XLINK 500/100 Operations & Maintenance Manual page # 17
3.8.
XLINK-500 and XLINK-100 Left Terminal strip
XLINK-500 has two terminal strips to provide the connections for sensors and outputs. XLINK-100
has only one terminal strip on left side.
The table below describes the purpose of each connection on the left terminal strip for XLINK-
500 and XLINK-100
Description
Note
1
GND
Main Battery/Power Ground
2
9-20VDC
Main Battery/Power
3
GND
Solar panel -
4
+ Solar (20 W max)
Solar Panel +
5
RS485 A
SDI-12 over RS-485, Modbus over RS-485
6
RS485 B
SDI-12 over RS-485, Modbus over RS-485
7
Ground
Ground
8
+SW POWER
Switched Main Power (9-20VDC) (turned on
during warm-up and analog sensor
measurement)
9
Ground
Ground
10
WS/DIG IN 1
Wind Speed or Digital Input 1
11
Ground
Ground for sensor
12
TB/DIG IN 2
Tipping Bucket or Digital Input 2
13
DOUT
Digital Output (open collector, turned on
manually, with alarms, or via equations)
14
Ground
Ground
15
SDI-12 PWR
Isolated Main Power (9-20VDC) to SDI-12
sensors (500 ma max)
16
SDI-12 DATA
SDI-12 Data