System register instructions
980
Part III FP Instructions
SYS1
Change PLC system setting
Communication condition setting (see page 980)
Password sett
ing (see page 984)
Interrupt setting (see page 986
)
PLC link time setting (see page 988
)
Change high
-speed counter operation mode (see page 989)
RS485 respo
nse time control (see page 991)
PLC types
Availability of SYS1 (see page 1331)
Communication condition setting for the COM ports of the CPU
This changes the communication conditions for the COM port or Tool port based on the contents
specified by the character constant.
The communication conditions for the port specified by the first keyword are changed to the
contents specified by the second keyword. The first and second keywords are separated by a
comma.
Contents that can be changed include the following:
1. Communication format
2. Baud rate
3. Unit No.
4. Header and Terminator
5. RS (Request to Send) control
Description
The description for SYS1 is divided into the following sections: