FANUC A06B-6096-H208 Servo Amplifier Module for Two-Axis Control

A06B-6096-H208: Two-Axis Servo Amplification in One Module

The A06B-6096 series is Fanuc's multi-axis servo amplifier family, and the H208 configuration in it handles two axes from a single module. On a CNC with two servos per axis — a feed axis plus its auxiliary, or a driven-and-following pair — that is two amplifier channels where a single-axis alternative would need two modules, two cable sets and two slots.

The saving is not only physical. One module means one power feed, one connector set and one fault domain, which simplifies both installation and maintenance. The trade-off is that the two axes now share a module: a module failure takes both channels rather than one.

A06B-6096 Configurations

Within the family the configurations differ in axis count and current rating, and both determine whether a module can drive the machine it is fitted to:

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Matching Amplifier Current to the Axis

The amplifier must be rated for the motor it drives, and that rating is what determines whether the axis holds torque under load or trips on an overload during rapid traverse. An undersized amplifier on an axis that performs heavy cutting will present as intermittent overload faults rather than a clear sizing error, which makes the failure mode harder to read than it looks.

Confirm the motor model connected to each axis before ordering the amplifier, and confirm the axis assignment for each channel — on a two-axis module, connecting the wrong motor to the wrong channel produces motion that looks like a tuning problem.

Installation Considerations

The amplifier mounts in the servo cabinet and requires adequate cooling airflow — servo amplifiers dissipate continuously and a densely populated cabinet will run them above their rated ambient. Verify the power supply capacity covers both channels on the module, since a two-axis module draws from one feed but at the combined current of both channels.

Commissioning on a Two-Axis Module

1. Confirm each channel is wired to its assigned motor before applying servo enable.
2. Verify axis parameters are set per channel, not once for the module.
3. Check motor phase sequence per channel — a swapped phase pair on one channel moves that axis the wrong way.
4. Confirm both channels report ready before enabling the machine in automatic.

Supply & terms: Stock status: In Stock · Condition: New · Warranty: One Year · Origin: Japan. Listed by AutoDCS Tech Parts Team · Last updated 2026-10-07.

All Fanuc parts · Servo Drives