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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.
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2
3
4
Automatic transition
1
Automatic transition
2
4
5
3