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A2553

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8 Channel 32 V/3 A Full Floating Channel Board

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Features

  • 8 independently controllable Low Voltage channels
  • 0÷32 V output voltage and 3A maximum current (60 W)
  • Individual Full Floating Channels
  • DB37 or 8 pin D-Sub connectors
  • Individual remote sense lines (A2553A only)
  • Low ripple
  • Under/over-voltage alert, overcurrent and max. voltage protection
  • Interlock logic for unit enable
  • Software Tool for easy channel management
More info
3 Years Warranty
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Overview

The power supply A2553 is a single width board (5 TE wide) that houses 8 independent Low Voltage Individual Full Floating channels, compatible with the CAEN Universal Multichannel Power Supply System (SY4527, SY5527). The A2553 is available in different versions equipped with D-Sub 8-pin or with DB37 connector:

blank DB37 connector

Single width (5 TE wide), 8 channels for Mod. A2553A

 APP PC5933T 1 D-Sub 8W8 – 8 pin high current connector

Single width (5 TE wide), 8 channels for Mod. A2553

Consult our connectors reference page for technical information.

A2553 Individual Floating channels allow on-detector grounding, reducing the noise level. The floating channels are insulated from each other up to ±500 V. Each output channel is provided with individual remote sensing lines to compensate for the voltage drop over the connection cables.

The output voltage range is 0 ÷ 32 V, with 1 mV monitor resolution (connector and sense voltages). The maximum output current is 3 A with 100 μA monitor resolution. The Maximum channel power is 60 W. The Output Voltage RAMP UP and RAMP DOWN Times may be selected independently for each channel in 1 ÷ 500 V/s range (1 V/s step).

The A2553 can be optionally configured to allow channel paralleling in pairs (CH0-CH1, CH2-CH3, CH4-CH5, CH6-CH7).
When two channels are connected in parallel, the system detects the change and recognizes them as a single channel with a maximum output current of 5 A and a total power of 100 W.
Boards manufactured without this option can be retrofitted.

Safety features allows the module to perform as a current generator and includes:

Overvoltage detection if a channel voltage exceeds the programmed Overvoltage threshold value (OVVThr), it is signaled to be in “overvoltage” and is switched off.
Undervoltage detection if a channel voltage decreases below the programmed undervoltage threshold (UNVThr) it is signaled to be in “undervoltage” and is switched off.
Overcurrent detection if a channel tries to draw a current larger than its programmed limit, it is signalled to be in “overcurrent”; when overcurrent is detected, the relevant channel can be programmed either to turn off after a programmable trip time or to keep on providing the maximum allowed current: this feature allows the module to work as current generator.
A global enable/disable connector allows to disable the channels and it is also possible, via front panel logic signals, to enable individually each channel (A2553A only).

Technical Specifications

Packaging

1 unit (5 TE) wide; 6U – High mechanics

No. of Channels

8

Polarity

Individual Floating (±500V isolation)

Output Voltage

0 ÷ 32V

Max Output Current

3A

Max Output Power (connector Output)

60 W

Vset Resolution

1 mV

Iset Resolution

0.1 mA

Vmon Resolution

1 mV

Imon Resolution

0.1 mA

Ramp Up/Down

1-500V/s (1 V/s step)

Voltage Ripple (10Hz ÷ 20MHz)

Typ: < 4 mVpp
Max: < 8 mVpp

Accuracy*

±% read value ± % FS

  • Vout/Vmon ± 0.1% ± 50 mV
  • Vset/Vout ± 0.1% ± 50 mV
  • Iout/Imon ± 1% ± 10 mA
  • Iset/Iout ± 1% ± 50 mA
Hardware OVV Protection

35V typ

Trip

0 to 999.9s; 1000s = Infinite; step 0.1s

Stability

<5mV (Vset = 5V – No Load – one day after 1 hour warm up)

Long Term Stability

<10mV (Vset = 5V – No Load – one week after 1 hour warm up)

Temperature Coefficient

±100ppm/°C

Load regulation

< 0.05% (Vset = 5V, Iout from 0A to 10A, 1m AWG20 cable / 1m AWG20 sense wire)

Operating temperature

0 ÷ 45°C

Storage temperature

-10 ÷ 70°C

Humidity

0 – 80% non condensing

Altitude

2000m

Safety Standard – ROHS – Halogen free

ROHS

MTBF

Base: 120000 hours

EMC qualification

CE Standards

Compare

Compare with Floating Low Voltage Power Supplies.

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Ordering Options

Code Description
WA2553AXAAAA A2553A - individual floating 8 ch 32 V/3 A (60 W) board - DB37 conn.   RoHS
WA2553XAAAAA A2553 - individual floating 8 ch 32 V/3 A (60 W) board   RoHS
WPERSXXA2553 A2553 parallel channel customization   RoHS

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