Pixsys PL260, User Manual

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1 Acquisition and actuation module PL260 ......................... 5
1.1 Introduction ......................................................................................... 5
1.2 Front panel and main features ........................................................... 6
1.3 Main hardware features ...................................................................... 7
1.4 Size and installation ........................................................................... 8
1.5 Electrical wiring................................................................................... 9
1.5.1 Connectors and terminal blocks .................................................. 9
1.5.2 Connection of sensors to analogue inputs ................................ 12
1.5.3 Connection of a load cell ........................................................... 13
1.5.4 Connection of a bidirectional encoder....................................... 14
1.5.5 Connect PL260 to RS485 .............................................................. 14
1.6 Setting dip-switch ............................................................................. 15
1.6.1 Setting dip-switch to select EXP1 interface .............................. 15
1.6.2 Setting dip-switch to select analogue input AI1..4 .................... 16
1.6.3 Setting dip-switch to select analogue intput AI5..6 ................... 18
1.6.4 Setting PL260 protocol address ................................................ 20
1.7 PL260 memory areas ....................................................................... 21
1.7.1 Variables V memory area ......................................................... 21
1.7.2 Memory area “special marker SM” ............................................ 22
1.7.3 Memory area "digital inputs I" ................................................... 44
1.7.4 Memory area "digital outputs Q" ............................................... 44
1.7.5 Memory area "support marker M" ............................................. 44
1.7.6 Memory area "analogue inputs AI" ........................................... 44
1.7.7 Memory area "analogue outputs AQ" ....................................... 44
1.7.8 Memory area "timer T" .............................................................. 45
1.7.9 Memory area "preset timer PT" ................................................. 45
1.7.10 Memory area "counters C" ...................................................... 45
1.7.11 Memory area preset values of counters PV ............................ 45
1.7.12 Memory area EEPROM .......................................................... 45
1.7.13 Memory area MMC ................................................................. 46
1.7.14 Memory areas COMx_SEND and EXP1_SEND .................... 46
1.7.15 Memory areas COMx_RECEIVE and EXP1_RECEIVE ......... 46
1.8 Modbus RTU slave communication protocol .................................... 47
1.9 Addresses word/bit of PL260 for protocol Modbus RTU .................. 48
2 PL260 Ladder programming ............................................ 53
2.1 Introduction ....................................................................................... 53
2.2 Elements of Ladder programming .................................................... 53
2.2.1 Contacts digital inputs I ............................................................ 53
2.2.2 Digital outputs Q........................................................................ 53
2.2.3 Bistable relays B ....................................................................... 54
2.2.4 Timer T ...................................................................................... 54
2.2.5 Counter C .................................................................................. 55