BE142 AMF CONTROLLER

2012-2022 THIRD GENERATION

32BIT MICROCONTROLLER

BE142 THIRD GENERATION AMF CONTROLLER

OVER 165.000 CONTROLLERS WORLDWIDE

The Be142 AMF controller is the best choice when you are required to manufacture professional & general purposes automatic mains failure panels. It continuously monitors the status of the MAINS allowing the user to set low/high limits for Mains Voltage and frequency. When the above parameters are within the limits, the Be142 AMF controller transfers the load to the Mains. The Be142 is a full 3-Phase monitoring controller. In cases where a single-phase generator you can use the Be142 to upgrade your old Be42-based control panel.


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If the voltage drops below the lower limit (or rises above the high limit) or, if the frequency drops below its limit (or rises above its limit), the Be142 will disable the Mains circuit breaker. This prevents, after a programmable delay, severe damage to your load. So, we can say that Be142 prevents, in the first place damage to your systems. Then, if the failure persists for a long time (a programmable timer is available ranging from seconds up to hours) the Be142 will take care to start your emergency generator. Once again the Be142 does its business to check the quality of the generator voltage and frequency. Once the parameters are within the programmed limits, the BE142 will enable the generator circuit breaker. Now, in case of prolonged power outages, your load is safely supplied by your emergency generator. Be142 as we understood before does not forget to pay attention to the Mains. So, when the Mains parameters will return within the programmed settings, the Be142 AMF controller will transfer the load to MAINS. This will happen after a delay that will ensure that the Mains is in stable conditions. Once your load is connected to the Mains, the engine will run for a programmable time off-load. After that,  the engine will stop and the BE142 is ready for a new power outage.

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THE BE142 WIRING DIAGRAM

This is the typical BE142 control panel circuit diagram. You can observe the connections of the current transformers wired on the load side. This allows the Be142 to display the generator current when a circuit breaker is closed. So, you can read the current into the load even when connected to the power utility.

AMF Control Panel Circuit Diagram Be142

You can set up alarms (warning or shutdown) in case of an over-current. The Be142 will trigger the alarm only when connected to the generator. It is obvious that you can set up all other important protections about Over/Under frequency, voltage, and so on. By adding only a few relays you can interface with all kinds of engines: gas-gasoline-diesel. You can observe the RS485 connection as well. This will allow you remote control monitoring via MODBUS, TCP-IP, or, by using the BE16 module, to GSM systems.

BE142 INSTALLATION MANUAL

The Be142 is designed to drive two contactors. A best practice, in addition to the electrical interlock, is to use a suitable mechanical interlock. This will avoid back-feeding in case of damage to the Be142 controller. You can connect analogue or digital sensors directly to the Be142 inputs. The output of the Be142 is suitable for automotive relays 12V or 24V (according to the engine's battery). The Be142 outputs are short-circuited proof, but we recommend that you connect all the time with flywheel relays.

ABOUT BE142

The Be142 is a 3-phase AMF controller up grade of the most popular Be21 and Be42 controller. All parameters, alarms, and operating functions are indicated by means of a high-luminosity display. The AMF controller Be142 interfaces with resistive or digital sensors. It measures Vac, Aac, Vdc, Hz, hour count, R.p.m., Oil Pressure, Engine Temperature, Battery Vdc and Fuel Level. Software for remote monitoring is also provided free of charge. The Be142 provides MODBUS via RS485. The AMF controller Be142 complies with NFPA-110 / NFPA-99. By using our TCP-IP server you can monitor and control the Be142 via INTERNET. Option for remote control by GSM is also provided. We provide support to make your own AMF Control Panels.

 OFF MODE OF OPERATION

Push the button [OFF] to enter the OFF mode. The OFF mode clears the fault alarms and allows you to read or program parameters. The Display and LEDs are turned off and a dot on the display will blink slowly. Push one of the pushbuttons on the front panel to energize the display.

  MANUAL MODE: STARTING THE ENGINE

Note: default programming for input #36 (Emergency input) is ‘normally closed ‘. To inhibit the alarm  [Er.08], you are required to connect terminal #36  to the ground (Emergency input). The MANUAL mode allows manual control of the engine and circuit breakers.
Push the [MAN] push button to select the MANUAL mode. Push the [START] push button until the engine starts; the display indicates the message [. . . .] during the starting attempts or [! ! ! !] if preheat has been programmed.
When the engine is running, the green LED turns on. To stop the engine, push the [STOP] push button until the [StOP] message appears on the display. If the engine has already stopped, it is possible to reset the STOP sequence by pressing the [STOP] push button.

