Mô đun ABB DI821 S800 I/O Module DO820 3BSE013250R1 DIGITAL OUTPUT MODULE 8 CH 230 V a.c./d.c
ABB DI821 S800 I/O Module DO820 3BSE013250R1 DIGITAL OUTPUT MODULE 8 CH 230 V a.c./d.c
Description of DO821
The DO821 is an 8 channel 230 V a.c./d.c. relay (NC) output module for the S800 I/O. The maximum output voltage is 250 V a.c. and the maximum continuous output current is 3 A. All outputs are individually isolated. Each output channel consists of optical isolation barrier, output state indication LED, relay driver, relay and EMC protection components. The relay supply voltage supervision, derived from the 24 V distributed on the ModuleBus, gives an error signal if the voltage disappears, and the Warning LED turns on. The error signal can be read via the ModuleBus. This supervision can be enabled/disabled with a parameter.
General Information
| 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 | Individually isolated, channel-to-channel and to circuit common |
| Current limiting | Can be current limited by the MTU |
| Maximum field cable length | 600 meters (656 yards) |
| Rated insulation voltage | 250 V |
| Dielectric test voltage | 2000 V a.c. |
| Power dissipation | Typ. 2.9 W |
| Current consumption +5 V Modulebus | 60 mA |
| Current consumption +24 V Modulebus | 140 mA |
| Current consumption +24 V 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 |
I/O Modules
| AI801 | AI810 | AI815 | AI820 | AI825 |
| AI830A | AI835A | AI843 | AI845 | AI880A |
| AI890 | AI893 | AI895 | AO801 | AO810V2 |
| AO815 | AO820 | AO845A | AO890 | AO895 |
| DI801 | DI802 | DI803 | DI810 | DI811 |
| DI814 | DI818 | DI820 | DI821 | DI825 |
| DI828 | DI830 | DI831 | DI840 | DI880 |
| DI890 | DO801 | DO802 | DO810 | DO814 |
| DO815 | DO818 | DO820 | DO821 | DO828 |
| DO840 | DO880 | DO890 | DP820 | DP840 |
Features and benefits
- 8 channels for 230 V a.c./d.c. relay Normal Closed (NC) outputs
- 8 isolated channels
- Output status indicators
- OSP sets outputs to predetermined state upon error detection
Compability
| Use with MTU | TU811, TU813, TU831, TU836, TU837, TU851 |
| Keying code | CA |
Dimensions
| Height | 119 mm (4.7”) |
| Width | 45 mm (1.77”) |
| Depth | 102 mm (4.01”), 111 mm (4.37”) including connector |
| Weight | 0.23 kg (0.5 lbs.) |
Some ABB items sold by WTL:
WTL is not liable for any personal injury or property damage resulting from the use of this equipment. It is
buyer’s responsibility as to the safe handling & operation of this equipment and to verify equipment is
compliance to their machinery.
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