Bosch PM1-LISM6 Manuel utilisateur

Loudspeakers Line Isolator System

PM1-LISM6, PM1-LISS, PM1-LISD

en Installation and Operation Manual

Table of contents

1Safety 5

2About this manual 6

2.1 Manual purpose 6

2.2 Digital document 6

2.3 Intended audience 6

2.4 Alerts and notice signs 6

2.5 Copyright and disclaimer 6

2.6 Document history 7

2.7 Terminology used in this manual 8

3System overview 10

3.1 System compatibility 12

3.2 System description 13

3.3 System behavior 14

4Planning 16

4.1 Delivered with products 16

4.2 System Prerequisites 16

4.2.1 General system requirements 17

4.2.2 Plena VAS system requirements 17

4.2.3 Praesideo system requirements 18

4.2.4 Loudspeaker/system cable requirements 19

4.3 Installation options 20

4.3.1 Installation option 1: One Isolator Board for each loudspeaker 21

4.3.2 Installation option 2: Branch of loudspeakers connected to an Isolator Board 23

4.3.3 Installation option 3: Loudspeakers connected between Isolator Boards 25

4.3.4 Combining installation options 27

5Installation 28

5.1 Install Master Unit in 19-inch rack 29

5.2 Install an Isolator Board or DC Blocking Board in a housing 29

5.3 Install an Isolator Board or DC Blocking Board in a loudspeaker 30

5.4 Install a DC blocking capacitor in a loudspeaker 30

5.5 Install an end-of-line resistor in a loudspeaker 30

6Connections indicators and controls 31

6.1 Master Unit 32

6.2 Isolator Board 36

6.3 DC Blocking Board 38

6.4 Connect and test loudspeaker loop 39

7Configuration 41

7.1 Master Unit settings 41

7.1.1 Voltage/ground selection 41

7.1.2 DIP switch settings 41

7.2 Isolator Board settings 43

8Operation 45

8.1 Master Unit (front panel) 45

8.2 Master Unit (rear view) 47

8.3 Commissioning 48

8.4 Walk Test 48

Loudspeakers Line Isolator System Table of Contents | en 3

Bosch Security Systems B.V. Installation and Operation Manual 2014.03 | V1.1 |

9Troubleshooting 49

9.1 Troubleshooting table 49

10 Maintenance 53

10.1 Clean the air inlets 53

10.2 Check the connectors and grounding 53

10.3 Perform a Walk Test 53

11 Technical data 54

11.1 Master Unit 54

11.2 Isolator Board 57

11.3 End of line resistor 57

11.4 DC Blocking Board 58

11.5 Approvals 58

11.6 Compliance 58

4en | Table of Contents Loudspeakers Line Isolator System

2014.03 | V1.1 | Installation and Operation Manual Bosch Security Systems B.V.

Safety

Prior to installing or operating products, always read the Important Safety Instructions which

are available as a separate multilingual document: Important Safety Instructions (Safety_ML).

These instructions are supplied together with all equipment that can be connected to the

mains supply.

Old electrical and electronic appliances

Electrical or electronic devices that are no longer serviceable must be collected separately and

sent for environmentally compatible recycling (in accordance with the European Waste

Electrical and Electronic Equipment Directive).

To dispose of old electrical or electronic devices, you should use the return and collection

systems put in place in the country concerned.

Loudspeakers Line Isolator System Safety | en 5

Bosch Security Systems B.V. Installation and Operation Manual 2014.03 | V1.1 |

About this manual

– Please read this manual carefully before installing and operating any of the products of

the Loudspeakers Line Isolator System and the public address/voice alarm system.

– Retain all documentation supplied with the products for future reference.

Manual purpose

This manual provides information required for installing, configuring, operating, and

maintaining the hardware products of the Loudspeakers Line Isolator System. For

documentation updates, refer to the product related information on the

www.boschsecurity.com website.

Digital document

This manual is available as a digital document in the Adobe Portable Document Format (PDF).

Refer to the product related information at: www.boschsecurity.com.

Intended audience

This manual is intended for installers and users of a Loudspeakers Line Isolator System.

Alerts and notice signs

Four types of signs can be used in this manual. The type is closely related to the effect that

may be caused if it is not observed. These signs - from least severe effect to most severe

effect - are:

Notice!

Containing additional information. Usually, not observing a ‘notice’ does not result in damage

to the equipment or personal injuries.

Caution!

The equipment or the property can be damaged, or persons can be lightly injured if the alert

is not observed.

Warning!

The equipment or the property can be seriously damaged, or persons can be severely injured

if the alert is not observed.

Danger!

Not observing the alert can lead to severe injuries or death.

any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior

written permission of the publisher. For information on getting permission for reprints and

excerpts, contact Bosch Security Systems B.V..

The content and illustrations are subject to change without prior notice.

2.1

2.2

2.3

2.4

2.5

6en | About this manual Loudspeakers Line Isolator System

2014.03 | V1.1 | Installation and Operation Manual Bosch Security Systems B.V.

Document history

Release date Documentation version Reason

2014.03.10 V1.0 – 1st Edition.

2014.03.20 V1.1 – Section 2.7, new terms added.

– Section 4.2.3, resistor value changed.

– Section 4.2.4, minor update.

