Caen ELS PS1215 Bedienungsanleitung
PS1215
Single Output - Dual Voltage
Low Noise Power Supply
User’s Manual
All Rights Reserved
© CAEN ELS s.r.l.
Rev. 1.5 –November 2022
LOW-NOISE FIXED VOLTAGE AC/DC
PS1215 User’s Manual
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CAEN ELS s.r.l.
Via Vetraia, 11
55049 Viareggio (LU) –Italy
Mail: [email protected]
Web: www.caenels.com
PS1215 User’s Manual
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Table Of Contents
1. INTRODUCTION................................................................................................8
1.1 THE PS1215 POWER SUPPLY ..........................................................................8
1.2 THE PS1215 AT A GLANCE .............................................................................9
1.3 TECHNICAL DATA.........................................................................................10
2. SAFETY..............................................................................................................11
2.1 INJURY PRECAUTIONS...................................................................................11
2.2 CAUTION.......................................................................................................11
2.3 INPUT RATINGS.............................................................................................12
2.4 LIVE CIRCUITS ..............................................................................................12
2.5 PART REPLACEMENT AND MODIFICATIONS ..................................................12
3. I/O CONNECTORS...........................................................................................13
3.1 AC LINE INPUT CONNECTOR ........................................................................13
3.2 OUTPUT ........................................................................................................14
3.3 STATUS LED.................................................................................................16
3.4 FIXING ..........................................................................................................17
3.5 MOUNTING POSITION ....................................................................................17
4. TECHNICAL SPECIFICATIONS ..................................................................19
5. MECHANICAL DIMENSIONS.......................................................................20
6. OUTPUT CURRENT DERATING..................................................................21
7. ORDERING CODES.........................................................................................22
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Document Revisions
Document Revision
Date
Comment
1.0
October 24th 2014
First Release
1.1
October 29th 2014
Manual graphics changed
1.2
December 2nd 2014
Updated the pin-out of the Output
DC connector to match the names
used in the datasheet
1.3
January 18th 2016
Y-Cable CT-I image and description
changed
1.4
September 11th, 2017
Changed and added values on the
output noise
1.5
November 22nd, 2022
Added UKCA compliance logo
PS1215 User’s Manual
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Safety information - Warnings
CAEN ELS will repair or replace any product within the guarantee period if
the Guarantor declares that the product is defective due to workmanship or materials
and has not been caused by mishandling, negligence on behalf of the User, accident or
any abnormal conditions or operations.
Please read carefully the manual before operating any part of the instrument
WARNING
High voltage inside, do NOT open the boxes
CAEN ELS s.r.l. declines all responsibility for damages or injuries caused
by an improper use of the Modules due to negligence on behalf of the User. It is
strongly recommended to read thoroughly this User's Manual before any kind of
operation.
CAEN ELS s.r.l. reserves the right to change partially or entirely the contents of this
Manual at any time and without giving any notice.
Disposal of the Product
The product must never be dumped in the Municipal Waste. Please check your local
regulations for disposal of electronics products.
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Read over the instruction manual carefully before using the instrument.
The following precautions should be strictly observed before using the PS1215:
WARNING
•Do not use this product in any manner not
specified by the manufacturer. The protective
features of this product may be impaired if it is
used in a manner not specified in this manual.
•Do not use the device if it is damaged. Before
you use the device, inspect the instrument for
possible cracks or breaks before each use.
•Do not operate the device around explosives gas,
vapor or dust.
•Always use the device with the cables provided.
•Turn off the device before establishing any
connection.
•Do not operate the device with the cover
removed or loosened.
•Do not install substitute parts or perform any
unauthorized modification to the product.
•Return the product to the manufacturer for
service and repair to ensure that safety features
are maintained
CAUTION
•This device is designed for indoor use and in
area with low condensation.
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The following table shows the general environmental requirements for a correct
operation of the instrument:
Environmental Conditions
Requirements
Operating Temperature
0°C to 50°C
Operating Humidity
30% to 85% RH (non-condensing)
Storage Temperature
-10°C to 60°C
Storage Humidity
5% to 90% RH (non-condensing)
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1.Introduction
This chapter describes the general characteristics and main features of the
PS1215 low-noise power supply.
1.1 The PS1215 Power Supply
CAEN ELS PS1215 is a single-output, dual-voltage mixed switching-linear
power supply that is designed in order to obtain low-noise operation and high
efficiency and it is especially suited for DCCT measurement systems where switching
power supplies could corrupt measuring noise, accuracy and precision.
The power supply is housed in a robust and compact stainless steel box that can
be placed next to the supplied device in order to reduce cable lengths and minimize
consequent possible noise pick-up.
These power supplies are particularly designed for operation with the following
CAEN ELS DC Current Transducers (DCCT):
•CT-100-C, CT-100V-C
•CT-150-C, CT-150V-C
•CT-200, CT-200V
•CT-300, CT-300V
•CT-400, CT-400V
•CT-600, CT-600V
•CT-1000, CT-1000V
All the above cited devices, combined with a PS1215 low-noise voltage power
supply, guarantee their rated specifications.
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1.2 The PS1215 at a Glance
The PS1215 linear power supply and its I/Os are represented in Figure 1:
Figure 1: overall view of a PS1215 power supply
The PS1215 is an isolated bipolar power supply, with a 3-pole output
connector, specifically designed to supply DC Current Transducers (DCCT).
The AC Power Line input is placed on the left side of the box while the output
connectors on the right side; LED monitors (indicating the presence of positive and
negative voltage) are placed on the front side.
The PS1215 has a balanced bipolar output voltage, as indicated in the
following Table 1:
Negative Output
Voltage
Positive Output
Voltage
PS1215
-15 V
+15 V
Table 1: output voltage values
Output DC
AC Line Input
“Power Good”
LEDs monitor
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1.3 Technical Data
The PS1215 power supply has an output voltage accuracy of ±3% on both its
positive and negative outputs.
Maximum peak-to-peak voltage noise measured at the device output terminals
is rated at 4 mV. This value is measured over a 1 MHz bandwidth using a LeCroy
MSO 44MXs-B, 400MHz, 5GS/s with AC Coupling at full load. Typical
measurements of the power spectrum on each output are shown in Figure 2.
Figure 2: typical output noise - AC coupling
+15 V output
BW = 160 kHz
-15 V output
BW = 160 kHz
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