Bachmann BEM211 (00012846-00) — Bus Expansion Master Module (M1/M200 System)

The Bachmann BEM211 (order number 00012846-00) is a bus expansion master module from the Bachmann M1/M200 automation system series. It enables high-speed connection of distributed I/O units up to 3 meters away, allowing the controller's backplane to be extended to additional stations. The BEM211 is the master module with one interface; it works in conjunction with the BES212 slave modules to build a daisy-chain topology of distributed I/O substations.

  • Item nº :

    BEM211 00012846-00
  • Pedido (MOQ) :

    1
  • Pagamento :

    EXW
  • Origem do produto :

    Germany
  • Porto de embarque :

    Wuhan, Hubei, China
  • Tempo de espera :

    3-5 days
  • Peso :

    1kg
  • Overview

    BEM211 00012846-00 Bachmann

    Condition: New and Original

    Price: Click the bottom to send an inquiry

     


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    FAQ

    Q1: What is the Bachmann BEM211 used for?
    It is a bus expansion master module that extends the M1/M200 controller backplane to distributed I/O substations up to 3 meters away, allowing additional I/O modules to be added without a local backplane slot.

    Q2: How many substations can be connected?
    Up to 6 distributed substations in a daisy-chain topology, each supporting up to 15 M200 standard modules.

    Q3: What cable is used for the bus expansion?
    CAT7 special cable with RJ45 connectors, with a maximum length of 3 meters between stations.

    Q4: Does the BEM211 have an integrated power supply?
    It supports an optional integrated power supply (18–34 VDC, 17 W nominal), providing +5 V, +15 V, and -15 V outputs to the expanded I/O modules.

    Q5: What is the access time for the expanded I/O?
    Less than 1.5 µs, ensuring the expanded I/O behaves as if it were local to the controller.

    Q6: What is the relationship between BEM211 and BES212?
    BEM211 is the bus expansion master module (1 interface); BES212 is the bus expansion slave module (2 interfaces) used at the substations.

    Q7: What are the environmental ratings?
    Operating temperature -30 °C to +60 °C, storage -40 °C to +85 °C, with CE, UKCA, and cULus approvals.

    Q8: Is this a current or legacy product?
    Bachmann maintains long product lifecycles. Confirm current product status and availability with Bachmann or an authorized distributor.

    Q9: Where can I get technical documentation?
    Official Bachmann electronic documentation, or an authorized distributor, is the authoritative source for specifications and compatibility.


    Recommending Models

     
     
    Model Description When to Choose
    BEM211 (00012846-00) Bus expansion master module (1 interface) When extending the controller backplane to distributed I/O substations
    BES212 (00012847-00) Bus expansion slave module (2 interfaces) When used at each substation in the daisy chain (confirm with Bachmann)
    BES212/N (00012848-00) Bus expansion slave module with integrated power supply When substation power supply is required (confirm with Bachmann)
    M1/M200 I/O modules Digital, analog, and special function modules When I/O expansion is required at the substations (confirm with Bachmann)
    K-BE211 cables Bus expansion cables (0.5 m, 1.0 m, 2.0 m, 3.0 m) When connecting BEM211 to substations (order separately)
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