Part of the Omron Servo series — see the full model table, lifecycle status and replacement parts.
Omron R88D-KT04H-Z — Accurax G5 Drive, 400 W, STO
SKU: R88D-KT04H-ZUSD 360.00
Accurax G5 servo drive, 400 W, 200 VAC, analog/pulse, built-in STO/SS1/SLS. In stock.
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Product Overview
The Omron R88D-KT04H-Z is a 400 W Accurax G5 analog and pulse-train servo drive from the G5 K-series It is 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.
The drive accepts analog +/-10 V velocity or torque commands and pulse-train position commands on a single-phase 200 to 240 VAC supply. Three control modes are selectable per axis: position, velocity and torque.
The chassis is book-style, 55 x 150 x 130 mm, 1.1 kg. Key specs: Rated Output 400 W (0.4 kW); Rated Supply Single-phase 200 to 240 VAC, 50/60 Hz; Command Input Analog +/-10 V (velocity / torque); pulse-train (position); Control Modes Position, velocity and torque; switchable per axis; Current Loop 2 kHz; Encoder Feedback 20-bit absolute (131072 pulses per rev) on the matching R88M-K motor; Indexer Drive Programming, up to 32 position points; Functional Safety STO, SS1, SLS per IEC 61800-5-2; SIL3 / PLe (EN ISO 13849-1).
Key Features
- Accurax G5 K-series servo drive, 400 W, single-phase 200-240 VAC
- Analog +/-10 V and pulse-train position command input, position/velocity/torque control modes
- 20-bit absolute encoder feedback on the matching R88M-K motors (no homing required)
- Built-in STO / SS1 / SLS rated SIL3 / PLe per IEC 61800-5-2, CX-Drive commissioning over USB
- SKU: R88D-KT04H-Z
- Series: Omron Accurax G5-series K-type analog/pulse servo drive
Best-Fit Applications
- Packaging line indexer where the analog +/-10 V velocity command reads from a CP1L transistor output and the 20-bit absolute encoder drops the homing routine
- Conveyor synchronisation with the integrated Drive Programming indexer holding up to 32 setpoints for changeover recipes
- Spare drop-in for an existing G5 panel where the previous R88D-KT04H failed and the cabinet needs the SIL3 / PLe safety rating
Buying Checklist
- Pick the R88D-KT04H-Z for a 400 W Accurax G5 drive with analog + pulse command and the SIL3 / PLe functional-safety option.
- Pick the R88D-KT04H instead when the cabinet does not need the SIL3 / PLe STO / SS1 / SLS option.
- Pick the R88D-KN04H-ECT-Z instead when the cabinet needs an EtherCAT bus on the same 400 W G5 platform.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | Omron Accurax G5-series K-type analog/pulse servo drive |
| Model / SKU | R88D-KT04H-Z |
| Rated Output | 400 W (0.4 kW) |
| Rated Supply | Single-phase 200 to 240 VAC, 50/60 Hz |
| Command Input | Analog +/-10 V (velocity / torque); pulse-train (position) |
| Control Modes | Position, velocity and torque; switchable per axis |
| Current Loop | 2 kHz |
| Encoder Feedback | 20-bit absolute (131072 pulses per rev) on the matching R88M-K motor |
| Indexer | Drive Programming, up to 32 position points |
| Functional Safety | STO, SS1, SLS per IEC 61800-5-2; SIL3 / PLe (EN ISO 13849-1) |
| Dimensions / Weight | 55 (W) x 150 (H) x 130 (D) mm; 1.1 kg; CX-Drive over USB |
FAQ for R88D-KT04H-Z
What does the -Z suffix mean on the R88D-KT04H-Z?
The -Z suffix marks the functional-safety option. The drive includes STO (Safe Torque Off), SS1 (Safe Stop 1) and SLS (Safely-Limited Speed) inputs rated SIL3 / PLe per IEC 61800-5-2 and EN ISO 13849-1. The base R88D-KT04H lacks the safety option and has no STO input.
Which motor pairs with the R88D-KT04H-Z?
Any Accurax G5 400 W 200 V class servomotor with absolute encoder, typically the R88M-K40030H-S2 (incremental 20-bit encoder, keyway shaft) or R88M-K40030H-S2-Z (absolute encoder). Use the R88A-CAKA power cable and R88A-CRKA encoder cable.
Does the R88D-KT04H-Z need an external safety relay?
No for STO. The STO inputs are dual-channel and wire directly to a safety PLC or safety relay output. For SS1 or SLS, the safety logic in the safety PLC controls the deceleration profile and the SLS speed limit; the drive handles the torque-off internally.
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