Bradley Smoker PLC-5 user manual If You Want To Select, Enable, Disable, Remotely

Models: PLC-5

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Communicating with Devices on a Serial Link

10-21

 

 

Configure Channel 0 for a Communication Mode Change

You can configure channel 0 so that it switches from one communication mode to another upon receiving a control command. You define a mode attention character and either a system or user mode character.

Character

Tells the Controller to

Default Character

 

 

 

Mode attention character

expect a change communication mode

[Esc]

 

command

 

 

 

 

System mode character

switch the communication mode to

S

 

system mode

 

 

 

 

User mode character

switch the communication mode to the

U

 

user mode

 

 

 

 

Every time the controller receives the mode attention character and either a system or user mode character, channel 0’s communication mode will be switched to the new mode.

To configure channel 0 for a remote communication-mode change, follow the steps on the left:

If You Want To

Select

 

Change the communication mode of channel 0 remotely

ENABLE

 

 

 

 

Not change the communication mode of channel 0

DISABLE

 

remotely

 

 

 

 

 

 

 

 

IMPORTANT

Make sure the remote mode change option is disabled if you do not want to change channel 0’s communication mode over a remote link. Having the mode disabled prevents an unexpected communication mode change.

The Mode Attention character tells the controller to expect a communication mode change. If you are using a control character, enter the ASCII equivalent in hexadecimal. With other characters, just enter the character. Do one of the following:

Enter the character you want to use to tell the controller to switch communication modes for channel 0. If you are using a control character, use the ASCII equivalent in hexadecimal. With other characters, just enter the character.

Publication 1785-UM012D-EN-P - July 2005

Page 171
Image 171
Bradley Smoker PLC-5 user manual If You Want To Select, Enable, Disable, Remotely