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ProSoft Technology MVI69-FLN User Manual

Page 81

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Reference MVI69-FLN

♦ CompactLogix Platform

FA Control Network Communication Module

ProSoft Technology, Inc.

Page 81 of 137

November 3, 2008

The FA link protocol allows the existence of nodes which do not have common
memory because there is no transmission and reception data of cyclic but
message transmission only.

Node Having No Common Memory

Area 1 and area 2

A node shall be assigned two data areas, area 1 and area 2, as the transmitting
areas in its common memory.

A transmitting area is defined by the top address and size of the area.

Access to the area is made by word address. Area 1 consists of 0.5k word and
area 2 consists of 8k words.