GSK 218M, Connection And Plc Manual

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GSK218M CNC System Connection and PLC Manual
36
5 PLC Functional Instructions
Basic instructions such as controlling operations of machine tool are difficult to program, therefore,
functional instructions are available to facilitate programming.
218M functional instruction as follows:
No. Instruction Processing
1 END1
End of a first-level ladder
program
2 END2
End of a second-level ladder
program
3 CALL
Calling subprogram
4 SP
Subprogram
5 SPE
End of subprogram
6 SET
Set
7 RST
Reset
8 JMPB
Lable jump
9 LBL
Label
10 TMR
Timer
11 CTR
Binary meter
12 DEC
Binary decoding
13 COD
Binary code conversion
14 COM
Common line control
15 COME
End of common line control
16 ROT
Binary rotation control
17 SFT
Register shift
18 DIFU
Rising edge check
19 DIFD
Failing edge check
20 COMP
Binary comparison
21 COIN
Coincidence check
22 MOVN
Transfer of an arbitrary
number of bytes
23 XMOV
Indexed data transfer
24 DSCH
Binary data search
25 ADD
Binary addition
26 SUB
Binary subtraction
27 ANDF
Logical production