Leuze electronic RFM 32 SL 200 Parts list manual

RFM series - the SMART solution
Stationary RFID read/write systems, transponders
TECHNICAL DESCRIPTION
en 01-2011/03 50115614

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฀฀฀฀Sales Region East
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Sales and Service
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Changes reflecting technical improvements may be made.

Leuze electronic RFM - HF RFID Series 1
Table of contents
1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Definition of terms / abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Safety notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 General safety notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Safety standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 Safety notices for the RFM 32 SL 200 Ex n devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Working safely . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Device description RFM - HF RFID Series . . . . . . . . . . . . . . . . . . . . 9
3.1 Information on the RFID read/write systems of the RFM series . . . . . . . . . . . . . . . . . . . 9
3.2 Characteristics of the RFID read/write systems of the RFM series . . . . . . . . . . . . . . . 10
3.2.1 General performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.2 Special additional characteristics of the RFM 12 SL 200. . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2.3 Special additional characteristics of the RFM 32 SL 200. . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2.4 Special additional characteristics of the RFM 32 SL 200 Ex n. . . . . . . . . . . . . . . . . . . . . 13
3.2.5 Special additional characteristics of the RFM 62 SL 200. . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2.6 Device construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3 Read and write techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.4 Standalone connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.5 Networking - Leuze multiNet plus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.6 Leuze multiScan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.7 Fieldbus systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1 General specifications of the RFM 12 SL 200 read/write systems . . . . . . . . . . . . . . . . 21
4.2 General specifications of the RFM 32 SL 200 read/write systems (Ex n) . . . . . . . . . . . 22
4.3 General specifications of the RFM 62 SL 200 read/write systems . . . . . . . . . . . . . . . . 23
4.4 General specifications of the TFM transponders… (non-Ex). . . . . . . . . . . . . . . . . . . . . 24
4.5 Temperature data of the TFM… transponders (non-Ex) . . . . . . . . . . . . . . . . . . . . . . . . 24
4.6 General specifications of the TFM 0x 1x10.EX Ex-transponders . . . . . . . . . . . . . . . . . 26
4.7 Dimensioned drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5 Installation and mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.2 Mounting the RFM read/write systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.3 Mounting of the transponders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4 Device arrangement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.4.1 Selecting a mounting location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.4.2 Arrangement on the transport system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.5 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2RFM - HF RFID Series Leuze electronic
Table of contents
6 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.1 Safety notices for the electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.2 Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.3 Cable lengths and shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.4 Network/fieldbus connection via MA… connector units . . . . . . . . . . . . . . . . . . . . . . . . 38
7 Commissioning and configuration . . . . . . . . . . . . . . . . . . . . . . . . . 39
7.1 Antenna tuning at the installation site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
7.2 Configuration via the service interface of the MA… . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.3 Commands and messages of the devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.4 Configuring the RFID reader using the RF-Config software. . . . . . . . . . . . . . . . . . . . . . 47
7.5 Acknowledgments and error codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7.6 LED indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
7.7 Transponder memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
8 Diagnostics and troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8.1 General causes of errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8.2 Interface error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
9 Type overview and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
9.1 Model overview of the RFM series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
9.2 Mounting accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
9.3 Model overview of connector units / networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
9.4 Model overview of the TFM… HF transponders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
9.5 Model overview of the TFM… Ex n Ex-HF transponders . . . . . . . . . . . . . . . . . . . . . . . . 57
10 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
10.1 General maintenance information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
10.2 Repairs and servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
10.3 Disassembling, packing, disposing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
11 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
11.1 ASCII table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

General information
Leuze electronic RFM - HF RFID Series 3
TNT 35/7-24V
1 General information
1.1 Explanation of symbols
The symbols used in this operating manual are explained below.
Attention!
This symbol precedes text messages which must strictly be observed. Failure to comply with
this information results in injuries to personnel or damage to the equipment.
Notice!
This symbol indicates text passages containing important information.
1.2 Declaration of conformity
The devices of the RFM (HF RFID, 13.56MHz) series, including corresponding TFM
transponders and MA… connector units, were developed and manufactured in accordance
with the applicable European standards and directives.
Notice!
The Declarations of Conformity for the devices are available for download at www.leuze.com.
The manufacturer of the product, Leuze electronic GmbH + Co. KG in D-73277 Owen,
possesses a certified quality assurance system in accordance with ISO 9001.

