7
from power cables or other strong electric-magnetic field.
3.4.4
S
upply voltage
The conventional power supply voltage of the instrument:AC/DC 85-265V;supply voltage with P2 funcion:AC/DC 115-415V.
3.5
Wiring method
According to different design requirements, it is recommended to add a fuse (BS88 2A gG) to the power supply and voltage input
terminals to meet the safety requirements of the relevant electrical specifications.
3.5.1
Main part
Terminal diagram: "4,5,6,7,8,9" is the current signal input terminal number; "11,12,13,14" the voltage signal input terminal number;
"1, 2" is the meter auxiliary power terminal number. "21, 22" is the communication terminal number; "17, 18, 19, 20" is the energy pulse
output terminal number; "30, 31, 39" is the switch input terminal number; "40, 41, 42, 43 " is the relay output terminal number. (Figure
1
、
A1
、
A2)
（
Figure 1
）
(A1)Auxiliary power supply, etc
(A2)Input of voltage and current
2122
30
23
3139
2
40 414243 1
A1
D
I
1
B1
D
I
2
L/+
N/-
AUX Power
DO
DI
RS485
R1
R2
