16-28 16. Fuji Electric
16.2.4 PXH (MODBUS RTU)
Communication Setting
Editor
Communication setting
(Underlined setting: default)
Temperature Controller
The communication parameter can be set using keys attached to the front of the temperature controller.
Be sure to match the settings to those made under [Communication Setting] of the editor.
(Underlined setting: default)
* The communication function of the temperature controller can be selected at the time of purchase. Select a model on which RS-485
(Modbus) communication is available.
* The following communication parameters are fixed; data length: 8 bits and stop bit: 1 bit.
Available Device Memory
The available setting range of device memory varies depending on the model. Be sure to set within the range available for the
model to be used. Use [TYPE] when assigning indirect device memory for macro programs.
Item Setting Remarks
Connection Mode
1:1 / 1:n
/ Multi-link2 /
Multi-link2 (Ethernet) /
1:n Multi-link2 (Ethernet)
Signal Level RS-422/485
Do not change the default settings of the signal level, data
length and stop bit because these settings on the temperature
controller cannot be changed.
Baud Rate 9600 / 19200 / 38400
bps
Data Length 8 bits
Stop Bit 1 bit
Parity None / Even / Odd
Target Port No. 1 to 31
Channel Parameter Display Item Setting Example
Communication (Ch B)
STn4 RS-485 station No. 1
to 31 1
SPd4 RS-485 baud rate
96: 9600 bps
192: 19200 bps
384: 38400 bps
384
biT4 RS-485 bit format
8n: Data length 8 bits, without parity
8o: Data length 8 bits, odd parity
8E: Data length 8 bits, even parity
8o
Device Memory TYPE Remarks
4 (holding register) 02H
3(input register) 03H
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