General information
4RFM - HF RFID Series Leuze electronic
1.3 Definition of terms / abbreviations
For better understanding of the explanations provided in this document, a definition of terms
and explanations of the abbreviations follows below:
•AFI:
Application Family Identifier = memory area 1 byte in size that specifies the area of
application of the transponder, e.g., medicine, transportation, etc. The definition is
specified in ISO/IEC 15693-3.
•RFID:
Radio Frequency IDentification – umbrella term for the contactless identification of
objects equipped with transponders by means of radio waves.
•HF:
High Frequency – radio-frequency band in which data transmission between the read/
write system and transponder occurs. Data transmission occurs acc. to ISO/
IEC 15693 worldwide on frequency 13.56MHz.
•UID:
Unique IDentifier - unique, 64-bit transponder identification code.
The UID consists of the chip manufacturer number and the chip serial number.
Notice!
Further information can be found in ISO/IEC 15693 and documents published by the chip
manufacturer (NXP, Texas Instruments, Infineon, …).

Safety notices
Leuze electronic RFM - HF RFID Series 5
TNT 35/7-24V
2 Safety notices
2.1 General safety notices
Documentation
All entries in this technical description must be heeded, in particular those in section "Safety
notices". Keep this technical description in a safe place. It should be available at all times.
Safety regulations
Observe the locally applicable legal regulations and the rules of the employer's liability insur-
ance association.
Repair
Repairs must only be carried out by the manufacturer or an authorized representative.
2.2 Safety standards
The devices of the series RFM - HF RFID Series were developed, manufactured and tested
in accordance with the applicable safety standards. They correspond to the state of the art.
2.3 Intended use
Attention!
The protection of personnel and the device is guaranteed only if the device is operated in a
manner corresponding to its intended use.
The RFM 12/32/62 SL 200 model read/write systems based on radio frequency identifica-
tion (RFID) are electronic devices for inductive data transmission from/to compatible code
and data carriers, so-called transponders. The systems are used primarily for automatic
object detection and material flow control. The MA 2xx connector units simplify the elec-
trical connection of the RFM 12/32/62… read/write systems and facilitate the connection
to various interfaces and fieldbus systems.
In particular, unauthorized uses include
• For medicinal purposes

Safety notices
6RFM - HF RFID Series Leuze electronic
Operation in potentially explosive areas
Available for use in rooms with explosive atmospheres are device variants
RFM 32 SL 200 Ex n with certification for use in potentially explosive areas of Zones 2 (gas)
and 22 (dust) (see chapter ).
Attention!
Operation of the RFM 32 SL 200 Ex n in potentially explosive areas is recommended only in
combination with the TFM 0x 1x10.EX transponders from Leuze electronic, which are
approved for use in potentially explosive areas!
Typical areas of application
The read/write systems of types RFM 12/32/62 SL 200 are specially designed for the
following areas of application:
• Object recognition in handling and warehousing systems
• Commissioning systems in dispatch centers
• Flexible material flow control in assembly lines and daisy-chained manufacturing cells
• Acquisition of operational data
2.4 Safety notices for the RFM 32 SL 200 Ex n devices
Safety notices for use in potentially explosive areas of Group II, Category 3,
Zones 2 ("Gas Ex") and 22 ("Dust Ex")
Attention!
This product may only be used by qualified personnel and must only be used for the approved
purpose. This sensor is not a safety sensor and is not to be used for the protection of persons.
Under unfavorable conditions and if used incorrectly in potentially explosive areas, the health
of persons and, if applicable, of animals as well as the safety of property may be endangered.
Safe operation in potentially explosive areas is only possible if the equipment is used properly
and for its intended purpose.
This requires that the installation and operating instructions are adhered to and that appro-
priate measures are taken to ensure that this is effectively and permanently ensured.
Notice!
In order to achieve safe operation of devices of Group II, Category 3, in potentially explosive
areas, installation and protective devices appropriate for the application must ensure that
operational events do not damage or overload the equipment.

