4-20mA PLC Setting

Join Date
Oct 2004
Posts
51
Can anyone please provide me with the PLC Parameter switch settings for a Q64AD Analog Card. I am working on GX Developer and a Q01.

Also can anyone point me in the right direction when it comes to scaling my analog signals. Its proving to be my only stunbling block and the manuals are not easy to follow.
 
I guess program goes something like this (if the card has base address 0 but this is easily changed):


---| SM400 |--------------[MOV U0\G10 k1M100] ; read conversion complete flags


---| M100 |---------[MOV U0\G11 D101] ; read first channel data
---| M101 |---------[MOV U0\G12 D102]
---| M102 |---------[MOV U0\G13 D103]
---| M103 |---------[MOV U0\G14 D104]


---| SM400 |---------[DMOV K0 D200] ; clear 32-bit
---| SM400 |---------[MOV D101 D200] ; load 16-bit raw value
---| SM400 |---------[DFLT D200 D300] ; Convert 32-bit integer to real
---| SM400 |---------[E* D300 D320 D400] ; Scale the result using D320
---| SM400 |---------[E+ D400 D330 D410] ; And add offset, Result is in D410 stored as real
 
Where the switch settings for 4-20mA = 0H do I need to enter 0000 for each of the five switchs in the PLC parameters?

And the code. Are these instructions available to the Q01?

I do not seem to be able to enter [MOV U0\G11 D101] into my code.

Apologies for my questions, but im fairy new to programming and very new to analog control.
 
Last edited:

Similar Topics

Hi, I am just exploring the options to replace an outdated filling valve controller for a can filler. It has 78 filling valves and runs at max...
Replies
15
Views
4,532
I'm using micro 820 2080-lc20-QBB Plc that have only one analog out 0 to 10v. I want to connect one mov that is working on 4 to 20ma. How to...
Replies
5
Views
2,230
Hi; I have installed a temperature and humidity sensor Autonics THD-R-C which gives 4-20mA signal out. The signal is connected with Fatek...
Replies
3
Views
2,752
Help me ! noise signal plc ? How to prevent noise for plc?
Replies
2
Views
1,877
Hi, I'm a noob after some help if possible. I have been using a Click PLC with a 0-20mA analog input module, quite happily, for some time now. I...
Replies
4
Views
1,795
Back
Top Bottom