Maxcess MAGPOWR PS-24 Manuale utente

MAGPOWR Model PS-24

24 VDC Power Supply

Instruction Manual

MI 850A302 1 D

MAGPOWR TENSION CONTROL

CONTENTS

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

INTRODUCTION ....................................................................................1-1

About these operating instructions.......................................................................... 1-1

Product overview ..................................................................................................... 1-2

SAFETY INSTRUCTIONS ..........................................................................2-1

Instructions for use.................................................................................................. 2-1

Safety symbols......................................................................................................... 2-1

Symbols used........................................................................................................... 2-2

Basic safety information........................................................................................... 2-3

INSTALLATION ......................................................................................3-1

Enclosure ................................................................................................................. 3-1

Power selection and current range settings ............................................................. 3-2

connections ............................................................................................................. 3-3

MAINTENANCE......................................................................................4-1

TROUBLESHOOTING ..............................................................................5-1

SPECIFICATIONS ....................................................................................6-1

SERVICE AND REPLACEMENT PARTS........................................................7-1

1–1

INTRODUCTION

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

About these

operating

instructions

All of the information herein is the exclusive proprietary

property of Maxcess International, and is disclosed with the

understanding that it will be retained in confidence and will

neither be duplicated nor copied in whole or in part nor be used

for any purpose other than for which disclosed.

Periodically there will be updates to this manual. The latest

version is available at

www.maxcessintl.com

or by calling

405.755.1600.

Language

These are the original instructions, written in English.

1–2

INTRODUCTION

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

Product overview

The MAGPOWR Model PS-24 is a controllable current regulator

for 24 VDC magnetic particle clutches and brakes. The PS-24

also provides a small amount of reverse current to maximize the

torque range of the clutch / brake.

The PS-24 may be powered from either 24 VAC or 24 VDC.

See Section 3-1.

The Model PS-24 has three jumper selectable current ranges.

Maximum outputs for the individual ranges are 0.5, 1.0 and 2.0

ADC. The appropriate range is determined by the current rating

of the clutch or brake to be controlled. For best torque control

resolution, the lowest current range providing sufficient current

for maximum operating torque should be selected. When using

24 VDC input power the maximum current output will be

slightly less than the selected range.

The PS-24 accepts either a remote adjustment potentiometer, or

a 0 to 10 VDC analog control signal. An isolation card is

required when the PS-24 is connected to an external non-

isolated control signal.

Connections are provided for an external 1 mADC current

meter. The meter display will indicate output current as a

percentage of the output range selected.

The control circuits are not electrically isolated from the power

circuits. The control circuit negative is connected to the P.E.

connection, that is, control input circuits are not floating.

2–1

SAFETY INSTRUCTIONS

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

Instructions for

use

To ensure safe and problem free installation of this product, it

must be properly transported and stored, professionally

installed, and placed in operation. Proper operation and

maintenance will ensure a long service life of the device. Only

persons who are acquainted with the installation,

commissioning, operation, and maintenance of the system and

who possess the necessary qualifications for their activities may

work on this product.

Note: The safety information may not be comprehensive.

Please note the following:

The content of these operating instructions

Any safety instructions on the device

The machine manufacturer’s specifications

All national, state, and local requirements for installation,

accident prevention and environmental protection

Safety symbols

Information about

safety instructions

The safety instructions and symbols described in this section

are used in these operating instructions. They are used to avoid

possible dangers for users and to prevent material damage.

SIGNAL WORD

Source of danger and its results

Avoiding dangers

The signal word DANGER refers to the danger of death or

serious bodily injuries.

The signal word WARNING refers to the danger of moderate to

severe bodily injuries.

The signal word CAUTION refers to the danger of slight to

moderate bodily injuries or material damage.

The signal word NOTICE refers to the possibility of damage to

equipment.

2–2

SAFETY INSTRUCTIONS

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

Symbols used

The following safety identification symbols are used in these

operating instructions.

WARNING/CAUTION –General danger or important note

Reference to general hazards that may result in bodily injuries

or damage to device or material.

WARNING/CAUTION –Danger due to voltage, electric shock

Reference to danger of injury caused by electric shock due to

voltage.

WARNING/CAUTION –Danger due to hot surfaces

Reference to risk of fire.

2–3

SAFETY INSTRUCTIONS

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

Basic safety

information

Proper use

The PS-24 is intended to power MAGPOWR brakes or clutches.

Indoor operation: see environmental specifications (Section 6-1).

Improper use

Operation outside the technical specifications

Operation in an Ex-area or intrinsically safe area

Operation as a safety component. The PS-24 does not supply

current to the clutch or brake if the power fails.

