HollySys LK Series User Manual

Chapter 5 Master Control Unit
Beijing HollySys Intelligent Technologies Co., Ltd. All Rights Reserved 71
5.1.3 Technical specifications
LK130 4-slot Backboard Module
Interface
Number of Slots
4
Physical Property
Installation Pattern
Install via a screw hole
Module Dimension (W*H*D)
235 mm *166 mm*44.3 mm
5.2 LK921 24V Power Switching Module
The LK921 module is a redundancy power module for the large-scale LK PLC. It can convert two
24VDC inputs into a 24VDC output, which is powering the master control module, redundancy
communication module and DP master station communication module via the LK130 backboard.
 Feature
 Input voltage: 24VDC (-15%,+20%)
 Input short circuit protection
 Hot swapping
 Support anti-reverse insert

HollySys LK Series Specifications

General

Brand	HollySys
Model	LK Series
Category	Controller
Language	English