Safety notices
Leuze electronic RFM - HF RFID Series 7
TNT 35/7-24V
Installation, commissioning
In order to comply with the requirements acc. to EN 61241-1 and EN 60079-15, the following
prerequisites must be met:
• Devices with connector must be equipped with an additional safeguard or a mechanical
interlocking guard to avoid unintended separation of the connector. The warning sign
"Do not disconnect under voltage" that is supplied with the device must be attached to
the device or its mounting bracket so that it is clearly visible.
• Devices with terminal compartment lid must only be commissioned if the terminal
compartment lid of the device is properly sealed.
• Connection cables and connectors must be protected from excessive pulling or pushing
strain.
• The requirements according to EN 61241-1 regarding dust deposits and temperatures
must be observed.
Attention!
• Due to the physical circumstances, the devices must not be used for the protection of
persons or for purposes of emergency shutdown.
• The sensors must only be installed and maintained by trained electricians.
• The applicable regulations for the installation of electrical equipment in potentially
explosive areas must be observed.
• Operation of the RFM 32 SL 200 Ex n in potentially explosive areas is recommended
only in combination with the TFM 0x 1x10.EX transponders from Leuze electronic,
which are approved for use in potentially explosive areas!
Repairs, maintenance
No changes may be made to the devices designed for potentially explosive areas.
Repairs to the devices may only be performed by persons trained for such work or by the
manufacturer. Defective devices must be replaced immediately.
Cyclical maintenance of the devices is not necessary.
Depending on the environmental conditions, it may occasionally be necessary to clean the
antenna surface of the devices. This cleaning must only be performed by appropriately
trained persons. We recommend using a soft, clean cloth for this purpose. Cleaning agents
containing solvents must not be used!
Chemical resistance
The read/write systems and the TFM 0x 1x10.EX transponders demonstrate good resis-
tance against many diluted acids and bases.
Exposure to organic solvents is possible only under certain circumstances and only for short
periods of time.
Resistance to chemicals should be examined on a case by case basis.

Safety notices
8RFM - HF RFID Series Leuze electronic
2.5 Working safely
Attention!
Access to or changes on the devices, except where expressly described in this operating
manual, are not authorized.
Safety regulations
Observe the locally applicable legal regulations and the rules of the employer's liability
insurance association.
Qualified personnel
Mounting, commissioning and maintenance of the device must only be carried out by qualified
personnel.
Electrical work must be carried out by a certified electrician.

Device description RFM - HF RFID Series
Leuze electronic RFM - HF RFID Series 9
TNT 35/7-24V
3 Device description RFM - HF RFID Series
3.1 Information on the RFID read/write systems of the RFM series
The read/write systems of the RFM series are RFID devices suitable for industrial use that
operate in the HF band at 13.56MHz. They are equipped with an integrated decoder for the
identification of standard transponders (data carriers) acc. to ISO/IEC 15693, such as NXP
I-Code SLI, Texas Instruments Tag-it™ HF-I, Infineon my-d vicinity.
The RFID devices of the RFM series are available with various antenna sizes and operating
ranges.
Figure 4.1: RFM device series
In general, the RFID devices of the RFM series are designed for handling and warehousing
systems with small to medium operating ranges.
Extensive device configuration possibilities by means of the RF-Config software allow the
system to be adapted to a number of reading tasks. The optimized reading distance,
RFM 12 SL 200
Operating range up to 40mm
Connection: cable, 1m
RFM 62 SL 200
Operating range up to 400mm
Connection: cable, 1m
Focussed use in difficult
(metallic) environments
Dimensions: M30 x 98mm
Long-range applications
Dimensions: 300 x 300 x 34mm
RFM 32 SL 200
RFM 32 SL 200 Ex n
Operating range up to 110mm
Connection: cable, 1m / 10m
Universal use,
use in potentially explosive areas
Dimensions: 76 x 102 x 30mm

