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ABB DSQC667 Profinet I/O Board 

1. Key Parameters

• Product Model: DSQC667
• Order Code Reference: Typically paired with IRC5 Profinet entry kits (e.g., 3HAC031698-001) and Profinet cables for procurement
• Product Series: ABB IRC5 Robot Controller Entry-Level Profinet I/O Boards
• Core Function: Enables Profinet RT communication between IRC5 and factory devices; provides local digital I/O for peripheral connection; supports real-time I/O data exchange and basic network diagnostics
• Profinet Specifications:
  • Protocol Compliance: Profinet RT (Real-Time), Profinet TCP/IP (non-real-time); optional Profinet IRT (Isochronous Real-Time) via firmware upgrade
  • Data Transfer Rate: 100Mbps full-duplex (IEEE 802.3u Fast Ethernet)
  • Cycle Time:
    • Profinet RT: 10ms~200ms (configurable for standard automation tasks)
    • Optional IRT: 5ms~10ms (for semi-critical synchronization)
  • Max Nodes: Up to 64 Profinet devices per network segment (star/line topology)
  • Redundancy: Supports Profinet Media Redundancy Protocol (MRP) for line topology (fault recovery <100ms)
  • Compatibility: Profinet V2.3 compliant; includes GSDML file for integration with PLCs (Siemens S7-1200/1500, ABB AC500) and HMIs (ABB CP430T/CP600)
• Local I/O Specifications:

  I/O Type	Number of Channels	Voltage Rating	Current Rating	Key Features
  Digital Inputs (DI)	16	24V DC	4mA~8mA (logic "1")	Sinking/sourcing configurable via RobotStudio; debounce time 0.1ms~200ms
  Digital Outputs (DO)	8	24V DC	1A per channel; 6A total	Sourcing type; overcurrent protection via PTC fuses; short-circuit resistant

• Electrical Specifications:
  • Power Supply (IRC5 Backplane): 5V DC ±5% (typical current: 1.2A; maximum current: 1.8A)
  • Local I/O Power Supply: External 24V DC (18V~30V DC, isolated); required for DI/DO operation
  • Power Consumption: ≤10W (backplane power); ≤12W (total, with full I/O load)
  • Isolation: 2.5kVrms (between Profinet ports, local I/O, and IRC5 backplane; prevents ground loops)
  • EMC Immunity: Compliant with IEC 61000-6-2 (industrial environment); resistant to EMI from robot drives/welding equipment
• Mechanical Specifications:
  • Form Factor: PCB with reinforced edge connectors (fits IRC5 controller’s communication slot)
  • Dimensions (W×H×D): 220mm × 160mm × 22mm (compact profile for space-constrained IRC5 compartments)
  • Mounting: Slot-mounted (secures to IRC5 backplane; no additional hardware)
  • Weight: Approximately 380g
  • Ports:
    • 2× Profinet RJ45 Ports (100Mbps; supports M12 adapter for industrial cabling)
    • 1× Terminal Block (screw-type: 24V DC input, 16 DI, 8 DO connections)
  • LED Indicators:
    • Power (PWR): Green (powered on); Red (power fault)
    • Profinet (PN): Green (network connected); Blinking Green (data transmission); Red (network fault)
    • I/O Status (I/O): Green (local I/O normal); Red (I/O short circuit/overload)
    • Fault (FLT): Amber (warning, e.g., low I/O power); Red (critical fault, e.g., Profinet desync)
• Environmental Ratings:
  • Operating Temperature Range: 0℃~+45℃ (32℉~113℉)
  • Storage Temperature Range: -20℃~+70℃ (-4℉~158℉)
  • Humidity Tolerance: ≤85% RH (non-condensing, 40℃)
  • Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6)
  • Shock Resistance: 15g acceleration (11ms duration, IEC 60068-2-27)
• Compliance Standards: Profinet V2.3, IEC 61131-2 (industrial I/O), EN 61000-6-2 (EMC), UL 508 (industrial safety), CE, RoHS

