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Technical Specifications

Output Current Range (A3605BS) ± 5 A
(A3610BS) ± 10 A
(A3612BS) ± 12 A
(A3620BS) ± 20 A
(A3630BS) ± 30 A
Output Voltage Range ± 20 V
± 40 V (Extended Version)
Maximum Output Power (A3605BS) 100 W
(A3610BS) 200 W
(A3612BS) 240 W
(A3620BS) 400 W
(A3630BS) 600 W
Current Setting Resolution (A3605BS) 160 µA
(A3610BS) 320 µA
(A3612BS) 390 µA
(A3620BS) 640 µA
(A3630BS) 950 µA
Output Current Readback 20 bit
Output Voltage Readback 20 bit
Output current ripple 30 ppm / FS
Output current stability 50 ppm / FS
Switching Frequency 104 kHz
Closed Loop Bandwidth 1.5 kHz
Accuracy 0.05 %
External Interlocks/States 8 Inputs: user-configurable "dry" contacts
3 Outputs: relay-type (2 magnetic + 1 solid-state)
Internal Interlocks DC Link Under-Voltage
MOSFETs Over-Temperature
Shunt Over-Temperature
Earth Fault Current
Regulation Fault / Excessive Current Ripple
Hardware Protections Input Fuses
Earth Fuse
Auxiliary ADC Read-Backs (16-bit) DC Link Voltage
Ground Leakage Current
MOSFETs Temperature
Shunt 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
Dimensions 19" wide - 3U high Euro-mechanics rack
Input Voltage 90/260 V(AC) (47-63 Hz) and 24-48 V(DC)
Local Control / Monitor Graphic Color Display and Encoder
6 LEDs

Ordering Options

Product code Description Ordering Code
SY3634 SY3634 - Crate WSY3634XAAAA
SY3634T SY3634T - Crate (Mating Interlock Connectors included) WSY3634TXAAA
A3631 A3631 - SY3634 Bulk PS Power Cable WA3631XAAAAA
A3632 A3632 - SY3634 SHK Sentinel Hardware Key - Optional WA3632XAAAAA
A3633 A3633- SY3634 CH & Interlock Connector Kit WA3633XAAAAA
A3636 A3636 - SY3634 Auxiliary Supply WA3636XAAAAA
A3601BS A3601BS - Low Voltage Digital Bipolar Current Power Supply (1A 20V; 20W max) WA3601BSXAAA
A3605BS A3605BS - Low Voltage Digital Bipolar Current Power Supply (5A 20V; 100W max) WA3605BSXAAA
A3610BS A3610BS - Low Voltage Digital Bipolar Current Power Supply (10A 20V; 200W max) WA3610BSXAAA
A3612BS A3612BS - Low Voltage Digital Bipolar Current Power Supply (12A 20V; 240W max) WA3612BSXAAA
A3620BS A3620BS - Low Voltage Digital Bipolar Current Power Supply (20A 20V; 400W max) WA3620BSXAAA
A3630BS A3630BS - Low Voltage Digital Bipolar Current Power Supply (30A 20V; 600W max) WA3630BSXAAA
A3601BS-40-CUST A3601BS Customization - 1A 40V 40W max WPERS0360101
A3605BS-40-CUST A3605BS Customization - 5A 40V 200W max WPERS0360501
A3610BS-40-CUST A3610BS Customization - 10A 40V 400W max WPERS0361001
A3612BS-40-CUST A3612BS Customization - 12A 40V 480W max WPERS0361201
A3620BS-40-CUST A3620BS Customization - 20A 40V 600W max WPERS0362001
A3640 A3640 - SY3634 Bulk Power Supply 40A 1000W (24V) WA3640XAAAAA
A3621 A3621 - SY3634 Bulk Power Supply 21A 1000W (48V) WA3621XAAAAA
EALIM22024AC PWS IN 80-265V OUT 24V 40A FPS 1000-24 EALIM22024AC
EALIM22048AC PWS IN 80-265V OUT 48V 21A FPS 1000-48 EALIM22048AC

Immagine del prodotto

The system houses up to 4 independent current-controlled bipolar power supply modules, ranging from 5A to 30A, in a single 19" - 3U standard crate

High efficiency, low cost, high stability, easiness of configuration and maintenance are the key features of this new power supply (PS) system, especially designed to operate in particle accelerator facilities like Synchrotrons and FELs.
The system houses up to 4 independent current-controlled bipolar power supply modules, ranging from 5A to 30A, in a single 19-inch 3U standard crate (SY3634). Different combinations of modules (chosen among a catalogue including 5A, 10A, 20A or 30A channels) can easily be installed in the same rack.
An auxiliary AC/DC converter module, the A3636, powers the control circuits. Each 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.
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

The digital feedback current control loop makes the SY3634 modules extremely versatile and easy to "tune" to any load condition.

The Control Board is composed by a DSP that performs current control and an FPGA that supervises all processes like communications, diagnostic operations and interlocks handling.
Remote communication is guaranteed by means of an Ethernet 10/100 auto-sensing socket present on each module front panel. The PS can also be locally monitored/controlled via an encoder and a graphic color display featuring user-friendly menus.
An external DC bulk power supply feeds the PB power section and its ancillary parts. Cooling is performed by embedded fans, directly controlled by an output current-related hysteretic algorithm.

Immagine del prodotto

A crate model with terminal connections - i.e. SY3634T - and an eXtended version rated at 40V output voltage are NOW available.

A different crate - i.e. SY3634T - with terminal output connectors and the AC mains ON/OFF switch is also available.

An EXTENDED voltage output version is available for the A3605BS, A3610BS and A3612BS modules. The output voltage range for these modules is rated at 40V and must be requested as an option.

The included free VISUAL software allows easily remote controlling the main features of A36xxBS modules using an intuitive Graphic User Interface (GUI).

  • Digital feedback current control loop
  • Graphic color display and encoder on each channel for local control and monitoring
  • High efficiency
  • True bipolar zero-crossing operation
  • Ethernet connectivity
  • 8 independent external interlocks user-selectable
  • On-module speed-regulated fans
  • Internal temperature monitoring circuits
  • New SY3634T version with output terminal connections

Documentation Software/Firmware
SY3634 - User's Manual Last update: 2015-04-29 21:52:23

SY3634 - Troubleshooting Guide Last update: 2015-04-29 21:53:27

Visual SY3634 Control Software - Installer (1.2) Last update: 2015-04-29 22:10:55
11.04 MB
Note: Control Software for Power Supplies

A36xxBS - DSP Firmware (1.2) Last update: 2015-05-03 17:12:38
0.01 MB

A36xxBS - FPGA Firmware (2.1) Last update: 2015-05-03 17:14:39
0.1 MB

A36xxBS - EXtended FPGA Firmware (2.1) Last update: 2015-05-03 17:15:03
0.1 MB

A3601BS - FPGA Firmware (2.1) Last update: 2015-05-03 17:15:19
0.1 MB

A3612BS - FPGA Firmware (2.1) Last update: 2015-05-03 17:15:40
0.1 MB

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