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Part of the Omron Servo series — see the full model table, lifecycle status and replacement parts.

Omron R88M-1M75030H-S2 servo motor — three brown cardboard shipping boxes with Omron labels showing TYPE R88M-1M75030H-S2, AC SERVO MOTOR, QTY 1, MADE IN THE PHILIPPINES, with serial numbers 03251701154P / 03251701219P / 03251701241P

Omron R88M-1M75030H-S2 — Servo Motor

SKU: R88M-1M75030H-S2

USD 158.00

Accurax 1S-series AC servo motor, 750 W at 3000 rpm, 2.39 Nm rated / 8.4 Nm peak torque, 200 V class single-phase

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Product Overview

The Omron R88M-1M75030H-S2 is the 750 W member of Omron's Accurax 1S servo-motor family, the next-generation platform that succeeds the G5 series with a more compact body, higher encoder resolution, and battery-free multi-turn absolute encoder option. manufactured by Omron Corporation. Hengyixin Automation ships this drive from Xiamen with the matching motor or PSU pairing recommended in the related products row below. Specifications on this page were checked against Omron's Accurax servo datasheets.

It delivers 2.39 Nm of rated torque at 3000 rpm with a peak torque of 8.4 Nm (350 % of rated) for fast acceleration and deceleration profiles — more headroom than the G5 family at the equivalent power. The 23-bit incremental encoder (H in the part number) gives 8,388,608 pulses per revolution, the highest resolution in Omron's 1S range, suitable for applications demanding sub-micron positioning accuracy such as semiconductor handling, precision assembly, and high-end packaging.

The shaft is 19 mm diameter with a keyway and a tapped M6 × 12 hole on the end for coupling attachment — use a flexible jaw coupling (Omron R88A-CSK series) or a zero-backlash servo coupling.

Key Features

  • 200 V class drive, single-phase 230 VAC compatible
  • 80 × 80 mm flange, 124 mm length, ~2.5 kg
  • 750 W rated output at 3000 rpm, 2.39 Nm rated torque
  • Pairs with R88D-1SN08H-ECT EtherCAT drive
  • SKU: R88M-1M75030H-S2
  • Series: Accurax 1S (R88M-1)
  • Voltage: 230 V

Best-Fit Applications

  • Index drum on a small labelling machine with 23-bit position feedback
  • Rotary table on a small assembly cell with battery-free multi-turn absolute
  • Registration axis on a packaging line requiring sub-mm accuracy at line speed

Buying Checklist

  • Pick R88M-K75030H-S2 only for compatibility with existing G5 wiring and drives
  • Pick R88M-1M75030H-BS2 if the axis is vertical and needs a 24 VDC holding brake
  • Pick R88M-1M75030H-S2 for 750 W 200 V 1S-series axis with 23-bit incremental encoder and no brake

Technical Specifications

Model R88M-1M75030H-S2
Series Accurax 1S (R88M-1)
Type AC servo motor
Rated Output 750 W
Rated Speed 3000 rpm
Rated Torque 2.39 Nm
Peak Torque 8.4 Nm
Rated Current 4.1 A rms
Instantaneous Max Current 17.4 A rms
Drive Supply Voltage 230 V single phase
Encoder Resolution 8,388,608 pulses/rev
Series Suffix H = 200 V + 23-bit incremental; T = 200 V + battery-free absolute

Manufacturer documentation

Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.

FAQ for R88M-1M75030H-S2

What drive pairs with the R88M-1M75030H-S2?
The 1S-series drive R88D-1SN08H-ECT (EtherCAT) for new installations. For 400 V three-phase panels, use the R88D-1SN08F-ECT. Do not pair the 1S motor with a G5-series drive (R88D-KN08H-ECT) — the motor parameter sets and encoder feedback protocols differ.
What is the difference between R88M-1M75030H-S2 and R88M-K75030H-S2?
Same 750 W power, same 3000 rpm speed, same 200 V drive, same S2 (no brake) shaft. The 1S (R88M-1) is the current-generation with 23-bit encoder (8,388,608 pulses/rev) and 350 % peak torque; the G5 (R88M-K) is the previous generation with 20-bit encoder and 300 % peak torque. Pick 1S for new designs with NJ501 / NX102 / NX1P; pick G5 for compatibility with existing G5 systems.
Does the R88M-1M75030H-S2 have a battery?
No — the H suffix means 23-bit incremental encoder, which does not need a battery. If you need absolute position retention through power cycles, order the R88M-1M75030T-S2 (T suffix = 23-bit battery-free absolute encoder) or the R88M-1M75030T-BS2 (with brake). The 1S multi-turn absolute encoder uses an electronic counter that does not require a backup battery, unlike the G5 absolute encoder which did.
What controller pairs with the R88M-1M75030H-S2 over EtherCAT?
Any Sysmac controller: NJ501-1300, NJ501-1400, NJ501-1500, NX102-1000, NX102-1100, NX102-1200, or NX1P2-1040DT. Connect the R88D-1SN08H-ECT drive to the controller's EtherCAT port, scan the network in Sysmac Studio, and the axis configuration populates automatically. The 1S-series electronic data sheet (EDS) is included in Sysmac Studio 1.20 or later.

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