Description
Hardware & Electrical Specifications
- Model：XDD501A101
- Part Number：3BHE036342R0101
- Module Type：Digital Input‑Output Interface Board
- Bus Interface：AC800‑PEC internal back‑plane bus
- Signal Channel：Multi‑channel binary input channels, relay binary output channels
- Power supply：24 V DC (18‑32 V DC)
- Max power consumption：10 W
- Galvanic isolation：≥2000 V AC between field‑signal side and control‑logic side
- Dielectric strength：2000 V AC 1 minute
- Insulation resistance：＞100 MΩ @ 500 V DC
- On‑board protection：ESD protection, surge suppression for field signals, input filter circuit, relay protection, conformal coated PCB
- Compatibility note：Cannot run standalone; must match UNITROL6000 system hardware and corresponding firmware version.
Environmental Specifications
- Operating temperature：‑10 ℃ ~ +60 ℃
- Storage temperature：‑40 ℃ ~ +85 ℃
- Relative humidity：5%‑95% non‑condensing
- Installation location：Inside excitation / converter cabinet rack
- EMC compliance：IEC 61000‑6‑2
- Certifications：CE
Mechanical Data
- Installation：Plug‑in rack‑mount eurocard board
- Interfaces：Internal back‑plane connector; external screw terminal blocks for field binary signals
- Recommended wire cross‑section：0.75 mm²‑2.5 mm² copper cable for signal terminals
- Terminal tightening torque：0.6‑1.0 N·m
- Weight：approx 0.68 kg
- Dimension：Standard Euro‑card for AC800‑PEC rack
Main Functions
- Isolated binary signal acquisition: collect cabinet safety interlock status, cooling‑device feedback, power‑unit auxiliary contact signals.
- Relay‑type binary output: drive trip‑chain, alarm indication and auxiliary control contact signals.
- Signal filtering and hardware debounce, suppress field contact bounce and electromagnetic interference.
- Bidirectional data exchange with main processor via back‑plane bus, upload field status and receive output control commands.
- Channel‑level self‑diagnosis: detect input‑channel failure, relay driving fault, report fault codes to excitation system.
- LED status indication:
- Green LED：Power supply normal, board logic healthy
- Yellow LED：Digital I/O channel active
- Red LED：Channel fault / board hardware fault
Installation & Wiring Requirements
- Cut off cabinet total power before installation or replacement. Insert XDD501A101 into assigned rack slot and tighten mounting screws. Hot‑swap is strictly forbidden.
- Connect field binary‑signal cables strictly per wiring drawing; separate high‑power cables and weak‑signal cables to reduce electromagnetic interference.
- Cabinet protective grounding shall comply with ABB AC800‑PEC / UNITROL6000 grounding specification.
- After replacement, confirm firmware compatibility, download project parameters, perform I/O channel simulation test and interlock‑logic verification before commissioning.
- Replacement note: Cross‑version substitution requires hardware‑firmware compatibility validation.
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