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12. Modbus RTU INTERFACE
The Modbus RTU interface reads the measured values or status from the AD-4532B, or writes the
settings to the AD-4532B.
Using the Modbus RTU interface, a personal computer, PLC or programmable display can be
connected to the AD-4532B.
12-1 Specifications
12-1-1 Specifications
Communications protocol
Modbus RTU
Transmission system
RS-485
Transmission distance
1.2 km or less
Transmission form
Synchronous, half duplex
Baud rate
1200 bps, 2400 bps, 4800 bps, 9600 bps, 19200 bps, 38400 bps
Number of indicators to be connected
Max. 32 (Including one master indicator)
Data bit length
7 bits, 8 bits (8 bits for the Modbus RTU interface)
Parity
None, Odd, Even
Stop bit
1 bit, 2 bits
The items above can be set in function modes
f-25
to
f-30
.
