CONTENT
1. PLC FUNCTION APPLICATION ............................................. 3
1.1 PLC INTRODUCTION ................................................................................................................................................................ 3
1.2 PRECAUTIONS OF USING THE PLC FUNCTION ......................................................................................................................... 3
1.3 SYSTEM CONFIGURATION ........................................................................................................................................................ 4
1.3.1 Editing Tools SL-Ladder Developer
............................................................................................................................ 4
1.3.2
Connect with computer configuration
.......................................................................................................................... 4
1.3.3 Program download
......................................................................................................................................................... 5
1.3.4 Keypad description
........................................................................................................................................................ 6
1.4 RELATED PARAMETER DESCRIPTION ...................................................................................................................................... 7
1.4.1
Parameter Description
................................................................................................................................................... 7
1.4.2
Communication configuration for Program downloads
............................................................................................. 8
1.4.3 PLC execution method
.................................................................................................................................................. 8
1.4.4
Clear PLC internal storage
........................................................................................................................................... 9
1.4.5
PLC component monitoring
.......................................................................................................................................... 9
1.5. PLC CONFIGURATION ........................................................................................................................................................... 10
1.5.1 SA3
PLC specifications
............................................................................................................................................... 10
1.5.2 SE3
PLC specifications
............................................................................................................................................... 11
1.5.3 SF3
PLC specifications
............................................................................................................................................... 12
1.5.4
I/O device corresponding description
........................................................................................................................ 13
1.5.5
Device function specification
...................................................................................................................................... 17
1.5.6
Special M relay function description
.......................................................................................................................... 19
1.5.7
Special D register function description
..................................................................................................................... 21
1.5.8
Analog output
................................................................................................................................................................ 25
1.5.9
Analog input
.................................................................................................................................................................. 30
1.5.10
Pulse train input function
.......................................................................................................................................... 31
2. COMMAND FUNCTION DESCRIPTION ............................... 32
2.1 BASIC INSTRUCTIONS ............................................................................................................................................................. 32
2.2 FUNCTION INSTRUCTION ........................................................................................................................................................ 40
3. COMMUNICATION APPLICATION NOTE ............................ 48
3.1 MODBUS COMMUNICATION PROTOCOL .................................................................................................................................. 48
3.2 PLC COMMUNICATION PROTOCOL ......................................................................................................................................... 51
APPENDIX I .............................................................................. 52