Communications Functions
6-
107
•
DSR
Message to Read the Inverter Status
The
DSR message to read the Inverter status from register 002C Hex consists of the following items.
Fig 6.69 DSR Message to Read
n
Recv
Message
Detail
Settings
1. With
the left button of the mouse, click on Receive Message List. Then click on a blank space with the
right
button of the mouse.
2. Select
Create Receive Message.
The
following table will appear. Set the Receive message in the table.
Message
The
label (name) of the response. Input an appropriate, easy-to-distinguish name.
Set
the label in the Recv message box in the table shown under Creating a Step.
Header
<h>
and
Terminator
<t>
Set
the header and terminator.
No
header or terminator is used for communications with the 3G3RV. Therefore, set both to None.
Check
Code
<c>
Set
the check code.
The
CRC-16 check code is used for communications with the 3G3RV. Select the CRC-16 check code and set
the
initial value to 65535.
Select
Reverse for the conversion method. Then select BIN as the data type.
a
03
00
2C
00
01
c
0 3 0 0 2 C 0 0 0 1
Slave address (Set with <a>)
Function code (Read 03)
Read start register number (Inverter status: 002C)
Number of read data registers: 1
CRC-16 check (Set with <c>)
Set the address data, constant data, and check code data.
Set data
Header <h>
Check code <c>
CRC-16 65535
2Byte BIN
Length <l>
0
1Byte BIN
Address <a>
R 3N
2
1
Data
Message
Input response
Read response
CRC-16 65535
2Byte BIN
R 3N
2
1
a
10
00
01
00
02
c
a
03
l
W 1N
1
2
c
Terminator <t>
Содержание SYSDRIVE 3G3RV
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