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7 Messaging
7.1 Implicit Messaging (Cyclic Operation)
This section lists the requirements related to cyclic (implicit messaging) services for the EtherNet/IP Card. The minimum cyclic inter-
val is 1 ms. All data is in little endian format.
7.1.1 Assembly Objects
Table 4: Supported Assembly Objects
Description
Class
Instance
Type
Maximum size
Output (scanner
⇒
soft starter)
04d (0x04)
104d (0x68)
Integer
2 (4 bytes)
Input (soft starter
⇒
scanner)
04d (0x04)
154d (0x9A)
Integer
6 (12 bytes)
7.1.2 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).
7.1.2.1 Bytes 0–1: Command
Bits
Function
Details
0–5
Reserved
Must be 0.
6
Run
0 = Stop command
1 = Start command
7
Reset
Changing this bit from 0 to 1 resets a trip.
8–12
Reserved
Must be 0.
13
Motor set select
0 = Use primary motor set when starting.
1 = Use secondary motor set when starting.
14–15
Reserved
Must be 0.
7.1.2.2 Bytes 2–3: Reserved
Bits
Function
Details
0–15
Reserved
Must be 0.
7.1.2.3 Command Examples
Byte Value
Description
0
0b01000000 (64d, 0x40)
Command: Start the soft starter.
1
0b00000000 (00d, 0x00) or
0b00100000 (32d, 0x20)
Command: Select primary or secondary motor settings when starting.
0
0b10000000 (128d, 0x80)
Command: Reset the soft starter.
The reset only occurs when the previous reset bit is 0, otherwise the value of 1 is ig-
nored.
0
0b11000000 (192d, 0xC0)
Command: Reset and start the soft starter.
0
0bX0000000 (00d, 0x00)
Command: Stop the soft starter.
AN353423548483en-000101 / 130R0945
18 | Danfoss A/S © 2020.12
Messaging
EtherNet/IP Card
Installation Guide