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PISA-B-812-B1 Installation Manual
PISA-B-812-B1 Installationsanleitung
PISA-B-812-B1 Manuel d'installation
PISA-B-812-B1 Manual de instalación
PISA-B-812-B1 Manuale di Installazione
PISA-B-812-B1 Manual de instalação

Electronic Fuse Module 24V, 2x 1-12A, 6x 1-10A
Elektronisches Sicherungsmodul 24V, 2x 1-12A, 6x 1-10A
Module de protection électronique 24V, 2x 1-12A, 6x 1-10A
Módulo de fusible electrónico 24V, 2x 1-12A, 6x 1-10A
Modulo protezione elettronica 24V, 2x 1-12A, 6x 1-10A
Módulo de fusível eletrónico 24V, 2x 1-12A, 6x 1-10A

Doc. ID: PU-432.015.00-xxE (MR1: 2021-02-03)

Read this first!

English

Before operating this device, please read this manual thoroughly and retain this manual for
future reference! This device may only be installed and put into operation by qualified
personnel. If damage or malfunction should occur during operation, immediately turn power
off and send device to the factory for inspection. The device does not contain serviceableparts. The information presented in this document is believed to be accurate and reliable andmay change without notice. For any clarifications the English translation will be used.

WARNING-

Vor Inbetriebnahme lesen!

-

A lire avant mise sous tension!

Français

Veuillez lire ces instructions de montage et d'entretien avant de mettre l'alimentation soustension. Conservez ce manuel qui vous sera toujours utile. Cette alimentation ne doit êtreinstallée que par du personnel qualifié et compétent. En cas de dommage ou
dysfonctionnement, coupez immédiatement la tension d’alimentation et retournez l’appareil àl’usine pour vérification. ! L’alimentation ne contient pas de pièces échangeables Les
données indiquées dans ce document servent uniquement à donner une description duproduit et n'ont aucune valeur juridique. En cas de divergences, le texte anglais fait foi.
Prendre en compte les points suivants, afind'éviter toute détérioration électrique, incendie,
dommage aux personnes ou mort:
Mettre l’alimentation hors tension avant toute intervention sur celle-ci et s'assurer qu'il n'ya pas risque de redémarrage.
Ne pas ouvrir, modifier ou réparer l'alimentation.
Veiller à ce qu'aucun objet ne rentre en contact avec l'intérieur de l'alimentation(trombones, pièces métalliques).
Ne pas faire fonctionner l'appareil dans un environnement humide ou dans unenvironnement où il peut y avoir de la condensation.
Ne pas toucher le carter pendant le fonctionnement ou directement après la mise horstension. Surface chaude risquant d’entraîner des blessures.

Lea primero!

-

Leggere prima questa parte!

Italiano

Español

Conserve este manual como referencia para futuras consultas. La fuente de alimentación solo
puede ser instalada y puesta en funcionamiento por personal cualificado. Por favor lea
detenidamente este manual antes de conectar la fuente de alimentación. Si se produce un fallo
o mal funcionamiento durante la operación, desconecte inmediatamente la tensión dealimentación. En ambos casos, el equipo debe ser inspeccionado en fábrica. La información
presentada en este documento es exacta y fiable en cuanto a la descripción del producto ypuede cambiar sin aviso. En casa de duda, prevalece el texto inglés.

ADVERTENCIA

AVERTISSEMENT-

Missachtung nachfolgender Punkte kann einen elektrischen
Schlag, Brände, schwere Unfälle oder Tod zur Folge haben:
Schalten Sie die Eingangsspannung vor Installations-, Wartungs- oder Änderungsarbeiten
ab und sichern Sie diese gegen unbeabsichtigtes Wiedereinschalten.
Führen Sie keine Änderungen oder Reparaturversuche am Gerät durch. Gerät nicht öffnen!
Verhindern Sie das Eindringen von Fremdkörpern, wie z.B. Büroklammern und Metallteilen.
Betreiben Sie das Gerät nicht in feuchter Umgebung oder in einer Umgebung, bei der mit
Betauung oder Kondensation zu rechnen ist.
Gehäuse nicht während des Betriebes oder kurz nach dem Abschalten berühren. Heiße
Oberflächen können Verletzungen verursachen.

