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Technical Specifications

Output Current Range ±60 A
Output Voltage Range ±20 V
Topology Bipolar
Maximum Output Power 1200 W
Current Setting Resolution 450
Output Current Readback 20 bit
Output Voltage Readback 20 bit
Output Current Ripple < 0.01 % / FS
Long Term Stability (8h) < 0.002 % / FS
Switching Frequency 100 kHz
Closed Loop Bandwidth > 1 kHz
Accuracy 0.05 %
External Interlocks/States 4 Inputs: user-configurable "dry" contacts
2 Outputs: relay-type (magnetic + solid-state)
Internal Interlocks DC Link Under-Voltage
Over-Temperature
Over-Current
Over-Voltage
Earth Fault Current
Regulation Fault / Excessive Current Ripple
Hardware Protections Input Fuses
Earth Fuse
Over-Voltage
Auxiliary ADC Readbacks (16-bit) DC Link Voltage
Ground Leakage Current
Temperature
Cooling On-Module Self-Regulated Fans
Drivers EPICS
Connectivity Ethernet 10/100 Mbps
Extra-Features Hot-Swap
Point-by-Point Current Waveform Loading
User-definable interlock thresholds, active levels and timings
DSP and FPGA Firmware Remote Updates
Input Voltage 90-260 V(AC) 47-63 Hz
Dimensions (SY3662 crate) 19”" - 3U high Euro-mechanics rack

Ordering Options

Product code Description Ordering Code
SY3662 SY3662 - Crate WSY3662XAAAA
A3667B A3667B - 24V Bulk PS and ±15V Aux PS WA3667BXAAAA
A3660BS A3660BS - Low Voltage Digital Bipolar Current Power Supply (60A 20V; 1200W max) WA3660BSXAAA

Overview
Overview
Immagine del prodotto

Two independent ±60A@±20V modules installed in a single 19"- 3U standard crate.

High efficiency, high stability, easiness of configuration and maintenance are the key features of this power supply (PS) system, which continues the CAEN ELS series of power supplies especially designed to operate in particle accelerator facilities like Synchrotrons and FELs.

The system houses up to 2 independent current-controlled bipolar power supply modules, rated at 60A and 20V, in a single 19-inch 3U standard crate (SY3662).

An auxiliary AC/DC converter (embedded in the bulk unit) powers the control circuits of the modules. Each A3660BS module implements a completely digital feedback control loop with a proprietary PWM generation technique: this makes the system extremely versatile and easy to "tune" to any load/magnet condition.

As for the SY3634 heterogeneous system, the modules are composed by a Control Board (CB) and a Power Board (PB) that are mechanically connected: communication between boards is almost exclusively performed by digital signals that avoid possible analog signal corruption and undesired noise pick-up.


Immagine del prodotto

High stability of output current is obtained by using the 0-FLUCS current transducers as sensing elements.

Remote communication is guaranteed by means of an Ethernet 10/100 auto-sensing socket present on each module front panel. The communication protocol has compatibility with the SY3634 system modules – i.e- A3605BS, A3610BS, A3620BS, A3630BS.

The PS can also be locally monitored/controlled via an encoder and a graphic color display featuring user-friendly menus.

Up to two auxiliary + DC bulk power supplies – i.e. A3667 – can be installed into the SY3662 crate, one for every installed channel. Cooling is performed by embedded fans, directly controlled by an output current-related hysteretic algorithm.

Software and drivers are available for different operating systems like MS Windows, Linux and Mac OS; these devices are also Epics- and Tango-compatible.

Commercially available system crate (SY3662), 60A - 20V modules (A3660BS) and auxiliary and bulk power supply modules (A3667B).


Features
  • Digital feedback current control loop
  • Graphic color display and encoder per channel for local control and monitoring
  • High DC/DC power conversion efficiency
  • True bipolar zero-crossing operation
  • Ethernet connectivity
  • Independent external interlocks user-selectable
  • 0-FLUCS DCCT feedback element
  • On-module speed-regulated fans
  • Internal temperature monitor circuits
Documentation Software/Firmware
SY3662 - User's Manual Last update: 2015-05-02 20:08:31

SY3662 - Product Presentation Last update: 2015-05-02 20:27:00

Visual SY3662 - Installer (1.2) Last update: 2015-05-02 20:10:52
11.03 MB


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