Specifications

Publication 1747-SG001E-EN-E - February 2013
Select an SLC 500 Processor 71
SLC 500 Programming
Instruction Set
The following table shows the SLC 500 instruction set listed within their functional
groups.
SLC Programming Instruction Set
Functional Group Description Instruction(s) SLC
5/01
SLC
5/02
SLC
5/03
SLC
5/04
SLC
5/05
Bit monitor and control status of bits XIC, XIO, OTE, OTL, OTU, OSR ✓✓✓✓✓
Timer and Counter control operations based on time or
number of events
✓✓✓✓✓
Compare compare values using an expression
or specific compare instruction
EQU, NEQ, LES, LEQ, GRT, GEQ,
MEQ
✓✓✓✓✓
LIM ✓✓✓✓
Compute evaluate arithmetic operations using
an expression or specific arithmetic
instruction
ADD, SUB, MUL, DIV, DDV, CLR,
NEG
✓✓✓✓✓
SQR, SCL ✓✓✓✓
SCP, ABS, CPT, SWP, ASN, ACS,
ATN, COS, LN, LOG, SIN, TAN,
XPY, RMP
✓✓✓
Logical perform logical operations on bits AND, OR, XOR, NOT ✓✓✓✓✓
Conversion perform conversion between integer
and BCD values, and radian and
degree values
TOD, FRD, DCD ✓✓✓✓✓
DEG, RAD, ENC ✓✓✓
Move move and modify bits MOV, MVM, RPC ✓✓✓✓✓
File perform operations of file data COP, FLL, BSL, BSR ✓✓✓✓✓
FFL, FFU, LFL, LFU, FBC, DDT ✓✓✓✓
Sequencer monitor consistent and repeatable
operations
SQO, SQC ✓✓✓✓✓
SQL ✓✓✓✓
Program Control change the flow of ladder program
execution
JMP, LBL, JSR, SBR, RET, MCR,
TND, SUS, IIM, IOM, END
✓✓✓✓✓
REF ✓✓✓✓
User Interrupt interrupt your program based on
defined events
STD, STE, STS, IID, IIE, RPI, INT ✓✓✓✓
Process Control close-looped control PID ✓✓✓✓
Communications read or write data to another station MSG, SVC, BTR, BTW, CEM, DEM,
EEM (SLC 5/05 only)
✓✓✓✓
ASCII read, write, compare, convert ASCII
strings
ABL, ACB, ACI, ACL, ACN, AEX,
AHL, AIC, ARD, ARL, ASC, ASR,
AWA, AWT
✓✓✓