HollySys LK Series User Manual

Chapter 8 Accessory
312 Beijing HollySys Intelligent Technologies Co., Ltd. All Rights Reserved
Cable Identification
Signal Definition
Output wire
Green wire A
DP negative (DPOUT-)
Red wire B
DP positive (DPOUT+)
See LKA104 wiring in chapter 3.2.3.3 for the cable requirements and wiring steps.
When multiple LKA101 connectors realize cascade connection between backboards, it shall observe
the following rules:
When located on the master control backboard and dial switch in OFF, there are only outgoing lines.
When located on the extension backboard in the middle and dial switch in OFF, there are both
incoming and outgoing lines.
When located on the last extension backboard and dial switch in ON, there are only incoming lines.
8.1.5 Installation
Refer to chapter 3.1.6 Installation of LKA104.
8.1.6 Technical Specifications
LKA101 PROFIBUS-DP Bus Connector Module
Connector
D-sub 9 pin
Cable outer diameter
8mm
±
0.4mm
Screw specification
Shell screw
M3, mechanical screw
DB9 screw
4-40UNC-2A
Wiring bracket screw
M3, mechanical tooth free screw
Maximum torque
（
Nm
）
Shell screw
0.5Nm
DB9 screw
0.4Nm
Wiring bracket screw
0.22~0.25Nm
Cross-sectional area of core
Rigid wire
0.14~1.5mm2
Flexible wire
0.14~1mm2
AWG
26~16
Termination resistance
220Ω
Module Dimension (W*H*D)
43mm
×
67mm
×
16mm
Protection class
EN60529 IP20
8.2 LKA102 LK220 Battery Power Box
Module
LKA102 provides the backup battery for RTC of the LK220 module.
When LK220 is powered off, LKA102 supplies power to RTC via Springs A and C to keep RTC in the
standby mode. The battery voltage is 3.0 V, the capacity is 1,000mAh, which can keep the typical
standby value of RTC for 1 year.

HollySys LK Series Specifications

General

Brand	HollySys
Model	LK Series
Category	Controller
Language	English