Introduction to EATON XV-112-DB-70TWRC-00
Product Description
The EATON XV-112-DB-70TWRC-00 is a compact, entry-level human-machine interface (HMI) designed for simple industrial automation applications. As part of Eaton’s XV Series, this HMI focuses on intuitive operation and basic monitoring capabilities, making it ideal for small machinery, standalone equipment, and low-complexity automation systems such as pumps, fans, and small conveyors.
The model designation “XV-112-DB-70TWRC-00” highlights its key features: “112” indicates a compact form factor, “DB” denotes a basic configuration with essential I/O, “70TWRC” specifies a 7-inch touchscreen with resistive technology and rugged construction, and “00” signifies a standard base model without advanced add-ons. This HMI is engineered for easy integration with Eaton’s XC Series PLCs and other basic controllers, providing operators with a straightforward interface to monitor system status, adjust simple parameters, and acknowledge alarms—all in a durable design suitable for industrial environments.
Technical Parameters
- Display: 7-inch resistive touchscreen; 800 × 480 pixels (WVGA); 250 cd/m² brightness; 140° viewing angle
- Processor: 32-bit ARM Cortex-A7, 800 MHz clock speed
- Memory: 256 MB RAM; 2 GB flash storage (non-expandable)
- Operating System: Proprietary real-time OS (optimized for HMI functions)
- Communication Interfaces:
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- Serial: 1 × RS485 port (Modbus RTU master/slave)
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- USB: 1 × USB 2.0 port (host, for programming and data transfer)
- I/O Signals: 4 digital inputs, 2 digital outputs (24V DC)
- Power Supply: 24V DC (18-30V DC); power consumption ≤6W
- Operating Temperature: 0°C to +50°C (32°F to +122°F)
- Storage Temperature: -20°C to +60°C (-4°F to +140°F)
- Relative Humidity: 10-90% RH (non-condensing)
- Vibration Resistance: 10-500 Hz, 0.5g peak (IEC 60068-2-6)
- Shock Resistance: 10g peak (11 ms duration, IEC 60068-2-27)
- Protection Rating: IP65 (front panel); IP20 (rear connections)
- Dimensions: 190mm × 140mm × 45mm (W × H × D)
- Weight: Approximately 0.8 kg
- Certifications: CE, UL 508, IEC 61131-2, RoHS
Usage Methods
- Installation:
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- Mount the HMI using panel-cutout dimensions (172mm × 122mm) for flush integration, securing with the included clips to resist minor vibration.
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- Position the display in a location easily accessible to operators, avoiding direct exposure to water or heavy dust (use a protective cover in harsh areas).
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- Allow 80mm clearance at the rear for wiring and passive cooling, as the unit requires no forced-air ventilation.
- Wiring and Connection:
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- Connect the 24V DC power supply via the terminal block, using a 0.5A fused circuit and twisted-pair cable to minimize electrical noise.
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- Establish RS485 communication with a PLC or controller using shielded twisted-pair cable, setting baud rate (9600-38400 bps) to match the connected device.
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- Wire digital inputs to simple sensors (e.g., emergency stop buttons, status switches) and digital outputs to alarms (e.g., buzzers, indicator lights) via 24V DC wiring.
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- Use the USB port for initial programming or firmware updates, connecting to a PC running Eaton’s EasyBuilder software.
- Configuration and Programming:
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- Install Eaton EasyBuilder software and create a basic project, selecting the XV-112-DB-70TWRC-00 as the target device.
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- Design simple screens with status indicators (e.g., “Pump Running”), basic control buttons (e.g., “Start/Stop”), and alarm messages (e.g., “High Pressure”).
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- Map HMI variables to PLC registers via Modbus RTU, enabling real-time data exchange (e.g., “Tank Level” linked to a PLC input register).
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- Test the configuration by simulating PLC inputs to verify touch responsiveness and correct display of statuses.
- Operation and Maintenance:
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- Power on the HMI and confirm the startup screen loads within 45 seconds; a solid green LED indicates normal operation.
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- Use the resistive touchscreen with a finger or stylus to navigate menus, press control buttons, and acknowledge alarms; recalibrate via the settings menu if touch accuracy declines.
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- Perform quarterly checks: wipe the screen with a dry cloth, inspect wiring connections for tightness, and ensure the USB port is free of debris.
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- Update firmware annually via USB to address minor bugs or improve compatibility with newer PLC models.
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- Reset the HMI to factory settings via the settings menu if experiencing unresponsive behavior (back up configurations first).
System Introduction
The EATON XV-112-DB-70TWRC-00 serves as a basic interface between operators and small industrial systems, integrating three key layers:
- Visualization Layer: The 7-inch display presents critical statuses (e.g., “Running,” “Fault”) and simple controls, enabling operators to monitor and interact with machinery at a glance.
- Communication Layer: Transmits operator inputs (e.g., “Start Pump”) to a connected PLC via RS485 and receives real-time data (e.g., pressure readings) for display.
- Basic Control Layer: Executes simple logic, such as triggering a local alarm via its digital outputs when a fault is detected from the PLC.
In a small water pump system, the HMI connects to an Eaton XC Series PLC monitoring tank levels and pump status. It displays “Tank Full/Empty” indicators and a “Start/Stop” button for the pump. If the PLC detects a low water level, the HMI shows a red alarm message and activates a local buzzer via its digital output, prompting the operator to intervene.
Related Models in the Series
- EATON XV-112-DB-50TWRC-00: 5-inch compact variant, ideal for space-constrained equipment like lab machinery or small compressors.
- EATON XV-112-DB-70TCRC-00: Capacitive touch model with improved responsiveness, suitable for clean environments such as food packaging machines.
- EATON XV-112-DB-70TWRC-10: Includes 2 analog inputs (4-20mA) for direct connection to sensors (e.g., pressure transducers) without a PLC.
- EATON XV-112-DB-70TWRC-ETH: Adds an Ethernet port for Modbus TCP/IP communication, enabling integration with larger networks (e.g., small production lines).
- EATON XV-112-DB-70TWRC-EX: Explosion-proof version (ATEX Zone 2) with reinforced housing, designed for chemical dosing systems or oilfield equipment.
- EATON XV-112-DB-70TWRC-W: Wireless-enabled model with optional RS485-to-Wi-Fi adapter, suitable for remote monitoring of standalone pumps or generators.
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