Introduction; Security Information - Siemens SIMATIC AFD4 Product Information

Introduction

This product information contains important information on the active field distributors AFD4,
AFD4 (FM), AFD8 and AFS. It should take priority over information provided in manuals and
catalogs if conflicts occur.
In addition to this product information, you need the associated manual "Bus links. DP/PA
coupler, active field distributors, DP/PA Link and Y Link". It is available for download from the
Internet (http://support.automation.siemens.com/WW/view/en/1142696).
Scope
In this product information, we describe the specifics of the active field distributors, which
can can be operated on the PA and FF field buses:
● AFD4, order number 6ES7157-0AG81-0XA0
● AFD4 (FM), order number 6ES7655-5DX40-1AA1
● AFD8, order number 6ES7157-0AG82-0XA0
● AFS, order number 6ES7157-0AG80-0XA0
Note
The devices listed above are functionally compatible with the previous models AFD with
order number 6ES7157-0AF81-0XA0 or AFS with order number 6ES7157-0AF82-0XA0.
Keep in mind the larger dimensions when replacing the devices.
Setting the dimensions of plants
When setting the dimensions of plants with active field distributors, use the "SIMATIC
Fieldbus Calculator". It is available for download from the Internet
(http://support.automation.siemens.com/WW/view/en/53842953).
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Security information

Siemens provides products and solutions with industrial security functions that support the
secure operation of plants, solutions, machines, equipment and/or networks. They are
important components in a holistic industrial security concept. With this in mind, Siemens'
products and solutions undergo continuous development. Siemens recommends strongly
that you regularly check for product updates.
For the secure operation of Siemens products and solutions, it is necessary to take suitable
preventive action (e.g. cell protection concept) and integrate each component into a holistic,
state-of-the-art industrial security concept. Third-party products that may be in use should
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
Product Information, 02/2015, A5E03775304-AC
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