©
CIAS Elettronica S.r.l.
Ed. 2.4
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)
CONNECTOR J2 TRANSMITTER
Pin Symbol
Function
1
GND
Ground for MW Oscillator
2
DRO
Connection for MW Oscillator
3
GND
Ground for MW Oscillator
CONNECTOR J3 TRANSMITTER
Pin Symbol
Function
1-2-3-5-8-9-10-11-
14-15
N.C.
Not used
4 GND
Ground
6
+13,8
Power Supply (13,8 V )
7 GND
Ground
12
+5V
Internal power supply voltage (5 V )
13
OSC
Oscillator operation measurement
(+4V = OK, 0 o 8V = NON OK)
16
+8V
Internal power supply voltage (8 V )
CONNECTOR J4 TRANSMITTER
Pin
Symbol Function
1
GND
Ground Connection to Tamper switch
2
ING
Tamper switch input
3
GND
Ground Connection to Tamper switch
TRANSMITTER CHANNEL SELECTOR
Symbol
Function
SW3
Hexadecimal switch for the selection of the modulation
channel from 0 to F
LINK NUMBER SELECTOR
Symbol
Function
SW2
Tens
Selector
SW1
Units Selector
TRANSMITTER JUMPERS
Symbol
Function
Normal
Jp1
OUT = Internal Modulation (the Tx is Master
and the Synchronisation signal is output)
IN = External Modulation (the Tx is Slave and
the Synchronisation signal is input)
OUT
Jp2
Exclusion of fault and tamper led
ON
TRANSMITTER LEDS
Symbol
Indication
Normal
D7
Fault
ON
D3
Tamper
ON
Installation Manual
Page
35
of
56
PYTHAGORAS