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Ultramat 23 / Oxymat 6

2/26/2008 10:16 PM	Rate (0)
vfaria Posts: 4 Rating: (0)	Hello, I'm programming in Step7 using a CPU416-3DP that have one ultramat 23 in order to analyze CO gas and CO2 gas and one oxymat 6 to analyze O2 gas. I need to send commands to these equipments via Profibus: one command to "lock the measurement" and other command to "lock the autocalibration". Is it possible in these equipments via Profibus? Or will I need to send it by I/O? Sincerely yours, Victor (vfaria@vai-ingdesi.com)
vfaria Posts: 4 Rating: (0)	Last edited by: vfaria at: 27.02.2008 14:34
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2/28/2008 1:07 PM	Rate (1)
Tribute Regular Member Joined: 3/27/2007 Last visit: 10/6/2016 Posts: 13 Rating: (2)	Dear Sir, You could use a lot of SFC or SFB blocs for read or write information to a DP slave. To deactivate / activate a DP slave you have the SFC 12 " D_ACT_DP" To read/write function, you have the SFC 58, 59 and SFB 53, 54 . With help of this function blocs, you could read the parameter: SP_D ( setpoint of bloc) and with bit 0 in byte 1, you could activate/deactivate Autocal ( byte 1 = digital/ analog value, Byte 2 = status.) If you have install the EDD for Ultramat with Simatic PDM, you find more information concerning all parameters you could have access with Profibus, but you could also upload the manual from the support home page: http://support.automation.siemens.com/WW/view/en/10807005/133300 Best regards Tribute

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2/28/2008 1:16 PM	Rate (0)
vfaria Posts: 4 Rating: (0)	Tribute Dear Sir, You could use a lot of SFC or SFB blocs for read or write information to a DP slave. To deactivate / activate a DP slave you have the SFC 12 " D_ACT_DP" To read/write function, you have the SFC 58, 59 and SFB 53, 54 . With help of this function blocs, you could read the parameter: SP_D ( setpoint of bloc) and with bit 0 in byte 1, you could activate/deactivate Autocal ( byte 1 = digital/ analog value, Byte 2 = status.) If you have install the EDD for Ultramat with Simatic PDM, you find more information concerning all parameters you could have access with Profibus, but you could also upload the manual from the support home page: http://support.automation.siemens.com/WW/view/en/10807005/133300 Best regards Tribute Dear Tribute, Thank you very much for your precious help! But "bit 0 in byte 1": is it correct? I understood from manual I need to send "1" to bit1 in byte1 to cancel autocal. Best Regards Victor
vfaria Posts: 4 Rating: (0)	Last edited by: vfaria at: 28.02.2008 13:53 Last edited by: vfaria at: 28.02.2008 13:52
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2/29/2008 9:35 AM	Rate (0)
Tribute Regular Member Joined: 3/27/2007 Last visit: 10/6/2016 Posts: 13 Rating: (2)	Dear Sir, that is right. To activate/deactivate is "1" bit 0 in byte 1 and "1" to bit 1 in byte 1 to cancel or abort the autocal if it running. Best regards Tribute

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