1305
CS-series Instruction Execution Times and Number of Steps Section 4-1
Note 1. When a double-length operand is used, add 1 to the value shown in the
length column in the following table.
2. Supported only by CPU Units Ver. 2.0 or later.
4-1-21 Serial Communications Instructions
Note When a double-length operand is used, add 1 to the value shown in the length
column in the following table.
4-1-22 Network Instructions
INTELLI-
GENT I/O
READ
IORD 222 4 Read/write times depend on the Special I/O
Unit for which the instruction is being exe-
cuted.
---
INTELLI-
GENT I/O
WRITE
IOWR 223 4 ---
Instruction Mnemonic Code Length
(steps)
(See note.)
ON execution time (µs) Conditions
CPU-6@HCPU-4@HCPU-6@ CPU-4@
Instruction Mnemonic Code Length
(steps)
(See note.)
ON execution time (µs) Conditions
CPU-6@HCPU-4@HCPU-6@ CPU-4@
PROTOCOL
MACRO
PMCR 260 5 100.1 142.1 276.8 276.8 Sending 0
words, receiv-
ing 0 words
134.2 189.6 305.9 305.9 Sending 1 word,
receiving 1 word
TRANSMIT TXD 236 4 68.5 98.8 98.8 98.8 Sending 1 byte
734.3 1.10 ms 1.10 ms 1.10 ms Sending 256
bytes
RECEIVE RXD 235 4 89.6 131.1 131.1 131.1 Storing 1 byte
724.2 1.11 ms 1.11 ms 1.11 ms Storing 256
bytes
TRANSMIT
VIA SERIAL
COMMUNI-
CATIONS
UNIT
TXDU 256 4 131.5 202.4 --- --- Sending 1 byte
RECEIVE VIA
SERIAL COM-
MUNICA-
TIONS UNIT
RXDU 255 4 131 200.8 --- --- Storing 1 byte
CHANGE
SERIAL
PORT SETUP
STUP 237 3 341.2 400.0 440.4 440.4 ---
Instruction Mnemonic Code Length
(steps)
(See note.)
ON execution time (µs) Conditions
CPU-6@HCPU-4@HCPU-6@ CPU-4@
NETWORK
SEND
SEND 090 4 84.4 123.9 123.9 123.9 ---
NETWORK
RECEIVE
RECV 098 4 85.4 124.7 124.7 124.7 ---
DELIVER
COMMAND
CMND 490 4 106.8 136.8 136.8 136.8 ---
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