– Section 7.1.2, minor update.

– Section 7.2, resistor value changed.

– Section 11.1, minor update.

– Section 11.2, minor update.

– Section 11.5, minor update.

2.6

Loudspeakers Line Isolator System About this manual | en 7

Bosch Security Systems B.V. Installation and Operation Manual 2014.03 | V1.1 |

Terminology used in this manual

Term Definition

Approved See certified.

Branch Loudspeaker line between an Isolator Board tap-off and the last

loudspeaker connected to the tap-off.

Certified Means designed and built to conform (compliant) to the stated

standard or guideline, and additionally tested and certified by an

accredited notified body.

Compliant In the framework of this manual, means designed and built to

conform (compliant) to the stated standard or guideline.

Fault isolation time The time required by the Isolator Boards to isolate a fault. This

includes the time required to restore audio to the non-affected

parts of the loudspeaker line after detection of a fault. In the

Loudspeakers Line Isolator System this time is always less than

4 seconds.

Fault recovery time The time required by the Loudspeakers Line Isolator System to

return to the normal OK state after a detected fault has been

corrected (< 100 s).

Fault reporting The loop fault indication LED lights up, and the corresponding loop

fault and general relay go to the NOK state on the Master Unit

(< 90 s).

Fault reporting time The time required by the Loudspeakers Line Isolator System to

report a fault (i.e. time required to go to the fault warning

condition).

Initialization The first state that the Loudspeakers Line Isolator System goes to

after system start up. The system takes a maximum of 10 seconds

to initialize the loop.

Loop Redundant loudspeaker line. All loudspeakers broadcast the same

signal. A loop has a dedicated input signal from the zone output of

the public address/voice alarm system at loudspeaker level. Some

standards limit the number of alarm zones in a loop (e.g. a limit of

25 loudspeakers if each zone has one loudspeaker).

Loop recheck While the Loudspeakers Line Isolator System is in a fault condition,

regular rechecks are performed to check the condition of the loop.

Loudspeaker line The loudspeaker line between the Master Unit (loop out and loop

return) and the loudspeakers, including the line to the

loudspeakers on the tap-off.

Loudspeaker Line

Isolator System Master

(PM1-LISM6)

Referred to in this manual as “Master Unit” - main product of the

Loudspeakers Line Isolator System.

2.7

8en | About this manual Loudspeakers Line Isolator System

2014.03 | V1.1 | Installation and Operation Manual Bosch Security Systems B.V.

Term Definition

Loudspeaker Line

Isolator with Housing

(PM1-LISS)

Referred to in this manual as “Isolator Board” - detects and isolates

line and loudspeaker faults.

Loudspeaker DC

Blocking Board (PM1-

LISD)

Referred to in this manual as “DC Blocking Board” - circuit board

that has the same connections as the Isolator Board, which allows

for quick and convenient connection of the loudspeaker loop and

tap-off connections.

Segment The wire and/or group of loudspeakers between two Isolator

Boards and between the Master Unit and an Isolator Board.

Voice alarm zone Geographical part of an evacuation zone in which an evacuation

alarm is carried out. Alarm zones are defined per installation.

Walk Test Test mode for checking the loop by feeding the power and signal

from one side of the loop only.

Zone An area where the same signal is broadcast that can be separately

addressed by the public address system.

Loudspeakers Line Isolator System About this manual | en 9

Bosch Security Systems B.V. Installation and Operation Manual 2014.03 | V1.1 |

System overview

The Loudspeakers Line Isolator System is the cost‑efficient solution for preventing loss of

audio function in public address and voice alarm systems as a result of loudspeaker line faults.

It largely eliminates the need for expensive E30 cabling by making use of the so‑called loop

wiring method. The system is fully supervised and is perfectly suited for use in commercial

premises, such as office buildings and hotels.

Typical applications include:

– Public address systems that cover large zones: more than 25 loudspeakers per zone.

– Voice alarm: locations that have several rooms in the same fire zone.

The Loudspeakers Line Isolator System consists of the following products:

PM1‑LISM6 - Loudspeaker Line Isolator System Master

Referred to in this manual as Master Unit:

The Master Unit is the main component of the Loudspeakers Line Isolator System. The zone

outputs of the public address/voice alarm system are connected to the Master Unit. Each

Master Unit has connections for six loudspeaker loops. Each loudspeaker loop can manage

500 watts. A maximum of 50 Isolator Boards can be installed in each loudspeaker loop.

The front panel on the Master Unit has LEDs to indicate:

– The status of each loop.

– The status of the mains and back-up battery power supplies.

All fault indicators on the front panel are linked to fault relays on the rear panel.

PM1‑LISS - Loudspeaker Line Isolator with Housing

Referred to in this manual as Isolator Board:

The Isolator Board has two 100 volt audio connectors for connecting to both sides of the

loudspeaker loop and a third 100 volt audio connector for creating a tap-off for one or more

loudspeakers. Jumper settings are provided to set the permissible loudspeaker power level

(10, 36, 100 watt, or 10 watt with 20 kHz pilot tone filter), and other supervision settings.

10 en | System overview Loudspeakers Line Isolator System

2014.03 | V1.1 | Installation and Operation Manual Bosch Security Systems B.V.

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