Communicating with Devices on a Serial Link

10-9

 

 

Configure Channel 0 as a Slave Station

To configure channel 0 for DF1 slave communication, use the system mode configuration screen in your programming software.

configure the serial communications as system slave

specify the details

This Field

Specifies:

Configure by Doing the Following

Diagnostic file

The file containing the channel’s

Enter an integer file number (10-999).

 

status information

ATTENTION: Assign a unique diagnostic file to each channel. Do not

 

 

 

 

assign a diagnostic file that is the I/O status file you assigned or any

 

 

other used integer file. Unpredictable machine action can result.

 

 

Important: You must define a diagnostics file for a channel configured

 

 

for anything but unused (even if you are not using the channel) if you want

 

 

to get status information for that channel.

 

 

 

Enable

Whether the remote mode change

Select ENABLED or DISABLED.

 

option is enabled

 

 

 

 

Mode attention char. The attention character for the system mode or the user mode character for a remote mode change

Enter a character. If the attention character you want to use is a control character, specify the ASCII equivalent.

System mode char.

The character for the mode attention

 

character (above)

Enter an attention character. If the attention character you want to use is a control character, specify the ASCII equivalent.

When the controller encounters the attention character and the system mode character, the controller sets channel 0 communication to system mode. The remote mode change option must be ENABLED.

Publication 1785-UM012D-EN-P - July 2005

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Image 159
Bradley Smoker PLC-5 Configure Channel 0 as a Slave Station, To get status information for that channel, Option is enabled