WARNUNG

Risk of electrical shock, fire, personal injury, or death:

Turn power off before working on the device. Protect against inadvertent re-powering.
Do not open, modify or repair the device.
Use caution to prevent any foreign objects from entering the housing.
Do not use in wet locations or in areas where moisture or condensation can be expected.
Do not touch during power-on and immediately after power-off. Hot surfaces may causeburns.

DeutschBitte lesen Sie diese Warnungen und Hinweise sorgfältig durch, bevor Sie das Gerät in Betrieb
nehmen. Bewahren Sie die Anleitung zum Nachlesen auf. Das Gerät darf nur durch
fachkundiges und qualifiziertes Personal installiert werden. Bei Funktionsstörungen oderBeschädigungen schalten Sie sofort die Versorgungsspannung ab und senden das Gerät zurÜberprüfung ins Werk. Das Gerät beinhaltet keine Servicebauteile. Die angegebenen Daten
dienen allein der Produktbeschreibung und sind nicht als zugesicherte Eigenschaften im
Rechtssinne aufzufassen. Im Zweifelsfall gilt der englische Text.

-

Riesgo de descarga eléctrica, incendio, accidente
grave o muerte:

Desconectar la tensión de red antes de trabajar en la fuente de alimentación. Evite una
posible reconexión involuntaria.
No realizar ninguna modificación o reparación de la unidad. No abrir la unidad.
Evitar la introducción en la carcasa de objetos extraños.
No usar el equipo en ambientes húmedos. No operar el equipo en ambientes donde seespere la formación de rocío o condensación.
No tocar durante el funcionamiento ni inmediatamente después del apagado. El calor de lasuperficie puede causar quemaduras graves.

Leia primeiro!

Portuguès

Prima di collegare il sistema di alimentazione elettrica si prega di leggere attentamente leseguenti avvertenze. Conservare le istruzioni per la consultazione futura. Il sistema dialimentazione elettrica deve essere installato solo da personale competente e qualificato. Se
durante il funzionamento si verificano anomalie o guasti, scollegare immediatamente latensione di alimentazione. In entrambi i casi è necessario far controllare l'apparecchio dal
produttore! I dati sono indicati solo a scopo descrittivo del prodotto e non vanno consideraticome caratteristiche garantite dell'apparecchio. In caso di differenze o problemi è valido iltesto inglese

Recomendamos a leitura cuidadosa das seguintes advertências e observações, antes decolocar em funcionamento a fonte de alimentação. Guarde as Instruções para futura consulta,
em casos de dúvida. A fonte de alimentação deverá ser instalada apenas por profissionais daárea, tecnicamente qualificados. Se por acaso, durante a utilização ocorrer algum defeito de
funcionamento ou dano, desligue imediatamente a tensão de alimentação. Em ambos os casos,será necessária uma verificação na Fábrica! Os dados mencionados têm como finalidade
somente a descrição do produto, e não devem ser interpretados como propriedades garantidas
no sentido jurídico. Em caso de duvidas aplica-se o texto em inglês.

Il mancato rispetto delle seguenti norme può
provocare folgorazione elettrica, incendi, gravi
incidenti e perfino la morte:
Prima di eseguire interventi di installazione, di manutenzione o di modifica scollegare latensione di rete ed adottare tutti i provvedimenti necessari per impedirne il ricollegamento
non intenzionale.
Non tentare di aprire, di modificare o di riparare da soli l'apparecchio.
Impedire la penetrazione di corpi estranei nell'apparecchio, ad esempio fermagli o altri
oggetti metallici.
Non far funzionare l'apparecchio in un ambiente umido. Non far funzionare l'apparecchio
in un ambiente soggetto alla formazione di condensa o di rugiada.
Non toccare quando acceso e subito dopo lo spegnimento. La superficie calda può
causare scottature.

