14
P S -10/P S -20 – S ta n d a rd S p e c ific a tio n s
Input Supply
90 to 260 VAC 50/60 Hz (PS-10)
+20 to +60 VDC or –20 to –60 VDC (PS-20)
Note: the module can also be powered using 12 to 13.8 VDC when
powered from the backup battery terminals.
Backup Battery
12 VDC, 26 AH max. Sealed Lead-Acid
Outputs
+5 VDC @ 2 A Max. to Bus
+12 VDC @ 4 A Max. to Bus
+12 VDC @ 4 A Max. to Battery
+24 VDC Isolated @ 400 mA Max. to Field (optional)
+13.8 VDC @ 3.6 A Max. to Radio
Maximum output power: 50 W
Isolation
3 kV AC input/DC output
3 kV Isolated 24 VDC output
Deep Discharge
Protection
RTU Shutdown at 10.5 V + 0.2 V
RTU Startup at 11.8 V + 0.2 V
Supply Fuse
Slow blow internal
1.6 A (PS-10) or 6.3 A (PS-20)
Battery Fuse
4 A Polyfuse (self-resetting)
Connector
Removable for AC/DC connections
LED indicators
(Standard)
Vsup
DC voltage present
Vb
Battery voltage present
5 V
5 V present
Vaux Auxiliary converter present
Monitoring Processor
(Optional)
Monitoring Circuits:
Battery Current
Battery Voltage *
Supply Current *
Temperature
Detection circuits:
AC present
Battery low
Aux. 24 V present
Control circuits:
Aux. 24 V on/off
Radio power on/off
LED indicators:
OK
Microprocessor Watchdog
Batt CHG
Battery Charging
FL
Float Charge
BO
Boost Charge
LO
Battery Low
* The battery voltage is monitored when the input supply is disconnected. While the input supply is
connected, the module will measure the regulated voltage and current output of its AC (PS-10) or DC
(PS-20) input circuit.