81 Publication 1763-RM001C-EN-P - October 2009
Chapter
3
Programming Instructions Overview
Instruction Set
The following table shows the MicroLogix 1100 programming instructions
listed within their functional group.
(1)
(1) The RTA - Real Time Clock Adjust Instruction appears on page 53 following the Real-Time Clock Function File information.
Functional Group Description Page
High-Speed Counter HSL, RAC – The high-speed counter instructions (along with the HSC function file) allow you to monitor
and control the high-speed outputs. Generally used with DC inputs.
89
High-Speed Outputs PTO, PWM – The high-speed output instructions (along with the PTO and PWM function files) allow you
to monitor and control the high-speed outputs. Generally used with FET outputs (BBB units).
127
Relay-Type (Bit) XIC, XIO, OTE, OTL, OTU, OSR, ONS, OSF – The relay-type (bit) instructions monitor and control the status
of bits.
159
Timer and Counter TON, TOF, RTO, CTU, CTD, RES – The timer and counter instructions control operations based on time or
the number of events.
167
Compare EQU, NEQ, LES, LEQ, GRT, GEQ, MEQ, LIM – The compare instructions compare values by using a specific
compare operation.
179
Math ADD, SUB, MUL, DIV, NEG, CLR, ABS, SQR, SCL, SCP, SWP – The math instructions perform arithmetic
operations.
187
Conversion DCD, ENC, TOD, FRD, GCD – The conversion instructions multiplex and de-multiplex data and perform
conversions between binary and decimal values.
201
Logical AND, OR, XOR, NOT – The logical instructions perform bit-wise logical operations on words. 211
Move MOV, MVM – The move instructions modify and move words. 217
File CPW, COP, FLL, BSL, BSR, FFL, FFU, LFL, LFU – The file instructions perform operations on file data. 221
Sequencer SQC, SQO, SQL – Sequencer instructions are used to control automatic assembly machines that have
consistent and repeatable operations.
239
Program Control JMP, LBL, JSR, SBR, RET, SUS, TND, MCR, END – The program flow instructions change the flow of
ladder program execution.
249
Input and Output IIM, IOM, REF – The input and output instructions allow you to selectively update data without waiting
for the input and output scans.
255
User Interrupt STS, INT, UID, UIE, UIF – The user interrupt instructions allow you to interrupt your program based on
defined events.
259
Process Control PID – The process control instruction provides closed-loop control. 279
ASCII ABL, ACB, ACI, ACL, ACN, AEX, AHL, AIC, ARD, ARL, ASC, ASR, AWA, AWT – The ASCII instructions
convert and write ASCII strings.
309
Communications MSG, SVC – The communication instructions read or write data to another station. 341
Recipe RCP – The recipe instruction allows you to transfer a data set between the recipe database and a set of
user-specified data table elements.
427
Data Logging DLG – The data logging instruction allow you to capture time-stamped and date-stamped data. 427
LCD LCD - The LCD instruction transfers data from a data file to the LCD and receives a value from the LCD
keypad.
445
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