ABB-listed MTUs
TU834, TU844, TU845 and TU854. ABB lists keying code FD. TY801K01 supplies the shunt sticks used with AI880A on these MTUs.
High Integrity Current Input
ABB AI880A is an S800 current-input module for single or redundant configurations. It accepts 0–20 mA and 4–20 mA unipolar, single-ended signals, passes HART communication and distributes an external transmitter supply to 2- or 3-wire transmitters. The eight channels form one group isolated from ground.
Verified Signal, Safety & Power Data
01Identity & Function6 items
Model / article number
AI880A / 3BSE039293R1
Product type / mechanics
Analog input / S800
Number of channels
8
Signal ranges
0–20 mA and 4–20 mA
Signal type
Unipolar, single-ended
HART / SOE
Yes / No
02Measurement Performance8 items
Resolution
12 bit
Input impedance
250 Ω with TY801 shunt stick
Maximum error
0.1%
Temperature drift
50 ppm/°C maximum
Input filter, 0–90% rise time
190 ms hardware filter
Update cycle
10 ms
Normal-mode rejection, 50/60 Hz
Greater than 40 dB
Maximum field cable length
600 m (656 yd)
03Integrity, Isolation & Power8 items
Configuration
Single or redundant
High Integrity / intrinsic safety
Yes / No
Safety certification
SIL3 according to IEC 61508; Category 4 according to EN 954-1
Channel grouping / isolation
One group of 8, groupwise isolated from ground
Transmitter supply
Built-in current limiting per channel
Power dissipation
2.4 W
ModuleBus consumption
45 mA at +5 V; 50 mA maximum at +24 V
External +24 V consumption
4 mA + transmitter current; 260 mA maximum
04Limits, Diagnostics & Mechanics8 items
Over-range
+12% for 0–20 mA; +15% for 4–20 mA
Maximum non-destructive input voltage
11 VDC
Rated insulation / dielectric test
50 V / 500 VAC
Front LEDs
Fault, Run, Warning
Supervision
Internal voltage, field-power input and field-power output per channel
Operating / storage temperature
0 to +55 °C / −40 to +70 °C
Protection / corrosion class
IP20 / ISA-S71.04 G3
Dimensions / weight
45 × 119 × 102 mm; 111 mm deep with connector / 0.15 kg
Safety Architecture & Termination Fit
Single or redundant use
ABB explicitly supports both configurations. The redundancy arrangement must follow the applicable System 800xA hardware and safety engineering documentation.
ABB does not designate a direct replacement for AI880A. Any candidate must match the High Integrity certification, HART function, transmitter-power supervision, MTU keying and project safety requirements.
Safety Loop Applications & Fault Scenarios
Safety-related 4–20 mA loops
Acquire current signals in applications that require the module’s certified High Integrity capability and documented project engineering.
HART transmitter maintenance
Preserve HART pass-through while reading the process current and supervising the transmitter-power path.
NE43 range alarm
If a channel reports an out-of-range value, verify the configured NE43 limits, field transmitter status, loop continuity and channel supply.
Transmitter power warning
Review the external field supply and the affected channel load when field-power supervision reports an input or output problem.
AI880A Commissioning Gate
01Confirm safety scope
Verify that the project safety lifecycle and certified configuration cover the intended use.
02Match the MTU
Confirm TU834, TU844, TU845 or TU854, FD keying and the required TY801 shunts.
03Set the current range
Choose 0–20 mA or 4–20 mA and configure the permitted over- and under-range behavior.
04Prove both paths
Check the analog value, HART pass-through, field-power supervision and the required redundancy diagnostics.
A valid current value alone does not prove the safety, redundancy or HART path. Commission the complete loop under the project’s approved procedure.
High Integrity Spare Support
Controlled order handoff
Keep the safety context with the RFQ
Include the installed MTU, redundancy arrangement, HART requirement and system version when requesting a commercial check.
- Quoted test scope and visible-condition checks stated before order
- Protective packing with DOA reporting instructions
- Return, warranty and after-sales terms confirmed in the offer
Official ABB Documentation
- ABB Product Details — AI880AArticle 3BSE039293R1 | Current ABB product pageView ABB product page
- ABB Ability™ System 800xA® 7.0 Product Catalog7PAA015938 Rev A | S800 I/O module and MTU overviewOpen ABB catalog
Multi-brand Spare Parts Also Requested
1MRK 002614-CA r01EASYGEN-2500-5/P1Allen Bradley 1756-EN2TABB 3BSE003643R1 PM152ABB NDPI-02 3BHL000764P0001ABB 1SAP150000R0261 - PM590BMXEIA0100RS485-MODBUS-230VACBFDWK-000233 / 22003B-002G21113BHB017682R0016 VHPR500FPM-3120G-RAECLTG38L11F024914 1300-RRR0-00-0-1ABB 2CDG110075R00112CDG110061R0011INL100DF5-322-075F4-04ADSHE693RTM705BAC2218ECHPCIBEH2B6NH7808-3AA00GT1565-VTBD GOT100025B-A8P0N114A06B-6089-H711Allen Bradley 440R-K23041Allen Bradley 1768-PA3MIPP/JD/1L1P/2T9N3BDH000376R0001
These part numbers are independent purchasing references only. They are not replacements for AI880A. Compatibility and stock must be confirmed separately for each item.
AI880A FAQ
Does AI880A support redundant I/O configurations?
Yes. ABB identifies both single and redundant configurations. The complete redundancy design must follow the relevant System 800xA and safety-project documentation.
Which termination units are listed for AI880A?
ABB lists TU834, TU844, TU845 and TU854, with keying code FD. TY801 shunt sticks are used for the stated current-input impedance.
Can AI880A pass HART communication?
Yes. HART pass-through is listed. Commission the HART route separately from the analog value and verify the field-power arrangement.
What does AI880A supervise on the transmitter-power path?
The official data lists field-power input and field-power output per channel, plus internal-voltage supervision and module, warning and channel status indications.
Is AI880A certified for safety-related service?
ABB lists SIL3 certification according to IEC 61508 and Category 4 according to EN 954-1. Application approval still depends on the complete engineered safety function.
What should an RFQ for AI880A include?
Provide the full part number, quantity, destination, required date and machine or system model. Add the MTU, system version, redundancy mode and HART requirement if available.
RFQ for AI880A
For a faster technical and commercial check, send the installed-part details together with the required date.
Email Miya Zheng- Part Number
- Quantity
- Destination
- Required Date
- Machine / System Model
