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Chapter
Communication Specifications
RS-485
PC Loader Interface
Item
Specifications
Electrical specifications EIA RS-485 compliant
Communication method Two wire system, half double-bit serial
Synchronous method Asynchronous
Connection status 1:N
Max. no. of connections 31 units
Communication distance Max 500m (total length)
Communication speed 9600bps, 19200 bps
Data format Data length 8 bits
Stop bit 1 bit
Parity None/Even/Odd (Selectable)
Transmission code HEX value (MODBUS RTU mode)
Error detection CRC-16
Insulation Functional insulation for the transmission area and
other areas (withstanding AC 500V)
Item Specifications
Electrical specifications EIA RS232 C
Communication method 3wire system, half double-bit serial
Synchronous method Asynchronous
Connection status 1:1
Communication speed 9600 bps
Data format Data length 8 bits
Stop bit 1 bit
Parity none
Transmission code HEX value (MODBUS RTU mode)
Error detection CRC-16
Insulation Non-insulated internal circuit
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