Chapter 4 PLC Features
4.2 Commands
ME0416-1A 4-9
4.2 Commands
RCON-LC has commands which are broadly divided into three types. One is the basic commands
that are to have ladder contact and output operation, another is the application commands to
process data and the other is DFC commands to perform processes related to axis control and
FB. Shown below is about each command.
For the details of operation and how to describe for each command, refer to LC Programming
Manual (ME0329).
4.2.1 Basic Commands
There are 25 types of the basic commands
List of Basic Commands
Command Type Command Name
Contact Commands LD, LDN, AND, ANDN, OR, ORN, LDP, LDF, ANDP, ANDF, ORP, ORF
Connection Commands
AND-BLK, OR-BLK, M-PUSH, M-READ, M-POP
Output Commands OUT, SET, RST, PLS, PLSN, SFT
End Commands END, ENDS
4.2.2 Application Commands
There are 56 types of the application commands.
List of Application Commands
Command Type Command Name
Data Comparison =, >=, <=, >, <, <>
+, -, *, /, B+, B-, B*, B/, INC, DEC
BCD, BIN
Transfer MOV, MOVN, MCPY, MSET, XCHG
Diverge JE, JMP, CALL, RET
Logical Operation LAND, LOR, LXOR, LXNR, NEG
Rotation ROR, RCR, ROL, RCL
Shift SHR, SHL, BSHR, BSHL, WSHR, WSHL
Data Process SUM, DECO, ENCO, BSET, BRST, DDV, DCV
FIFO FIFW, FIFR
Loop FOR, NEXT, BREAK
Carry Flag STC, CLC
To Next Page
Loading...
Need help?
General