Alstom SHPM 101 - Voltage Input Module RFV04

SERVICE MANUAL R5888C
QUADRAMHO Chapter 2
Appendix A
Page 5 of 71
Figure 5: Voltage input module RFV04
INPUTS FROM LINE VTs
HEAVY CURRENT
EARTH
TRIP
ENF
V/SK1
BOARD ZH0737
BOARD ZH0738
SURGE
PROTECTION
SURGE
PROTECTION
SURGE
PROTECTION
ATTENUATION ATTENUATION
ATTENUATION
+12V 0V
5KV
PEAK
E
A
E
N
E
B
E
C
0V 0V 0V +12V
V
A
V
A'
V
MEM
V
B
V
B'
V
C
V
C'
0V
0V
0V