GE A02B-0166-B501 Power Mate | Single-Axis Controller

This positioning controller manages single-axis motion for CNC machine tools. It executes stored programs for precise axis movement and positioning. You will install this unit directly inside the CNC control cabinet.

Key Technical Specifications

The A02B-0166-B501 integrates a 32-bit microprocessor for motion calculations. Its built-in memory stores up to 30 positioning programs. The controller also features dedicated I/O points for limit switch connections.

Parameter	Technical Data
Product Type	Power Mate Single-Axis Controller
Control Axes	1 axis (positioning)
Processor	32-bit RISC (Fanuc custom)
Program Storage	30 programs (max 500 steps total)
Positioning Accuracy	±0.001 mm typical
Maximum Speed	30,000 mm/min
Dimensions (W x H x D)	25.0 cm x 18.5 cm x 5.0 cm
Total Weight	1.2 kg (2.65 lbs)
Encoder Interface	1 x 14-pin (differential)
I/O Connector	1 x 50-pin (16 in / 16 out)
Power Connector	1 x 3-pin (200V AC)
RS-232 Port	1 x 9-pin D-sub (program upload)
Onboard Memory	64 KB flash, 32 KB SRAM
Energy Storage	680 µF DC bus capacitance
Battery Backup	3.6V lithium (CMOS retention)
Operating Temperature	0°C to 45°C

Hardware Architecture and Memory

The A02B-0166-B501 uses 64 KB of flash memory for firmware storage. Thirty-two kilobytes of SRAM retain positioning programs and parameters. A 3.6V lithium battery maintains CMOS data for approximately five years. The controller also includes 680 µF of DC bus capacitance for power smoothing.

Interface and Connectivity

One 14-pin encoder port connects to a differential incremental encoder. One 50-pin I/O connector handles limit switches and output relays. A 9-pin RS-232 port uploads new positioning programs from a laptop. The 3-pin power connector accepts 200V AC single-phase input.

Practical Installation Notes

Mount this controller on a DIN rail inside the CNC cabinet. The A02B-0166-B501 requires adequate clearance for cooling air. Always connect the encoder cable shield to the ground terminal. Replace the lithium battery every five years to prevent data loss.