GE A08B-0031-B001 Programming Unit

This handheld programming unit connects to CNC controllers for parameter setup. It allows operators to edit programs and diagnose faults remotely. You will use this device for machine tool maintenance tasks.

Key Technical Specifications

The A08B-0031-B001 features a membrane keypad with 42 tactile keys. Its 7-segment LED display shows axis positions and alarm codes. The unit also includes a magnetic back for attaching to metal surfaces.

Parameter	Technical Data
Product Type	Handheld Programming Unit
Display Type	6-digit 7-segment LED (red)
Number of Keys	42 tactile membrane keys
Key Functions	Numeric, axis, mode, program
Cable Length	5.0 meters (16.4 feet)
Connector Type	1 x 25-pin D-sub (male)
Dimensions (W x H x D)	19.0 cm x 12.5 cm x 3.8 cm
Total Weight	0.85 kg (1.87 lbs)
Power Source	From CNC controller (24V DC)
Interface Protocol	RS-422 differential
Communication Speed	9600 bps default
Magnetic Back	4 x built-in magnets
Battery (CMOS backup)	1 x CR2032 lithium
Energy Storage	47 µF decoupling capacitance
Operating Temperature	0°C to 45°C

Hardware Architecture and Key Functions

The A08B-0031-B001 uses a single-chip microcontroller for key scanning and display. Forty-two membrane keys include numeric, axis selection, and program edit functions. A CR2032 lithium battery retains CMOS settings for approximately five years. The six-digit LED display shows position data and system alarms.

Interface and Connectivity

One 25-pin D-sub male connector links the unit to the CNC pendant port. A 5-meter shielded cable allows free movement around the machine. The RS-422 differential interface provides noise immunity in industrial environments. Four built-in magnets attach the unit to any ferrous metal surface.

Practical Installation Notes

Connect this programming unit to the designated pendant port on the CNC. The A08B-0031-B001 requires no external power supply. Always coil excess cable loosely to prevent strain on the connector. Replace the CR2032 battery when the display becomes dim or erratic.