Device description RFM - HF RFID Series
10 RFM - HF RFID Series Leuze electronic
combined with a very homogeneous field structure and a compact design, enables optimum
use in container and pallet transport systems.
The devices are equipped with an integrated RS 232 interface for direct host connection.
With the help the various possibilities of the MA… modular connector units, the devices can
be networked and coupled to typical fieldbus systems such as PROFIBUS DP, PROFINET,
EtherNet, DeviceNet, etc.
3.2 Characteristics of the RFID read/write systems of the RFM series
3.2.1 General performance characteristics
• Very homogeneous electromagnetic field ensures very reliable detection
• Large opening angle (semi-spherical shape), thus a large reading field width
• Compact construction, optimized for the operating range
• Reliable detection of the transponder while at a standstill and while in motion through
activation (trigger)
• Configurable functions following a trigger: read with preset block range, write
• Online commands for customized, fast access to data
• Pre-transmission of write data to the RFM device (Precharge function)
• Support of the transponder-specific functions
• Visualization of the most important operating states by means of bright LEDs
• Switching input for triggering a read process/write process
• Switching output for signaling states
• RS 232 serial interface
• Industrial design in protection class IP 65/IP 67
• Easy-to-use RF-Config configuration software available via free download

Device description RFM - HF RFID Series
Leuze electronic RFM - HF RFID Series 11
TNT 35/7-24V
3.2.2 Special additional characteristics of the RFM 12 SL 200
Performance characteristics RFM 12 SL 200
• Focussed field for detection in difficult (metal) environments
• Especially well suited for use with workpiece holders and fixtures
Typical reading behavior of the RFM 12 SL 200
Figure 3.1: Typical reading behavior - RFM 12 read-write unit
Attention!
The values specified may deviate as a result of temperature influences, installation site, read
angle, etc.
Transponder TFM 02… Transponder TFM 03/04…
Transponder TFM 05/06…
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior

Device description RFM - HF RFID Series
12 RFM - HF RFID Series Leuze electronic
3.2.3 Special additional characteristics of the RFM 32 SL 200
Performance characteristics RFM 32 SL 200
• Suitable for universal use thanks to compact construction and good detection range
• Especially well suited for use between rollers in container or pallet applications
• Up to 4 transponders in field simultaneously
Typical reading behavior RFM 32 SL 200
Figure 3.2: Typical reading behavior - RFM 32 read-write unit
Attention!
The values specified may deviate as a result of temperature influences, installation site, read
angle, etc.
Transponder TFM 02… Transponder TFM 03/04…
Transponder TFM 05/06… Transponder TFM 08…
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior

Device description RFM - HF RFID Series
Leuze electronic RFM - HF RFID Series 13
TNT 35/7-24V
3.2.4 Special additional characteristics of the RFM 32 SL 200 Ex n
Performance characteristics of the RFM 32 SL 200 Ex n
• Suitable for universal use thanks to compact construction and good detection range
• Especially well suited for use between rollers in container or pallet applications
• Up to 4 transponders in field simultaneously
• Certified for use in potentially explosive areas in Zones 2 (gas) and 22 (dust)
Typical reading behavior of the RFM 32 SL 200 Ex n
Figure 3.3: Typical reading behavior - RFM 32 Ex n read-write unit
Attention!
The values specified may deviate as a result of temperature influences, installation site, read
angle, etc.
Transponder TFM 03… Ex n Transponder TFM 05… Ex n
0
1
2
3
4
5
6
7
10 2 3 4 5 6 7 8 9 10
Reading distance x [cm]
Max. speed [m/s]
Typ.reading behavior
0
1
2
3
4
5
6
7
10 2 3 4 5 6 7 8 9 10
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior

Device description RFM - HF RFID Series
14 RFM - HF RFID Series Leuze electronic
3.2.5 Special additional characteristics of the RFM 62 SL 200
Performance characteristics RFM 62 SL 200
• Large detection range with semiautomatic adjustment function for metal environments
• Especially well suited for use along the side of the transport system for container
transport
• Up to 8 transponders in field simultaneously
Typical reading behavior RFM 62 SL 200
Figure 3.4: Typical reading behavior - RFM 62 read-write unit
Attention!
The values specified may deviate as a result of temperature influences, installation site, read
angle, etc.
Transponder TFM 02… Transponder TFM 03/04…
Transponder TFM 05/06… Transponder TFM 08…
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior
0
1
2
3
4
5
6
7
5 1015202530035
Reading distance x [cm]
Max. speed [m/s]
Typ. reading behavior

