Modscan32

Checking Modbus protocol on drive

ModScan32 is powerful tool, which can emulates Modbus RTU and Modbus ASCII. It can use serial port (COM), parallel port (LPT), Ethernet (TCP/IP) and Infra Red..

It is very useful to test Modbus RTU embedded in our drives.

Using serial port, ModScan32 can access Control / Status Word and all group of parameters.

Modscan runs into a PC and needs a “RS-485 Adapter” to be connected to the drive.

Control / Status Word Addressing

Control / Status Word are addressed as “Coil Status” by Modscan32

Parameters Addressing

Parameters are addressed as “Holding Register” by Modscan32

Communication settings

Looking Control Word

Station Number

C

043

Changing Control Word

Double Click

Looking Parameter 16-30 DC Link Voltage

Station Number

1 word = 16 bits

Changing Preset Reference 0

Double Click

Looking Parameter 3-41 Ramp up Time 1

2 word = 32 bits

Changing Parameter 3-41 Ramp up Time 1

Change scan rate