Xylem Nexicon XAM 912 Guia De Instalacion página 4

en - Original instructions
The module must be installed in slot 1 and 2 of
the backplane for the Setup Wizard to start cor-
rectly.
5. Connect the applicable equipment to the module.
6. Attach the cables to the cable tie holder.
3 Operation
3.1 Startup and operation
Pumps, switches, sensors, and other equipment are
installed according to separate instructions, and then
connected to the Nexicon
is connected to the application manager or to the
backplane supply module. When all the modules are
installed and energized, the Setup Wizard starts au-
tomatically.
4 Technical Reference
4.1 Environmental requirements
Parameter
Operating temperature
Storage temperature
Operating humidity
Storage humidity
Maximum altitude
Pollution degree
4.2 IP rating
Degree of protection, IP20
Code Description
IP Ingress Protection
2 Protection against solid objects:
• Finger or similar objects not greater
than 80 mm in length
• Solid objects greater than 12.5 mm in
diameter
0 No protection against ingress of water
4.3 Electrical data
Parameter
Supply voltage, through
the backplane
Input power
RTC battery
The application manager has an internal battery for
the Real Time Clock (RTC).
4
™
system. A user interface
Value
-20°C – +60°C (-4°F –
+140°F)
-40°C – +85°C (-40°F –
+185°F)
20 – 85% relative humid-
ity, non-condensing
10 – 95% relative humid-
ity, non-condensing
2000 m (6562 ft)
2
Value
+ 24 V
5 W
Parameter
Battery type
Nominal battery voltage
Battery capacity
4.4 Terminals
For images, see the appendix.
The LED next to each terminal is green when the
terminal is electrically active.
No. Terminal Description
1 RS485-1 GND RS-485
Termination can be activat-
A
ed in the software
B
Connection to external con-
trol systems and modems
2 RS485-2 GND RS-485
Termination can be activat-
A
ed in the software
B
Connection to external con-
trol systems and modems
3 AI 1 +
–
4 AI 2 +
–
5 Reset Option to reset the module
6 USB-A USB host
7 USB-C USB device
8 Battery, SD card Battery BR1632, included
Micro SD card, not included
9 DO 1 – DO 4 Digital outputs
10 GND Common ground for the
digital inputs
Value
BR1632
3 V
120 mAh
• Passive analog input, 4–
20 mA
• Input impedance
≤250 ohm
• Galvanically isolated
• Passive analog input, 4–
20 mA
• Input impedance
≤250 ohm
• Galvanically isolated
• Normally open
• Potential free relay out-
puts
• Maximum 3 A resistive
load
• Maximum 250 VAC,
overvoltage category II.
External fuse required,
5A, for voltage above
30 VAC
• Maximum 30 VDC