[?]: Profibus altivar 312 VFD and S7 300

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Melad
Posts: 18
Joined: Thu Apr 09, 2020 1:26 pm

[?]: S7-Altivar71 Profibus read code

Post by Melad »

Hello, Please I need to understand the following network

Please refer to ATV71 programming manual cap. 1.9 (COM-) &
atv71_parameters_en_v3.xls

[Scan. IN2 address]= 8604 (RFRD ->Output velocity - 1=1 rpm)
[Scan. IN3 address]= 3205 (OTR ->Motor torque - 1=0.1% of rated torque)
[Scan. IN4 address]= 3204 (LCR ->Motor current - 1=0.1 A)


L PIW [AR1,P#2.0] //[Scan. IN3 address]=
T #Drive_Speed
L PIW [AR1,P#4.0]
T #Drive_Torque
L PIW [AR1,P#6.0]
T #Drive_Current
CoMod
Site Admin
Posts: 3992
Joined: Thu Feb 16, 2006 3:25 pm
Location: Russia

[?]: S7-Altivar71 Profibus read code

Post by CoMod »

Code: Select all

L PIW 264 // StatusWord
L PIW 266 // 264 +2 [AR1,P#2.0] //[Scan. IN3 address]=
T #Drive_Speed
L PIW 268 // 264 +4 [AR1,P#4.0]
T #Drive_Torque
L PIW 270 // 264 +6 [AR1,P#6.0]
T #Drive_Current
Image
Melad
Posts: 18
Joined: Thu Apr 09, 2020 1:26 pm

Re: [?]: S7-Altivar71 Profibus read code

Post by Melad »

hello, thank you very much for your help
kindly I have more questions:-
1- Why not written directly PIW270, and written like this PIW [AR1,P#6.0]? I think it is easier and more clear...
2- Why PIW270 refers to drive current and PIW268 refers to torque?
3- What are the related parameters of the Altivar drive and how to setup?
4- Please explain the following:
[Scan. IN2 address]= 8604 (RFRD ->Output velocity - 1=1 rpm)
[Scan. IN3 address]= 3205 (OTR ->Motor torque - 1=0.1% of rated torque)
[Scan. IN4 address]= 3204 (LCR ->Motor current - 1=0.1 A)
Thank you
Melad
Posts: 18
Joined: Thu Apr 09, 2020 1:26 pm

[?]: Profibus altivar 312 VFD and S7 300

Post by Melad »

Kindly, I need sample program "simatic manager" to control an altivar 312 VFD by S7 300 PLC through profibus protocol
Start/Stop, Speed control, read speed and current.
Please do not consider this as a repeated topic
Thanks
Rex2701
Posts: 374
Joined: Wed Oct 13, 2010 8:44 am
Location: Russian Federation

Re: [?]: Profibus altivar 312 VFD and S7 300

Post by Rex2701 »