920i® Programmable HMI Indicator/Controller

  • The 920i USB shares the same hardware as the 920i
  • USB interface card on Port 2
  • The USB card is supported on Rev L CPU boards or later
  • The 920i for USB interface requires firmware version 5.0 or higher
Connector Types:
  • Standard Type A: 920i connects to keyboard, printers* and flash drives
  • Standard Type B: 920i connects to PC
USB Interface Functions:
  • Supports weigh mode and configuration mode functions
  • Supports upload of databases and .920 configuration file
  • Supports download of databases, .920 configuration file, iRite, COD file, and firmware file
  • Sanity checks for command errors
Flash Drives:
  • Supports USB 2.0
  • Create sub directories by unit ID and database name
  • Use the root directory for generic files
Optional Washdown Connectors (see below)
  • Sealed receptacle
  • Connectors – cables
  • USB cover – flash drive and receptacle
       * ASCII font label and ticket printers
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Flexibility. Power. Simplicity. It’s all in the box.

Different, yet intuitively familiar for even the least experienced operators. The 920i® HMI indicator/controller is truly the first of its kind to blend revolutionary user interfaces, total flexibility and ultimate processing performance with the simplicity of a basic weight indicator. We have taken the best features from weight instruments, PLCs and computers and added more robust electronics, a crisp graphical display and programmable softkeys. Put it all together inside a virtually indestructible enclosure and you have one of the most advanced HMIs the industry has ever seen. Adding an entirely new dimension in flexibility for solution providers and users alike, the 920i HMI indicator/controller delivers simplified customization at a fraction of the cost of traditional process instrumentation.

From tailored basic  weighing to complex process automation, the 920i HMI indicator/controller gives you exactly what you need, exactly the way you want it.

Up to ten different screens can be programmed to change with any given process, while graphic icons and messages show setpoint and function status. The multi-channel display feature shows the weight on an individual scale or a combination of totalized scales. When used in batching/mixing applications, one 920i is capable of handling multiple scales, flow temperature and pulse. It can control hundreds of I/O setpoints—queuing for such things as gates and conveyors. The 920i’s complete database capability stores your important data and files.

For more seamless communication with external devices, use the 920i HMI indicator/controller with USB. It shares the same hardware as the standard 920i, but replaces the PS/2 interface port with a USB interface. Connector types include Standard Type A for hosting, connecting keyboards, printers and memory devices, and Standard Type B for connecting as a device to PCs.

Delivering more features, more programmability and more power for your process, the 920i HMI indicator/controller combines performance-driven circuitry, simplified architecture and customized display features to take your system further.

Line voltages: 115 or 230 VAC
Frequency: 50 or 60 Hz
Power consumption: 340 mA, maximum at 115 VAC (26 W) 240 mA at 230 VAC (26 W)

Excitation Voltage:
10 ± VDC, 16 x 350 Ω or 32 x 700 Ω load cells per A/D card

Analog Signal Input Range:
-10 mV to +45 mV

Analog Signal Sensitivity:
0.3 µV/graduation minimum at 7.5 Hz
1.0 µV/graduation typical at 120 Hz
4.0 µV/graduation typical at 960 Hz

A/D Sample Rate:
7.5 to 960 Hz, software selectable

Internal resolution: 8 million counts
Weight display resolution: 9,999,999

System Linearity:
± 0.01% full scale

Digital I/O:
Six I/O channels on CPU board; optional 24-channel I/O expansion boards available

Circuit Protection: 
RFI, EMI, ESD protection

Serial Ports:
Four ports on CPU board support up to 115,200 bps; optional dual-channel serial expansion boards available
Port 1: Full duplex RS-232
Port 2: RS-232 with CTS/RTS; PS/2 keyboard interface via DB-9 connector
Port 3: Full duplex RS-232, 20 mA output
Port 4: Full duplex RS-232, 2-wire RS-485, 20 mA output

Display (W x H):
4.6 in x 3.4 in (116 W x 86 mm H), 320 x 240 pixel VGA Liquid Crystal Display (LCD) module
with adjustable contrast. Transmissive display, standard. Transflective display, option.

27-key membrane panel, tactile feel, PS/2 port for external keyboard connection

Operating Temperature:
Legal: 14°F to 104°F (-10°C to +40˚C)
Industrial: 14°F to 122°F (-10°C to +50˚C)

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: 11 lb (5.0 kg)

NEMA Type 4X/IP66, stainless steel

Two-year limited warranty

NTEP CC 01-088, Class III/IIIL 10,000d
Measurement Canada AM-5426, Class III/III HD 10,000d
OIML approved 6,000/10,000, UK 2658
CE marked
UL & C-UL listed (Universal, Deep and Wall Mount Enclosure)
Custom Wall Mount approved for 508A (Optional)
Panel Mount UL recognized