Key facts
- Manuals
- 11
- Languages
- JA · ZH
- Last added
- 2012-05-07
Featured KOYO manuals

Koyo K-Sequence User Manual
This manual describes the communication ports of the Koyo K-Sequence controller, including RS‑232 and RS‑485 connections, pin assignments, and wiring details. It lists the supported baud rate and connector types for each interface.
The document also contains a complete register map and bit‑level definitions for inputs, outputs, relays, timers, counters, and special functions, along with error messages and notes for proper configuration. This manual is written in Japanese.
Covers: Communication Interfaces · RS-232 Connection · RS-485 Connection · Register Map · Bit Definitions · Error Codes

Koyo CL-02DS Programming Display User Manual
The Koyo CL-02DS is a programming display unit designed for use with S‑series PLCs. It provides a 192 × 32 pixel LCD, RS‑232 communication and configurable alarm and display settings.
The manual covers functional descriptions, parameter settings, wiring diagrams, RS‑232 setup, alarm configuration, and troubleshooting steps to help users install and operate the device safely. This manual is written in Chinese.
Covers: Functions · Parameters · Operation Mode · Display Settings · Wiring Diagram · RS‑232 Communication
Koyo GT03 Programmable Graphic Display Unit User Manual
This manual introduces the GT03 programmable graphic display unit, which serves as a configurable visual interface for PLCs. It describes the main features such as LED‑backlit STN LCD, 24‑character × 4‑line display, selectable RS‑232C/RS‑485 communication, and up to 128 KB of user program storage.
The document details hardware specifications, pin definitions, and connector diagrams, followed by step‑by‑step guidance for installing and using the Windows‑based programming tool. It also explains key functions, password protection, alarm handling, and how to upload or download screen data to the device. This manual is written in Chinese.
Covers: 产品概述 · 性能规格 · 环境条件 · 硬件规格 · 外形示意图 · 串行通讯口引脚定义与通讯电缆连接图例

Koyo U-03RM/U-03RS Long-Range I/O Module Technical Data
The document provides technical data for Koyo's U-03RM (master) and U-03RS (remote) long‑range I/O modules, which are used in the distributed remote‑IO system of small‑high‑function PC KOSTAC SU‑5/SU‑6. It describes the basic composition, connection rules, and the allocation of IO points for both modules.
Installation, wiring, and programming details are covered, including power‑on self‑diagnostics, communication specifications, and CPU version requirements. The manual also explains manual and automatic IO point allocation, special registers, and the timing relationship between the CPU and the modules. This manual is written in Chinese.
Covers: 概要 · 使用时的注意点 · 通信规格 · U-03RM的规格 · U-03RS的规格 · 模块规格
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KOYO JTEKT Group Manual
This manual introduces Koyo's basic knowledge of bearings, including bearing design, function, history, design, features, applications, specialty bearing design and features, bearing part numbering and specifications.
Koyo K-Sequence User Manual
User Manual 3 pages · 140 KB · JAThe Koyo K-Sequence user manual provides details on communication interfaces, register maps, and bit definitions for the controller.
Koyo DL250 PID technology data
Koyo CL-02DS Programming Display User Manual
User Manual 20 pages · 116 KB · ZHThis manual explains the functions, specifications, operation and configuration of the Koyo CL-02DS programming display unit.
Koyo GT03 Programmable Graphic Display Unit User Manual
User Manual 59 pages · ZHThe Koyo GT03 user manual provides an overview, specifications, software usage, and operation instructions for the programmable graphic display unit.
Koyo GC series touch screen QuickStart Guide
Koyo U-03RM/U-03RS Long-Range I/O Module Technical Data
User Manual 59 pages · 2.8 MB · ZHTechnical data and usage information for Koyo U-03RM and U-03RS long‑range I/O modules.
Koyo GC-56LC2 / GC-55EM2 / GC-53LC3 / GC-53LM3 Touch Screen User Manual
User Manual 33 pages · 944 KB · ZHUser manual with safety, installation, wiring and operation instructions for Koyo GC series touch screen panels (GC-56LC2, GC-55EM2, GC-53LC3, GC-53LM3).
Koyo GC Series Touch Screen Quick Start Manual
Quick Start Guide 84 pages · 1.5 MB · ZHThe Koyo GC Series touch screen Quick Start Manual introduces the Operator's Interface Panel, basic operation, screen creation with Screen Creator 5, and…
KOYO ccm protocols user manual
Koyo ECOM Ethernet Communication Module Technology Data
User Manual 53 pages · 814 KB · ZHThe Koyo ECOM Ethernet communication module manual provides configuration, network settings, and module ID information.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Quick Start Guide
The shortest path to a working setup, usually only a few pages.
Questions answered in KOYO manuals
What is the baud rate for RS‑232 communication?
The RS‑232 interface uses 9600 baud, 8 data bits, odd parity, and 1 stop bit.
Which connector is used for the RS‑485 port?
The RS‑485 port uses a 9‑pin D‑SUB male connector with a terminal block.
What are the RS‑232 communication settings for the CL-02DS?
Connect the RS‑232C port with a 5 V TXD/RXD line, set the baud rate to 9600 bps, and the maximum cable length is 15 m.
What communication interfaces does the GT03 support?
The GT03 can use either an RS‑232C or an RS‑485 serial port, but the two ports cannot be used simultaneously.
From: Koyo GT03 Programmable Graphic Display Unit User Manual
How many user‑definable function keys are on the GT03?
The unit has 13 keys in total: 8 basic keys and 5 keys that can be programmed for custom functions.
From: Koyo GT03 Programmable Graphic Display Unit User Manual
What CPU version is required for the system?
CPU version V1.7 (May 1990) or later is required.
From: Koyo U-03RM/U-03RS Long-Range I/O Module Technical Data
