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5
5-17
GFK-1004B
Chapter 5 The Station Manager
BPS Command
The BPS command has the form:
BPS
This command causes the current serial port data rate to be displayed. A typical BPS
command is shown below:
> bps
bps = 9600
CHBPS Command
The CHBPS command has the form:
CHBPS { 9600 | 2400 | 1200 | 300 }
where one of the data rate selection values is entered
This command is used to change the data rate on the serial port of the Ethernet Inter-
face. Any input or output from the serial port after the command has been successfully
entered will use the modified data rate. The data rate remains in effect until it is again
explicitly changed or until the Ethernet Interface is restarted. The default data rate is
9600 bps.
A typical CHBPS command is shown below:
= chbps 1200
bps = 1200
If the output device attached to the serial port is not set to the new data rate, the BPS
command message will be lost or garbled.
CHDATE Command
(Not recommended if the PLC CPU is configured properly.)
The CHDATE command has the form:
CHDATE <DD-MMM-YYYY>
(an example date is: 01-JAN-1989)
This command is used to change the system date to the date specified in the command.
No date earlier than Jan 1, 1989 may be entered. If an invalid date is entered, the current
date is not changed. Date changes remain in effect until the Ethernet Interface is pow-
ered-up or restarted.
A typical CHDATE command is shown below:
= chdate 24-MAY-1996
Date = 24-MAY-1996