RT-220-HV / RT-220-LV User Guide
Page 27 (31)
3.7.2 Power Feed Specifications
Parameter
RT-220-LV
RT-220-HV
Notes
Nominal Voltage
24VDC
72-110VDC
Voltage Range
16
– 30VDC
50
– 138VDC
Nominal current
0.6A
0.2A
Power consumption
App. 4W
App. 8W
App. 4W
App. 8W
with no user data
with full user data load
Selecting external power
connector and power
cable diameter - Allowed
wire cross section
Min. 0.5mm2
Min. 0.5mm2
Cable Plug:
e.g. Phoenix Contact,
SACC-M12FS-4CON-PG7-M
Table 19 Power feed specifications
3.7.3 Power supply ripple
According to EN50155 the voltage ripple of the power supply may be 10% of the nominal voltage. Otherwise too
high touch current may result.