ABB AI843 Analog Input, Redundant Or Single 1×8 Ch, ABB S800 I/O
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Description
The AI843 Thermocouple/mV Input Module provides 8 differential input channels for Thermocouple/mV measurements. Measurement ranges configurable per channel are: -30 mV to +75 mV linear, or TC Types B, C, E, J, K, L, N, R, S, T and U. A separate Pt100 channel is used for “Cold Junction” (ambient) temperature measurements, thus serving as CJ-channel for Ch. 1...8.
The junction temperature may be measured locally on the MTUs screw terminals, or on a connection unit distant form the device. Alternatively, a fix junction temperature for the module may be set by the user (as parameter) or a junction temperature set by the application.
General info
| Article number | 3BSE028925R1 |
| Type | Analog Input |
| Signal specification | -30..75 mVlinear, TC types B, C, E, J, K, L, N, R, S, T and U |
| Number of channels | 8 |
| Signal type | See table |
| HART | No |
| SOE | No |
| Redundancy | Yes |
| High integrity | No |
| Intrinsic safety | No |
| Mechanics |
S800 |
Detailed data
| Resolution | 16 bits |
| Input impedance | > 1 MΩ |
| Isolation | Groupwise isolated from ground |
| Error | Max. 0.1% |
| Temperature drift | Typ. 10 ppm/°C, Max. 25 ppm/°C |
| Input filter (rise time 0-90%) | 1.1 kHz |
| Update cycle time | 320 + 80 * (no of active channels) ms at 50 Hz 267 + 67 * (no of active channels) at 60 Hz |
| Maximum field cable length | 600 meters (656 yards) or max. 500 Ω |
| CMRR, 50Hz, 60Hz | 100 dB |
| NMRR, 50Hz, 60Hz | > 40 dB |
| Rated insulation voltage | 50 V |
| Dielectric test voltage | 500 V a.c. |
| Power dissipation | 1.5 W |
| Current consumption +5 V Modulebus | 60 mA |
| Current consumption +24 V Modulebus | 50 mA |
| Current consumption +24 V external | 0 |
Diagnostics
| Front LED’s | F(ault), R(un), W(arning) |
| Supervision | Module error: reference channels outside limits, power supply low Channel error: open-circuit, CJ channel error (ch 8): out of range <-40°C (-40°F) and >100°C (212°F) Junction channel) Channel error Linear: none |
| Status indication of supervision | Module Error, Module Warning, Channel error |
Dimensions
| Width | 45 mm (1.77”) |
| Depth | 102 mm (4.01”), 111 mm (4.37”) including connector |
| Height | 119 mm (4.7”) |
| Weight | 0.157 kg (0.35 lbs.) |
Features and benefits
- 8 differential input channels for thermocouple/mV
- Single or redundant operation
- A separate channel is used as CJ-channel (4-wire Pt100 RTD)
- Variety of thermocouples with the following characteristics: B, C, E, J, K, L, N, R, S, T and U
- 16 Bit resolution (A/D converter)
- Inputs are monitored for wire-break open-circuit
FAQ:
Q: What is the brand name of the product?
A: The brand name of the product is ABB.
Q: What is the model number of the product?
A: The model number of the product is AI843 3BSE028925R1.
Q: Where is the product manufactured?
A: The product is manufactured in FI.
Q: What are the available payment terms?
A: The available payment terms are T/T, Western Union, and PAYONEER.
Q: What is the delivery time for the product?
A: The delivery time for the product is 3-5 days.
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