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ABB 1TNA920500R0002 Industrial Control Panel 

1. Key Parameters

• Product Model: 1TNA920500R0002
• Order Code: 1TNA920500R0002
• Product Series: ABB TNA Series Industrial Control Panels (Low-Voltage, Wall-Mounted/Panel-Mounted)
• Core Function: Enables operator HMI interaction for equipment monitoring/control; houses and protects internal control components (e.g., contactors, relays, terminal blocks); provides safe access to electrical connections; supports integration with PLC/distribution systems
• Electrical Specifications:

  Parameter	Details	Performance Metrics
  Power Supply for Panel Electronics	24V DC ±10% (from PLC backplane or external power supply); Current consumption: ≤50mA	Compatible with standard industrial control voltages
  Display Interface	2-line LCD display (16 characters/line, backlit); LED status indicators (8 total: power, run, fault, alarm)	Display visibility: ≥5m (indoor); ≥3m (outdoor, under sunlight)
  Control Inputs	4 momentary pushbuttons (IP65-rated, illuminated): Start, Stop, Reset, Emergency Stop (E-Stop)	Button lifespan: ≥1,000,000 operations
  Signal Interfaces	1× RS485 port (Modbus RTU, for communication with AC500 PLC); 16-pin terminal block (for sensor/actuator wiring)	Communication baud rate: 9600~115200 bps
  Internal Component Capacity	Max mounting space for components: 2× ABB S200 MCBs (6kA), 1× 1SVR control relay, 20× terminal blocks	Supports standard DIN rail-mounted components (35mm rail included)

• Mechanical Specifications:
  • Housing Material: Flame-retardant polycarbonate (UL94 V-0); Front panel: 3mm thick, impact-resistant (IK08)
  • Dimensions (W×H×D): 300mm × 400mm × 150mm (external); Internal mounting area: 250mm × 350mm × 120mm | Compact for wall/panel installation |
  • Mounting Type: Dual-purpose: Wall-mounted (via 4 M6 screws) or panel-mounted (cutout size: 280mm × 380mm)
  • Weight: Approximately 3.2kg (empty, without internal components)
  • Protection Features: Lockable front door (keyed lock, IP65 when closed); E-Stop button (SIL 2 compliant, red, mushroom-head)
  • Cable Entry: 4× M20 cable glands (bottom/side, IP65-rated) for sensor/communication cables
• Environmental Ratings:
  • Operating Temperature Range: -10℃~+55℃ (14℉~131℉)
  • Storage Temperature Range: -25℃~+70℃ (-13℉~158℉)
  • Humidity Tolerance: ≤95% RH (non-condensing, 40℃; suitable for damp industrial areas)
  • Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6; no door loosening or component displacement)
  • Shock Resistance: 15g acceleration (11ms duration, IEC 60068-2-27; maintains structural integrity)
  • Protection Rating: IP65 (front panel, when door closed); IP30 (internal, when door open)
• Compliance Standards: IEC 62271-302 (low-voltage switchgear), EN 61000-6-2 (EMC immunity), UL 508 (industrial safety), CE, RoHS, EN 13849-1 (SIL 2 for E-Stop)

2. Key Features

• Dual-Mounting Flexibility: Supports both wall-mounted and panel-mounted installation—adapts to diverse site layouts (e.g., wall-mounted in workshop corners, panel-mounted in integrated control cabinets), reducing installation constraints.
• IP65 Environmental Protection: Lockable front door with IP65 rating shields internal components from dust, water splashes, and oil mist—ideal for harsh on-site environments (e.g., food processing washdown areas, outdoor pump stations).
• Intuitive HMI Design: 2-line backlit LCD display (sunlight-readable) and illuminated pushbuttons provide clear status feedback (e.g., "Pump Running," "Fault: Overcurrent") and easy operation—minimizes operator training time and reduces human error.
• SIL 2 Compliant E-Stop: Red mushroom-head emergency stop button meets EN 13849-1 SIL 2 requirements—ensures fast, safe shutdown of equipment in emergency scenarios (e.g., conveyor jams, personnel proximity), mitigating accident risks.
• Built-In Component Mounting: Integrated 35mm DIN rail and dedicated space for MCBs, relays, and terminals eliminate the need for separate enclosures—simplifies system integration and reduces overall cabinet footprint by 40% compared to discrete setups.
• Modbus RTU Communication: RS485 port with Modbus RTU enables seamless communication with ABB AC500 PLCs—supports remote status monitoring and parameter adjustment, reducing on-site maintenance visits.
• Flame-Retardant & Impact-Resistant Housing: UL94 V-0 polycarbonate housing resists combustion and withstands IK08 impact (e.g., accidental tool bumps)—enhances safety and durability in high-traffic industrial areas.

