Schneider Electric Processor Adapter User Manual
Page 373
Configuring a Modbus Plus Network in Concept with Peer Cop
870 USE 101 10 V.2
373
Adjusting the Amount of Extension Memory
Introduction
The default amount of memory allotted for Configuration Extension is 100 words.
This amount may be adjusted within the Peer Cop dialog box.
Extension
Memory Size
The minimum Peer Cop memory requirement is 20 words; the maximum is 4041
words.
Estimating How
Much Memory to
Reserve
Follow these guidelines for estimating the amount of extension memory you will
need for your Peer Cop database:
Changing the
Amount of
Memory
Type the desired size in the Expansion Size
text box or use your mouse to adjust
the button on the horizontal slider.
For...
Add...
Up to a maximum of...
Overhead
9 words
--
Global output
5 words
--
Global input
number of words=
number of devices x
(1 + 2 x number of device subentries)
1088 words
Specific output
2 words for every device entry in Peer Cop
128 words
Specific input
2 words for every device entry in Peer Cop
128 words