I was able to get my first look at Rockwell's new PowerFlex 527 VFD at Automation Fair 2014, and in today's article I share the seven new facts I learned:
1) Logix Only
2) No HIM
In fact, the only setting you can change from the front of this drive is the IP Address.
3) No USB Port
Also driving home the first point is the fact that the 527's Control Module has no USB port, so connecting directly with your PC is not possible.
This makes the 527 more like a traditional rack of I/O, and should prevent mismatches between the drive configuration and the Logix controller's.
4) Embedded two port Ethernet switch
Like many new Rockwell products, the 527 sports an integrated dual-port DLR enabled Ethernet switch. This allows it to be used in either daisy chain or ring configurations.
When used with a GuardLogix processor, the 527 supports Integrated Safety over Ethernet/IP.
6) Hardwired Safe-Torque-Off
When used with a standard Logix processor, the 527 also has built-in hardwired Safe Torque-off support.
7) Common 520 Power Structure
The 527 shares a common power structure with the 523 and 525. According the representative I talked to at the show, the 527 control module can be used to replace an existing 523 or 525 control module (or vice versa.)
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