wanher3 Member W Join Date Feb 2018 Location USA Posts 65 Jan 25, 2020 #1 Hello, What's the working principle of a totalizer and how can the TOT instruction in RSLogix be used to calculate or accumulate Flow ? Thanks
Hello, What's the working principle of a totalizer and how can the TOT instruction in RSLogix be used to calculate or accumulate Flow ? Thanks
bernie_carlton Lifetime Supporting Member + Moderator Join Date Apr 2002 Location Yakima, Washington Posts 6,413 Jan 25, 2020 #2 It actually uses a flow value to calculate a total by sampling the slow value at specific intervals and adding to the total value.
It actually uses a flow value to calculate a total by sampling the slow value at specific intervals and adding to the total value.
wanher3 Member OP W Join Date Feb 2018 Location USA Posts 65 Jan 25, 2020 #3 bernie_carlton said: It actually uses a flow value to calculate a total by sampling the slow value at specific intervals and adding to the total value. Click to expand... But how's that accomplished using the TOT instruction ?
bernie_carlton said: It actually uses a flow value to calculate a total by sampling the slow value at specific intervals and adding to the total value. Click to expand... But how's that accomplished using the TOT instruction ?
jkerekes Member Join Date Aug 2007 Location NJ Posts 2,363 Jan 26, 2020 #4 It integrates the flow over time by adding together the instantaneous flow.
wanher3 Member OP W Join Date Feb 2018 Location USA Posts 65 Jan 26, 2020 #5 jkerekes said: It integrates the flow over time by adding together the instantaneous flow. Click to expand... I understand the theory. My question is how is the TOT instruction set up in other to accomplish this ?
jkerekes said: It integrates the flow over time by adding together the instantaneous flow. Click to expand... I understand the theory. My question is how is the TOT instruction set up in other to accomplish this ?
bernie_carlton Lifetime Supporting Member + Moderator Join Date Apr 2002 Location Yakima, Washington Posts 6,413 Jan 27, 2020 #6 Just a note that the TOT instruction is not available in Ladder, just Function Block and Structured Text. Here is a link to the manual containing the description of the instruction, https://literature.rockwellautomation.com/idc/groups/literature/documents/rm/1756-rm006_-en-p.pdf
Just a note that the TOT instruction is not available in Ladder, just Function Block and Structured Text. Here is a link to the manual containing the description of the instruction, https://literature.rockwellautomation.com/idc/groups/literature/documents/rm/1756-rm006_-en-p.pdf