Digital Input Module | ABB DI571 S500-eCo 1TNE968902R2103
Manufacturer: ABB
-
Part Number: DI571 1TNE968902R2103
Condition：New with Original Package
Product Type: Digital Input Modules
-
Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB DI571 S500-eCo Digital Input Module
The ABB DI571, also cataloged as the DI571 Digital Input Module, operates as a dedicated hardware component for discrete DC signal detection within AC500-eCo PLC networks. Configured to monitor 24 VDC state changes from field sensors, switches, and proximity circuits, the module transmits binary data profiles through the local system interface to the central processing unit, executing data conversion loops at the hardware layer without software-driven processing jitter.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DI571 (Part Number: 1TNE968902R2103) |
| Brand | ABB |
| Origin | China |
| Weight | 115 g net (0.22 kg gross) |
| Dimensions | 34 mm x 74 mm x 135 mm (W x H x D) |
| Operating Temp | 0 to +60 deg C (horizontal mounting), 0 to +40 deg C (vertical mounting) |
| Power Consumption | Determined by channel population and backplane load specs |
| Number of Digital Inputs | 8 digital inputs (1-wire configuration) |
| Input Voltage Type | DC |
| Input Voltage (Rated) | 24 VDC (operating range: 15 to 30 VDC) |
| Input Current Draw | ~3 mA per channel |
| Input Delay Time | 0 to 1: 1 ms, 1 to 0: 1 ms |
| Channel Grouping | 1 group of 8 channels |
| Electrical Isolation | Galvanic isolation between input group and internal logic |
| Process Supply Voltage | 24 VDC process supply via UP terminal |
| Reference Potential | 0 VDC via ZP terminal |
| Transient Voltage | Clamps surge voltages up to 35 VDC for 0.5 s |
| Degree of Protection | IP20 |
Industrial Control and Network Integration Technical Attributes
The hardware features an 8-point semiconductor input layout designed to maintain full firmware flash compatibility with the AC500-eCo processor series. The device interfaces with the internal backplane bus structure, adjusting transmission rates to prevent communication overruns during simultaneous input transitions.
When routed into Profinet or EtherNet/IP deterministic networks through a local head station or bus coupler, the module updates its process image table within a 1 ms signal verification filter window. The internal circuitry limits adjacent line cross-talk by utilizing a galvanic isolation block between the field-side input group and the logic rails. Power distribution to the input conditioning circuits relies on a 24 VDC line tied to the UP connection, which requires a external 3 A fast-acting fuse to intercept overload anomalies before they degrade internal optocouplers.
Frequently Asked Questions
Q: What are the primary consequences of altering the physical mounting orientation of the DI571 block?
A: Standard horizontal installation allows full thermal dissipation up to +60 deg C. If the housing is fixed vertically onto the DIN rail, natural convection air currents are impeded, requiring an ambient thermal derating down to a maximum operating limit of +40 deg C.
Q: Can the input delay filters of the DI571 be modified below the 1 ms specification via programming software?
A: No, this specific hardware module features a fixed hardware RC filter network that dictates a constant 1 ms transition delay for both rising (0 to 1) and falling (1 to 0) edges to suppress mechanical switch bounce.
Q: Is hot-swapping supported for this module during active PLC CPU operation?
A: No, the S500-eCo backplane infrastructure does not possess active power-clamping circuits for hot-swap execution. You must remove backplane logic power and isolate the UP/ZP process supply before detaching or inserting the module.
Field Installation Guidelines
- DIN-Rail Mounting Stability: Clip the chassis onto an approved symmetric TH35 DIN rail. Press firmly until the rear plastic tension latch locks into position to avoid mechanical displacement from panel vibration.
- Shielding and Grounding Standards: Encase low-voltage signal lines in twisted-pair shielded conductors. Connect the shields directly to the cabinet functional earth busbar at the enclosure point of entry, avoiding loops with common signal returns.
- External Overcurrent Protection: Mount an external 3 A fast-acting fuse on the 24 VDC supply wire feeding the UP terminal to protect the internal digital input tracking networks against external short-circuit faults.
- Wiring Configurations: Connect 1-wire field devices directly to the pluggable terminal block interfaces, ensuring wire insulation is stripped precisely to avoid bare exposed conductors or high-resistance terminal points.