It-r4s specifications – FSR IT-R4S User Manual
Page 11

11
IT-R4S Specifications
Relay Ratings
Relay Contact material
Ag alloy
Max. Switching voltage
50 VAC, 30 VDC
Max. Switching current
5 A (NO)/3 A (NC)
Max. Switching capacity
(NO): 250 VA (AC), 150 W (DC Resistive)
(NC): 150 VA (AC), 90 W (DC Resistive)
Min. permissible load
10 mA at 5 VDC (for contact cleaning)
Power
Power supply
FSR IT-PS1 #16805 may be ordered separately
RS-232 Control Input
Connectors
Screw down terminals
Format RS-232
Protocol ASCII
Serial looping
Via IN/OUT loop ports
38.4K fixed on COM1
Baud Rate
2400, 4800, 9600, 19200, 38,400, 57,600 baud
on COM2 pass-through port
Mechanical and Environmental
Connectors
Screw terminals
Overall dimensions (see drawing
for details)
4.25”L x 3.44” W x 1.57” H
Shipping weight
0.9 lbs.
Ambient temperature
0 to 50°C
Ambient humidity
5% to 95% non-condensing