Spellman MPD2.5P10/24 Manual de usuario

Installation and User Guide

MPD 2.5kV to 30kV, 10W Range of

High Voltage Power Supply Modules

Document number: 81408-4

Issue

Date

19/01/2021

05/03/2021

Issuing Authority

I-7632

10377P

Checked

Approved

Tel : +44 (0)1798 877000

Fax : +44 (0)1798 872479

e-mail : hvsales@spellmanhv.co.uk

Broomers Park, Broomers Hill Lane

Pulborough, W. Sussex, RH20 2RY

Spellman High Voltage Electronics Limited - Company Confidential

This document must not be copied or distributed without express permission from Spellman High Voltage Electronics Limited

81408-4r2 MPD Series Installation and User Guide

Page 2 of 29

CHANGE HISTORY

Section

Reason for Change

Issue

All

Created from 81408-1

2.2

Updated different cable length ordering

Updated approval wording

Contents

1. Unit Description ..............................................................................................................4

1.1 Ratings................................................................................................................................5

2. Safety..............................................................................................................................6

2.1 Explanation of Symbols.......................................................................................................7

2.2 Applicable standards...........................................................................................................7

3. Installation of the Units....................................................................................................8

3.1 Electrical Installation............................................................................................................8

3.2 Mechanical Installation........................................................................................................8

4. Operation of the Units...................................................................................................10

4.1 Analogue Control...............................................................................................................10

4.2 Digital Control....................................................................................................................14

Appendix 1. Mechanical Outline 2.5kV to 10kV units...........................................................17

Appendix 2. Mechanical Outline 15kV, 20kV units...............................................................18

Appendix 3. Mechanical Outline 30kV units.........................................................................19

Appendix 4. Graphical User Interface (GUI).........................................................................20

Appendix 5. Loading firmware and program Slave Address ................................................27

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81408-4r2 MPD Series Installation and User Guide

Page 3 of 29

SAFETY

DANGER

HIGH VOLTAGE

RISK OF ELECTROCUTION

Observe extreme caution when working with this equipment

High voltage power supplies must always be connected

to a protective earth

Do not touch connections unless equipment is turned

off and the capacitance of both the load and power

supply are grounded

Allow adequate time for discharge of internal

capacitance of the power supply

Do not ground yourself or work under wet or damp

conditions

Servicing Safety

When maintenance of equipment fitted with this power

supply requires removing the equipment cover with the

power on, this should only be done by qualified

personnel aware of the hazards

This power supply has no user serviceable parts.

Return to supplier for servicing

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81408-4r2 MPD Series Installation and User Guide

Page 4 of 29

1. Unit Description

The MPD range of high voltage 2.5kV to 30kV dc-dc converters produce a high performance

dc output for a wide range of instrumentation and analytical applications. The combination of

linear and switch mode power conversion techniques provides low noise and high

efficiency. The unit also offers excellent ripple levels and stability.

The units are designed for operation from a 24V dc input and will supply up to 10W of output

power. The signal and power inputs and outputs are via a 15 way male ‘D’ connector.

The HV output is via a 1m long un-terminated HRG58 screened cable, other lengths up to

5m can be requested, please consult with factory.

The part number for a given unit describes its characteristics:

MPD 15 N 10 / 24 / XXXX

Model type

Max o/p kV

Polarity

Max o/p

power (w)

Input voltage

Options

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81408-4r2 MPD Series Installation and User Guide

Page 5 of 29

1.1 Ratings

The units provide the following rated HV outputs:

Unit

Voltage

Current

MPD2.5P10/24

+2.5kV

4mA

MPD2.5N10/24

-2.5kV

4mA

MPD5P10/24

+5kV

2mA

MPD5N10/24

-5kV

2mA

MPD10P10/24

+10kV

1mA

MPD10N10/24

-10kV

1mA

MPD15P10/24

+15kV

0.67mA

MPD15N10/24

-15kV

0.67mA

MPD20P10/24

+20kV

0.50mA

MPD20N10/24

-20kV

0.50mA

MPD30P10/24

+30kV

0.33mA

MPD30N10/24

-30kV

0.33mA

The input rating for all units is 24Vdc ±2V, 1A

Unit masses:

2.5kV to 10kV units 420g

15kV and 20kV units 650g

30kV units 950g

Environmental conditions:

The operating temperature range is 0°C to +50°C.

Relative humidity rating (RH)% is 20% to 85% (non-condensing).

Altitude 0 to 2000m above mean sea level

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81408-4r2 MPD Series Installation and User Guide

Page 6 of 29

2. Safety

TheHVoutputsoftheunitsarehazardousandtheconditionsofthismanualmustbecomplied

withtomaintain safety. The unit is contained in an earthed case with a screened HV output

cable and the HV output cable must be terminated safely before the unit is operated. This

unit must be sourced with a UL recognised double insulated or SELV 24 V dc supply.

