Integrator note: R88M-K90010C-B Accurax G5 servo motor
The Omron R88M-K90010C-B is a 900 W cylindrical servo motor from the Accurax G5 series, rated at 1000 rpm on a 3-phase 480 VAC supply. It carries an absolute encoder and an integral brake — the brake holds the load at power-off, which matters for vertical-axis or Z-axis stations where a coasting drop would crash the tooling. The cylindrical body (no keyway or key-and-tap provision) means the shaft coupling method is set by the user; plan for a clamping-type coupling or a custom hub.
The 900 W power rating at 1000 rpm delivers about 8.6 Nm continuous torque at rated speed — enough for indexing tables, small conveyors, or pick-and-place axes that need holding torque at zero speed. The absolute encoder eliminates the need for a home-search sequence on power-up; the drive knows the shaft position immediately, which cuts cycle time on machines that power-cycle between batches. The brake is a spring-set, electrically-released type (standard for servo motors with this option): it engages when power is removed, so the axis holds position even if the drive faults or the line loses power. Verify the brake release voltage matches the drive's brake control output — typically 24 VDC on Omron servo drives, but confirm against the drive model.