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CIAS Elettronica S.r.l.
Ed. 1.1
Installation Manual
Page
46
of
76
PYTHAGORAS 3
3 CONNECTIONS
3.1 Terminals, connectors and circuit functions
3.1.1 Transmitter Control Circuit
Figure 5 Component layout TX circuit
The following tables show the functions of the terminals on the PYTHAGORAS3 TX board:
TERMINAL BLOCK MS 2 TRANSMITTER
Term. Symbol Function
1
TMP
Tamper Relay C Tilt AMP1 (NC)
2
TMP
Tamper Relay C Tilt AMP1 (NC)
3
FLT
Fault Relay Contact (NC)
4
FLT
Fault Relay Contact (NC)
5
STBY
Not used
6
TEST
Input for TEST Command (Norm. Open from GND)
7
GND
Auxiliary Ground Output
8
SYNC
Output (Input) for Synchronising signal, to (from) TX Slave (Master)
TERMINAL BLOCK MS 3 TRANSMITTER
Pin
Symbol
Function
1
13,8V
Positive for RS 485/232 Converter power supply (+13,8V
)
2
GND
Negative for power supply and data reference
3
LH
High Data line (+ RS 485)
4
LO
Low Data line (-RS 485)
JP2 LED
ON OFF
SYNC
Jp1
LINE TERMINATION
RS 485
ON
Jp4
OFF
OUT
IN
J3
J2
J4
S1
MS2
MS3
SW2
SW1
SW3
LED
FAULT
LED
TAMPER
1000uF
1
3
,8
V
GND
T
M
P
T
M
P
FLT
FLT
S
T
BY
T
E
S
T
GND
S
Y
NC
LH
LO
TILT
BULB
CHANNEL