Manual for BM-3 - Lenz USA

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BM3 Block Section Module 8Driving sectionBlock 1BrakingsectionBlock 2Driving sectionBrakingsectionDirection of travel2a2bC2a2bC12OT12OTFigure 2Connecting the driving and braking sectionConnect terminal (1) to the left continuous rail.Connect terminal (2) to the right rail before the brakingsection.Connect the right isolated rail of the driving section toterminal (2a) of the BM3.Connect the right isolated rail of the braking section toterminal (2b) of the BM3.Connection to the previous / next BM3: Connectingthe signal output / inputConnect the signal input of the BM3 module that controlssection 1 to the signal output of the BM3 module thatcontrols section 2. Via this connection, each BM3 modulewill receive information on the occupancy status of the blockthat is next in the direction of travel.Connect the signal input of the BM3 module that controlssection 2 to the signal output of the BM3 module thatcontrols the next block.Continue like this to link the signal inputs and outputs of allBM3 modules that make up your block section.Connecting the signalIt is not necessary to connect signals in order for the blocksection to function properly, but, of course, this is helpful.8
BM3 Block Section Module 9Connecting light signalsSimply connect the BM3 signal outputs to the bulbs of thelight signal. The voltage at these outputs is 15V DC. Themaximum continuous current-carrying capacity of theseoutputs is 100mA. You can connect bulbs as well asluminous diodes to these outputs. In the case of luminousdiodes, please note that terminal (C) is the plus pole.Connecting signals with double-coil drives (form signals)Form signals cannot be connected directly to the BM3 signaloutput. The BMA adapter (art. no. 22630) is available forthis purpose. For more detailed information, please refer tothe BMA adapter operating manual.Tips for useUsing the BM2 at the end of a block sectionYou can use the BM2 module to complete a block section ofBM3 modules. In a typical case, the entry signal to a stationwould be at the end of a block section. By setting the entrysignal, you, as the conductor, determine whether an arrivingtrain may or may not enter the station.Driving sectionBrakingsectionDriving sectionBrakingsectionDirection of travel2a2bCBlock signalEntrysignal1 2OTOTCFigure 3The BM2 has a control output designed for this purpose.Connect this output to the BM3 control input that controlsthe previous block (All other wirings necessary for thisfunction are not shown in Figure 3).
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Manual for BM-3 - Lenz USA

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