Technical specifications
Table 4: FW-28 UL input, output, and communication ratings
Description Specification Terminal
• 24 VAC, plus or minus 5%
• 24 VDC, plus 20% or minus 15%
Power supply
12VA, Class 2
H and G
Voltage 0 VDC to 10 VDC, Class 2Universal
inputs
Resistance 500 ohm to 500,000 ohm
UI1 and COM to
UI16 and COM
24 VAC, 0.5 A pilot duty, Class 2Digital outputs
24 VDC, 0.5 A pilot duty, Class 2
DO1 to DO8
Voltage 0 V to 10 V, Class 2
Minimum load
independence
2,000 ohm
Universal
outputs
Maximum current draw 5 mA
AO1and COM to
AO4 and COM
D+
D-
EIA/RS-485 Class 2
S
ENET0Ethernet Ports Class 2
ENET1
Table 5: FW-28 wireless rating
Specification Rating
Standard IEEE 802.11
Band b/g/n
Frequency range 2412 MHz to 2472 MHz
Antenna 2 dBi Dipole
Transmission power 16.6 dBm EIRP
Table 6: Product temperature and humidity specifications
Specification Value
Operating temperature 32°F to 150°F or 0°C to 65 °C
Storage temperature -4°F to 150°F or -20°C to 65 °C
Operating humidity 10% to 70% relative humidity, non-condensing
Regulatory compliance
Table 7: Regulatory compliance
Standards
UL 916 Energy Management Equipment
FCC Class B, Part 15, Subpart C 15.247
CE Compliance
17EasyIO FW-28 Quick Start Guide