Siemens SENTRON PAC4220 - Page 105

Supply voltage
Supply voltage  
Wide-range AC/DC power supply unit 7KM4220-0BA01-1EA0

AC: 95 ... 250V (+/-10%), max. 28VA /
6W
DC: 110 ... 270V (+/-10%), max. 6W
Extra-low voltage DC power supply unit 7KM4220-1BA01-1EA0

DC: 24 ... 48V (+/-25%), max. 6W
Overvoltage category OVCIII
Digital inputs
Number 2
Type Opto-isolated
Input voltage Rated value 24V DC
Maximum input voltage 30VDC
Switching thresh. signal "1" >11VDC
Input current For signal "1" Typ.7mA
Digital outputs
Number 2
Type Opto-isolated
Design/function Switching output or pulse output
Rated voltage 0...30VDC, typically 24VDC (SELV or PELV supply)
Output current For signal "1" Depends on the load and the external power supply
Continuous load

≲50mA
(t
hermal o
verload protection)
Transient overload ≲130mA for 100ms
With "0" signal ≲0.2mA
Internal resistance 55Ω
Pulse output func‐
tion
Standard for pulse emitter Signal characteristics in accordance with IEC62053-31
Adjustable pulse duration 30ms... 500ms
Minimal settable time frame 10ms
Max. switching frequency 17Hz
Short-circuit protection Yes
Technical data
9.1PAC4220 technical data
PAC4220
Equipment Manual, L1V30827278B-01 103