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Siemens SIMATIC NET CP 1604 User Manual

Siemens SIMATIC NET CP 1604
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Operating hardware
4.4 Media redundancy
CP 1604 / CP 1616
78 Operating Instructions, 02/2017, C70000-G8976-C218-08
4.4.2
MRP
The "MRP" method conforms to the Media Redundancy Protocol (MRP) specified in the
standard IEC 62439-2 Edition 2.0.
The reconfiguration time after an interruption of the ring is a maximum of 0.2 seconds.
Requirements
Requirements for problem-free operation with the MRP media redundancy protocol are as
follows:
MRP is supported in ring topologies with up to 50 devices. Exceeding this number of
devices can lead to a loss of data traffic.
The ring in which you want to use MRP may only consist of devices that support this
function. This applies, for example, to the following devices:
Industrial Ethernet switches
SCALANCE X 200 as of firmware version V4.0,
SCALANCE X 200 IRT as of firmware version V4.0
Communications processors
CP 443-1 Advanced (6GK7 443 1GX20 0XE0) as of firmware version V2.0,
CP 343-1 Advanced (6GK7 343 1GX30 0XE0) as of firmware version V1.0,
Non-Siemens devices that support this functionality.
Further Siemens devices are planned that will support MRP.
All devices must be interconnected via their ring ports.
“MRP" must be activated on all devices in the ring (see “MRP configuration in PROFINET
IO").
Set all the ports involved in the ring to "Automatic settings" in the "Options" tab of the
properties dialog during STEP 7 configuration.

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Siemens SIMATIC NET CP 1604 Specifications

General IconGeneral
BrandSiemens
ModelSIMATIC NET CP 1604
CategoryController
LanguageEnglish

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