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Ethernet-Based Programmable Computer
Leader-6800 Series

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Ethernet-Based Programmable Computer > Leader-6800 Series

Leader-6800 Series

The Leader-6800 is a series of ARM-9 based programmable I/O system for distributive monitoring and controls. It serves as an Ethernet-enabled Soft-logic controller including ladder diagram, intuitive C language and condition logic rule for I/O messaging with locally modular I/O capacity and Ethernet, RS-232 and RS-485 communication. One main CPU module features built-in ARM9-based processor with Windows CE operating system, and an additional proprietary local bus, which can be connected assembly up to 8 industrial I/O modules including digital I/O, analog I/O and special purpose I/O modules. It offers increased flexibility to customize your I/O to your exact needs, and resulting in smaller cabinet space over the fixed rack-based configuration.

Industrial Design on Wiring and Installation
The Leader-6800 series consists of modular components that plugs them together and mount onto a DIN rail. Each modular component consists of a base unit and a main unit to form the modular I/O assembly. The base unit provides an I/O and power link between modular I/O and snaps onto the DIN rail. The main unit which packages the main circuitry plugs into an individual base unit and provides screw-terminal plug connector for I/O wiring which simplifies any expanding, reconfiguring, or repairing of the system.


Programmable I/O Controls with Wide Range I/O Support
The Leader-6800 offers real-time, deterministic execution kernel on Windows CE O.S. It supports IEC 61131-3 programming language- Ladder Diagram, intuitive C language and condition logic rules for I/O messaging to meet your development needs. The programmable I/O series provides flexible I/O supports local real-time control with modular I/O and remote monitoring for all Modbus-compliant I/O devices.

Versatility Modbus Communication Network
The Leader-6800 can simultaneously communicate with Ethernet port for Modbus/TCP client to retrieve I/O data form remote Modbus/TCP I/O device, and Modbus/TCP server to communicate with 3rd party HMI/SCADA package. In addition to Ethernet connectivity, the Leader-6800 also supports Modbus/RTU master and Modbus/RTU slave function via built-in serial port RS-232 and RS-485. Furthermore, it allows users to construct the own proprietary communication protocol by using our SDK coded in C language.


  • ARM-9 Based 200MHz CPU with Windows CE O.S·
  • IEC 61131-3 programming language- Ladder Diagram
  • Intuitive C language and condition logic rules for I/O messaging
  • Up to 8 I/O modules expansion capacity
  • Built-in 10/100Mbps Ethernet Full Duplex Auto Negotiation Support Modbus/TCP server and client
  • Support Modbus/RTU master via RS-232, RS-485
  • Support configuration via built-in Web browser (HTML), device finder and I/O configuration utilities
  • Easy-installation DIN-rail mounting
  • Support OPC server driver and C++ sample code

System Features

 Model Name

 Leader-6800 Series

 I/O System


 ARM-9 Based 200MHz


Ladder Diagram, C/C++, Condition Logic Rule 


1 x 10/100 Mbps, RJ-45


32 MB


16 MB


I2C, 2048 bits





 Local I/O Expansion Slots

Up to 8 (D/I, D/O, A/I, A/O)
DI: up to 192; DO: up to 192; AI: up to 64; AO: up to 32

 DIN-rail Mounting


 Remote Monitoring

Web Server


 Network Server

FTP server, Http, SNMP

 SDK Provided

C/C++, C#, VB, BCB


FlexIO Manager

 OPC Server Driver


 Communication Protocal





System Architecture


Ethernet-Based System CPU Module

  24-Channel Isolated Digital Input Module
  24-Channel Isolated Digital Output Module
  8-Channel Analog Input Module
  4-Channel Analog Output Moudle
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