Rockwell Automation MagneMotion 700-0871-00, Руководство пользователя

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Node Controller Overview
Node Controller Loading
46 MagneMotion
Rockwell Automation Publication MMI-UM013B-EN-P - April 2020
When using Ethernet, all motors in a specific path must be connected to the same node con-
troller even if they are on different Ethernet chains. Additionally, multiple paths can be con-
nected to the node controller through the same Ethernet chain.
The processor loading on the NC-S, NC LITE, NC-12, and NC-E node controllers when using
Ethernet to communicate with the motors has been determined based on the various use cases
as shown in
Table 3-1 . When running as the HLC with an EtherNet/IP interface to the host,
the load on the node controller is greatest since the host is continuously updated with status
information. When running as the HLC with a TCP interface to the host, the load on the node
controller is less since the host is only updated on request.
Table 3-1: Node Controller Loading
Configuration
Max Multi-port Nodes
NC LITE
†
† For NC LITE node controllers, the recommended maximum number of multi-port nodes that are connected
using Ethernet communication is 4 if the node controller is also running as an HLC. If the node controller is
not running as an HLC, the recommended maximum number of multi-port nodes that are connected is 5.
NC-12
‡
‡ For NC-12 node controllers, the recommended maximum number of multi-port nodes that are connected using
Ethernet communication is 15 if the node controller is also running as an HLC. If the node controller is not
running as an HLC, the recommended maximum number of multi-port nodes that are connected is 16.
NC-E
§
§ For NC-E node controllers, additional node controller functions determine the recommended maximum num-
ber of multi-port nodes that are connected using Ethernet communication.
• If the node controller is also running as an HLC that uses EtherNet/IP communication with Host, the rec-
ommended maximum number of multi-port nodes that are connected is 23.
• If the node controller is also running as an HLC that uses TCP/IP communication with Host, the recom-
mended maximum number of multi-port nodes that are connected is 28.
• If the node controller is not running as an HLC, the recommended maximum number of multi-port nodes
that are connected is 36.
NC-S
¶
¶ For NC-S node controllers, use the following calculation to determine NC-S loading when using a combina-
tion of node connection types (that is, some Ethernet nodes and some RS-422 nodes).
85%
≥
Serial Nodes*20% + Hybrid Nodes*14% + Ethernet Nodes*5% + HLC*10%
Ethernet
Only
NC + HLC + EtherNet/IP Host comm 4 15 23 15
NC + HLC + TCP/IP Host comm 4 15 28 15
NC Only 5 16 36 16
RS-422
Only
NC + HLC + EtherNet/IP Host comm Limited by
number of
RS-422
ports
Limited by
number of
RS-422
ports
None 3
NC + HLC + TCP/IP Host comm None 3
NC Only None 4
Hybrid
*
(Ethernet
and RS-422)
* Hybrid nodes are those multi-port nodes where some of the node connections are made using RS-422 and some
connections are made using Ethernet. This typically occurs when a node (for example, a Relay node) is being
used to connect RS-422 motors to Ethernet motors.
NC + HLC + EtherNet/IP Host comm
No Data No Data
None 5
NC + HLC + TCP/IP Host comm None 5
NC Only None 6