Page 51
P O W E R I N G T E C H N O L O G Y
Document Number: MS0031-MAN rev. 7
guardian_access_ms31-man-rev7-0521.indd
A.3 Block Diagram & Schematics
Block Diagram
-
- Battery 1
- Battery n
0V Battery
- Load 1
- Load n
ACX Advanced
control unit
PBDU
Distribution
Guardian
Subrack
LVD
- PLD Load 1
- PLD Load n
See schematic
diagram
USB 2.0/ RS 232
4/9
J2
8
96
J1
J3
Ethernet
See schematic
diagram
brown
blue
2
1
3
X1
3
RS232
Antenna
GSM
Modem
(Optional)
PLD
(Optional
)
System controller
96
XC1
Internal connections
board
1 0V
2 -48V
XC9A Sh1 Dis1
XC9B Sh1 Dis2
XC7 Com.
8
XC8
8
-48V 2
0V 1
System
voltage out
RS232
XC2
50
XC3
XC5 Door alarm
1
1
2
2
6
6
XC4
8
XC10
CAN
Surge arrester alarm XC6
Only for Alarm Relay Board
For system without Alarm Relay Board, connect this cable to XC7 on Internal Connection Board
3
2
1
Ala
rm
1
6
5
4
Ala
rm
2
3
2
1
Ala
rm
3
6
5
4
Ala
rm
4
XC6
XC5
6
5
4
Multi purpose
1-6
XC2
3
2
1
6
5
4
XC3
3
2
1
Multi purpose
7-12
6
5
4
3
2
1
XC4
Te
m
p1
Te
m
p2
+5
V1
+5
V2
G
N
D
G
N
D
4
3
2
1
XC7
D
ig I
n 1
D
ig I
n 2
+5
V
G
N
D
4
3
2
1
XC8
D
ig
O
ut
1
D
ig
O
ut
2
+
Sys
te
m
vo
lta
ge
-S
ys
te
m
vo
ltag
e
N
C
C
N
O
2
1
6
5
4
3
K1
K2
XC9
2
1
6
5
4
3
K3
K4
XC10
2
1
6
5
4
3
K5
K6
XC11
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
50
XC1
XC12
8
RS485
XC13
8
RS485
Alarm relay board / External connections board
GDN Shelf 1
5x AC/DC Rectifier
+
-
8
8
X6 com
X7 com
+
-
8
8
X6 com
X7 com
GDN Shelf 2
5x AC/DC Rectifier
0V Load
0V