Genset Controller Be142 Auto Mode of Operation

MANUAL CHANGEOVER

Select the MANUAL mode, start the engine (see above) and wait for voltage presence. Push the [ I ] (KG) push button to close the Generator circuit breaker. To transfer the Load to Mains, push the [I] (KM) push button (the [KG] will open).  To open a Contactor, push the [O] push button. In manual mode, the CHANGEOVER timer lasts one second.

AUTO MODE OF OPERATION

Note: default programming for input #36  (Emergency input) is ‘normally closed ‘. To inhibit the alarm [Er.08] you are required to connect terminal #36 to the ground (Emergency input). Push the [AUTO] push button until the green LED illuminates. The engine starts when the Be142 detects a Mains failure. The Contactor of the MAINS (KM) opens after the BREAKER timing. After the warm-up time, if the voltage and frequency are within the settings, the circuit breaker of the generator (KG) will close. If the Mains restores, the KG will open. The KM will close following a programmed changeover timing. The Engine will stop after cooling downtime. If the engine shuts down, the KM closes independently of the Mains status if the [P.48] is [ON] (NFPA-110 mode), otherwise, the KM will close only if the Mains is within programmed settings. In AUTO mode, the Be142 will periodically test the engine if the parameters [P.41] and [P.42] have been programmed. During this test, the green LED of the AUTO mode will continue to blink. In AUTO mode, the Be142 can start and stop the engine according to programmed inputs.

 TEST MODE OF OPERATION

Push the [TEST] push button until the green LED illuminates. The Be142 starts the engine and transfers the load to the Generator if [P.17] is [on]. To stop the engine, select the AUTO mode (if Mains is present) or select the OFF mode. If you push the [STOP] push-button when the Be142 is in AUTO or TEST, the [Er.09] will energize. To clear the alarm, select the OFF mode.

 Be142 REAR VIEW

All connections are made via removable female connectors.

AMF Controller Be142 Rear View

1) RS485 4-POLES PLUG   2) DIGITAL INPUTS  3) ENGINE INSTRUMENTS INPUTS 4) POWER SUPPLY AND ENGINE RUNNING CONNECTIONS 5) GENERAL PURPOSE OUTPUTS  6) CURRENT TRANSFORMERS CONNECTIONS  7) MAIND AND GENERATOR VOLTAGE CONNECTIONS 8) REAR COVER SCREWS 9) 4 X M4 FIXING

NUTS


 Be142 GSM REMOTE MONITORING

By using the Be16 SMS server module, you can remotely control your AMF panels. By using SMS you are able to start and stop the engine, and you are able to transfer the load to the generator or mains as well. The GSM is the most reliable and cost-effective solution to monitor your generator.

 

GSM Based AMF Controller Be142

This GSM kit is based on an industrial-grade 4-band GSM modem capable to work worldwide on 2-3-4-5G technology.

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169€

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 MODBUS REMOTE MONITORING

Thanks to the built-in RS485 serial interface, you can easily communicate with the controller by using the standard MODBUS protocol. On the hardware layer, you may need a twisted pair cable able to carry a 19600 baud rate. We can supply industrial grade MODBUS-USB converter capable of extending the connection up to 1000 meters.

AMF CONTROLLER MODBUS MONITORING

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129€

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Software for remote monitoring is offered free of charge. It runs in all Windows-based systems.

AMF controller MODBUS monitoring


  TCP/IP REMOTE MONITORING

The TCP/IP monitoring is the most flexible way to control and monitor a generator from a remote location supposing you have a reliable internet connection point. The system is based on the Bernini design proprietary SERVER. It uses encrypted MODBUS over TCP/IP solutions. The system works best and runs safely by using a router with a public (fixed) IP.

PURCHASE THE BE142 TCP/IP CONVERTER

199€

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TCP-IP SERVER

Software for remote monitoring is offered free of charge. It runs in all Windows-based systems.

AMF controller TCP/IP monitoring


BERNINI DESIGN SRL SALE TERMS

Zona Industriale, 46035 Ostiglia Italy

   [email protected]

0039 335 70 77 148

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