©
CIAS Elettronica S.r.l.
Ed. 2.4
3 CONNECTIONS
3.1 Terminals, connectors and circuit functions
3.1.1 Transmitter Control Circuit
JP2 LED
ON OFF
SYNC
Jp1
TERMINAZIONE
DI LINEA RS 485
ON
J 4
P
OFF
OUT
IN
13,8V
GND
MPR
1
2
3
1000uF
MS1
J3
J2
J4
S1
FL
T
ST
B
Y
T
EST
GN
D
SY
N
C
FL
T
TM
P
TM
P
L0
LH
GN
D
13,
8
V
MS2
MS3
SW2
SW1
SW3
LED
GUASTO
LED
TAMPER
Figure 8 Component layout TX circuit
The following table shows the functions of the terminals on the PYTHAGORAS TX board:
Terminal Block MS1 TRANSMITTER
Term Symbol
Function
1
13,8V
Positive for power supply (+13,8V )
2
GND
Negative for power supply
3
MPR
Positive Mains Present (+14,6V = mains and power supply
OK)
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 (Must be closed to GND)
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)
Installation Manual
Page
34
of
56
PYTHAGORAS