DI814
Digital Input Module · 3BUR001454R1 · S800 I/O
Lifecycle note: Preserve each group supply, supervision connection and channel filter setting. Prove both input states at the controller after replacement.
ItemNO:
3BUR001454R1Product Condition
Original New with One Year WarrantyParts Available
In Stock and Same Day ShippingDelivery Mode
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+86 153 5940 8275Digital Input Module · S800 I/O
ABB DI814 is a 16-channel S800 I/O digital input module, order 3BUR001454R1, for 24 V DC signals with current sourcing. Its two isolated groups each contain eight inputs and a process-voltage supervision input.
ABB specifies a logic-zero range of −30 to 5 V and a logic-one range of 15 to 30 V. Selectable digital filtering is 2, 4, 8 or 16 ms. The input circuitry includes current limiting, EMC protection, status indication and optical isolation; loss of a supervised group voltage is reported through ModuleBus.
Before replacement, record sensor wiring, group supply routing, the installed MTU and filter settings. Test both active and inactive conditions on every used channel and distinguish a supply-supervision fault from a field contact state. Retain the order number and hardware revision with the I/O checkout record.
| Manufacturer | ABB |
|---|---|
| Model / order number | DI814 / 3BUR001454R1 |
| Module function | S800 I/O digital input |
| Input channels | 16 |
| Signal type | 24 V DC, current sourcing |
| Isolation grouping | 2 groups of 8 channels |
| Logic-zero voltage | −30 to 5 V |
| Logic-one voltage | 15 to 30 V |
| Input current source | 6 mA at 24 V |
| Input impedance | 3.5 kΩ |
| Selectable digital filter | 2, 4, 8, 16 ms |
| Process-voltage supervision | 1 input per group |
| Maximum field cable length | 600 m |
| ModuleBus +5 V consumption | 50 mA |
Preserve each group supply, supervision connection and channel filter setting. Prove both input states at the controller after replacement.
ABB specifies −30 to 5 V for zero and 15 to 30 V for one. The interval between those ranges is not a guaranteed logic state; verify the field signal and circuit voltage drop.
The DI814 supplies input current. Confirm how the field contact or sensor completes that circuit instead of selecting wiring solely because both devices carry a 24 V label.
Yes. Each group has a voltage-supervision input. Inspect the group supply and its supervision wiring when several channels report an error together.
Longer filtering rejects short disturbances but can also prevent a short valid signal from being recognized. Preserve the approved setting and test the minimum required pulse duration.
The ABB hardware selector lists SOE as No. Use a module and system configuration explicitly supporting event timing when that function is required.
It is the published maximum field-cable length. Cable resistance, routing, signal levels and EMC conditions must still meet the application requirements.
ABB lists TU810, TU812, TU814, TU830 and TU838 in its hardware selector. Confirm the exact MTU revision, mechanical keying and terminal assignment before fitting the spare.
Compare each channel indicator with the commanded field-contact state and controller value. The LEDs help locate disagreement, while group-voltage and module diagnostics distinguish supply faults from signal faults.
Send the model, complete part number, quantity, destination and nameplate photo. We will verify identification details before confirming availability and lead time.
Official PDF extract: DI814 / 3BUR001454R1 — Sales PLC Cover & ABB Documentation. File size is below 1 MB; verify the exact installed hardware and configuration before use.
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