ACUSYS Co., Ltd. ACUSYS BLIIoT distributor in Korea
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The following documents are available. Tell us what you need when you enquire and we will send it.

Technical guides

Answers to the questions we are asked most often in the field. Open them directly.

Wiring guideWiring diagrams: dry contacts · NPN/PNP sensors · pilot lamps · relays · 4-20mA · RS485 Guide BL192 MQTT setup guideWeb configuration screens, Custom Cloud fields, register numbers and data format, troubleshooting Guide MQTT broker and client implementation guidePacket structure explained, with ready-to-run Python and C examples Guide Terminal layout by boardPinout tables for X- and Y-series I/O boards Guide

Available documents

  • Datasheets and selection guides by model
  • User manuals and wiring diagrams
  • Firmware and configuration utilities (QuickConfig, EdgeCoder, BLRAT)
  • Node-RED and control-logic example projects
  • CE, FCC and RoHS certificates; ISO 9001 certificate

Scope of support

  • Review of protocol configuration based on your equipment list
  • Loan of evaluation samples and test setup
  • Root-cause analysis of communication faults (packet level)
  • On-site commissioning and initial parameter setup
  • OEM/ODM specification discussion for volume deployment

Downloads

Leave your company, name, phone number and email and the file is saved right away.

BL192 / BL192Pro user manual IOy series edge I/O module · Korean edition V1.0 (2025-07-10) PDF · 5MB ARMxy BL340 user manual ARMxy series embedded computer · Korean edition V1.1 (2026-03-20) PDF · 2MB X23 user manual X series expansion board — RS485/RS232 4 channels + 4DI + 4DO · Korean edition V1.0 PDF · 0.6MB Y01 / Y02 user manual Y series expansion board — digital I/O 4DI + 4DO · Korean edition V1.0 PDF · 0.5MB Y31 / Y33 user manual Y series expansion board — analog input 4 channels · Korean edition V1.0 PDF · 0.4MB Y41 user manual Y series expansion board — current output 4 channels · Korean edition V1.0 PDF · 0.4MB Minimal MQTT broker for testing (Python) Standard library only · prints BL192 payloads in readable form Python · 11KB BL192 receive and control example (Python) Implemented directly on sockets · for checking protocol behavior Python · 6KB BL192 receive example (Python · paho-mqtt) Reconnection, QoS and TLS handled by the library — recommended for production Python · 2KB BL192 receive example (C) No external libraries · builds on both Windows (Winsock) and Linux C · 10KB BL192 receive example (C#) No external packages · builds on .NET, Windows (csc) and Mono C# · 13KB MQTT test tools (Windows executables) GUI broker · console broker · GUI client + full source · no installation required Windows · 347KB
FAQFrequently asked questions
Do we have to replace our existing PLC?No. The usual arrangement is to leave the existing PLC in place and attach an EdgeIO controller or gateway in parallel, simply to collect the data.
We are not sure which model to choose.Tell us three things — the type of equipment, the point count (DI/DO/AI/AO) and the upstream system — and we will reply with two or three candidates and an outline configuration.
What is the lead time?Models held in stock in Korea ship immediately; otherwise it normally takes 2 to 4 weeks after the specification is confirmed. This varies depending on quantity and timing, so we confirm it and reply when you enquire.
What is the warranty period?One year from the date of purchase. Material and quality defects within that period are repaired free of charge; failures caused by user damage or misuse are excluded. ACUSYS handles intake and processing in Korea.
Are custom I/O configurations possible?Yes. Most cases are covered by combining X and Y series boards; beyond that range, a dedicated board is produced through the manufacturer's OEM/ODM line.