Mô đun ABB S800 Series Analog Input Module AI895 3BSC690086R1, 8 channel, 4-20mA/Hart
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ABB S800 Series Analog Input Module AI895 3BSC690086R1, 8 channel, 4-20mA/Hart
Description of AI895 :
The AI895 Analog Input Module can directly interface 2-wire transmitters and with a particular connection it can also interface 4-wire transmitters without losing the HART capability. The AI895 Analog Input Module has 8 channels. The module includes Intrinsic Safety protection components on each channel for connection to process equipment in hazardous areas without the need for additional external devices. Each channel can power and monitor a two-wire process transmitter and HART communication. The input voltage drop of the current input is typically 3 V, PTC included. The transmitter supply for each channel is able to provide at least 15 V at a 20 mA loop current to power Ex certified process transmitters and is limited to 23 mA in overload conditions.
TU890 and TU891 Compact MTU can be used with this module and it enables two wire connection to the process devices without additional terminals. TU890 for Ex applications and TU891 for non Ex applications.
General Information
| Type | Analog Input |
| Signal specification | 4…20 mA |
| Article number | 3BSC690086R1 |
| Number of channels | 8 |
| Signal type | Unipolar single ended |
| HART | Yes |
| SOE | No |
| Redundancy | No |
| High integrity | No |
| Intrinsic safety | Yes |
| Mechanics | S800 |
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 |
Detailed data
| Resolution | 12 bit |
| Isolation | Groupwise isolated from ground |
| Under/over range | 1.5 / 22 mA |
| Error | Typ. 0.05%, Max. 0.1% |
| Temperature drift | Typ. 100 ppm/°C |
| Input filter (rise time 0-90%) | 20 ms |
| Current limiting | Built in current limited transmitter power |
| CMRR, 50Hz, 60Hz | >80 dB |
| NMRR, 50Hz, 60Hz | >10 dB |
| Rated insulation voltage | 50V |
| Dielectric test voltage | 500V a.c. |
| Power dissipation | 4.75 W |
| Current consumption +5 V Modulebus | Typ. 130 mA |
| Current consumption +24 V external | Typ. 270 mA, Max. <370 mA |
Diagnostics
| Front LED’s | F(ault), R(un), W(arning), Tx (HART communiation) |
| Supervision | Internal process supply |
Features and benefits
• 8 channels for 4…20 mA, single ended unipolar inputs.
• HART communication.
• 1 group of 8 channels isolated from ground.
• Power and monitor for Ex certified two-wire transmitters.
• Non energy-storing analog inputs for externally powered sources.
Compability
| Use with MTU | TU890, TU891 or TU891Z |
| Keying code | AE |
Dimensions
| Height | 119 mm (4.7”) |
| Width | 45 mm (1.77”) |
| Depth | 102 mm (4.01”), 111 mm (4.37”) including connector |
| Weight | 0.2 kg (0.44 lbs.) |
Terminal:
| TU814V1 | TU810V1 | TU833 | TU838 | TU812V1 | TU850 | TU830V1 |
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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