8
Synel Industries Ltd.
Installation
Stand-Alone Terminals
2.3.2.
SY-11
There are 12 connecting wires (The packaging contains a note on wiring
code).
Terminal Block - P2
* When JP9 is [1-2] [3-4] ON, SEN 1.2 = GND
When JP9 is [2-3] ON, SEN 1.2, SEN 1.1 = Sensor AC
Terminal Block - P3
Pin
Signal
Description
P2.1
Common
Relay
P2.2
SEN1.1
2 - Sensor input AC/DC, dry con-
tact
P2.3
N.C
Relay - Normally closed
P2.4
SEN1.2
*
P2.5
N.O
Relay - Normally open
P2.6
BL2
Bell
Pin
Signal
Description
P3.1
BL1
Bell (1)
P3.2
12V
P3.3
Alarm
P3.4
Ground
P3.5
TX
Transmit Data (RS-232)
P3.6
RX
Receive Data (RS-232)
P3.7
-TXRX
RS-485
P3.8
+TXRX
RS-485
