Class-3 Connection; Unconnected Messages, Ucmm; Ic7-Automation Reference Handling - Danfoss EtherNet/IP iC7 Series Operating Manual

iC7 Series EtherNet/IP
Operating Guide

4.5.3 Class-3 Connection

Class-3 Connection is a cyclic connection using UDP transport. The EtherNet/IP interface supports maximum 6 Class-3 connections.
This type of connection is used for explicit messaging.
The connection is established with a forward open-command.
Table 17: Class-3 Connection Parameters
Connection name
Given name for the connection

4.5.4 Unconnected Messages, UCMM

The Unconnected Messages, UCMM is a non-cyclic connection using TCP transport. This connection is used for explicit messaging.
The connection is established on-the-fly and does not require a forward open-command.
Table 18: UCMM Connection Parameters
Connection name
Unconnected messages, UCMM
For information on accessing CIP objects explicitly, see

4.6 iC7-Automation Reference Handling

The speed reference is scaled as a normalized relative value in percent (N2). The value is transmitted in hexadecimal:
• 0% = 0 hex
• 100% = 4000 hex
• -100% = C000 hex
Table 19: Reference Handling Parameters
Menu index Parameter
4.2.2.3 Nominal Speed
5.8.3.1 Positive Speed Limit
5.8.3.2 Negative Speed Limit
For some applications, reversing is not wanted.
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Message parameters
Service code
Class
Instance
Attribute
Member
Request data
Message parameters
Service code
Class
Instance
Attribute
Member
Request data
6.1 Supported CIP Objects.
Parameter number
402
1729
1728
EtherNet/IP Configuration
Unit Range
[rpm] 0–100000
[rpm] 0–35400
[rpm] -35400–0
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