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File Description 
Part number scheme for AKD-C power supplies.
Language 
English
Release 
01/2018
Release Date 
Tuesday, January 9, 2018

In order to use the AKD-N12 continuously with a full load, it is needed to ensure a RTHgesamt ≤ 0,2 K/W for the complete system ([1]). The AKD-N without a heat sink provides an RTH of 0,05 K/W. Therefore an additional RTH ≤ 0.15 K/W needs to be ensured in order to provide sufficient heat dissipation. This can be achieved by using a water cooled heat sink.

This article supplies further information about a water cooled option of the 12 A AKD-N and further information about the validation tests.

Structure STO ISO 13849-1 IEC 62061 PFH [1/h] SFF [%] TM (Years)
AKD-C + 1 x AKD-N global PL d, CAT 3 SIL 2 2.9E-08 97.08 20
AKD-C + 8 x AKD-N global PL d, CAT 3 SIL 2 2.9E-08 99.44 20
1 x AKD-N-DS local PL d, CAT 3 SIL 2 2.9E-08 97.12 20

AKD-C offers two separate strings to connect up to 8 AKD-N to each of them. Maximum total cable length for each string is 100m.

AKD-C offers two separate strings to connect up to 8 AKD-N to each of them. Maximum total cable length for each string is 100 m.

The AKD-C's EtherCAT topology will change when switching to firmware version 1-14. The AKD-C will have two ESCs (EtherCAT Slave Controllers) instead of one.

What are the basic differences between the AKD-B, AKD-C, AKD-N, AKD-T, AKD-P? For somebody fairly new to the industry like me, I would be nice to be able to explain the features, advantages, disadvantages to customers. The Kollmorgen website talks about its great features, but does not tell me what applications are appropriate for each drive. Not only will the drive be appropriately selected, but also will save the customer hundreds of dollars. If I can also get application examples that would be very helpful as well.

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