Vector DA-250DH CU Manual Do Utilizador
16
H
C
C
CH 1 INPUT
E
H
C
C
CH 2 INPUT
E
Current Limiter
Short Detector
Protection Circuit
OUTPUT 1
relay
CH 1
OUTPUT
OUTPUT
CH 2
OUTPUT
OUTPUT
+4 dB
-10 dB
CH 1 sensitivity
selection jumper
(+4 dB/-10 dB)
selection jumper
(+4 dB/-10 dB)
CH 1
input level
control
input level
control
+4 dB
-10 dB
CH 2 sensitivity
selection jumper
(+4 dB/-10 dB)
selection jumper
(+4 dB/-10 dB)
CH 2
input level
control
input level
control
ON
OFF
BRIDGE ON/OFF switch
+
-
-
BRIDGE
OUTPUT
OUTPUT
Current Limiter
Short Detector
Protection Circuit
OUTPUT 2
relay
+
-
-
PARALLEL
switch
switch
14. BLOCK DIAGRAMS
14.1. DA-250D
14.2. DA-250DH
PARALLEL
switch
switch
OFF
ON
CH 2 HPF
ON/OFF jumper
ON/OFF jumper
HPF
50 Hz
50 Hz
H
C
C
CH 1 INPUT
E
H
C
C
CH 2 INPUT
E
Current Limiter
Short Detector
Protection Circuit
OUTPUT 1
relay
CH 1
OUTPUT
OUTPUT
CH 2
OUTPUT
OUTPUT
+4 dB
-10 dB
CH 1 sensitivity
selection jumper
(+4 dB/-10 dB)
selection jumper
(+4 dB/-10 dB)
CH 1
input level
control
input level
control
+4 dB
-10 dB
CH 2 sensitivity
selection jumper
(+4 dB/-10 dB)
selection jumper
(+4 dB/-10 dB)
CH 2
input level
control
input level
control
ON
OFF
BRIDGE ON/OFF
switch
switch
+
-
-
BRIDGE
OUTPUT
OUTPUT
Current Limiter
Short Detector
Protection Circuit
OUTPUT 2
relay
+
-
-
OFF
ON
CH 1 HPF
ON/OFF jumper
ON/OFF jumper
HPF
50 Hz
50 Hz