INF-TN1FSC-E 151
13. EXTERNAL COMMUNICATION SPECIFICATION
(1) General specifi cation
Item Specifi cation
Transmission scheme Half duplex
Synchronization scheme Asynchronous
Transmission rate 500kBPS
Parity Odd parity
Start/stop bit 1 bit
Data length 8 bits
Station 0, fi xed
Number of connectable units 1 unit
Transmission code Hexadecimal value (MODBUS RTU mode)
Error detection CRC-16
Echo back None
Flow control Xon/off
(2) Interface specifi cation
Electrical specifi cation: Conforms to USB standard.
Cable length: 3 m or less
Conforming cable: Mini USB cable
Connection scheme: 1:1 connection
Support software
Loader software for PC is provided as standard.
• Main function: To display and change main unit parameters (site setup), and to acquire mea-
sured data.
It is capable of importing instantaneous fl ow rate, instantaneous fl uid velocity, integrated
value, error information, wave receiving level and others.
See "PortaFlow-C LOADER INSTRUCTION MANUAL: INF-TN5A0415-E (separate volume)
for details.
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