Ppmc (Modbus Rtu) - Hakko Electronics Monitouch V9 Series Connection Manual

16-68 16. Fuji Electric

16.2.22 PPMC (MODBUS RTU)

Communication Setting
Editor
Communication setting
Item
Connection Mode
Signal Level
Baud Rate
Data Length
Stop Bit
Parity
Target Port No.
AC Power Monitor
The communication parameters can be set using keys attached to the front of the AC power monitor.
Be sure to match the settings to those made under [Communication Setting] of the editor.
Parameter
Setting
condition 2
*1 The unit number is set for the ID number upon delivery. The unit number is indicated on the instruction plate attached to the side of the
case.
*2 Select "rtu (Modbus RTU)" for the communication protocol when communicating with the V9.
*3 The communication parameter (stop bit) is fixed to 1 bit.
*4 The communication function of the AC power monitor can be selected at the time of purchase. Select a model on which RS-485/RS-232C
communication is available.
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.
Device Memory
4 (holding register)
3 (input register)
* Remarks on data format for the following device memory:
40022 (fixed voltage), 40028 (Ip fixed power factor): 6-byte character string
40046 (calendar): 14-byte character string
Measurement data: real type (Float)
40060 (alarm clear), 40062 (amount of power clear), 40064 (cumulative value of invalid power clear): write only
Setting
1 : 1 / 1 : n / Multi-link2 /
Multi-link2 (Ethernet) /
1 : n Multi-link2 (Ethernet)
RS-232C / RS-422/485
9600 / 19200 bps
8 bits
1 bit
None / Even / Odd
1 to 31
Item number 2
Item number 3 Communication protocol selection
Item number 7
Item number 8 Data length, parity
TYPE
02H
03H
Do not change the default setting because the setting on the AC power
monitor cannot be changed.
Item
ID number
1 to 31 (default: unit number
nor: Dedicated protocol
rtu: Modbus RTU protocol
9.6: 9600 bps
Baud rate 19.2: 19200 bps
4.8: 4800 bps
8n: Data length 8 bits, without parity
8o: Data length 8 bits, odd parity
8E: Data length 8 bits, even parity
Read only
(Underlined setting: default)
Remarks
(Underlined setting: default)
Setting
*1
)
*2
Remarks
Example
1
rtu
9.6
8n