
© Siemens AG 2017. All rights reserved
C79000-G8976-C477-01, 12/2017
1
SIMATIC Ident
RFID systems
SIMATIC RF645T
Compact Operating Instructions
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. The
notices referring to your personal safety are highlighted in the manual by a safety alert symbol, notices referring only to property damage
have no safety alert symbol. These notices shown below are graded according to the degree of danger.
indicates that death or severe personal injury will result if proper precautions are not taken.
indicates that death or severe personal injury may result if proper precautions are not taken.
indicates that minor personal injury can result if proper precautions are not taken.
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will be used. A notice warning of
injury to persons with a safety alert symbol may also include a warning relating to property damage.
The product/system described in this documentation may be operated only by
for the specific task in accordance with
the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their
training and experience, are capable of identifying risks and avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products
and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage,
installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any
problems. The permissible ambient conditions must be complied with. The information in the relevant documentation must be observed.

SIMATIC RF645T
2 C79000-G8976-C477-01, 12/2017
SIMATIC RF645T is a passive and maintenance-free on-metal data storage medium. It is specially designed for mounting
directly on metal surfaces. It operates based on UHF Class 1 Gen 2 technology and is used to save the "Electronic Product
Code" (EPC) up to 448 bits. The transponder also has 2048 bits of user memory.
Application The areas of application are industrial asset
management, RF identification of tools, contain-
ers and metallic equipment.
According to ISO 18000-63
User memory: 256 bytes / 2048 bits
Installation For mounting directly on metal surfaces
1)
Depending on the environment, the employed reader / the antennas and the configured power
Mounting cover for SIMATIC RF645T
Retaining bracket for SIMATIC RF645T
The SIMATIC RF645T is available in the following form:
● Minimum order quantity: 20 transponders / 1 package
The mounting cover for SIMATIC RF645T is supplied in the following form:
● Minimum order quantity: 20 mounting covers / 1 package
The retaining bracket for SIMATIC RF645T is supplied in the following form:
● Minimum order quantity: 20 retaining brackets / 1 package

SIMATIC RF645T
C79000-G8976-C477-01, 12/2017
3
Table 3-1 Chemical resistance - ABS (acrylonitrile/butadiene/styrene)
Hot water (hydrolysis resistance)
Explanation of the rating
○ Conditionally resistant
Table 4-1 Read range between RF600 antennas and SIMATIC RF645T 1)
Ranges with max. reader performance (e.g. RF680R/RF685R) and mounting of the transponder on a metal base sur-
face of at least 15 cm x 15 cm
The write ranges amount to 60% of the specified read ranges.
Siemens Distributor