DSAI155A
Thermocouple Input Module · 3BSE014162R1
Lifecycle note: ABB DSAI155A is installed-base Thermocouple Input Module. Confirm compensation, hardware revision, mounting, termination and controller configuration before replacement.
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+86 153 5940 8275Thermocouple Input Module · S100 I/O
ABB DSAI155A, article 3BSE014162R1, is a Thermocouple Input Module for S100 I/O. This selected hardware identity must remain traceable to the installed system, cabinet drawings and maintenance records.
Engineering review should compare Channels: 14; Input type: Thermocouple; Measurement: Temperature; Compensation: Cold-junction compensation; Signal level: Millivolt. Confirm these values against the field circuit, termination, power arrangement and controller configuration before commissioning.
For replacement and MRO procurement, isolate the affected equipment, record the pre-change state, verify the complete article number and revision, preserve approved settings and complete documented functional tests before return to service.
| Manufacturer | ABB |
|---|---|
| Model | DSAI155A |
| Order number | 3BSE014162R1 |
| Module type | Thermocouple Input Module |
| System family | S100 I/O |
| Channels | 14 |
| Input type | Thermocouple |
| Measurement | Temperature |
| Compensation | Cold-junction compensation |
| Signal level | Millivolt |
| Mounting | S100 I/O rack |
| Configuration | Controller engineering |
| Field connection | Dedicated connection unit |
| Identity | 3BSE014162R1 |
S100 I/O is a legacy ABB automation platform. Confirm the complete installed configuration before replacement or migration.
Use the published thresholds: -3 to +5 V for state 0 and +15 to +30 V for state 1. Values in the undefined region require field-circuit investigation before commissioning.
Adjust the 2–32 ms delay only after reviewing contact bounce, pulse duration and process response. Record the approved value for every affected input group.
It defines the separation expected between field inputs and internal electronics. Inspect the ECZ base and insulation condition; perform only site-approved dielectric or insulation tests.
Reuse is acceptable only after terminal numbering, common conductors, polarity and conductor condition match the approved drawings and the replacement nameplate.
Allow for the documented maximum consumption of 0.2 A and maximum dissipation of 4.5 W, then include the module in the cabinet power and thermal calculation.
Typical causes include marginal field voltage, loose terminals, contact bounce, induced noise or an incorrect delay. Measure the signal at the ECZ terminal before replacing hardware.
Check 3BSE014162R1, connector and housing condition, terminal cleanliness, label traceability and channel response using a controlled 24 VDC test source.
Purchase against the full FPR number. 3BSE014162R1 is the 24 VDC selection; FPR3316101R0036 and FPR3316101R0034 identify different supply variants.
Send the model, complete part number, quantity, destination and nameplate photo. We will verify identification details before confirming availability and lead time.
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