Bradley Smoker PLC-5 user manual This Field Specifies Configure by Doing the Following, List

Communicating with Extended-Local I/O 8-9

Configuring the Controller

as an Extended-Local I/O

Scanner

•If you are using block-transfer to a 2760-RB module located in the extended-local rack, make sure you do not set the timeout bit in the block-transfer control file.

To configure the extended-local I/O (channel 2), use the extended-local I/O configuration screen.

This Field	Specifies	Configure by Doing the Following
Diagnostic file	The file containing the channel’s	Cursor to the field enter enter an integer file number (9-999).
	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 damage 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.
Scan list	The channel I/O configuration	See the next section for information on creating and modifying a scan
		list.

The scan list for extended-local I/O is similar to the scan list for remote I/O.

The differences are:

•The remote I/O scan list displays rack size. The rack size is determined by the chassis size (number of slots) and backplane addressing used by the chassis. The following table explains the relationship among chassis size, backplane addressing and rack size.

Publication 1785-UM012D-EN-P - July 2005