HollySys LK Series User Manual

Chapter 5 Master Control Unit
102 Beijing HollySys Intelligent Technologies Co., Ltd. All Rights Reserved
5.5.8 Technical Specifications
LK240 Redundancy Communication Module
Processor
CPU platform
ARM
Memory
SRAM
Off-chip memory, 512KB, bit width 16
Fiber Interface
Number of Channels
2
Interface Type
LC type
Media Redundancy
Supported
PCIe Bus
Communication Speed
Meet PCIE(1.0) interface, 2.5Gb/S
with a load capacity
1-channel X1
Protection Rating
IP20
Hot Plug
Supported
Power supply
Input voltage
Related to the output of LK921
Module Dissipation (max.)
6W
System Performance
Redundancy Performance
The redundant switching time is no more
than 130 ms
Starting Time
Time from the moment when the module is powered on to the moment
when initialization is done
≤
10 s
Physical Property
Installation Pattern
Backboard slot
Module Dimension (W*H*D)
44.7 mm*166 mm*152 mm
±
0.5 mm
Weight
365 g
After switching redundant controller, RTC restores default value. The controller timing
needs to be operated as following:
 Each controller timing is operated alone after power on.
 Configure SET_RTC function blocks for redundancy controller timing at the same
time. Refer to HollySys Programmable Logic Controller PLC Instruction Manual for
SET_RTC function block.

HollySys LK Series Specifications

General

Brand	HollySys
Model	LK Series
Category	Controller
Language	English