6. Communication ConnectionMeter for D0 (Not provided in the product package)Refer to meter list in Chapter 6.3RS232 D-sub 9 pin straight type extension lineCable length limitThe total length of D0 to RS232 Cable and the extension line is 10m or less6.2.1.2 Connection Block DiagramThe Bi-Direction Meter[Figure 6-2: Bi-directional D0 Meter Connection]The meter cable must be connected to the D0-A. (Refer to communication terminal in 6.4)The Feed-in Meter Cable must be connected to the D0-A.The Purchase Meter Cable must be connected to the D0-B. (Refer to communication terminalin 6.4)6.2.2 RS485 Interface6.2.2.1 ComponentsRS485 MeterTwist paired RS485 Communication CableThe total length of RS485 Cable is 100m or lessAustralia (Eng.) 05/2015. Rev1.1 43