SIMATIC S5 / STEP 5
Replacement of "VLT 3002" by "FC 302"connected to PLC S5 on RS 485"
Thread Starter: Eng Gitonga Started: 10/4/2011 3:09 PM Replies: 0
10/4/2011, 3:09 PM
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Hi all,
I'm tasked with a role of replacing VLT type 3002 (175H7238) with the recent FC302. The plant operates with PLC 115U CPU 944B simatic S5 and the communication is serial RS 485 on terminal 68 & 69. I've made all connections but still the VSD shows auto remote standby message and the cpu is registering that the motor device has malfunctioned.
Previously i've been succesful in using VLT 5000. Any ideas on how i can go about it will be highly appreciated.
Sincerely thankful, Eng Gitonga
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