A não observância ou o incumprimento dos pontos a seguir
mencionados, poderá causar uma descarga elétrica, incêndios,acidentes graves ou morte:
Antes de trabalhos de instalação, manutenção ou modificação, desligue a tensão dealimentação, protegendo-a contra uma nova ligação involuntária.
Não efectue nenhuma modificação ou tentativa de reparação no aparelho. Quando
necessário contacte o seu distribuidor. Não abra o aparelho.
Proteger a fonte de alimentação contra a introdução inadvertida de corpos metálicos, comopor ex., clipes ou outras peças de metal.
Não usar o aparelho em ambientes húmidos. Não usar o aparelho em ambientes propensos
a condensações.
Não tocar enquanto estiver em funcionamento, nem após a desligar. A superficie poderá
estar quente e provocar lesões.

AVVERTENZA--ATENÇÃO

-Headquarters: PULS GmbH, Elektrastr. 6, 81925 Munich, Germany, www.pulspower.com
Germany +49 89 9278 0
China+86 512 62881820

France+33 478 668 941
Austria+43 2764 3213
Switzerland+41 56 450 18 10
North America +1 630 587 9780
Singapore+65 6684 2310
United Kingdom +44 1525 841001
The information in this document is believed to be accurate and reliable and may change without notice.

EN

PISA-B-812-B1 Installation Manual

Product Description
The PISA-B-812-B1 is a DIN-rail mountable eight channel protection module with integrated electronic
fuses for 24V systems.

Intended Use
This device is designed for installation in an enclosure and is intended for commercial use, such as inindustrial control, process control, monitoring and measurement equipment or the like.
The device is suitable for indoor applications. Outdoor applications are also allowed as long as all
requirements specified in this manual (enclosure, controlled environment, condensation, ...) are met.
Do not use this device in equipment, where malfunctioning may cause severe personal injury or
threaten human life without additional appropriate safety devices, that are suited for the endapplication.
If this device is used in a manner outside of its specification, the protection provided by the device may
be impaired.

Installation Instructions
Install the device in an enclosure providing protection against electrical, mechanical and fire hazards.
Install the device onto a DIN-rail according to EN 60715 with the input terminals on top of the unit.
Up to eight devices can be connected via two bus bars, where only the first device is connected to thepower supply. The bus bars must be long enough to make a connection to all contacts of the devices.
Use an appropriately sized 24V power supply, which can deliver the peak current required to trip theload channels. If peak currents are too low, the supply voltage for the protection module can no longer
be maintained, which results in a malfunctioning of the protection module.
Make sure that the wiring is correct by following all local and national codes. Use appropriate copper
cables that are designed for a minimum operating temperature of 60°C for ambient temperatures up to+45°C, 75°C for ambient temperatures up to +60°C and 90°C for ambient temperatures up to +70°C.
Ensure that all strands of a stranded wire enter the terminal connection.
The device is designed for pollution degree 2 areas in controlled environments. No condensation or
frost is allowed.
The enclosure of the device provides a degree of ingress protection of IP20. The housing does notprovide protection against spilled liquids.
The isolation of the devices is designed to withstand impulse voltages up to 1.5kV according to IEC
60664-1.
The input can be powered from a regulated power supply or a similar DC source.
The input must be powered from a PELV or SELV source in order to maintain a SELV or PELV output.
Check for correct input polarity. The device will not operate when the voltage is reversed.
A disconnecting means shall be provided for the input of the device.
The device is designed as “Class of Protection III” equipment according to IEC 61140.
The device is designed for convection cooling and does not require an external fan. Do not obstruct
airflow and do not cover ventilation grid!
Keep the following minimum installation clearances: 40mm on top, 20mm on the bottom, 5mm left andright side. Increase the 5mm to 15mm in case the adjacent device is a heat source. Between multiple
PISA-B modules, no clearance is needed.
The device is designed for altitudes up to 5000m (16 400ft).
The maximum surrounding air temperature is +70°C (+158°F). The operational temperature is thesame as the ambient or surrounding air temperature and is defined 2cm below the device.
The device is designed to operate in areas between 5% and 95% relative humidity.

