137
15 Specifications
137
Specifications
Chapter
15
■Interface
SI/F two-wire serial interface
Transmitting method Asynchronous
Transmitting speed 600bps
RS-485 Communication interface
Communication protocol Selectable from Modbus-RTU, UNI-Format
Signal level Based on RS-485 2-wire
Transmitting distance Approx. 1km
Transmitting method Asynchronous, half duplex
Transmitting speed Selectable from 1200, 2400, 4800, 9600, 19200, 38400 bps
Number of connectible units Maximum 32 (including 1 master unit)
Bit configuration Start bit 1bit
Character length Selectable from 7 or 8 bit
(8 bit for Modbus-RTU)
Stop bit Selectable from 1 or 2 bit
Parity bit Selectable from none, odd or even
Terminator Selectable from CR, CR-LF
Code Binary (for Modbus-RTU)
ASCII (for UNI-Format)
* SI/F and RS-485 cannot be simultaneously used (to be specified at the
time of order).
RS-485 (standard: not specified)
SI/F (SIF: to be specified at the time of order)
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