Packet Structures; Important Information; Implicit Messaging (Cyclic Operation); Control Commands (Assembly Instance 104D) - Danfoss VLT MCD 201 Installation Manual

EtherNet/IP Module
Installation Guide

8 Packet Structures

8.1 Important Information

The following functions are only available with VLT® Soft Starter MCD 500: Parameter management, dual motor control, digital
inputs, jog, current measurement in amperes, power information, warnings.
VLT® Compact Starter MCD 201 open-loop soft starters do not support motor current and motor temperature information.

8.2 Implicit Messaging (Cyclic Operation)

This section lists the requirements related to cyclic (implicit messaging) services for the EtherNet/IP module. The minimum cyclic
interval is 1 ms. All data is in little endian format.
8.2.1 Assembly Objects
Table 4: Supported Assembly Objects
Description
Output (Originator⇒Target)
Input (Target⇒Originator)

8.2.2 Control Commands (Assembly Instance 104d)

To send control data from the scanner to the soft starter, use assembly class 04d (0x04), assembly instance 104d (0x68), attribute
03d (0x03).
8.2.2.1 Bytes 0–1: Command
Bits Function
0–5 Reserved
6 Run
7 Reset
8–12 Reserved
13 Motor set select
14–15 Reserved
8.2.2.2 Bytes 2–3: Reserved
Bits
0–15
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N O T I C E
Class
04d (0x04)
04d (0x04)
Details
Must be 0.
0 = Stop command
1 = Start command
Changing this bit from 0 to 1 resets a trip.
Must be 0.
0 = Use primary motor set when starting.
1 = Use secondary motor set when starting.
Must be 0.
Function
Reserved
Instance Type
104d (0x68) Integer
154d (0x9A) Integer
Details
Must be 0.
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Packet Structures
Maximum size
2 (4 bytes)
6 (12 bytes)