Mô đun ABB AI843 TC/mV Analog Input Module 3BSE028925R1 -30 mV to +75 mV
đại lý AI843 | nhà phân phối AI843
ABB AI843 TC/mV Analog Input Module 3BSE028925R1 -30 mV to +75 mV
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.
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
| 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 |
| 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 |
| 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 |
| CE mark | Yes |
| Electrical safety | IEC 61131-2, UL 508 |
| Hazardous Location | C1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2 |
| Marine certification | – |
| Protection rating | IP20 according to IEC60529 |
| Corrosive atmosphere ISA-S71.04 | G3 |
| Climatic operating conditions | 0 to +55 °C (Storage -40 to +70 °C), RH=5 to 95 % no condensation, IEC/EN 61131-2 |
| Pollution degree | Degree 2, IEC 60664-1 |
| Mechanical operating conditions | IEC/EN 61131-2 |
| EMC | EN 61000-6-4 and EN 61000-6-2 |
| Overvoltage categories | IEC/EN 60664-1, EN 50178 |
| Equipment class | Class I according to IEC 61140; (earth protected) |
| Max ambient temperature | 55 °C (131 °F), for vertical mounting in compact MTU 40 °C (104 °F) |
| RoHS compliance | EN 50581:2012 |
| WEEE compliance | DIRECTIVE/2012/19/EU |
Contact:
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Good Service in WTL:
> We offer high quality, fast delivery, competitive price for ABB Input Output Module.
> Please send your RFQ to get the latest price.
> Normally, we will ship the items in 1-2 weeks after receive the payment.
> We can ship to you by UPS/DHL//EMS/Fedex. Please contact us and we will use your preferred ways.
> We have a large stock and the prices are variable, so sometimes the prices we post are not accurate. If needed, please contact us for specific prices.
Liability:
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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