Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 240 / 478

6 No-protocol Mode
6-12
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
6-3 Using Serial Port I/O Instructions
Perform system settings by using Sysmac Studio.
Use the SerialSend, SerialRcv, or SerialRcvNoClear instruction. Programming examples are provided
below.
Send the no-protocol command to the OMRON bar code reader V500-R521C2 connected to serial port
2 of the Serial Communications Unit (unit number 0, device name 'Barcode'). The command sent is the
scene number acquisition command '@READ.'
The send data is the content of the array variable SendDat[]. There is no start code and the end code is
16#OD (CR).
z
Unit Settings
* Make sure the settings match the corresponding settings at the destination.
6-3-1 System Settings
6-3-2 Instruction Execution Methods
Sending from Controller to External Device
Name Setting target Setting
Unit Configuration CPU/Expansion Racks in
Configuration and Setup of
Sysmac Studio Mount CJ1W-SCU22 in slot 0
of the CPU Rack.
Device name of this unit Barcode
Unit number Unit number switch and Unit
Configuration (CPU/Expan-
sion Racks in Configuration
and Setup of Sysmac Studio) Unit number: 0
Serial Communications Mode System Settings data No-protocol Mode
Port setting Default (*)
No-protocol End Code D
No-protocol Start Code inclu-
sion No
No-protocol End Code inclu-
sion Yes (Specify a desired end
code.)
Serial Communication Unit
Unit number 0
Serial port 2
Send command
Bar code reader