Delta PPM R4E, Installation Manual

Page: 19 / 96

19
Preparation before construction
■ Power
Meter & Wireless Communication Unit (P3E & N1E)
(The figure depicts a situation where the Meter and the Wireless Communication Unit have been
connected and the Antenna has been oriented upwards.)
①
Power Supply Input terminal (fitted with a protective cover)
This is the terminal for connecting the voltage detection cable.
②
Current Sensor Connection terminal
This is the terminal for connecting the current sensor cable.
③
Operation LED lamp
Green light turned on: Normal operation
Green light blinking: Standby or connection standby
Red light turned on: Hardware malfunction
Red light blinking: Communication interrupted
④
Communication Signal Input terminal (fitted with a protective cover)
This is the terminal for connecting the RS-485 cable.
⑤
Reset button
This is the Reset button for the Wireless Communication Unit. Pressing this button restarts the
Wireless Communication Unit. Holding this button down for five or more seconds reverts the
Wireless Communication Unit to the default setting. Caution is required.
⑥
Wireless Communication Unit Antenna
This is the antenna used to perform wireless communication with the Power Monitor. The antenna
can be detached from the main unit. (Do not remove the antenna.)
⑦
Operation LED lamp
Green light turned on: Normal operation
Green light blinking: Standby or connection not established
Red light turned on: Hardware malfunction
Red light blinking: Communication malfunction
⑧
LAN terminal (fitted with a protective cover)
This is intended for use in maintenance work carried out by the manufacturer. Do not use this.
(Do not remove the protective cover.)
Warning
Do not open the protective cover or touch the internal parts and components with
your hand. The Product may cause injury due to electric shock in the unlikely event
such an action is taken.
②
Front Side
⑤
①
③
④
⑥
⑦
⑧