Chapter 8 Appendix
8.1 Terminal Definition
Measuring module(CTO&CTC)
Electricity
magnetic
Transient Burst
Immunit
(IEC61000-4-4:2006)
Surge (shock)
immunity
GB/T17626.5-2008
(IEC61000-4-5:2005)
Class 4
Immunity to
conducted
disturbances
induced by RF field
GB/T17626.6-2008
(IEC61000-4-6:2006)
Class 3
Electromagnetic
emission limits
GB 9254-2008
(CISPR22:2006)
Pass
Voltage sag, short
interrupt immunity
GB/T17626.11-2008
(IEC61000-4-11:2004)
Pass
Power frequency
withstand voltage
GB/T 17215.211-2006
Item Definition Illustration Item
Definiti
on
Illustration
1 485+ RS485+ 2 485- RS485-
3 SHLD RS485 Shield 4 VA A phase
5 VB B phase 6 VC C phase
7 VN Neutral 8 NC Null
9 PLbusA
A phase measuring
module port
10 PLbusB
B phase
measuring
module port
11 PLbusC
C phase measuring
module port
Item Definition Illustration Item Definition Illustration
1 J1
MeasuringBUS
port1
2 J2
MeasuringBUS
port2