Page 4
Types of Sigen meter Sigen Power Sensor Sigen Sensor – Single Phase Sigen Sensor – Three phase SP-DH SP-CT120-DH TP-DH TP-CT120-DH TP-CT300-DH SP-CT600-DH Number of CT Inner diameter of CT 16mm 16mm 24mm 36mm Cable length Max operating current of CT...
Page 5
Difference between built-in and external CT Sigen Sensor TP-DH Sigen Sensor TP-CT120-DH L1 L2 L3 N Recommend Put the CT directly Lower max. operating current Higher max operating current on the power line because excessive current can lead to overheating Cut power line first and connect it to both ends of the sensor Simplified actual wiring...
Page 7
Single phase two wire 1CT RS485_A2 RS485_B2 Note: The direction of current flows from the grid to the load is positive. please ensure that the direction of CT arrow is consistent with the current Enjoy Green Energy...
Page 8
Connection on the Inverter Side Enjoy Green Energy...
Page 9
Three phase four wire 3CT RS485_A2 RS485_B2 Note: The direction of current flows from the grid to the load is positive. please ensure that the direction of CT arrow is consistent with the current Enjoy Green Energy...
Page 10
Connection on the Inverter Side Enjoy Green Energy...
Page 12
Common questions 1. Q: What is the difference between 485-1 and 485-2 on the COM terminal of the inverter ? A: 485-2 is used to connect the control meter installed at the grid connection point(pin 13 and pin 14) 485-1 is used to connect other 485 devices, including but not limited to third-party meters, heat pumps, air-conditioning.
Need help?
Do you have a question about the TP-DH and is the answer not in the manual?
Questions and answers