ABB 3BDH000320R0101
ABB 3BDH000320R0101 - Image 2

ABB 3BDH000320R0101

Product Brief:​ The CI854A plugs into the CEX slot​ of an AC 800M CPU baseplate (BC810/BC820). It:

  • Provides one 9-pin D-sub (RS-485 isolated) Profibus DP port
  • Supports DP-V0 (cyclic I/O) & DP-V1 (acyclic record read/write — e.g., for ABB drive parameter access PPO5/PPO6)
  • Acts as DP Master (typical) or configurable as DP Slave (some FW versions)
  • Handles up to 125 slaves (theoretical), practical ≤64 per scan time
  • Communicates with AC 800M application via CEX-bus (deterministic I/O image exchange each scan)
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Category: SKU: ABB 3BDH000320R0101

Description

ABB 3BDH000320R0101

  • Technical Specifications:
    • Port: 1 × 9-pin D-sub female (Profibus RS-485, optically isolated ≥1 kV)
    • Baud Rate: 9.6 kbps – 12 Mbps auto
    • Max Slaves (Master): 125 (practical 32–64)
    • Acyclic Services: DP-V1 read/write record (for drive parameters)
    • Indicators: Run (green), Err (red), Bus Active (yellow), Warning (amber)
    • Power: From CEX-bus (5 V DC, typ. 150–200 mA)
    • Mounting: CEX slot AC 800M baseplate — secured with retaining screw
    • Operating Temp.: 0 °C to +60 °C
    • Firmware: Loaded from AC 800M baseplate; must match Control Builder M version
    • Certifications: CE, UL, cUL, Profibus Int’l Certified
  • Functional Features / Application / Material / Structure / Working Principle / Installation / Precautions:
    • Used when AC 800M needs to talk Profibus DP — e.g., to ACS800/ACS880 with RPBA-01 option, to Siemens ET200 I/O, to ABB S800 I/O via Profibus gateway (less common — normally S800 = CI840A HN800), to 3rd-party analyzers/weigh scales with DP interface
    • Install in CEX slot → connect Profibus cable A/B to D-sub pin 3(B=Data+) & pin 8(A=Data−); pin 5 = shield (connect to connector shell → earth)
    • In Control Builder M: Hardware → Add CI854A → assign node address (unique 1–126) → import GSD of slaves → configure I/O mapping → download
    • Terminate both ends of Profibus segment with 220 Ω resistor (built-in on some connectors; else external)
    • Precaution:
      • Reversing A/B causes comm failure — double-check polarity
      • Use Profibus-certified cable (Type A per IEC 61784-5-3) — not generic RS-485 cable
      • For DP-V1 parameter access (drive PPO): ensure acyclic message timeout in logic > drive response time
      • Firmware on CI854A must be compatible with Control Builder M version — if mismatch Control Builder prompts to download correct FW (requires online connection)
      • For redundant pair: both CI854As identical FW; after first download standby auto-syncs I/O image via backplane — no separate config needed

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