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SY127 Multichannel System - SY127
40 Channel High Voltage System Obsolete product OPC Active HV HS CAENET 

Highlights
  • 19” x 4EU Mainframe
  • 850 W maximum power
  • Up to 10 boards (40 channels) in a single mainframe
  • HV Positive and negative polarity boards freely mixable
  • Local control via on-board alphanumeric keypad and display
  • Remote control via either RS232C port or HS CAENET
  • Up to 100 mainframes controllable from a single point
  • Non-volatile memory of high voltage values and all operational parameters
  • Under- and over-voltage alert and overcurrent protection for each channel
  • Password protected access
Products
Power Supplies
SY127 Multichannel System
SY127 - 40 Channel High Voltage System
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The SY127 is a High Voltage System featuring modularity and high flexibility. The System has been designed to power a wide range of detectors and is suitable for both major experiments and for the laboratory tests.
It consists of one Std. 19" Euro Crate that houses a Control Unit on the front side, and ten slots for HV plug-in Channels (Model A 300 - A 400 - A 600) on the rear side.
The SY 127 features a powerful software with a friendly User interface, together with sophisticated overvoltage and overcurrent protections.
The SY127 can be locally monitored and controlled via on-board alpha-numeric keypad and display. Remote control is possible via RS232C port and HIGH SPEED CAENET (with either PCI card Mod. A1303, or VME board Mod. V288). Thanks to the communication controller Mod. A128HS, it is possible to upgrade older systems, previously controlled via HV CAENET, to HS CAENET (please check with CAEN firmware compatibility of older SY127 systems).



Size 4 Eurocard units and 19" wide
Shipping weight (full load) 35 Kg + packaging
Power supply 220 V/ 50 Hz - 115 Vl 60 Hz (switch selectable)
Maximum power dissipation 850 W
Humidity range 0 - 90 %
Operating temperature 0 - 45 °C
No. of Mainframes/System Max. 100, daisy-chained
No. of HV Modules/Mainframe 10 slots per crate; POS and NEG HV modules can be intermixed in the same crate
No. of HV Channels/Mainframe Max. 40 (4 ch x 10 modules)
Local Control access A 16-key keyboard and a 14 character alphanumeric LED display
Remote Control access RS232C, CAMAC, VME, PC, G64
Remote/Local controllable parameters Voltage (2 ranges), Current (2 ranges), Ramp-up, Ramp-down, Trip-off
Remote/Local monitored parameters Voltage, Current, channel status
Alarm On TRIP, OVV, UNV conditions
Restart at Power-on Automatic restart after power-on or reset
HV enable Front panel switch for HV Enable/Disable
Reset input Front panel LEMO input for NIM signal
Manual reset Front panel switch
KILL input Front panel LEMO input for NIM signal
Interlock Simultaneous programmable High or Low switching-off of all channels
Password protection Password control for parameter setting
DAC 12 bit
ADC 12 bit
EEPROM Non-volatile memory for all parameters
Output Voltage Temp Max. 0.005% °C
HV long term stability ± 2V ±1 LSB

Description Last Update
sy127_rev0.pdf
Precautions_for_Handling_Storage.pdf 04.01.2008

Code Description
WSY127CHASSY SY127HS - 40 Channel High Voltage System HS CAENETMainframe 
WSY127A128YY A128HS - SY127 H.S.CAENET Communication Controller 

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