920i® Series Programmable Weight Indicator
This advanced weighing controller features a customizable backlit LCD graphical interface with 22 softkeys, including 10 user-defined keys, for fast and intuitive operation. A tactile keypad and on-screen or external keyboard support efficient data entry and navigation.
Key Features:
- Customizable backlit LCD graphical user interface
- 22 softkeys, including 10 user-defined keys
- Tactile keypad with on-screen or external keyboard support
- Supports up to 28 scales across 5 scale types
- Multi-range/interval analog load cell weighing
- Total scale summing and serial input scale support
- Compatible with iQUBE²® and program scales
- 2 to 14 option slots for scale channels, serial ports, I/O, analog outputs, and protocols
iRite™ Programming Software for system configuration
- Custom user applications with event-based functions
- 150 built-in functions for application processes and data tables
- Four serial ports supporting RS-232, RS-485, and 20 mA
- USB Type A and B support (USB model replaces serial on Port 2)
- Alibi memory for secure capture of serial transmissions
- Configurable data stream formats
- 100 setpoints with 27 configurable setpoint types
- Six digital I/O channels for control
- Available in four enclosure options: universal, deep universal, wall mount, and panel mount
Technical Specifications
Power
- AC Input Voltage: 100–240 VAC
- Frequency: 50/60 Hz
- DC Input Voltage: 12–24 VDC
Power Consumption
- AC:
- 25 W (universal enclosure)
- 65 W (all other enclosures)
- DC:
- 25 W (all models)
- 25 W (all models)
Load Cell Excitation
- Voltage: 10 VDC (±5 VDC)
- Capacity per A/D Card:
- 16 × 350 Ω load cells
- 32 × 700 Ω load cells
Analog Performance
- Input Range: −45 mV to +45 mV
- Sensitivity:
- Minimum: 0.3 μV/graduation at 7.5 Hz
- Recommended: 1.0 μV/graduation
- A/D Sample Rate: 7.5 to 960 Hz (software selectable)
- Resolution:
- Internal: 8,000,000 counts
- Display: 1,000,000 divisions
- System Linearity: ±0.01% of full scale
Digital I/O
- Onboard: 6 digital I/O channels
- Optional Expansion: 24-channel I/O expansion boards
Communication Interfaces
- CPU Board Ports: 4 serial ports, up to 115,200 bps
- Port 1: Full-duplex RS-232
- Port 2: RS-232 with CTS/RTS; PS/2 keyboard interface or USB Type A & B
- Port 3: Full-duplex RS-232, 20 mA
- Port 4: Full-duplex RS-232, 2-wire RS-485, 20 mA
- Optional Serial Expansion Boards:
- Channel A: RS-232, RS-485, 20 mA
- Channel B: RS-232, 20 mA
Display
- Size (W × H): 4.6 × 3.4 in (116 × 86 mm)
- Resolution: 320 × 240 pixels
- Type: LCD module with adjustable contrast
- Display Options:
- Transmissive
- Transflective (optional)
Keys & User Input
- Keypad: 27-key membrane panel with tactile feel
- External Input: PS/2 or USB keyboard support
Environmental Conditions
- Certified Temperature Range:
- 14 °F to 104 °F (−10 °C to 40 °C)
- 14 °F to 104 °F (−10 °C to 40 °C)
- Operating Temperature Range:
- 14 °F to 122 °F (−10 °C to 50 °C)
Enclosure & Ratings
- Material: Stainless steel
- Ingress Protection:
- NEMA Type 4X
- NEMA Type 12
- IP66
Weight
- Universal enclosure: 9.5 lb (4.3 kg)
- Wall mount enclosure: 23.0 lb (10.4 kg)
- Panel mount enclosure: 8.5 lb (3.9 kg)
- Deep universal enclosure: 11.0 lb (5.0 kg)
Warranty
- Two-year limited warranty
EMC Immunity
- 10 V/m
Approvals & Certifications
- NTEP: 01-088, Class III / IIIL, 10,000 d
- Measurement Canada: AM-5426, Class III / III HD, 10,000 d
- OIML: R76/2006-A-GB1-19.08
- EU Test Certificate: TC11584
- Safety & Compliance:
- cULus Listed (Universal, Deep Universal, Wall Mount)
- cULus Recognized (Panel Mount)
- cULus Listed 508A (Custom Wall Mount)
- CE Marked
The 920i® weight indicator and process controller combines advanced user interfaces, exceptional flexibility, and powerful processing performance with the simplicity of a traditional weight indicator. A high-contrast, customizable LCD graphical display, programmable softkeys, and proven industrial electronics are housed in a rugged, virtually indestructible enclosure, making the 920i one of the most trusted indicators and process controllers in the industry.
Designed to deliver a new level of flexibility for both system integrators and end users, the 920i enables simplified customization at a fraction of the cost of traditional process instrumentation. From basic weighing applications to complex process automation, the 920i provides the programmability, performance, and reliability needed to support demanding industrial processes.