GE 104X905BA603 88JB2 Display Panel Keypad

Key Technical Specifications

This GE 104X905BA603 88JB2 display panel operates from a 24V DC power supply. It provides LCD screen and 16-key membrane keypad for operator interface. The unit measures 22 cm in length, 15 cm in width, and 4 cm in height. Its total weight equals 0.65 kg without any packaging materials.

The GE 104X905BA603 88JB2 includes one character LCD display with backlight. Additionally, it features one 20-pin ribbon connector for host interface. A single 4-pin terminal block connects the DC power input. The panel contains 16 key switches, 1 LCD module, 1 keypad encoder, 4 status LEDs, 8 resistors, and 6 capacitors.

Parameter	Value
Power Supply	24V DC ±10%, 150mA
LCD Type	Character (20×4) with backlight
Number of Keys	16 membrane type
Key Matrix	4 rows x 4 columns
Dimensions (L x W x H)	22 cm x 15 cm x 4 cm
Weight	0.65 kg
LCD Character Size	5 mm x 3 mm
Backlight Color	Green
Key Scan Method	Matrix scanning
Debounce Time	20 ms (hardware)
Status LEDs	4 units (red/green)
Power Connector	4-pin terminal block
Key Switches	16 units (tactile, 1M cycles)
LCD Module	1 unit (20×4)
Keypad Encoder	1 unit
Resistors	8 units
Capacitors	6 units
Energy Storage	22 µF at 35V

GE 104X905BA603 88JB2 stores energy using one electrolytic capacitor. This capacitor provides 22 µF at 35V rating for key debounce filtering. Consequently, the panel prevents false key readings during 10 millisecond power fluctuations. Therefore, operator inputs remain accurate in noisy industrial environments.

Design and Integration

This display panel uses two-layer PCB construction with ESD protection diodes on all key inputs. Consequently, the GE 104X905BA603 88JB2 operates reliably from -10°C to +55°C ambient temperature.

For installation, you need M3 screws for the four mounting holes. The panel draws 120 mA typical current from the 24V DC supply. The LCD backlight consumes an additional 30 mA when active. We recommend mounting the panel in a front-accessible location for operator convenience.

Practical Application

This display panel provides local operator interface for GE drive and turbine systems. It shows system parameters on the LCD and accepts user commands via keypad. The GE 104X905BA603 88JB2 also indicates fault status with built-in LEDs. Therefore, it enables local monitoring and configuration for industrial control applications.