Configuring an M1 CPU with Concept
324 870 USE 101 10 V.2
Establishing Configuration Extension Memory for Peer Cop
Introduction By default, the Peer Cop capability is disabl ed. If you want to use Peer Cop to
handle Modbus Plus communications, you n eed to enable this capability and adjust
the amount of configuration extension memory.
How Much
Memory? The minimum Peer Cop memory requirement is 20 words; the maximum is 1366
words.
Follow these guidelines for estimating the amount of extension memory you will
need for your Peer Cop database:
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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