HollySys LK Series User Manual

Chapter 6 IO Unit
138 Beijing HollySys Intelligent Technologies Co., Ltd. All Rights Reserved
LK234 Ethernet Interface Module
Number of Communication Ports
2-way
Redundancy Function
Support redundancy
Level Standard
EIA/TIA-485
Communication Port Type
Backboard communication
Communication Speed (bps)
187.5kbps, 500kbps, 1.5Mbps
Protocol
Hollisys DP master station
Electrical Isolation
No isolation between channel and system
Two-way RS485 are not isolated
Ethernet Bus
Number of Communication Ports
2-way
Redundancy Function
Support redundancy, switching time is not more than 50ms
Level Standard
IEEE 802.3
Communication Port Type
Standard RJ45
Communication Speed (bps)
10/100Mbps, self-adaption
Communication Protocol
HolliTCP protocol
Protection Rating
Protection Rating of Module
IP20
Hot Plug
Module Hot Plugging
Supported
Power Supply
Input Voltage
24VDC
（
-15%~+20%
）
Module Power Consumption (max.)
180mA@24VDC
Rated Voltage
24.0VDC
Dual-network Redundancy
DP Dual-network Redundancy
DP bus support redundancy
HolliTCP Dual-network Redundancy
HolliTCP supports redundancy
Start Time
The time from power-up to initialization of the module
≤
40 s
Physical Property
Installation Way
Slot installation

HollySys LK Series Specifications

General

Brand	HollySys
Model	LK Series
Category	Controller
Language	English