EasyIO FD-20i User Reference v1.2
Hardware Configurations
Power supply Connection
Both AC and DC can be used for EasyIO FD-20i controller. Refer to electrical specification for the working
range. In order to avoid damage on the controller input/output devices and RS485 connection, use
individual power supply for each controller. If a single power supply is used, make sure controller power
supplies are connected with the same polarity.
Electrical Characteristic
Power Supply
24V AC +/- 5% or 24V DC +20%/-15%
Consumption
< 500 mA
Operating Temperature
32 to 150 Deg-F (0 to 65 Deg-C)
Storage Temperature
-4 to 150 Deg-F (-20 to 65 Deg-C)
Operating Humidity
10% to 70% relative humidity non-
condensing
Power Supply Connection
Multiple controllers share single transformer connection
