User Instructions

www.pulsar.pl MSRK3012
4
Fig.2. View of the PSU module
1.4 Specifications:
- electrical parameters (tab.2)
- mechanical parameters (tab.3)
- operating parameters (tab.4)
Electrical parameters (tab. 2).
Mains supply
20V÷22V AC
80VA min. (e.g. AWT8161820, AWT039, AWT800)
Current up to
4,6 A max.
Power frequency
50Hz
Power
49 W
Efficiency
81%
Output voltage
11V÷ 13,8V DC – buffer operation
10V÷ 13,8V DC – battery-assisted operation
Output current
3A + 0,5A battery charge
2,5A + 1A battery charge
Voltage adjustment range
12V÷ 14,5V DC
Ripple
40 mV p-p max.
Current consumption by PSU module systems
15 mA
Battery charging current
0,5A / 1A - jumper selectable
Short-circuit protection SCP
Electronic - current limitation and/or activation of the F
BAT
melting fuse in the battery circuit (failure requires fuse
replacement). Automatic return.
Overload protection OLP
110% ÷ 150% (@25ºC) of power supply, manual restart (the
fault requires disconnection of the DC output circuit)
Battery circuit SCP and reverse polarity protections
F 5A - current limitation, F
BAT
fuse (in case of a failure, fuse-
element replacement required)
Surge protection
varistors
Excessive discharge protection UVP
U<10V (± 5%) – disconnect of connection battery,
configuration by the P
BAT
jumper
LED indication:
- AC diode indicating AC power
- AUX diode indicating DC at the PSU output
- LB diode indicating battery charging process
- red, normal status: permanently illuminated, failure: off
- green, normal status: permanently illuminated, failure: off
- yellow, the light intensity depends on battery charging current
Technical outputs:
- EPS; output indicating AC power failure
- PSU; output indicating DC absence / PSU
- OC type: 50mA max.
Normal operation: L state (0V),
failure: hi-Z state,
- delay time 10s/60s (+/-20%) – jumper selectable T
AC
- OC type: 50mA max.