The unit shall be properly bonded to the main protective earthing termination in the end

product.

The unit has been evaluated for use in a Pollution Degree 2, Installation Category II

environment.

Consideration should be given to conducting the following tests with the unit installed in

the end product:

a. Permissible Limits Tests with the unit installed in the end product.

b. Temperatures on any accessible surfaces.

The case performs the function of heat sink and can exceed 60C, therefore access to the

unit shall be prevented during operation.

The protection against electric shock provided by the unit may be impaired if the unit is

not operated in accordance with the instructions in this manual.

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81408-4r2 MPD Series Installation and User Guide

Page 7 of 29

2.1 Explanation of Symbols

This symbol means Caution, consult the manual.

This symbol indicates the Protective Earth (PE) terminal.

This symbol means Caution, hot surface

2.2 Applicable standards

The unit is designed to meet the requirements of EN 61010-1, UL 61010-1 and CAN/CSA-22.2

No. 61010-1. Please consult the factory for further approval information.

This symbol means Caution, risk of electric shock.

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81408-4r2 MPD Series Installation and User Guide

Page 8 of 29

3. Installation of the Units

3.1 Electrical Installation

The units should only be connected to a Category II supply installation.

The power for the unit should be sourced from a UL recognised double insulated or

SELV 24 V dc supply.

The unit shall be properly bonded to the main protective earthing termination in the end

product.

The input and output connectors are not intended for field connections and should only

be connected to internal wiring in the end product.

All external circuits connected to High Voltage outputs shall be Double/Reinforced

insulated from any accessible parts.

The connector details on the standard unit are shown in table 1 overleaf.

3.2 Mechanical Installation

The units are only to be used in a pollution degree 2 (PD 2) environment.

The physical outline of the units is shown in Appendices 1 and 2.

Fixings:

M3 x 0.5 blind inserts, maximum thread depth 5mm.

Note: Failure to comply with the above could compromise the safe operation of the unit

and invalidate the warranty.

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81408-4r2 MPD Series Installation and User Guide

Page 9 of 29

Table 1. Connector pin-out, all units

The control and monitoring signals and supply power are connected via a single 15 way

male ‘D’ connector:

SIGNAL NAME

PARAMETERS

Power Ground

Ground

+24Vdc Input

+24Vdc @ 1 amp maximum

Voltage Monitor Output

0 to 10 Vdc equals 0 to 100% of rated output,

Zout = 10kΩ

Voltage reference output

10V

Voltage Program Input

0 to 10 Vdc equals 0 to 100% of rated output, Zin

= 10MΩ

Voltage Program

Differential Amplifier

Output

0 to 10 Vdc equals 0 to 100% of rated output,

Zout = 10kΩ

Voltage Program

Differential Amplifier Input

Positive

0 to 10 Vdc differential between pin 7 and pin 9

equals 0 to 100% of rated output, diode clamped

to ground, Zin = 38kΩ

Current Monitor Output

0 to 10 Vdc equals 0 to 100% of rated output,

Zout = 10kΩ

Voltage Program

Differential Amplifier Input -

Negative

0 to 10 Vdc differential between pin 7 and pin 9

equals 0 to 100% of rated output, diode clamped

to ground, Zin = 38kΩ

Voltage Program Digital

Output

0 to 10 Vdc equals 0 to 100% of rated output,

Zout = 10kΩ

Analog signal ground

Analog signal ground for control and monitoring

Enable Input

Low = Enable. TTL, CMOS and open collector

compliant

Digital Mode

RS232 or RS485 configuration

Low = RS485

Open circuit = RS232

RS232 TxD/ RS485-

Transmit data (output) wrt pin 1 or

RS485 inverting

RS232 RxD/ RS485+

Receive data (input) wrt pin 1 or

RS485 non inverting

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81408-4r2 MPD Series Installation and User Guide

Page 10 of 29

4. Operation of the Units

The units are operated by either analogue input, using anyof the methods detailed below, or

by digital control using an RS232/485 serial port with a PC connection and a suitable

interface.

4.1 Analogue Control

4.1.1 Control and Monitoring Signals

The units are controlled and monitored using the following analogue signals.

PARAMETER

MIN.

VALUE

MAX.

UNITS

Voltage control: 0 to 10V = 0 to Full scale output V

(i)

-1

Voltage reference output (wrt signal ground)

Enable: Active low enable, input impedance.

Designed to be operated by TTL or CMOS logic or

open collector transistor.

kΩ

Voltage monitor: 0-10V for 0 to full scale output (wrt

signal ground)

-1

Current monitor: 0-10V for 0 to full scale output (wrt

signal ground)

-1

Note:

(i) a stable, low noise reference source is recommended to achieve full unit performance.

The following sections describe the various connections that can be used to control the

MPD HV units.

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