Functional Description
The output can supply any kind of loads, including inductive and capacitive loads. The maximum sizeof capacitive loads is specified in the “Technical Data” table. Larger load capacitors might result in an
unintended turn-off of the channel.
Do not load the individual channels with higher average currents depending on the ambient
temperature, as specified in the derating table of this document.
Do not apply return voltages from the load to the output terminals higher than 30V.
Do not parallel outputs for higher output currents.
Do not connect outputs in a series connection for higher output voltages.
Do not connect batteries for charging purposes to the output of the device.
Output channels can be switched on and off separately by pushing the corresponding control button
for longer than 50ms. A switched off channel is displayed with the uppermost red LED of the LED bargraph.
If the sum output currents is larger than 40A the unit turns off the output channels one after anotheruntil the sum current is below 40A.
The device is equipped with an alarm contact. The contact closes as soon as one output channel has
switched off (common signalling) or the input voltage is lower than 19Vdc. Contact ratings: max.
30Vdc 1A, 30Vac 0.5A, resistive load, min. current 1mA.
The tripping current can be set individually for all channels.
The tripping characteristic can be set as a common parameter for all channels.
Tripping currents and characteristic setting can be protected against changes with a PIN code. To lockthe settings push the SET and channel control button 1 until the unit shows a moving text “PIN TO
LOCK”. Enter a 4-digit PIN by pushing any combination of channel control buttons 1-8. Push the SET
button to save the PIN, the unit shows a moving text “LOCKED”.
To unlock settings push the SET and channel control button 1, the unit shows a moving text “PIN TO
UNLOCK” and enter the 4-digit PIN you selected and confirm it by pushing the SET button.

Technical Data
All values are typical figures specified at 24Vdc input voltage, 8x 5A output
currents, 25°C ambient temperature and after a 5 minutes run-in time
unless otherwise noted.
Input voltage
DC 24V-20%/+25%
Required input voltage for 19.6Vdc
turning-on of outputs
Input current
40A
Internal consumption
40mA
Nominal output current
Adjustable
1/2/3/4/6/8/10/12A For CH1 and CH2
1/2/3/4/6/8/10A
For CH3-CH8
Sum current all channels
40A
Below +60°C ambient
30A
At +70°C ambient
Derate linearly between +60°C and +70°C
Current limitation
CH1-CH2
200%
For 1A setting
150%
For 2 - 8A settings
130%
For 10 - 12A settings
CH3-CH8
50A
Tripping characteristics
Slow or fast
Selectable
Tripping delay
CH1-CH2
2ms – 2s
At short circuit
CH3-CH8<10ms
At short circuit
CH1-CH8
1.1s
For slow tripping setting
at 1.5x nominal current
CH1-CH8
0.22s
For fast tripping setting
at 1.5x nominal current
Max load capacitance capability
CH1-CH2
100mF
Per channel
CH3-CH8
20mF
Per channel
Voltage drop per channel
CH1-CH2
125mV
For 10A load
CH3-CH8165mVFor 10A load
Standby losses
1W
Power losses
10.8W
At 8x 5A load current
Temperature range-25°C to 70°C
Max. wire size (litz wire)
16mm²
For input terminals
Max. wire size with ferrules 10mm²
For input terminals
Wire size AWG
AWG 20-4
For input terminals
Maximum wire diameter
6.1mm
For input terminals
Wire stripping length
19mm/ 0.75inch
For input terminals
Max. wire size (litz wire)
2.5mm²For output terminals
Max. wire size with ferrules 1.5mm²
For output terminals
Wire size AWG
AWG 24-12
For output terminals
Maximum wire diameter
2.3mm
For output terminals
Wire stripping length
10mm / 0.4inch
For output terminals
Max. wire size (litz wire)
2.5mm²For signal terminals
Max. wire size with ferrules 1.5mm²
For signal terminals
Wire size AWG
AWG 24-12
For signal terminals
Maximum wire diameter
2.3mm
For signal terminals
Wire stripping length
10mm / 0.4inch
For signal terminals
Size (w x h x d)
52x124x130mm
Without DIN-rail
Weight370g/0.82lb

Functional Diagram
Power Busbar-+

LED Matrix
Display+
Input

Master Switch(Fail-safe)

