Shimadzu OMRON CJ Series, Network Connection Manual

Page: 11 / 82

6
．
Serial Communications Settings
8
6. Serial Communications Settings
This section describes the parameters and cable wiring that are used in this guide.
6.1. Parameters
The following parameters are required to connect the Balance and the PLC via serial
communications.
ATX-R/ATY-R series
Item PLC (Serial Communications Unit) ATX-R/ATY-R series
Unit number 0
―
Communications port
(communications type) Port 2 (RS-232C)
―
Serial communications mode Protocol macro
―
Communication specifications
―
MODE.2
(standard settings 2)
*1
Data (bit) length 8 bits 8 (fixed)
Stop bit (length) 1 bit 1 (fixed)
Parity None None (fixed)
Baud rate (communication speed) 1200 bps 1200 bps (fixed)
Protocol macro transmission
method (Full-duplex / Half-duplex)
Full-duplex
―
Handshake
―
Hardware
Data format
―
Shimadzu standard (fixed)
Delimiter
―
CR (fixed)
*
When setting the communication specifications to "MODE.2" (standard settings 2), the following items
are all set at once: data (bit) length, stop bit (length), parity, baud rate (communication speed),
handshake and data format. For details on the communication settings, refer to
10 CONNECTION
AND COMMUNICATION of the Analytical Balance Instruction Manual (321-78327).
UPX/UPY/UW/UX series
Item PLC (Serial Communications Unit) UPX/UPY/UW/UX series
Unit number 0
―
Communications port
(communications type) Port 2 (RS-232C)
―
Serial communications mode Protocol macro
―
Data (bit) length 8 bits 8 (default)
Stop bit (length) 1 bit 1 (default)
Parity None None (default)
Baud rate (communication speed) 1200 bps 1200 bps (default)
Protocol macro transmission
method (Full-duplex / Half-duplex)
Full-duplex
―
Handshake
―
OFF
Data format
―
EB type (default)
Delimiter
―
CR (default)
Precautions for Correct Use
The following Serial Communications Unit, unit number and communications (connection)
port are assumed to be used in this guide.
Model: CJ1W-SCU42, Unit number: 0, Communications (connection) port: Port 2
If you connect the devices under different conditions, change the CIO area and control data
of the PMCR instruction by referring to
9. Program .