s7315-2dp CONT_C Block for PID Control

sirhiss2

Member
Join Date
Oct 2003
Posts
109
I have OB35 created. I inserted Cont_c in rung, addressing it to DB1.

Info:

My A/I address starts at 448 and ends at 463. I set channel 1 to 2dmu current (2 wire transmitter 4-20 mA)and deactivated the other 3 channels.
My A/O address starts at 464 and ends at 471. I set channel 1 to I (current) 4-20 mA and deactivated other 3 channels.

Questions:

#1 - Where do I enter my analog Input and output addresses?
Is it in DB1 under address? PV_PER indicates 14.0 (under address) set for word W#16#0.
LMN_PER indicates 76.0 (under address) set for word W#16#0.

#2 - If I were to create other DB's, would I use these addresses In DB1 for A/I and A/O addresses?

#3 - Can I use OB1 to do the scaling and can I call A/I info or DB info after it has been scaled from DB1?
 

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