Channel Switch,
Current Sense+

Channel Switch,
Current Sense+

Channel Switch,
Current Sense+-

SET Button
Control
Button Ch 1
Control
Button Ch 2

11

Ch 2

Controller

Control
Button Ch 8
Reset
Input

-

Ch 1

+

12

13
Alarm
Contact 14

Alarm

-

Ch 8

Wiring Scheme
Power
SupplyPISA-B
Fuse
Module24V, +
max.
40A -

+

Ch 1 +

Ch 2 +
-

Load
1
Load
2

PISA-B
Fuse
Module+Ch 1 +

Ch 2 +
-

Load
9
Load
10

-

Power
Busbar+-

Ch 8 +

-

Load
8

Power
Busbar+-

Ch 8 +

-

Load
16

EN

PISA-B-812-B1 Installation Manual

The LED matrix display shows information about measurement, set parameters and errors andcontains two modes. To switch between the two modes, the measurement mode and the parametermode, push the SET button and the channel control button 4.
Measurement Mode
The “%” scale on the left side of the LED Matrix is used in this mode, which is also indicated by thetriangular LED below the LED matrix display. In this mode the actual current values are shown and the
LED matrix display also shows, if a channel has switched off due to a too high current or on purpose.
- One or more green/yellow LEDs are on: These LEDs indicate the actual channel current in percentof the set value. Peak values are stored in a peak detector and are additionally shown with one
LED for a short period of time.
- Uppermost LED is red: This indicates a switched off channel. To switch the channel back on, thecorresponding channel control button must be pressed for at least 50ms. A further push switches
the channel off again.
- Uppermost LED is single flashing in red (2Hz): This indicates that a channel has switched off due totoo high current. A restart can be done either by a button on the unit or by a control signal.
Therefore, push the corresponding channel control button for longer than 1s or apply a voltage
between 10 and 30Vdc (max. 6mA current consumption) for longer than 1s to the reset input. The
reset input is galvanically isolated from the rest of the device.
- Uppermost LED is double flashing in red: This indicates that a channel has switched off because
the total current of the module exceeds 40A. In such cases, first the overloaded channels are
switched off, then channels 8 to 1 in descending order.
- Display of the settings for tripping currents and tripping characteristic: Push the SET button for
more than 50ms. First the tripping currents are displayed, followed by the tripping characteristicwith the letter “F” or “S”. This function ends automatically after 5s.
Parameter Mode
The “A” scale on the right side of the LED Matrix is used in this mode, which is also indicated by thetriangular LED below the LED matrix display. In this mode the set values for the tripping currents foreach individual channel are displayed and the LED matrix display also shows if a channel has
switched off due to a too high current or on purpose.
- Displaying of the set current: The green LED shows the set current of the individual channel.
- Displaying of the tripping characteristic: Push the SET button. The selected characteristic is shown on the
LED matrix for 2 seconds. Letter F indicates the fast and the letter S the slow acting characteristic. The
setting applies to all output channels.
- Red LEDs: These indicate a switched off or overloaded channel and include the same LED blinking
pattern and push-button behaviour as in the measurement mode. If a channel is set to 12A, the LED
below the uppermost LED will display this switched-off information.
Changing of Trip Currents and Trip Characteristic
Factory settings are that all channels are turned on with a 1A setting in a fast tripping characteristic
and in measurement mode. Parameters can be changed in the measuring mode as well as in theparameter mode. Parameters can be changed regardless of whether a channel is switched off or not.
- Changing the current settings: Press and hold the SET button for at least 1s. The triangular green"A" LED starts flashing. After that, shortly tap the channel control button multiple times to adjust thecurrent step by step. When the desired setting is found, press the SET buttons for more than 50ms
to save the setting. This mode ends automatically 10 seconds after no more buttons are pushed. In casethe settings are not saved by pressing the SET button, changes of tripping currents are not stored.
- Changing of the tripping characteristic (slow or fast): To change the characteristic for all channels push the
SET and the channel control button 3 at the same time. The selected characteristic is shown on the LED
matrix for 2 seconds and stored automatically. Letter “F” indicates the fast and“S” the slow acting
characteristic.
LED Light Pattern in Measurement Mode

1

2

3

4

5

6

7

=

lock/unlock setting with PIN

SET + CCB2 button=

show FW versions

SET + CCB3 button=

fast/slow tripping characteristic

SET + CCB4 button=

measurement/parameter mode

Front Side and User Elements

SET
buttonChannelcontrolbuttons(CCB)

