Mô đun New ABB I O Module 3BSE023675R1 AI845 Analog Input. Redundant or Single 1x8ch. HART
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New ABB I O Module 3BSE023675R1 AI845 Analog Input. Redundant or Single 1x8ch. HART
Description of AI845 :
The AI845 Analog Input Module for single or redundant applications. The module has 8 channels. Each channel can be either a voltage or current input when MTU TU844 or TU845 is used, when other MTUs are used all channels become voltage or current inputs.
The voltage and current input is able to withstand an overvoltage or undervoltage of at least 11 V d.c. The input resistance for voltage input is greater than 10 M ohm and the input resistance for current input is 250 ohm.
The module distributes the external HART compatible transmitter supply to each channel. This adds a simple connection to distribute the supply to 2-wire or 3-wire transmitters. The transmitter power is supervised and current limited.
General Information
| Type | Analog Input |
| Signal specification | 0..20mA, 4..20 mA, 0..5 V, 1..5 V |
| Article number | 3BSE023675R1 |
| Number of channels | 8 |
| Signal type | Unipolar single ended |
| HART | Yes |
| SOE | No |
| Redundancy | Yes |
| High integrity | No |
| Intrinsic safety | No |
| 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 |
| Input impedance | 10 MΩ (voltage input) 250 Ω (current input incl. PTC) |
| Isolation | Groupwise isolated from ground |
| Under/over range | 0 / +15% |
| Error | Max. 0.1% |
| Temperature drift | Max. 50 ppm/°C |
| Input filter (rise time 0-90%) | 290 ms |
| Update cycle time | 10 ms |
| Current limiting | Built in current limited transmitter power |
| Maximum field cable length | 600 meters (656 yards) |
| Max input voltage (non destructive) | 11 V d.c. |
| NMRR, 50Hz, 60Hz | > 40 dB |
| Rated insulation voltage | 50 V |
| Dielectric test voltage | 500 V a.c. |
| Power dissipation | 3.5 W |
| Current consumption +5 V Modulebus | 100 mA |
| Current consumption +24 V Modulebus | 50 mA |
| Current consumption +24 V external | Max. 265 mA (22 mA + transmitter current * 1.32) |
Diagnostics
| Front LED’s | F(ault), R(un), W(arning) |
| Supervision | Module error: analog read back, reference voltage, internal power supply, checksum, watchdog and memory error Internal channel error: low pass filter´, multiplexer, test channel error External channel error: external power supply low, transmitter power, external shunt error |
| Status indication of supervision | Module Error, Module Warning, Channel error |
Features and benefits
- 8 channels for 0…20 mA, 4…20 mA, 0…5 V or 1…5 V d.c., single ended unipolar inputs
- Single or redundant operation
- 1 group of 8 channels isolated from ground
- 12 Bit resolution
- Current limited transmitter supply per channel
- Advanced on-board diagnostics
- HART pass-through communication
Compability
| Use with MTU | TU810, TU812, TU814, TU818, TU830, TU833, TU835, TU838, TU844, TU845, TU854 |
| Keying code | CC |
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 (0.51 lbs.) |
Terminal:
| TU814V1 | TU810V1 | TU833 | TU838 | TU812V1 | TU850 | TU830V1 |
Picture of AI845
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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