HollySys LKA102 User Manual

HollySys LKA102 Specifications

General

Product Type	Controller
Input Voltage	24V DC
Output Voltage	24V DC
Protection Class	IP20
Humidity	5% to 95% (non-condensing)

Summary

Chapter 3: Installation and Wiring

3.1 Layout Planning and Installation

3.2 System Wiring

Details system wiring procedures for power, communication, and I/O cables.

Chapter 4: System Configuration

4.1 Hardware Configuration

Guides on configuring DP slave devices, HOLLITCP slave devices, and MODBUS TCP protocols.

4.2 System Running

Chapter 5: Master Control Unit

5.3 LK220 Master Control Module

Explains the LK220 module's features, appearance, operating principle, status indicators, interface, and technical specifications.

5.4 LK249 DP Master Station Communication Module

Describes the LK249 module's features, appearance, size, status indication, operating principle, terminals, diagnosis, and baud rate settings.

5.5 LK240 Redundancy Communication Module

Covers LK240 module features, appearance, size, status indication, operating principle, wiring, A/B frame settings, master-slave determination, and technical specifications.

Chapter 6: IO Unit

6.2 Extension Backboard

6.3 Communication Module

Chapter 7: IO Module

7.8 LK620 Counting Module

Details LK620 features, principle, modes, indicators, wirings, function description, and technical specifications.

Chapter 9: Fault and Treatment

9.1 Fault Mechanism

Lists serious failures like LK220/LK249/LK921 faults, Ethernet, DP link, power faults, and system faults.

9.2 Troubleshooting Way

Outlines troubleshooting steps: checking indicators, using AutoThink tools, and viewing diagnosis information.

9.3 Fault Phenomenon and Causes