EN
1.
Connect the TTL MODBUS port on the EVlink Wi-Fi to the TTL
MODBUS port on the controller.
2.
2.1 Connect the end of an independent power supply cable to
terminal 1 of the plug-in screw terminal block on EVlink Wi-
Fi.
2.2 Connect the end of the other independent
power
plug-in screw terminal block on EVlink Wi-Fi.
Before powering up the controller and EVlink Wi-Fi, see the
section FIRST-TIME USE.
4.4
Electrical connection of EVIF25SWX
to a controller able to power EVlink
Wi-Fi
N.B.
- Connect the RS-485 using a twisted pair
- The maximum permitted length of the RS-485 connection cables
is 1000 m (3280 ft) and enables EVlink Wi-Fi to be installed in
the most convenient place. Make sure that the voltage supplied
to EVlink Wi-Fi is within the limits set in the section TECHNICAL
SPECIFICATIONS
1.
1.1
Connect terminal 4 of the EVlink Wi-Fi RS-485 MODBUS
(GND) port to the GND terminal of the RS-485 MODBUS
port of the controller.
1.2
Connect terminal 3 of the EVlink Wi-Fi RS-485 MODBUS (B-)
port to the B- terminal of the RS-485 MODBUS port of the
controller.
1.3
Connect terminal 2 of the EVlink Wi-Fi RS-485 MODBUS
(A+) port to the A+ terminal of the RS-485 MODBUS port of
the controller.
1.4
Connect terminal 1 of the EVlink Wi-Fi RS-485 MODBUS
(+12 V) port to a terminal on the controller that is able to
supply 12 VAC/15 VDC (VPS).
Before powering up the controller and EVlink Wi-Fi, see the
section FIRST-TIME USE.
supply cable to terminal 2 of the
4.5 Electrical connection
to
a
controller
EVlink Wi-Fi
N.B.
Connect the RS-485 using a twisted pair
1.
1.1
Connect terminal 4 of the EVlink Wi-Fi RS-485 MODBUS
(GND) port to the GND terminal of the RS-485 MODBUS
port of the controller.
1.2
Connect terminal 3 of the EVlink Wi-Fi RS-485 MODBUS (B-)
port to the B- terminal of the RS-485 MODBUS port of the
controller.
1.3
Connect terminal 2 of the EVlink Wi-Fi RS-485 MODBUS
(A+) port to the A+ terminal of the RS-485 MODBUS port of
the controller.
2.
2.1
Connect terminal 4 of the EVlink Wi-Fi RS-485 MODBUS
(GND) port to the end of an independent power supply
cable.
2.2
Connect terminal 1 of the EVlink Wi-Fi RS-485 MODBUS
(+12 V) port to the end of the other independent power
supply cable.
Before powering up the controller and EVlink Wi-Fi, see the
section FIRST-TIME USE.
PRECAUTIONS FOR ELECTRICAL CONNECTION
If the device is moved from a cold to a warm
-
place, humidity may cause condensation to form
inside. Wait for about an hour before connecting it
to the controller or the independent power supply
Disconnect the device from the controller or the
-
type of maintenance
independent power supply before carrying out any
For repairs and for further information, contact the
-
EVCO sales network
page 20
of 43
of
EVIF25SWX
unable
to
power