Hakko Electronics Monitouch V9 Series, Connection Manual

Page: 321 / 430

16-68 16. Fuji Electric
16.2.22PPMC (MODBUS RTU)
Communication Setting
Editor
Communication setting
(Underlined setting: default)
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.
(Underlined setting: default)
*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.
* 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
Item Setting Remarks
Connection Mode
1 : 1 / 1 : n / Multi-link2 /
Multi-link2 (Ethernet) /
1 : n Multi-link2 (Ethernet)
Signal Level RS-232C / RS-422/485
Baud Rate 9600 / 19200 bps
Data Length 8 bits
Do not change the default setting because the setting on the AC power
monitor cannot be changed.
Stop Bit 1 bit
Parity None / Even / Odd
Target Port No. 1 to 31
Parameter Item Setting Example
Setting
condition 2
Item number 2 ID number
1 to 31 (default: unit number
*1
)
1
Item number 3 Communication protocol selection
nor: Dedicated protocol
rtu: Modbus RTU protocol
*2
rtu
Item number 7 Baud rate
9.6: 9600 bps
19.2: 19200 bps
4.8: 4800 bps
9.6
Item number 8 Data length, parity
8n: Data length 8 bits, without parity
8o: Data length 8 bits, odd parity
8E: Data length 8 bits, even parity
8n
Device Memory TYPE Remarks
4 (holding register) 02H
3 (input register) 03H Read only