A2517

The power supply A2517 is a single width board (5 TE wide) that houses 8 independent Low voltage Individual Floating channels. The A2517 is equipped with D-Sub 8-pin connector:

D-Sub 8W8 – 8 pin high current connector

Single width (5 TE wide), 8 channel

(Mod. A2517, A2717C)

Consult our connectors reference page for technical information.

A2517 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 1÷ 5 V, (1 mV steps) with 1 mV monitor resolution (connector and sense voltages). The Maximum channel power is 50 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).

Channels can be connected in parallel with modularity 2 or 4 to obtain higher output power. For 2/4 modularity Iset resolution is 100 mA and Imon resolution is 10 mA. (This feature is not available for A2517C version).

Channels feature a PID (proportional integrative-derivative) digital controller, whose parameters (Kp: Proportional gain, Ki: Integral gain, Kd: Derivative gain) are user programmable. In this way, the control loop can be optimized to any load conditions independently for each channel.

Safety features include:

• Overvoltage detection: if a channel voltage exceeds the programmed Overvoltage threshold value (OVVThr), it is signalled to be in “overvoltage” and is switched off.

• Undervoltage detection: if a channel voltage decreases below the programmed undervoltage threshold (UNVThr) it is signalled 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” and is switched off. For A2517C version the relevant channel can be programmed to turn off after a programmable TRIP time and to provide the maximum allowed current. If TRIP is set to “infinite”, the channel behaves like a current generator.

• Fast Ramp Down Mode (available only for A2517C version): In this mode the channel output will decrease to 1 V in 100 μs and turn off completely in 1 ms.

• A global enable/disable connector allows to disable the channels.