3. Application Fields

• Low-Voltage Distribution Control: Primary application—local monitoring/control of distribution systems:
  • Factory Workshop Distribution: Mounted alongside ABB S800 distribution boards; monitors 230V/400V circuit status (via LCD) and controls MCB tripping/resetting via pushbuttons; IP65 protection withstands workshop dust and coolant splashes.
  • Commercial Building Electrical Rooms: Wall-mounted to control lighting and HVAC auxiliary circuits; E-Stop button shuts down non-critical loads during power emergencies, while Modbus communication links to building BMS for energy monitoring.
• PLC Automation Cabinet Integration: HMI interface for PLC-controlled equipment:
  • Conveyor System Control: Panel-mounted in AC500 PLC cabinets for conveyor lines; LCD displays belt speed and fault codes (e.g., "Jam Detected"), while Start/Stop buttons manage operation—reduces operator movement between control points.
  • Pump Station Management: Wall-mounted in outdoor water pump stations; monitors pump pressure (via sensor input) and controls pump start/stop; IP65 rating resists rain and humidity, ensuring year-round reliability.
• Industrial Equipment Local Control: On-machine HMI for standalone devices:
  • Food Processing Machinery: Mounted on small bakery mixers or filling machines; LCD displays batch count and temperature, while buttons adjust mixing speed or filling volume; smooth front panel (no crevices) simplifies washdowns, complying with HACCP hygiene standards.
  • Small-Scale Manufacturing Machines: Integrated into CNC lathes or drilling machines; E-Stop button provides emergency shutdown, and LCD shows tool status (e.g., "Tool Wear Alert")—improves operator safety and machine uptime.
• Infrastructure Auxiliary Systems: Control for critical infrastructure:
  • Solar PV Inverter Stations: Wall-mounted to monitor inverter output current and voltage; Start/Stop buttons manage grid connection, while Modbus links to SCADA systems for remote energy tracking—IP65 protection withstands outdoor weather.
  • Wastewater Treatment Auxiliaries: Panel-mounted in sludge pump control cabinets; monitors pump run time and fault status (e.g., "Seal Leakage"), while Reset buttons clear non-critical faults—ensures continuous operation of treatment processes.

4. Precautions

• Mounting Compatibility: Ensure installation surface (wall/panel) is flat, rigid, and can support ≥5kg weight (panel + internal components)—uneven surfaces cause door misalignment, compromising IP65 protection; use wall anchors for drywall installations.
• Electrical Safety (Critical):
  • Power Disconnection: Disconnect all AC/DC power (24V panel electronics, 230V/400V load circuits) before wiring or installing internal components—exposed terminals carry live voltage, posing shock risks. Use lockout/tagout procedures.
  • Grounding Requirements: Connect the panel’s protective earth (PE) terminal to the system ground (resistance ≤0.5Ω); E-Stop circuit must be separately grounded to ensure SIL 2 compliance—poor grounding invalidates safety certifications and increases noise interference.
• Wiring & Interface Setup:
  • Cable Gland Sealing: Tighten M20 cable glands to manufacturer specs (1.5 N·m) after wiring—loose glands break IP65 protection, allowing moisture/dust ingress; use cables with outer diameter 8~12mm for proper sealing.
  • Modbus Configuration: Set the panel’s Modbus address (1~247) and baud rate to match AC500 PLC settings—mismatched parameters cause communication failures; test communication with ABB Automation Builder before commissioning.
• Environmental Limitations:
  • Temperature & Humidity: Do not operate above +55℃ or in condensing humidity—high temperatures degrade LCD backlight life (reduced to 5,000 hours at 60℃), while condensation causes internal terminal corrosion, leading to intermittent connections.
  • Chemical Exposure: Avoid installation in areas with corrosive gases (e.g., sulfur dioxide in battery rooms, ammonia in cold storage)—corrosive vapors damage the polycarbonate housing and internal wiring, shortening panel lifespan.
• Maintenance & Operation:
  • Regular Inspection: Quarterly check door seal integrity (replace if cracked) and E-Stop button functionality (test trip and reset); clean front panel with a damp, lint-free cloth—avoid abrasive cleaners (e.g., steel wool) that scratch the IP65 coating.
  • Component Loading: Do not exceed internal mounting capacity (max 2 MCBs + 1 relay + 20 terminals)—overloading causes overheating and door closure issues; use ABB-recommended components to ensure compatibility.
  • Lock Management: Keep E-Stop and door keys in a secure, accessible location (only authorized personnel); do not disable the E-Stop function under any circumstances—non-compliance with safety standards increases liability risks

The structure and details of the product：

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