Contents
Beijing HollySys Intelligent Technologies Co., Ltd. All Rights Reserved III
5.4.8 Technical Specifications .................................................................................................95
5.5 LK240 Redundancy Communication Module ................................................................96
5.5.1 Appearance and Size .....................................................................................................97
5.5.2 Status Indication .............................................................................................................98
5.5.3 Operating Principle .........................................................................................................99
5.5.4 Wiring .......................................................................................................................... 100
5.5.5 Set A/B Frame ............................................................................................................. 100
5.5.6 Master-slave Determination ........................................................................................ 101
5.5.7 Conditions of Master-slave Switchover ....................................................................... 101
5.5.8 Technical Specifications .............................................................................................. 102
5.6 LK141-A Empty Module ................................................................................................. 103
Chapter 6 IO Unit ......................................................................................................................... 105
6.1 Power Module ................................................................................................................... 105
6.1.1 LK910 24VDC Power Module .................................................................................. 105
6.2 Extension Backboard ....................................................................................................... 109
6.2.1 Interface Specification ................................................................................................. 110
6.2.2 Communication Address ............................................................................................. 112
6.2.3 LK117 11-slot Extension Backboard ........................................................................ 113
6.2.4 LK118 5-slot Extension Backboard .......................................................................... 114
6.3 Communication Module .................................................................................................... 117
6.3.1 LK232 PROFIBUS-DP Bus Repeater Module ......................................................... 117
6.3.2 LK233 PROFIBUS-DP Bus Optoelectronic Transceiver .......................................... 121
6.3.3 LK234 Ethernet Interface Module ............................................................................. 128
6.3.4 LK239 MODBUS Master/Slave Communication Extension Module ........................ 139
Chapter 7 IO Module ................................................................................................................... 173
7.1 LK610 16-channel Leaking Type Digital Input Module ............................................... 173
7.1.1 Basic Features ............................................................................................................ 173
7.1.2 Operating Principle ...................................................................................................... 173
7.1.3 Indicator Lamps ........................................................................................................... 174
7.1.4 Wirings ......................................................................................................................... 174
7.1.5 Diagnosis ..................................................................................................................... 176
7.1.6 Reverse Supply Protection .......................................................................................... 177
7.1.7 Parameters .................................................................................................................. 178
7.1.8 Technical Specifications .............................................................................................. 178
7.2 LK710 16-channel Source Type Digital Output Module ............................................. 179
7.2.1 Basic Features ............................................................................................................ 179
7.2.2 Operating Principle ...................................................................................................... 180
7.2.3 Indicator Lamps ........................................................................................................... 180
7.2.4 Wirings ......................................................................................................................... 181
7.2.5 Functions ..................................................................................................................... 182
7.2.6 Diagnosis ..................................................................................................................... 183
7.2.7 Parameters .................................................................................................................. 185
7.2.8 Data Area .................................................................................................................... 185
7.2.9 Technical Specifications .............................................................................................. 186
7.3 LK410 8-Channel Voltage Type Analog Input Module ................................................ 187
7.3.1 Basic Features ............................................................................................................ 187
7.3.2 Operating Principle ...................................................................................................... 187
7.3.3 Indicator Lamps ........................................................................................................... 188
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