Autronica AutroVoice miniVES 2001, Service Manual

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Table 8. Technical specification of the AutroVoice miniVES Charger card
Model AutroVoice miniVES Charger
Electrical
DC main power supply 54 VDC from Power Supply Unit
DC input Edge connector to backplane
DC input protection 15 A 63 VDC SMD slow-blow fuse (non replaceable)
DC outputs
Internal (edge connector):
Ű 2x 48 V for power amplifiers, each output max. 10 A 42…57 VDC
Ű 48 V for PoE, max. 1 A
Ű 5 V max. 3 A
Ű 12 V max 1,7 A
Ű -12 V max 0,3 A
Ext (Phoenix-type connector, 3.5 mm raster):
Ű 1x 24 V max. 0,15 A
Ű 1x 48 V max. 0,35 A
DC output protection
Int:
Ű Amplifiers supply: replaceable fuses 58 VDC Low Profile
Mini 891 series blade fuse
Ű 5 A for 2xxx series, 10 A for 4xxx series
Ext:
Ű 48 V output: 0,5 A non replaceable PTC fuse
Ű 24 V output: 0,2 A non replaceable PTC fuse
Summary maximum
all DC output loads
Total output DC load shouldn’t exceed 500 W
Backup Power Supply
Battery (type) 4 pcs., VRLA 12 V 15-200 Ah
Charging method constant voltage or multi-stage
Charging current 2,3 A max.
Charging voltage 54,6 V ± 0,6 V (at 25°C)
Temperature correction coefficient -80 mV/ °C
Battery connection
Dedicated wiring
Phoenix Contact 1720466 with AWG8 connection cord 4x 12 V
Battery circuit protection
Fuses 58 VDC Low Profile Mini 891 series blade fuse
Positive cord: 7,5 A for 2xxx series, 15 A for 4xxx series
Negative cord: 20 A
Maximum total serial resistance
of wiring, fuses and batteries
60 - 160 mΩ (adjustable in configuration SW)
Temperature
Temperature sensor Dedicated temperature sensor
Operating temperature -5°C to +40°C
6.