LFM Reader

  1. RFID
  2. LFM Reader

The HERMOS RFID LFM reader is a read/write device of the HERMOS LFM class (LF midrange), which communicates with passive transponders in the LF range (134.2 kHz). The reader can also be used in metallic environments. With four antenna connections, linking to multiple identification points is possible. Each antenna connection has its own antenna tuning, with which the connected antenna is tuned to the ambient conditions. RS232 and Ethernet are available as data interfaces.

Four antenna ports
Cost-saving concept due to the extended number of identification points.

Various configurations available
The number of available four antenna ports can be customized. Different I/O modules are available.

RS232 and Ethernet interface
Easy and uncomplicated integration due to RS232 and Ethernet interface. ASCII and SECS/HSMS are available as data protocols.

The reader has the following protocols:

  • ASCII Brooks Automation

Automatic tuning
Flexible reading range, adjustable according to requirements. Optimal adaptation of antenna tuning to environmental conditions. Automatic detection of antenna breakage (defective antenna or feed line).

Power over Ethernet (PoE)
Savings potential through the use of PoE within the network infrastructure, relief of the cost budget through fewer power supply units and less cabling.

Polling mode adjustable for each antenna
Automated reading processes simplify operations and control efforts.

Configurable test mode with visual display
Visual monitoring of read characteristics through configurable test mode using DIP switches.

Please scroll or swipe to view more contents of the table below.

article numberInterfacesProtocolsAntennas I/Os
HRF.R.LFM.4S.XA.10.10AEthernet, RS232ASCII, SECS-without
HRF.R.LFM.4S.XA.18.10AEthernet, RS232ASCII, SECSLemo 0S 3 polyg Lemo 0S 2 polyg4 In 4 Out
HRF.R.LFM.4S.XE.10.10AEthernet RS232 (E-Sign)ASCII, SECS-without
HRF.R.LFM.4S.XE.1S.10AEthernet RS232 (E-Sign)ASCII, SECS6 inputs, 8 outputs (Phoenix MC 1.5 / 3.81 mm)24V I/Os
HRF.R.LFM.4S.WA.10.10AEthernet, RS232ASC-W1, SECS-without
HRF.R.LFM.4S.WA.18.10AEthernet, RS232ASC-W1, SECSLemo 0S 3-polyg Lemo 0S 2-polyg4 In 4 Out
  • Technology

    LFM Reader (LF Midrange 134.2 kHz)

  • Components

    • RS232 and Ethernet data interface
    • 4 antenna ports
    • 4 DIP switches and 3 status LEDs
    • I/O module with inputs and outputs per antenna port
  • Functions

    • Power supply via Ethernet (PoE) possible
    • automatic antenna tuning
    • Adjustable polling mode
    • Configurable test mode with optical display
    • Automatic reading function
  • Eigenschaften

    • Transponder identifiable according to ISO 18000-2
    • applications also in metallic environment
    • uncomplicated setting by means of DIP switch
    • reader available with different IO modules
  • LFM4x Reader - Customer Manual

    LFM4x Reader - Customer Manual



    Deutsch / English

  • LFM4x Reader - Application

    LFM4x Reader - Application



  • LFM4x Reader - Loader

    LFM4x Reader - Loader



  • LFM4x Reader - Device Discoverer

    LFM4x Reader - Device Discoverer



  • LFM4x Reader - Protocol Tester

    LFM4x Reader - Protocol Tester



  • LFM Reader (Datasheet)

    LFM Reader (Datasheet)




InterfaceRS232, Ethernet
Antenna port4
Transmission frequency134,2 kHz; ISO18000-2; TIRIS
Dimensions 130 x 124 x 45 mm
Weight 590 g
Case materialAluminum black/nature anodized
Protection classIP40
Operating temperature0 °C to 50 °C
Storage temperature-25 °C to 70 °C
Permissible humidityat 50°C 25% to 80%
Current consumption 80 mA / 300 mA (passive/aktive)
Voltage 20–28 V (reverse polarity protected)
ConformityCE, FCC, RoHS, REACH