User manual

Publication ENET-UM001I-EN-P - January 2010 97
Interlocking and Data Transfer Between Controllers Chapter 7
The graphic below shows a Logix5000 controller producing a single tag for
consumption by another Logix5000 controller. In this example, the producing
controller uses 2 connections and every other Logix module/controller uses
only 1 connection.
Logix5000 Controllerin Local Chassis Producing a Single Tag for a Logix5000
Controller in a Remote Chassis
At its limits, a Logix5000 controller that produced 125 tags, each with only 1
consumer, the controller would use all of its available 250 connections. In this
example, the EtherNet modules used to communicate the tags would only use
125 connections. An example of the different
TCP and CIP connection capacities vary for all EtherNet/IP modules.
Local Controller - 1768 CompactLogix controller
Connections Used = 2 (1 + Number of consumers)
Remote Controller - 1756 ControlLogix controller
Connections Used = 1
Local Communication
Module - 1768-ENBT
Connections Used = 1
Remote Communication
Module - 1756-EN2T
Connections Used = 1
Module Packets/Second TCP Connections CIP Connections
1756-ENBT 5000 64 128
1756-EN2F 10,000 128 256
1756-EN2T 10,000 128 256
1756-EN2TR 10,000 128 256
1756-EN2TXT 10,000 128 256
1768-ENBT 5000 32 64
1769-L23E-QB1B,
1769-L23E-QBFC1B
2000 8 32
1769-L32E 4000 64 32
1769-L35E 4000 64 32
1788-ENBT 4000 64 32
1794-AENT 9500 64 64
2x-COMM-E 400 30 16
1734-AENT 5000 64 20