Be242 AMF/ATS CONTROLLER
FOR STANDBY POWER GENERATOR
SAVE 20 METERS CABLE FOR EACH PANEL
IP62 DOOR MOUNT 56mm ROUND CUT-OUT HOLE
SAVE 2 HOURS LABOR WORK
SAVE 4 AUX. RELAYS & TERMINAL BLOCKS
REDUCE 30% OVERALL COST
We design the future of generator control monitoring. We take care to provide state-of art solutions for our valuable customers. The Be242 allows you to make advanced state-of art Automatic Mains Failure Panels saving connections, wires , components and labour hours. By installing the controller on the door front you are required to cut out a round area similar to panel instruments. The controller contains all electronic circuits in a compact 20mm thin enclosure. An high performance AMF controller needs as much as 50 meters of cables and as many as 100 connections to the terminal blocks of the controller and to terminal block of the panel not mentioning relays and accessories. We introduced a new concept. The Be242 is made of two boards. You do not longer need to place tens of cables up to the panel door. The BE242 main controller is fitted on the front door of the panel. The internal board BE242RB (it stands for RELAY BOARD) directly interfaces with generator and mains via short wires
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The controller reads voltages and currents of the Mains & Generator via the interface board BE242RB. You are no longer required to connect intermediary terminal blocks and wires. The user will connect the generator & engine directly to the interface module module. The internal board BE242RB (it stands for RELAY BOARD) directly interfaces with generator and mains via short wires. You are lo longer required to wire connections up to the rear door panel. The BE242RB board includes auxiliary relays and short circuit-proof components. To make a professional AMF or ATS panel you only requires a metal or plastic cabinet, battery charger, current transformers and contactors. By using the configurable INPUT-OUTPUT options you can choose AMF or ATS mode.
Despite its square shape, the Be242 requires a round hole. You can make a round hole ranging from 56mm up to 70mm. We recommend that you make also 4 small holes required to get the IP62 ingress protection. This operation will take only 5 minutes of work. Forget about cutting a big square hole that requires special metal cutting tools. You can use a simple circular cutting drill. The following footprint will help you position the drill. It includes the optional hole suitable for EMERGENCY SWITCH.
This is the recommended wiring diagram. Click on the image to open a STEP-BY-STEP training video. You will see the simplest way to build a generator control panel saving time and money. Basically, you will make all connections on a single backplane. You will connect the backplane to the BE242 controller via special cable supplied in the BE242 KIT. The system is flexible and adjustable. You can directly connect an engine or other
controllers like auto-start modules.
The BE242 accepts single or tri-phase ALTERNATING voltage connected to utility power and generator. You can handle mixed configurations single-phase or tri-phase for generator and utility power. The relay outputs are short circuit proof. The BE242RB directly control and drive the coils of the contactors via protection fuses. The Be242 kit accepts supply voltage up to 33VDC in a fully operating range 25 up to 70 degree Celsius. In Off mode of operation the system requires 25mA current. The adjustable setting of the BE242 controller covers your protection needs up to 1000kVA generator.
BE242 CONTROLLER SPECIFICATIONS
DC Supply: 5.5/36Vdc, 50/150mA. Protection: internal 300mA thermal fuse.
Dimensions:: 192mm X 144mm X 20mm. Panel Cut-out: Round 56mm up to 70mm
Operating temperature: -25 deg C up to +70 deg C. Humidity range: 5% up to 95%
Weight: 230 grams General design: ECC 89/336, 89/392, 73/23, 93/68, IEC 68-2-6. Certification: CE
Display: 4 digits red color. LED Indicators: 5 nos Yellow & 8 nos Green Pushbuttons: 12 Membrane 100.000 actions life
Miscellaneous: 70 programmabe settings with selectable various input-output options
Supply Voltage: 5.5Vdc to 36Vdc, 50-150mA. Protection: internal 4A thermal fuse.
Dimensions: 200mm X 140mm X 70mm. Installation: DIN-RAIL clips, IP30
Operating Temperature: -25 deg C up to +70 deg C. Humidity Range: 5% up to 95%
Weight: 500 grams General design: ECC 89/336, 89/392, 73/23, 93/68. Certification: CE
DC Relay Ouputs: 1A 30VDC. AC Relay Output: 5A 250V AC Output Fuses: 3,15A Quick Action
Connectors: 5 removable terminal blocks pitch 5mm (DC outputs) and 7,5mm pitch (AC inputs)
Operating Vac : 400Vac nominal. Overvoltage Voltage : 4KVac (10 seconds)
Current Transformers : 5Aac nominal, 8Aac 1 minutes
KEEP-IT-SIMPLE is our master KEYWORD. We designed this controller in a way to be intuitive and simple to use. Normally end-user has no knowledge about electrical items. For this reason we put on the front panel only the necessary components. We use solid state lamps and simple 4 digit display. This controller will last for over 25 years under continuous supply. The current for the lamp is chosen for the longest life time. In the following example we show tha basica conditions: LOAD connected to UTILITY POWER and LOAD connected to STANDBY.GENERATOR.
Directly push a button to select the MODE of operation you want. The LED indicator will immediately confirm the operation. To shutdown the controller, push the OFF button. If the engineis running, the OFF mode stops the engine. According to the setting of the PARAMETER NFPA-110 the BE242 will transfer the load to MAINS even if the MAINS is not within the settings. In OFF mode of operation you are allowed to program the controller.
In MANUAL MODE of operation you can start & stop the engine, you can manulally control the contactors or the transfer switch. In AUTO MODE, the manual commands are disabled and BE242 will perform all tasks based on your automation settings. In case of DC power failure, the BE242 controller will restart the all sequences. As a matter of fact it uses a NON-VOLATILE area of the memory to store the tasks before DC power down. All adjustable parameters are stored in a redundant way if separated memories. In case of high level of noise, or software crash, the microcontroller will be able to recover in a correct way the stored data.
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