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The AI835A 3BSE051306R1 provides 8 differential input channels for high-precision Thermocouple (TC) and mV measurements. Measurement ranges are configurable per channel, supporting a linear range of -30 mV to +75 mV, or TC Types B, C, D, E, J, K, L, N, R, S, T, and U.
Channel 8 can be designated as the CJ-channel (4-wire Pt100 RTD)
8 differential input channels for thermocouple/mV.
Inputs are monitored for wire-break open-circuit
One of the channels (Channel 8) can be configured for "Cold Junction" (ambient) temperature measurements, serving as the dedicated CJ-channel for Channels 1 to 7. The junction temperature can be measured locally on the MTU's screw terminals, or on a distant connection unit. Alternatively, a fixed junction temperature for the module can be set by the user as a parameter, or directly driven from the application. When no CJ-temperature measurement is required, Channel 8 can be utilized in the exact same manner as Channels 1 to 7.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
ABB AI835A 3BSE051306R1 Analog Input Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Petrochemical Industry
Collecting multi-point high-temperature process readings inside ethylene cracking furnaces or catalytic reactors to prevent localized overheating and coking.
Thermal Power Generation Industry
Collecting temperature data from large boiler superheater and reheater tube walls, as well as overloaded steam pipelines.
Pharmaceutical
High-precision acquisition of temperatures inside large autoclaves (saturated steam) to realize automated traceability of batch sterilization processes.
Coal Chemical
Collecting feedback signals of extremely high temperatures (above 1400°C) inside coal-water slurry gasifiers.
Pulp and Paper Industry
Monitoring process temperatures inside chemical pulp black liquor evaporators and fluid digesters.
Machinery Manufacturing
Deploying multi-channel thermocouples in large workpiece quenching and annealing furnaces to ensure the execution of metal heat treatment process curves.
When using the AI835A 3BSE051306R1 module, it must be securely plugged into a compatible Module Termination Unit (MTU) while maintaining stable ModuleBus communication. If cold junction compensation (CJC) is enabled, Channel 8 must be configured properly as the compensation reference, with shielding measures applied to protect the terminal blocks from environmental draft interference.
Field thermocouple or millivolt cabling must be routed strictly away from high-voltage power cables in separate trays, and single-point grounding of signal shields must be enforced to eliminate measurement errors caused by strong electromagnetic interference and ground loops on the minute millivolt signals.
The AI835A 3BSE051306R1 is a high-precision S800 I/O analog input component dedicated to distributed control systems. Functioning primarily as a low-level DC signal processor, the module incorporates 8 independent dual-terminal differential channels to execute analog-to-digital data conversion (featuring a high resolution of 15 bits plus sign) for minute millivolt-level voltages and various temperature sensor signals. Beyond its compatibility with standard, universally used thermocouple options (Types B through T), this specific upgraded variant directly supports extended D, L, and U thermocouple profiles, thereby broadening the temperature acquisition span in extreme industrial smelting, aero-engine test beds, or cryogenic process environments.
Regarding physical wiring and compensation control, the component exhibits highly flexible hardware and software configuration features. When cold junction temperature compensation is enabled, the component allocates its final path (Channel 8) as a dedicated compensation port, automatically correcting emf errors caused by ambient temperature fluctuations by directly reading the local temperature at the Module Termination Unit (MTU) screw terminals or introducing feedback from a distant measurement point. In cases where dynamic ambient compensation is unnecessary, Channel 8 is released to function identically as a standard, full-featured mV or thermocouple input channel. Additionally, the assembly allows users to directly inject fixed, static compensation parameters via the master control application. Engineered with a ModuleBus interface and seamless hot-swapping capability, this component permits rapid replacement without disrupting the ongoing control loop, meeting the stringent physical requirements of continuous process industries like petrochemicals and power generation for high system availability.
It is an industrial-grade 8-channel thermocouple/mV analog input module for the S800 I/O system.
How many input channels does AI835A 3BSE051306R1 support?
It provides 8 independent differential input channels for collecting signals from field sensors.
What is the primary application of AI835A 3BSE051306R1?
It is primarily used in Distributed Control Systems (DCS) to continuously collect high-temperature thermocouple and low-voltage mV signals in process industries.
Which types of thermocouples does AI835A 3BSE051306R1 support?
It is fully compatible with standard thermocouples including B, C, E, J, K, N, R, S, and T types.
How should AI835A 3BSE051306R1 be used in the field?
It must be plugged into a compatible MTU (Module Termination Unit, such as TU810 or TU830), and then connected to the backplane or communication interface via ModuleBus.
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