. 2.9 W
Current consumption +5 VModulebus 60mA
Current consumption +24VModulebus 140mA
Current consumption +24V external 0
Diagnostics
Front LED’s F(ault), R(un), W(arning), O(SP), Channel 1-8 Status
Supervision 24/ 12 V Relay power converter monitor
Status indication of supervision Module Error, Module Warning, Channel error
Environment and certification
CE mark Yes
Electrical safety IEC 61131-2, UL 508
Hazardous Location –
Marine certification ABS, BV, DNV-GL, LR, RS, CCS
Protection rating IP20 according to IEC 60529
Corrosive atmosphere ISA-S71.04 G3
Climatic operating conditions
0 to +55 °C (Storage -40 to +70 °C), RH=5 to 95 % no condensation, IEC/EN
61131-2
Pollution degree Degree 2, IEC 60664-1
Mechanical operating conditions IEC/EN 61131-2
EMC EN 61000-6-4, EN 61000-6-2
Overvoltage categories IEC/EN 60664-1, EN 50178
Equipment class Class I according to IEC 61140; (earth protected)
Max ambient temperature 55 °C (131 °F), forvertical mounting in compact MTU 40 °C (104°F)
RoHS compliance DIRECTIVE/2011/65/EN (EN 50581:2012)
WEEE compliance DIRECTIVE/2012/19/EU
Compability
Use withMTU TU811, TU813, TU831, TU836, TU837, TU851
Keying code CA
Dimensions
Width 45 mm (1.77”)
Depth 102 mm (4.01”),111 mm (4.37”) including connector
Height 119 mm (4.7”)
Weight 0.23 kg (0.5 lbs.)

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