Modbus Address UINT32 Read Problem

Ignition
1

If ModbusTCP address such as attachment JPG file ,
Problem

Ex: 44001=1 / 44002=2
Count_1 Value=131073=(65536x2+1)

How to setting ModbusType in gateway Config > Opcua > Devices > Address Configuration?

Thanks for help~

2

The address mapping would look something like this - you may need to play with settings on the device for zero based addressing, and you may need to change the ‘Unit ID’ to match your device.

image
image1214×183 8.79 KB

3

Thanks for you replay.

I have two case,now

case 1: Hi-Word before Lo-word ,count value is correct

UINT32%E6%AD%A3%E5%B8%B8%20
UINT32%E6%AD%A3%E5%B8%B8%201299×615 87.7 KB

case 2: Lo-Word before Hi-word ,count value is wrong

UINT32%E9%8C%AF%E8%AA%A4%20
UINT32%E9%8C%AF%E8%AA%A4%201311×683 101 KB

4

You can change the Word Order setting in the driver, but it applies to all multi-word values for that driver instance. You can’t have some values that are “word-big-endian” and some that are “word-little-endian”.

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