Dwyer PUX2 - Manual (Page 17)

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3. Communication Specification
See the following table for communication specifications.
(1) Genearal specification
Table 3-1 Communication specifications
Item Specifications
Standard (Electrical specification) USB communication
Transmission system Half-duplex
Synchronizing method Start-stop synchronous transmission
Transmission rate 500kBPS
Parity Odd-parity
Start/Stop bit 1 bit
Data length 8 bits
Station 0 fixed
Number of units connected Max. 1
Transmission code HEX value (MODBUS RTU mode)
Error detection CRC-16
Echo back None
Flow control Xon/off
(2) Interface specification
Electrical specification: Confirms to USB standard.
Cable length: 3m or less
Conforming cable: Mini USB cable
Connection scheme: 1:1 connection.
Bulletin F
-9-PUX2-S