©2016 DEKIST Co., Ltd. Rev. 1.6
5.5 MODBUS TCP setting
From the PLC or the PCs, etc., you may use MODBUS TCP to access the RN172, to find out the values of
CH1 and CH2 inside.
[5.MODBUS TCP SETUP MENU.]
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HOLDING REGISTER (16BIT),FUNCTION CODE 3
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OFFSET [0] : CH1 FLOATING 32BIT VALUE (16BIT LOW)
OFFSET [1] : CH1 FLOATING 32BIT VALUE (16BIT HIGH)
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OFFSET [2] : CH2 FLOATING 32BIT VALUE (16BIT LOW)
OFFSET [3] : CH2 FLOATING 32BIT VALUE (16BIT HIGH)
------------------------------------------------------------------
OFFSET [4] : CH1 INTEGER 16BIT VALUE (16BIT)
------------------------------------------------------------------
OFFSET [5] : CH2 INTEGER 16BIT VALUE (16BIT)
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A.Set MODBUS TCP PORT[ 502 ]
B.SetByteReverse [ 0] (1:Reversed,0:None)
Q.Quit.
A.
Change the port number used by MODBUS TCP. Normally, the port number is set to 502.
B.
Turn Byte Reverse ON/OFF. Select On(1) to change the sequence of the byte.