Device description RFM - HF RFID Series
Leuze electronic RFM - HF RFID Series 15
TNT 35/7-24V
3.2.6 Device construction
Figure 3.5: Device construction using the RFM 32 as an example
3.3 Read and write techniques
RFID devices with working frequency of 13.56MHz (HF) form a spherical, homogeneous
electromagnetic field around the antenna. The operating range varies depending on the
device type. The transponder that is used (antenna geometry) also has a significant
influence. For exact data, please refer to the specifications of the read/write systems (see
also "Typical reading behavior" from page 11).
The front of the device (black) or the active side (equipped with LEDs, depends on model)
must not be enclosed by metal. A metal surface in the read field will likewise reduce the
operating range.
Notice!
The antenna surfaces of transponder and read/write system should be as parallel with one
another as possible at the read/write position.
Device top: Active surface (antenna)
(cross hairs = antenna middle)
Indicator LEDs:
PWR (yellow), READ (green), ACT (red)
Defined antenna field
(mounting on metal surface possible)
Shielded connection cable
with system plug

Device description RFM - HF RFID Series
16 RFM - HF RFID Series Leuze electronic
Areas of application
• Object recognition in handling and warehousing systems
• Commissioning systems in dispatch centers
• Flexible material flow control in assembly lines and daisy-chained manufacturing cells
• Acquisition of operational data
Figure 3.6: Reading from below (container or pallet)
Figure 3.7: Lateral reading (containers)

Device description RFM - HF RFID Series
Leuze electronic RFM - HF RFID Series 17
TNT 35/7-24V
Figure 3.8: Reading from below (skid)
The detection field can only be attenuated, and the function thus impaired, by metal surfaces
and/or fluids on the transponder or RFM housing.
For this reason, we recommend the use of a nonmetal spacer between transponder and
base (e.g., spacer 50 HT which fits the disc transponders with a diameter of 50mm),
whereby a spacer height of 10mm is sufficient for a range of approx. 50mm.
For the read/write system, it is recommended that a space in front of and along the sides
equal to the "device dimensions + half the operating range" be kept completely free of metal
in order optimize performance (reading speed and operating range).
If, due to structural reasons, a metal surface is to enclose most of the device, a slit should
be sawed into one side of the surface in order to interrupt the metal short circuit for the
detection field.
Acceptable function and operating range can be achieved in this way even in metal.

Device description RFM - HF RFID Series
18 RFM - HF RFID Series Leuze electronic
3.4 Standalone connection
The RFID devices of the RFM family can be operated as standalone single stations. For the
electrical connection via the preinstalled cable (length: 1m), the supply voltage, the interface
and the switching input/output are connected via a suitable MA 2 connector unit.
Figure 3.9: Standalone connection / networking
3.5 Networking - Leuze multiNet plus
Up to 30 RFM read/write systems can be networked via one MA 31 network master. For
this purpose, an MA 21 100.2 with unique station address is connected to each RFM read/
write system. Networking is via a parallel connection of the individual RS 485 interfaces of
the respective MA 21 100.2 units.
Leuze multiNet plus
In Leuze's proprietary multiNet plus network, the individual network devices transmit their
data upon request through the MA 31 network master in sequence. In addition, each
network device (MA 21 100.2) declared as a slave receives a device address which is set
with the aid of the rotary switch on the MA 21 100.2.
The master then transmits the data of all network devices to a primary PLC or a computer
via its host interface, i.e., it "collects" the data in the network and transmits it via an interface
to the host computer. This reduces interface costs (CPs) and time spent programming the
software.
RFM…
VCC I/ORS232
MA …
RFM…
RS232VCC I/O multiNet,
Fieldbus
Host
Host
Standalone operation Networking