© Siemens Ⓟ2010
J31069-D0238-U001-A1-7618, 10/2010 1
SIMATIC Ident
RFID systems RF300
MDS D425
Compact Operating Instructions
Characteristics
MDS D425 Characteristics
Field of application Compact and rugged ISO transponder; suitable for screw
mounting
Use in assembly and production lines in the powertrain
sector; ideal for mounting on motors, gearboxes, and
workpiece holders
Memory FRAM 2048 bytes gross
2000 bytes net
Read/write range See Chapter Field data (Page 2).
Mounting on metal Yes
High resistance Rugged packaging of the MDS D425; can therefore also be
used under extreme environmental conditions without
problem
Standard Oriented according to ISO-15693
Ordering data
Table 1 Ordering data of MDS D425
Order number
MDS D425 6GT2600-4AG00
Safety instructions for the device/system
NOTICE
This device/system may only be used for the application instances that have been described in the catalog and the
technical documentation "SIMATIC RF300 System Manual
(http://support.automation.siemens.com/WW/view/en/21738946)" and only in combination with third-party devices and
components recommended and/or approved by Siemens.
MDS D425
2 J31069-D0238-U001-A1-7618, 10/2010
Application example of MDS D425
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Figure 1 Application example
Field data
Table 2 Field data MDS D425 - RF300 reader
RF310R RF340R RF350R /
ANT 12
RF350R /
ANT 18
RF350R /
ANT 30
RF350R /
ANT 1
RF380R
Operating
distance
(Sa)
2 ... 14 2 ... 20 0 … 5 0 … 10 0 … 15 2 … 25 2 … 35
Limit
distance
(Sg)
18 30 7 14 20 35 50
Trans-
mission
window
(Lx/Ly)
30 / 30 45 / 45 ∅ 8 ∅ 17 ∅ 25 40 / 40 80 / 50
Minimum
distance
from MDS
to MDS
> 100 > 150 > 30 > 50 > 60 > 150 > 300
All values are in mm
MDS D425
J31069-D0238-U001-A1-7618, 10/2010 3
Technical specifications
Table 3 Technical data of MDS D425
Memory size 2048 bytes
Memory configuration
● Serial number
● Configuration memory
● Application memory
● 8 bytes (fixed code)
● 40 bytes
● 2000 bytes
Storage technology FRAM
Memory organization 2048 bytes gross
2000 bytes net
When using the OPT area,
16 bytes of it must be
subtracted in 8 byte blocks
Protocol ISO 15693
Data retention (at +40 °C) 10 years
MTBF ≥ 2 ∙ 106 h
Data transmission rate
for read and write
approx. 2 ms / byte
Bulk detection/multitag
capability
Yes
Read cycles Unlimited
Write cycles at +40 °C,
typical
> 1010
Read/write distance (Sg) See Chapter Field data
(Page 2)
Distance from metal Can be mounted on metal
Power supply Inductive power
transmission
(without battery)
Degree of protection to EN
60529
IP68 1)
IPx9K 2)
Shock, tested in
accordance with IEC 68-2-
27
50 g 3)
Vibration, tested in
accordance with IEC 68-2-6
20 g 3)
Torsion and bending load Not permissible
Enclosure
● Color
● Material
● Dimensions (D x H) in
mm
● Black
● Plastic PA 6.6 GF;
thread: Stainless steel
● 18(±1) x 10(±1) (without
thread), thread M6
MDS fixing Screws, tightening torque (at
room temperature) ≤ 6 Nm
Ambient temperature
● During operation
● Transport and storage
● -25 °C to +85 °C
● -40 °C to +125 °C
Weight, approx. 35 g
1) 2 hours, 2 m, +20 °C
2) steam jet: 150 mm; 10 to 15 l/min; 100 bar; 75 °C
3) The values for shock and vibration are maximum values
and must not be applied continuously.
Note
It is recommended that a test is performed in critical
applications.
Dimension drawing
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ෘ
ෘ
*7$*
0'6'
$6$
0
5
Dimensions in mm
Figure 2 Dimension drawing of MDS D425
Service & support
Technical support
● Phone: + 49 (0) 911 895 7222
● Fax: +49 (0) 911 895 7223
● E-mail (mailto:support.automation@siemens.com)
● Internet: Online support request form:
(www.siemens.com/automation/support-request)
Service & support at IA/DT
Support homepage
(www.siemens.com/automation/service&support)
RFID homepage
For general information about our identification systems,
visit RFID homepage (http://www.siemens.com/simatic-
sensors).
