01 Product Overview
ABB 3BSE051306R1 is the AI835A analog input module for the S800 I/O family. It provides eight differential channels for thermocouple and millivolt measurement, with channel 8 available as a four-wire Pt100 cold-junction channel.
ABB’s official hardware selector and System 800xA catalog identify this exact article. The verified configuration supports multiple thermocouple types, per-channel diagnostics and installation through approved S800 I/O module termination units.
02 Commercial Status
| Record item |
Verified information |
| Manufacturer |
ABB |
| Complete part number |
3BSE051306R1 |
| Product designation |
AI835A |
| Official family |
S800 I/O |
| Procurement handling |
Exact-code, MTU and application review before offer |
03 Verified Technical Data
| Parameter |
Officially supported value |
| Input channels |
8 differential channels |
| Signal range |
-30 to +75 mV, linear |
| Thermocouple types |
B, C, D, E, J, K, L, N, R, S, T and U |
| Cold-junction option |
Channel 8; 4-wire Pt100 RTD |
| Resolution |
15 bit |
| Input impedance |
Greater than 1 MΩ |
| Maximum error |
0.1% |
| Rated insulation voltage |
50 V |
| Dielectric test voltage |
500 V AC |
| Power dissipation |
1.6 W |
| ModuleBus current |
75 mA at +5 V; 50 mA at +24 V |
| Cable length |
Up to 600 m |
| Dimensions |
45 × 102 × 119 mm (W × D × H); 111 mm depth including connector |
| Weight |
0.22 kg |
| Environmental rating |
IP20; 0 to 55 °C operation |
| Compatible MTUs |
TU810, TU812, TU814, TU818, TU830 and TU833 |
04 System Fit and Applications
Temperature acquisition
Collect thermocouple signals from process vessels, furnaces and utility equipment.
Low-level mV measurement
Integrate millivolt transmitters and sensors within S800 I/O stations.
Cold-junction compensation
Use the documented channel 8 Pt100 arrangement for thermocouple reference measurement.
05 Compatibility and Procurement Checks
1. System fit — S800 I/O station using an approved AI835A module termination unit.
2. MTU keying — Keying code BA; verify the installed TU810/TU812/TU814/TU818/TU830/TU833 variant.
3. Signal engineering — Confirm thermocouple type, channel grouping, shielding and grounding in the project configuration.
4. Procurement match — Match 3BSE051306R1 and AI835A; do not substitute another AI835 revision automatically.
06 Lifecycle Note
ABB’s current hardware selector and System 800xA catalog list AI835A article 3BSE051306R1. The reviewed official pages do not display an ABB lifecycle term for this article, so no lifecycle label is assigned here.
07 Frequently Asked Questions
What signals does 3BSE051306R1 accept?
The AI835A accepts differential thermocouple and millivolt inputs in the official -30 to +75 mV range.
How many channels are provided?
Eight differential input channels are provided; channel 8 can serve as a four-wire Pt100 cold-junction channel.
Which termination units are listed?
ABB lists TU810, TU812, TU814, TU818, TU830 and TU833 as compatible MTUs.
What should be checked before ordering?
Verify the exact article, AI835A marking, MTU type, thermocouple configuration and required channel allocation.
Request a verified offer for 3BSE051306R1
Send the exact part number, quantity, destination and installed-system details for availability, compatibility, warranty and global-delivery review.
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