

DELAB RS-485 Modbus RTU RS485 for delab protection relay and dpm
Isolated Type RS-485 Modbus RTU – DELAB / A01s / RS485 Modbus RTU / For all DP series & PQM1000s
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Isolated Type RS-485 Modbus RTU – DELAB / A01s / RS485 Modbus RTU / For all DP series & PQM1000s
The Modbus protocol is a fieldbus serial communications protocol originally for use with its programmable logic controllers (PLCs). It is now commonly used for connecting industrial electronic devices.
Modbus TCP is a version of the Modbus RTU protocol which uses the TCP/IP interface of an Ethernet network. Modbus RTU is used to daisy-chain devices in a network with serial communication. It is very popular for industrial control networks as it is well established, and there is a wide variety of hardware and software that supports it.
1reg = 2bytes (16bit)
short int = 16 bit
integer = 32 bit
long int = 64 bit
Specification
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