2. Key Features

• IRC5-Exclusive Integration: Custom-designed for ABB IRC5 controllers—automatically recognized by the IRC5 system during startup, with no need for third-party drivers. Configurable via ABB RobotStudio (no specialized Profinet software required), reducing setup time.
• Profinet RT as Standard (Optional IRT): Delivers reliable Profinet RT communication (10ms~200ms cycle time) for standard automation tasks (e.g., sensor data collection, PLC command transmission). Optional IRT firmware upgrade extends capabilities for semi-critical synchronization (5ms~10ms), adapting to evolving cell needs.
• Compact Integrated I/O: Combines 16 DI and 8 DO in one board—eliminates the need for separate Profinet communication modules and I/O units (e.g., DSQC500) in small robot cells, saving IRC5 slot space and installation costs.
• Flexible DI Configuration: Sinking/sourcing selectable for digital inputs via RobotStudio—supports both NPN and PNP sensors without hardware adapters, simplifying peripheral compatibility (e.g., photoeyes, limit switches).
• 2.5kVrms Isolation: Industrial-grade isolation protects sensitive Profinet and I/O circuits from ground loops and voltage transients (common in factory power grids)—ensures stable data transmission and prevents board damage.
• MRP Redundancy Support: Profinet Media Redundancy Protocol enables fault-tolerant line topology—automatically switches to backup paths if a cable/port fails, minimizing downtime in 24/7 production lines (e.g., packaging plants).
• Rugged Industrial Design: Reinforced PCB edges, flame-retardant materials (UL94 V-0), and wide temperature tolerance withstand vibration, dust, and temperature swings—suitable for automotive, electronics, and food manufacturing environments.

3. Application Fields

• Small-to-Medium IRC5 Robot Cells: Primary application—connects IRC5 robots to Profinet networks in compact setups:
  • Automotive Sub-Assembly: Links IRB 120 robots (pick-and-place for small components) to Siemens S7-1200 PLCs via Profinet RT; local DI monitors component presence sensors, while DO controls feeder activation—ensures synchronized part supply.
  • Electronics Repair & Testing: Integrates IRB 2600 robots (circuit board handling) with Profinet-based test stations; Profinet TCP/IP transmits test results to MES systems, and local I/O triggers robot load/unload commands.
• Standard Automation Workflows: Supports non-critical to semi-critical tasks:
  • Food & Beverage Packaging: Connects IRB 360 delta robots (small-item packaging) to Profinet HMIs (ABB CP430T); local DI detects empty packaging trays, and DO activates sealers—Profinet RT synchronizes packaging speed with robot picks.
  • Warehouse Kitting: Integrates IRC5-controlled collaborative robots (e.g., YuMi) with Profinet AGVs; Profinet RT shares kit completion status, and local I/O controls conveyor stop/start—optimizes kitting workflows.
• Legacy IRC5 Upgrades: Modernizes older IRC5 systems:
  • Manufacturing Retrofits: Adds Profinet capability to 5~10 year-old IRC5 controllers (e.g., IRB 660) for integration with new Profinet PLCs—avoids full controller replacement and extends system lifespan.
  • I/O Expansion: Supplements existing DSQC500 I/O modules in IRC5 cells with additional 16 DI/8 DO—supports new peripherals (e.g., additional sensors) without replacing existing hardware.

4. Precautions

• IRC5 Exclusivity: Use exclusively with ABB IRC5 controllers. Never install in older ABB platforms (e.g., S4C+) or non-ABB systems—backplane pinout and communication protocols are incompatible, leading to board failure or network crashes.
• Profinet Network Setup:
  • Use Profinet-certified CAT5e/CAT6 cables (shielded for noisy environments) and limit segment length to 100m (per Profinet guidelines). Uncertified cables or excessive length cause signal degradation and communication drops.
  • Match Profinet parameters (IP address, subnet mask, cycle time) between the DSQC667 and connected devices (e.g., PLC). Mismatched cycle times trigger "desync" faults (Red PN LED) and disrupt data exchange.
• Local I/O Power Safety:
  • Use an isolated 24V DC power supply for local I/O (do not share with IRC5 backplane power or Profinet device power). Shared supplies cause voltage dips during high DO loads, leading to false DI triggers.
  • Disconnect local I/O power before wiring—short circuits during installation can burn out PTC fuses and damage DO channels.
• ESD Protection:
  • Wear an ESD wristband and work on a grounded surface when handling the board—Profinet chips and I/O circuits are static-sensitive; even small discharges can cause permanent damage.
  • Store the board in anti-static packaging when not installed—avoid exposure to ungrounded materials (e.g., plastic bins).
• Firmware & Compatibility:
  • Ensure the DSQC667’s firmware version matches the IRC5 controller’s system firmware (check via RobotStudio). Mismatched firmware causes Profinet communication failures (e.g., "device not found" errors).
  • If upgrading to IRT functionality, confirm the IRC5 controller supports IRT (requires compatible firmware) before installing the upgrade—unsupported controllers will not recognize the IRT feature.
• Maintenance Checks: Inspect quarterly (with IRC5 powered off):
  • Verify LEDs show normal status (Green PWR, Green/Blinking PN, Green I/O, no FLT)—Red PN/FLT indicates issues requiring troubleshooting (e.g., check cable continuity, PLC settings).
  • Tighten terminal block screws (vibration loosens connections over time) and clean Profinet ports with compressed air (remove dust/debris). Corroded terminals or dirty ports cause intermittent I/O/communication faults.

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