
PCM30U, PCM30U-OCH – User's, Operating and Maintenance Manual
E.2.3 Block diagram
+
Σ
E
RR
-
ZK
Feedbac
k
check
IN
1A
IN
1B
U
1- 50 Hz
U
2- 50 Hz
OUT1A
OUT1B
over
vol
tag
e
pro
tecti
on
T
100
T
101
A1
1
3
UB
=-
48V
OFF1+
A3
X
J10
4
E
RR1+
E
RR1-
K
H
100
X
J106
A
2 LP
2
2,
8k
Hz
Ph
as
e
cor
rect
ion
D/
A
LP
1
2,
8k
H
z
A/D
10 bi
t s
am
pl
e
s f
rom
1
st
c
ha
nnel
No
te
:
+
)
Fai
lu
re c
ondi
tion
of
the c
on
ta
cts
of
the K
H
100
rel
ay
(no
current
s
uppl
ied
to t
he
c
oi
l o
f t
he
rel
a
y)
2
X
J102
P
LD-X
IL
INX
M
icr
oco
ntr
ol
le
r
1
8
XJ1
- H
W
m
ode
conf
igurat
ion
10
bi
t
Trans
m
itt
ing
B
U
S
M
1
R
ec
eiv
in
g BU
S
M1
SK
IM
TA
KT 2048
kH
z
S
Y
NN 500 H
z
P
os
iti
on i
n
subrac
k
P
rogra
m
me
mo
ry
WA
TCHDOG
SW
3
R
ESE
T
on pa
nel
+5 V
2
nd
c
hann
el
RO4
M
a
nagem
ent
IP
X
J103
over
vol
tag
e
pro
tecti
on
OFF1
OFF1-
OFF2
E
RR1
E
RR2
OFF2
-48V
RP
101
G
A
IN
1
RP
102
±
φ
1
RP
100
X
J105
X
J300 –
Pa
ra
lle
l o
p
er
at
io
n
wi
th
2
nd
c
h
annel
S
W1/
2
Di
gi
ta
l del
ay
sw
itc
h on
p
anel
+m
s 1
/ 2
M
an
agem
ent
S
K
Trans
m
itt
ing
B
U
S
M
2
R
ec
eiv
in
g BU
S
M2
3 2
1
Fig 4
Block diagram of the RO4 unit (one channel)
Power Channel Modules
E-33
446S037.914.14N00