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7.12.1
Baud Rate
The baud rate is the first parameter in the menu. The baud rate setting deter-
mines the serial communications transmission rate.
The baud rate parameter is indicated by,
bAUd
Press "SET" to choose to set the baud rate. The current baud rate value is then
displayed.
2400 b
The baud rate of the serial communications may be programmed to 300,
600,1200, 2400, 4800, or 9600 baud. Use "UP" or "DOWN" to change the
baud rate value.
4800 b
Press "SET" to set the baud rate to the new value or "EXIT" to abort the opera-
tion and skip to the next parameter in the menu.
7.12.2
Sample Period
The sample period is the next parameter in the serial interface parameter menu.
The sample period is the time period in seconds between temperature measure-
ments transmitted from the serial interface. If the sample rate is set to 5, for in-
stance, the controller transmits the current measurement over the serial
interface approximately every five seconds. The automatic sampling is disabled
with a sample period of 0. The sample period is indicated by,
SPer
Press "SET" to choose to set the sample period. The current sample period
value will be displayed.
SP= 1
Adjust the value with "UP" or "DOWN" and then use "SET" to set the sample
rate to the displayed value.
SP= 60
7.12.3
Duplex Mode
The next parameter is the duplex mode. The duplex mode may be set to full du-
plex or half duplex. With full duplex any commands received by the controller
Serial baud rate parameter
Current baud rate
New baud rate
Serial sample period parameter
Current sample period (seconds)
New sample period
7 Controller Operation
Serial Interface Parameters
33
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