1

10-140% LEDs
shows theactual current
in relation
to the set
current

12A

120%

10A

100%

8A

80%

6A

60%

4A

40%

3A

20%

2A

10%

1A

%

A

LED off

Green LED on

Red LED on

LED off

Green LED on

Red LED
flashing (2Hz)

3

4

5

6

7

8

140%

12A

120%

10A

100%

8A

80%

6A

60%

4A

40%

3A

20%

2A

10%

LED
matrixdisplay

1A%

Bar graph forchannel 1

A
Bar graph unit
indicator

Bar graphforchannel 8

Description:

Description:

Channel 1 is loaded with 40-60% of
the set current

Channel 1 is set to 12A and output isturned off on purpose (with pushbutton)
1

2

3

4

5

6

7

Channel 2 is set to 4A and output
has tripped due to over current

8

Channel 3 is turned off on purpose(with push-button)
140%

2

LED Light Pattern in Parameter Mode

Channel 2 has tripped due to overcurrent – no output

8

Key Combination Overview
SET + CCB1 button

Channel 4 is loaded with 80-100%of the set current

140%

12A

120%

10A

Channel 5 is turned off on purpose(with push-button)

100%

8A

80%

6A

Channel 6 is loaded with 40-60% of
the nominal current

60%

4A

40%

3A

20%

2A

10%

1A

Channel 7 is loaded with 0-10% of
the nominal current%

Channel 8 has tripped due to overcurrent – no output

Channel 3 is set to 6A and output ison
Channel 4 is set to 8A and output
has tripped due to over current
Channel 5 is set to 2A and output isturned off on purpose (with pushbutton)
Channel 6 is set to 10A and output ison
Channel 7 is set to 1A and output isonA

LED off

Green LED on

Red LED on

LED off

Green LED on

Red LED
flashing (2Hz)

Channel 8 is set to 3A and output
has tripped due to over current

Maximal Average Output Current per Channel Depending on the Ambient Temperature (Derating Table) - Examples
Ambient Temperature-25°C to +40°C+41°C to +50°C+51°C to +55°C+51°C to +55°C+56°C to +60°C+56°C to +60°C+61°C to +70°C

Sum of all channel currents
max. 40A
max. 40A
max. 40A
max. 40A
max. 40A
max. 40A
max. 30A

CH1
12A
10A
12A
10A
8A
12A
12A

CH2
12A
10A
12A
10A
8A
12A
12A

CH3
10A
10A
8A
2A
8A
6A
6A

CH4
10A
10A
8A
10A
8A
6A
6A

CH5
10A
8A
8A
2A
8A
6A
6A

CH5
10A
8A
8A
10A
8A
8A
6A

CH7
10A
8A
8A
2A
8A
8A
6A

CH8
10A
8A
8A
2A
8A
8A
6A

EN

PISA-B-812-B1 Installation Manual

Tripping Diagrams
The following curves show the let-through current areas, which are located to the left of the curves, and the tripping areas, which are located to the right of the curves.
Channel 1 and 2 - Fast Characteristic

Channel 3 to 8 - Fast Characteristic

Tripping Delay
1A 2A 3A 4A

6A

8A

Trip current setting
10A
12A

Tripping Delay

10s

10s

1s

1s

100ms

100ms

10ms

10ms

1ms

Trip current setting

1A 2A 3A 4A

8A

6A

10A

1ms
0

2

4

6

8

10

12
14
16A
Output Current, typ.

Channel 1 and 2 - Slow Characteristic

2

4

6

8

10

12

14

16
18 20 22A
Output Current, typ.

Channel 3 to 8 - Slow Characteristic

Tripping Delay

Trip current setting

1A 2A 3A 4A

0

6A

8A

10A

Tripping Delay

12A

10s

10s

1s

1s

100ms

100ms

10ms

Trip current setting

1A 2A 3A 4A

6A

8A

10A

10ms

0

2

4

6

8

10

12
14
16A
Output Current, typ.

0

2

4

6

8

10

12

14

16
18 20 22A
Output Current, typ.