Document type:
Title:
Revision date:
Revision:
User's Manual (MUT)
EASY3000/4000 Embedded Assembly SYstem
01/09/2005
5
NPO:
Filename:
Number of pages:
Page:
00105/03:A1676A.MUTx/05 A1676A_REV5.DOC 27
23
3.3
48 V Power Sources
3.3.1
Mod. A3486 AC/DC Converter for Hostile Areas
The CAEN Mod. A3486 is a two channel 220/400 Vac – 48 Vdc converter, which allows
to integrate into the EASY channels control also the management of the 48 V power
supplies. Each channel provides a 2 kW output and can be tracked in order to obtain one
4 kW output. This module is designed to work as main converter in LHC hostile areas,
thus completing the EASY system. Features include local or remote control, overload
protection and local or remote inhibit function.
CH0
48V SERVICE
IN
48V IN
48V ON
EASY BUS
LOCAL INPUT
OUTPUT
OUTPUT
INPUT
INPUT
TERMINATION
ON
OFF
EARTH
MAIN
-OUT CH0+
-OUT CH1+
SENSE CONNECTOR
OUT-
S-
S+
OUT+
SENSE CONNECTOR
OUT-
S-
S+
OUT+
ON
CH1
OUT
S
T
A
T
U
S
- IN +
COMM
ON
OFF
ENABLE
INTERLOCK
ENABLE
GND
K
DISABLE
A
VCC
STATUS
ON
MAX
DROP
OVC
INT.
FAIL
INTERLOCK
ENABLE
GND
K
DISABLE
A
VCC
STATUS
ON
MAX
DROP
OVC
INT.
FAIL
CHANNEL 0
CHANNEL 1
POWER
TRACKING
PARALLEL
INDEPENDENT
Mod. A3486
2x2KW / 1x4KW 48Vdc POWER SUPPLY
Fig. 3.6 – A3486 48 V Power Source for Hostile Areas front panel
Table 3.3 – Technical specifications of the A3486 48 V Power Source
Model:
A3486
Polarity:
positive
AC input:
3-phase 220/400 V 50/400 Hz
Output Voltage:
44 ÷ 52 V software adjustable
Max. Output Power:
4000 W
Voltage Ripple:
< 100 mV pp
