A-2-22 Serial Communications Instructions - Omron CJ2 - 02-2010 User Manual

Instruction Mnemonic
PCU HIGH-SPEED NCDMV
POSITIONING (CJ1W-
NC@@4 or CJ1W-
NC@81 only)
PCU POSITIONING NCDTR
TRIGGER (CJ1W-
NC@81 only)
INTELLIGENT I/O IORD
READ
INTELLIGENT I/O IOWR
WRITE
*1 Execution of the IORD, IORW, and FIORF instructions depends on the Special I/O Units for which they are being exe-
cuted.
A-2-22 Serial Communications Instructions
Instruction Mnemonic
PROTOCOL MACRO PMCR
PROTOCOL MACRO PMCR2
2
TRANSMIT TXD
RECEIVE RXD
TRANSMIT VIA TXDU
SERIAL COMMUNI-
CATIONS
UNIT/SERIAL PORT
(CJ1W-SCU22, CJ1W-
SCU32, or CJ1W-
SCU42 only)
RECEIVE VIA SERIAL RXDU
COMMUNICATIONS
UNIT/SERIAL PORT
(CJ1W-SCU22, CJ1W-
SCU32, or CJ1W-
SCU42 only)
DIRECT TRANSMIT DTXDU
VIA SERIAL COMMU-
NICATIONS UNIT
DIRECT RECEIVE DRXDU
VIA SERIAL COMMU-
NICATIONS UNIT
CHANGE SERIAL STUP
PORT SETUP
CJ2 CPU Unit Software User's Manual
Length
FUN No.
(steps)
CPU6@(-EIP)
218 4 81.7
219 3 22.9
222 4 *1
223 4 *1
Length
FUN No.
(steps)
260 5
264 6
236 4
235 4
256 4
255 4
262 4
261 4
237 3
ON execution time (µs)
CJ2H CJ2M-
CPU@@
95.3
25.5
*1
*1
ON execution time (µs)
CJ2H CJ2M-
CPU6@(-EIP) CPU@@
57.8 97.8
77 132
49.5 96.0
69 129
57.5 93.8
517 947
79 128
570 1033
75 130
74 128
25.8 37.0
179 203
27.8 39.7
188 205
233 276
Appendices
Conditions
---
---
---
---
Conditions
Direct specification
Operand specifica-
tion, sending 1 word,
receiving 1 word
Direct specification
Operand specifica-
tion, sending 1 word,
receiving 1 word
Sending 1 byte
Sending 256 bytes
Storing 1 byte
Storing 256 bytes
Sending 1 byte
Storing 1 byte
Sending 1 byte
Sending 256 bytes
Storing 1 byte
Storing 256 bytes
Addressed to COM
port on CPU Unit
A-97