8 Channel 8 V/12 A Full Floating Channel Board
A2551
The power supply A2551 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 A2551 is available in different versions equipped with D-Sub 8-pin or with DB37 connector:
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DB37 connector Single width (5 TE wide), 8 channels for Mod. A2551A |
D-Sub 8W8 – 8 pin high current connector Single width (5 TE wide), 8 channels for Mod. A2551 |
Consult our connectors reference page for technical information.
A2551 Individual Floating channels allow on-detector grounding, reducing the noise level. The floating channels are insulated from each other up to ยฑ500 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 รท 8 V, with 0.2 mV monitor resolution (connector and sense voltages). The maximum output current is 12 A with 500 ฮผA 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 รท 500 V/s range (1 V/s step).
Safety features allows the module to perform as a current generator and includes:
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Overvoltage detection |
if a channel voltage exceeds the programmed Overvoltage threshold value (OVVThr), it is signaled to be in โovervoltageโ and is switched off. |
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Undervoltage detection |
if a channel voltage decreases below the programmed undervoltage threshold (UNVThr), it is signaled to be in โundervoltageโ and is switched off. |
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Overcurrent detection |
if a channel tries to draw a current larger than its programmed limit, it is signalled to be in โovercurrentโ; 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. |
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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 (A2551A only). |
Features
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8 independently controllable Low Voltage channels
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0รท8 V output voltage and 12 A maximum current (60 W)
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Individual Floating Channels
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DB37 or 8 pin D-Sub connectors
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Individual remote sense lines (A2551A only)
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Low ripple
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Under/over-voltage alert, overcurrent and max. voltage protection
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Interlock logic for unit enable
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Software Tool for easy channel management
A2551: Manuals
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