Panasonic AKW1110, User Manual

Page: 26 / 60

KW1M Eco
－
POWER METER
18
4.3.3 MODE3
(Mode for setting of each parameter for serial communication)
Protocol setting mode PROT
Mode defines communication protocol of main unit via serial communication (RS485).
・ Select from MEWTOCOL / MODBUS(RTU).
Station number setting mode NO
Mode defines an individual station no. for each unit when two or more units communicate via
serial communication (RS485).
・
It can be set the range of 01 to 99.
Transmission speed (Baud rate) setting mode SPD
Mode defines serial communication (RS485) transmission speed. Define the transmission
speed according to the master’s (PLC etc.).
・
Select from 2400 / 4800 / 9600 / 19200 / 38400 [bps].
Transmission format setting mode FMT
Mode defines serial communication (RS485) transmission format (Data length, Parity). Define
the transmission format according to the master’s (PLC etc).
・
Select from 8bit-o/7bit-n/7bit-E/7bit-o/8bit-n/8bit-E.
“n (none)” means parity is not available.
“E (Even)” means parity is even number.
“o (odd)” means parity is odd number.
＊ With MODBUS(RTU) protocol, it works only with 8bit.
Response time setting mode RESP
Mode defines serial communication (RS485) response time of main unit.
When command is received, it sends response after setting response time passes.
・
It can be set the range of 1 to 99 ms.
MODE3 Setting flow chart
Monitor
↓
<MODE> (MODE 3 Lighting)
↓
<SET>
Protocol setting mode
Press
<ITEM/
△
><SHIFT/
▽
>
to change communication protocol.
Communication protocol is selected from MEWTOCOL ⇔ MODBUS(RTU).
MEWTOCOL MODBUS(RTU)
→
<SET>
Station number setting mode
Enter the station number using
<ITEM/
△
><SHIFT/
▽
>
.
( 1
～
99 )
→
<SET>