Specifications
Specifications and Selection Criteria 49
1785-SO036C-EN-P - April 2002
Instruction Set The PLC-5 controller supports multiple industry-standard
programming languages. You can program logic in IEC 1131-based
structured text, function block, and these built-in ladder logic
instructions:
Spec & Select
Instruction family: Description:
relay-type The bit (relay-type) instructions monitor and control the status of bits.
XIC, XIO, OTE, OTL, OTU,IIN, IOT, IDI, IDO
timer and counter The timer and counter instructions control operations based on time or the number
of events.
TON, TOF, RTO, CTU, CTD, RES
compare The compare instructions compare values by using an expression or a specific
compare instruction.
CMP, EQU, GEQ, GRT, LEQ, LES, LIM, MEQ, NEQ
compute The compute/math instructions evaluate arithmetic operations using an expression
or a specific arithmetic instruction.
CPT, ACS, ADD, ASN, ATN, AVE, CLR, COS, DIV, LN, LOG, MUL, NEG, SIN, SQR, SRT,
STD, SUB, TAN, XPY
logical The logical instructions perform logical operations on bits.
AND, NOT, OR, XOR
conversion The conversion instruction convert integer and BCD values or convert radian and
degree values.
TOD, FRD, DEG, RAD
bit modify move The move instructions modify and move bits.
BTD, MOV, MVM
file The file instructions perform operations on file data and compare file data.
FAL, FSC, COP, FLL
diagnostic The diagnostic instructions compare data to help you detect problems.
FBC, DDT, DTR
shift Use the shift instructions to modify the location of data within files.
BSL, BSR, FFL, FFU, LFL, LFU
sequencer Sequencer instructions monitor consistent and repeatable operations.
SQO, SQI, SQL
program control Program flow instructions change the flow of ladder program execution.
MCR, JMP, LBL, FOR, NXT, BRK, JSR, SBR, RET, TND, AFI, ONS, OSR, OSF, SFR, EOT,
UIE, UID
process control The process control instruction provides closed-loop control.
PID
block-transfer The block-transfer instructions transfer words to or from other devices.
BTR, BTW, CIO
message The message instruction reads or writes a block of data to another station.
MSG
ASCII The ASCII instruction read, write, compare, and convert ASCII strings.
ABL, ACB, ACI, ACN, AEX, AHL, AIC, ARD, ARL, ASC, ASR, AWA, AWT