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ABB I/O Module AI843 TC/mV Analog Input Module 3BSE028925R1 with TU830V1 MTU for 800xA
Description of AI843 :
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 Information
| Type | Analog Input |
| Signal specification | -30..75 mVlinear, TC types B, C, E, J, K, L, N, R, S, T and U |
| Article number | 3BSE028925R1 |
| Number of channels | 8 |
| Signal type | See table |
| HART | No |
| 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 |
Diagnostics
| Front LED’s | F(ault), R(un), W(arning) |
| Supervision | Module error´: reference channels, power supply low Channel error: open-circuit CJ-channel (ch 8): < -40 °C (-40°F) and > 100 °C (212°F) |
| Status indication of supervision | Module Error, Module Warning, Channel error (8) |
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
Compability
| Use with MTU | TU810, TU812, TU814, TU818, TU830, TU833 |
| Keying code | BA |
Dimensions
| Height | 119 mm (4.7”) |
| Width | 45 mm (1.77”) |
| Depth | 102 mm (4.01”), 111 mm (4.37”) including connector |
| Weight | 0.22 kg (0.49 lbs.) |
Terminal:
| TU814V1 | TU810V1 | TU833 | TU838 | TU812V1 | TU850 | TU830V1 |
Picture of AI843
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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