7 Electrical Connection
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7.8 Wiring CT/Meter
Diagram of CT or Meter connector:
Pressure Screw Sealing Ring Threaded Sleeve Socket Element
FIG. 7-19 Structure Illustration of CT or Meter Connector
Procedure:
1) Remove the signal cable’s jacket by about 23mm, and then strip the wire insulation
layer by about 7mm.
16
7
24 AWG
FIG. 7-20 Prepare the Signal Cable
2) Insert the conductors into the corresponding terminals of the sockets element, and
then lock the conductors by screws firmly. Torque: 0.6~0.8N.m.
DEVALAN type (
Torque range:0.6-0.8N.M)
485-A
485-B
CT-
1
2
6
GND
3
CT+
5
FIG. 7-21 Connector Positions
3) Screw the press screw tightly, and then push the threaded sleeve into the socket
element, as per FIG.7-22.
4) Finally insert the assembled connector into the CT/Meter receptacle on the inverter.
1
2
FIG. 7-22 Assembling the Connector
FIG. 7-23 Tightening the Connector
Connector Pin Function
CT/Meter Pin
1
485A
METER Pin-5
2
485B
METER Pin-6
3
485_GND
/
5
/
CT+
6
/
CT-
