Modscan r0x
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Transcript of Modscan r0x
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