Saia-Burgess
Controls Ltd.
Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Hardware
PCD3.W3x5
5-52
5
Block diagram
m
ax
.2
0c
m
E0
E1
E2
E3
E4
E5
E6
COM
COM
COM
COM
COM
COM
COM
0
1
2
3
4
5
6
7
8
9
10
11
12
13
Earthing bar
In
put
fil
te
r
E0
COM
E1
COM
E2
COM
E3
COM
E4
COM
E5
COM
E6
COM
M
ul
tip
le
xe
r
A
D
C
Reference-
Voltage 2.5V
μController
PCD - Bus
I/O - Bus
DC / DC
Converter
Galvanic
separated
serial
Interface
Galvanic separation
VCC
COM
+5 V GND