Outdoor operation

Any other use than the proper use shall be deemed inappropriate.

Installation and commissioning

Any PS-24 which is damaged must not be installed or put into

operation.

Only perform installation, maintenance or repair tasks on the

PS-24 when the machine has been stopped and is secured from

being turned on.

Only perform installation, maintenance or repair tasks on the PS-24

system when there is no electrical power in the system.

The PS-24 must be securely mounted before being placed in

operation.

Only replacement parts obtained from Fife may be used.

No modifications may be made to the PS-24.

Do not place electrical cables under mechanical strain.

WARNING –Death or injury can result from unexpected movement.

Protect against unexpected movement by removing electrical power

from PS-24 and the machine into which the it is being installed.

Maintenance and repair

WARNING –Death or injury can result from unexpected movement.

Protect against unexpected movement by removing electrical power

from the PS-24 system and the machine into which it is installed.

Decommissioning

The PS-24 must be disposed of in accordance with all the applicable

national, state and local regulations.

3–1

INSTALLATION

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

Installation

The PS-24 is intended for installation on a vertical panel with a DIN

35 rail, with the wiring terminals facing down. Figure 1 shows the

enclosure dimensions.

Wiring to and from the PS-24 must be done with double or

reinforced insulation or protective screening which provides

protective separation. All wiring should comply with the essential

requirements of the appropriate standard(s) and is the

responsibility of the installer.

Route input power away from control signal wiring. Connect shields

of shielded cable to the terminals indicated as “SHIELD”. Maximum

exposed shield length and maximum length of wires outside of the

shield is 75 mm [3.0 inches].

Figure 1. Enclosure dimensions

157.0 mm [6.18 in.]

35.2 mm [1.39 in] 85.9 mm [3.38 in.] M O D E L:

C LU T C H -B R AK E P O W E R S U PP LY

PS-24

C o m pa n y

Inte r na ti o nal

A M a xces s

58.4 mm [2.30 in.]

3–2

INSTALLATION

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

Power selections

and current range

settings

WARNING –Death or injury can result from unexpected movement.

Protect against unexpected movement by removing electrical

power from PS-24 and the equipment into which it is installed.

Remove the enclosure top by inserting a flat blade screwdriver

under the retaining tabs in the base (Figure 2).

Figure 2. Enclosure top removal

Set the J1 input voltage selection jumper to either AC or DC

depending on input voltage type. See Figure 3 for J1 input voltage

type setting. Set the current range selection jumpers to the range

appropriate for the clutch/brake connected to the PS-24 (See

Figure 3 for J2 current range settings). The factory setting is 1/2

amp range. Replace the enclosure top.

Figure 3. J1 input power selection / J2 current range settings

3–3

INSTALLATION

www.maxcessintl.com MAGPOWR PS-24 Power Supply MI 850A302 1 D

Electrical

connections

CAUTION –Never place electrical cables under mechanical strain.

Always provide mechanical support of wiring with either clamps

or flexible or rigid conduit.

There are three connections (Figure 4) required for the basic

system:

24 VAC/VDC power

24 VDC output for clutch / brake

1 kΩto 10 kΩpotentiometer

Route input power away from control wiring. The clutch/brake

wires and the remote meter wires should be twisted pair. Run the

signal input wiring in shielded cable. Connect the shield to the

provided terminal marked “SHIELD”. The maximum shield length

and maximum length of wires outside of the shield is 75 mm

[3.0 inches].

When using a 0 to10 VDC input instead of a potentiometer,

connect the negative of the input to terminal 26 and the positive

of the input to terminal 25. The 0 to 10 VDC signal should be

isolated from PE. If not isolated from PE, EMC performance may be

degraded.

The 0 to 1 mADC output and the potentiometer input negative

lead is ground referenced.

The 24 VDC output must be floating with respect to ground.

When using multiple PS-24 units, each one must have its own

power supply.

Alternate wiring for non-isolated

24 VDC supply. EMC performance may be

degraded. Do not use with AC supply.

Figure 4. Electrical connections for PS-24

REMOTE POTENTIOMETER

1K TO 10K

L1 OUTPUT METER

L2 + -

24V 1mA

POTENTIOMETER

or 0-10V INPUT

SHIELD + -

1 2 3 4 5 6 7 23

AC/DC

24V

-+ 24 25 26

ALLOWED IN

(OPTIONAL)

CLUTCH/

BRAKE

METER

REMOTE

0-1 mA DC

D.C. OUTPUT

24 VAC, 50/60 Hz

SWITCH NOT

24 VDC

ISOLATED

ONLY

1 32

24 VDC

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