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G4 Panel Mount Instrument

Brand: BLH Nobel

The Nobel - BLH G4 family of process control instruments offers high speed, high performance control for industrial weighing/force measurement applications plant wide.

G4 units set new standards geared for today's application demands and tomorrow's expanding requirements. A large (5.7 inch) color touch screen facilitates quick, easy operation and simplifies parameter changes.

The screen displays up to 4 weighing/force channels simultaneously, allowing the user full control of multiple process vessels.

The large touch screen provides good visibility of the process and easy navigation through parameter menus and settings.

G4 instruments accommodate up to seven different, easily installed, modules for advanced performance, more functional channels, custom applications, or repair.

This provides customers with a highly flexible, upgradeable, single instrument system capable of weighing up to eight independent vessels or scales. Inputs and outputs can be configured according to customer requirements.

A wide variety of industrial communication interfaces (Ethernet, RS232, RS485), Protocols (Modbus RTU, Modbus TCP, EtherNet/IP) and Fieldbuses (Profibus or Devicenet) are available.

Software upgrades can be downloaded to the instrument from our website, or be transferred to the G4 unit via a standard USB port connection.

Custom software designed to customer requirements for special applications is available upon request. G4 instruments have four base mounting options: DIN Rail, Panel, Desktop, and Harsh Environment.

The last three are IP65 rated, while the DIN rail-mount is IP20 rated. Units can be configured for either 24 volt DC or 115/230 volt AC operation.
Features
  • Three enclosure types: panel mount, desktop, harsh environment
  • Modular system with flexible configuration
  • Up to 8 weighing / force measurement channels per unit
  • Synchronized sampling
  • Fast update rate - up to 800 updates per second
  • Graphical User Interface - color LCD display with backlight
  • Data entry through touch screen and/or functional keypad
  • Integrated flexible digital I/O
  • Communication: Ethernet, Profibus, DeviceNet, Modbus, USB, RS485, RS232, Modbus/TCP, EtherNet/IP
  • Easy parameter backup and restoration via USB port or internal memory

Specifications

Brand

Enclosure Types

  • PM Panel mount
  • HE Harsh Environment

Dimensions W × H × D

  • 294 x 227 x 152 mm
  • 343 x 274 x 235 mm

Enclosure Design

  • Aluminum housing, plastic panel
  • Stainless Steel Housing, Plastic Panel

Temperature Range – Rated performance

  • -10° to +50° C

Temperature Range – Storage

  • -25° to +85° C

Protection

  • IP65 (panel)
  • IP65

EMC, Safety

  • CE (Industrial), UL, cUL, FM, cFM
  • CE (Industrial), UL, cUL

Display

  • Color TFT LCD screen with backlighting, 5.7 in 320 x 240 pixels

Keyboard

  • Touch screen and 34 membrane keys

DC Supply Module

  • 19-29 Vdc, 40 W

AC Supply Module

  • 115/230 Vac 50/60 Hz, 40 W

Interfaces

  • Interfaces Isolated

RS-232 and RS-485, Ports

  • For process data and control

Protocol

  • Modbus RTU

Baud Rate

  • Up to 115 kbaud

USB, Supported Units

  • Version 1

Memory Stick

  • USB type for PC For backup and restore of set-up parameters. For change to a new program version

Ethernet

  • For process data and control

Fieldbus Options

  • For process data and control

Maximum No. of Load Cells

  • 8 per channel

Available Field busses

  • Proibus or DeviceNet. Other on demand

Excitation Voltage

  • 5 Vdc

A/D Conversion

  • 3.9 kHz, 16,000,000 units (24 bits)

Input Range

  • ± 7 mV/V

Update Rate

  • 1 up to 300 readings per second

No. of Weight Channels

  • 1 (WF IN1) up to 8 (4 WF IN2) Channels

Sensitivity

  • 0.1 µV

Zero Drift

  • < 10 nV/V/K

Span Drift

  • < 2 ppm/K

Digital I/O

  • 4 inputs, 24 V, isolated with common return 2 outputs, 24 V, Max. 100 mA, isolated with common return

Maximum no. of Load Cells

  • 4 per Channel

Zero Drift

  • < 10 nV/V/K

Type

  • 4 inputs, 24 V, isolated with common return 2 outputs, 24 V, Max. 100 mA, isolated with common return

Separate I/O Module

  • 2 units can be used

Number of Channels

  • 1 or 4, separately isolated channels

Resolution

  • 65,000 units, 16 bits

Voltage Output

  • 0 to 10 V, -10 to 10 V, > 1 kΩ load

Current Output

  • 4-20 mA, 0 to 20 mA, -12 to 20 mA or -20 to 20 mA < 500 Ω load

  • Process weighing and control 
  • Force measurement 
  • Web tension measurement and control 
  • Automation 
  • Force vector calculations 
  • High dynamic force measurement 
  • High speed batching / blending systems

Documentation

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