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AXIS 225FD - Unit Connectors
I/O terminal connector schematic diagram
Example schematic diagram of the AXIS 225FD terminal connector - showing possible
applications.
o
o
o
o
A
B
3
4
5
External Device
o
o
1
2
RS-485/422
Mains Power
24V DC
Appliance
Optional
Relay
Switch
o
o
o
o
o
o
o
o
o
7 GND
Switch, etc.
6
+3.3V
+3.3V
LED indicators:
1
Network Green Steady for connection to 100 Mbit/s network. Flashes for network activity.
Amber Steady for connection to 10 Mbit/s netw
ork. Flashes for network activity.
Red Flashes rapid red, together with the Status
indicator, for hardware error.
Unlit No connection.
2
Status Green Shows steady green for normal operation.
Amber Shows steady amber during reset to factory
default or when restoring settings.
Red Slow flash for failed upgrade. Rapid flash, togeth
er with the Network indicator, for hardware
error.
3
Heater Green Shows steady green if the connected power supply can deliver the correct voltage for the
heater (See Power, on p
age 58 of Technical Specifications ).
Red Incorrect voltage for the heater (i.e., the voltage is either too hig
h or too low).
4
Power Green Normal operation.
Amber Flashes green/amber during firmware upgrade.
LED Function Color Description