Configuring an M1 CPU with Concept

Establishing Configuration Extension Memory for Peer Cop

Introduction

By default, the Peer Cop capability is disabled. If you want to use Peer Cop to

 

 

handle Modbus Plus communications, you need to enable this capability and adjust

 

 

the amount of configuration extension memory.

 

How Much

 

 

 

The minimum Peer Cop memory requirement is 20 words; the maximum is 1366

Memory?

words.

 

 

 

 

Follow these guidelines for estimating the amount of extension memory you will

 

 

need for your Peer Cop database:

 

 

 

 

 

 

 

 

For...

Add...

Up to a maximum of...

 

 

 

 

 

 

 

Overhead

9 words

--

 

 

 

 

 

 

 

Global output

5 words

--

 

 

 

 

 

 

 

Global input

number of words=

1088 words

 

 

 

number of devices x

 

 

 

 

(1 + 2 x number of device subentries)

 

 

 

 

 

 

 

 

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

 

 

 

 

 

Continued on next page

324

870 USE 101 10 V.2

Page 324
Image 324
Schneider Electric Processor Adapter manual Establishing Configuration Extension Memory for Peer Cop