CIAS Elettronica S.r.l.
Ed. 1.3
Installation Manual
Page
52
of
78
PYTHAGORAS 3
10.1.4
Transmitter Interface Circuit
IR High
IR1 Low
IR2 Low
Power
DZD
MS4
MS1
MS2
MS5
MS3
J1
+
1
3
,8
V
G
N
D
M
P
R
+
1
3
,8
V
G
N
D
IN
A
L
D
IS
Q
D
IS
Q
+
1
3
,8
V
G
N
D
IN
A
L
+13,8V
GND
IN AL
DISQ
DISQ
+13,8V
GND
IN AL
DISQ
DISQ
OFF
JP1
JP3
JP2
JP5
JP4
OFF
OFF
OFF
OFF
1
1
1
1
1
Figure 7 Component layout TX interface circuit
TERMINAL BLOCK MS5 (POWER) TRANSMITTER INTERFACE CIRCUIT
Term
Symbol
Function
1
13,8V
Input for Positive power supply (+13,8V
)
2
GND
Input for Negative for power supply
3
MPR
Positive Mains Present (
+14,6V
= mains and power supply OK)
TERMINAL BLOCK MS1 (DZD) TRANSMITTER INTERFACE CIRCUIT
Term
Symbol
Function
1
13,8V
Positive power supply for Doppler device (+13,8V
)
2
GND
Negative power supply for Doppler device
3
IN AL
Doppler input signal
TERMINAL BLOCK MS2 (IR HIGH) - MS3 (IR2 LOW-MID) - MS4 (IR1 LOW)
TRANSMITTER INTERFACE CIRCUIT
Term
Symbol
Function
1
13,8V
Positive for power supply circuit (+13,8V
)
2
GND
Negative for power supply circuit
JUMPERS TRANSMITTER INTERFACE CIRCUIT
Symbol
Symbol
Default
JP1
Doppler Alarm Management
OFF
TRANSMITTER CONTROL CIRCUIT CONNECTOR
Symbol
Function
J1
Connector for the transmitter control circuit. It provides power and
alarm contact coming from the MW Doppler.
Summary of Contents for PYTHAGORAS3
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