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4.
Settings needed to measure electricity
4.3 RS-485 communication settings
For communications settings other than the communications address, set in the common settings in the settings
mode. All circuits will have the same setting.
• You can cancel a change by pressing the [ESC] key before confirming the change.
■
Set the protocol (Ex.: set to CompoWay/F)
This unit support the Modbus and CompoWay/F communications protocols. The initial setting is Modbus.
If a measured value is displayed, press and hold the [<</MODE] key and enter your password to switch to the setting
mode.
1
Press the [<</MODE] key to move to the common settings "CMMN" category display screen.
After this, the screen moves automatically to the common settings items and "Protocol (MENU 00)" is
displayed.
2
Press the [ENTER] key to enter the setting mode.
3
Press the [
][
] keys to select "COMPF".
4
Press the [ENTER] key to confirm your selection.
■
Set the communication speed (Ex.: set to 38.4 kbps)
1
Press the [<</MODE] key to move to the common settings "CMMN" category display screen.
2
From the common setting items, press the [
][
] keys to move to "Communication speed (MENU 01)".
3
Press the [ENTER] key to enter the setting mode.
4
Press the [
][
] keys to select "38.4K".
5
Press the [ENTER] key to confirm your selection.
L
C
T
R
P
L
C
T
R
P
L
C
T
R
P
L
C
T
R
P
n
m
m
C
S
B
D
o
m
0
0
S
B
D
o
m
0
0
F
P
M
o
C
0
0
F
P
M
o
C
0
0
E
R
I
W
W
3
P
1
1
A
1
2
3
4
Automatic transition
s
p
b
l
c
t
R
P
s
p
b
s
p
b
S
p
b
n
m
m
C
k
6
9
1
0
S
B
D
o
m
0
0
k
6
9
1
0
k
4
8
3
1
0
k
4
8
3
1
0
E
R
I
W
W
3
P
1
1
A
1
Automatic transition
2
4
5
3
