Preface
iv
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
Changes since the previous version
The following changes have been made since the previous version of this manual,
DP/PA Bus Coupler Manual (order number 6ES7 157-0AA00-8xA0, release 4):
Integration of the description of the Y link coupler
New components:
– IM 157: 6ES7 157-0AA82-0XA0
– DP/PA coupler Ex [i]: 6ES7 157-0AD81-0XA0
– Y coupler: 6ES7 197-1LB00-0XA0
The IM 157 features the following new functions as of the firmware version cited
above:
DPV1 support with full diagnostics
Interrupt processing is now possible for non-redundant operation as well
System changes can be made during operation (also for non-redundant
operation)
Identification data are provided for the positive identification of the device in the
system
Firmware update via PROFIBUS-DP (not for redundant operation)
The description of the parameter assignment and configuration frames is no
longer part of this manual. It can now be found on the Internet:
http://www.ad.siemens.de/simatic-cs
Configuration with STEP 7
The DP/PA link and Y link couplers can be configured with STEP 7 as of V5.2.
Approvals
The DP/PA link and Y link couplers comply with the following approvals:
Underwriters Laboratories, Inc.: UL 508
(Industrial Control Equipment)
Canadian Standards Association: CSA C22.2 Number 142,
(Process Control Equipment)
Factory Mutual Research: Approval Standard Class Number 3611
C tick mark
The DP/PA link and Y link couplers meet the requirements of the AS/NZS 2064
standard (Australia and New Zealand).
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