Database Element DOC -> Pin 19 Function
Hello guys, can anyone tell what pin 19 from AC450 database element DOC is used for? I can see data being read and written into pin 19 but, I could not find it on database manuals. Thanks in advance!
Asked 5 months ago
Voted best answer
3
Hi,
My documentation shows property 19 as spare, or user defined, so I suspect someone has come up with some custom solution to pass information to and from PC program, possibly with some custom changes to faceplate and/or Object Display for presentation of some custom status.
Regards
Peter
My documentation shows property 19 as spare, or user defined, so I suspect someone has come up with some custom solution to pass information to and from PC program, possibly with some custom changes to faceplate and/or Object Display for presentation of some custom status.
Regards
Peter
Answered 5 months ago
Answers
0
Hello,
Pin 19 is not a hidden pin, this pi (19) used in AIC / DIC to write. These AIC / DIC are internal tag / variables to store the information in database.
Pin 19 is called as "CALCULATED VALUE ". While using AIC / DIC in your application you need to write the information on pin 19 ( Calculated Value).
For read the information you need to use pin called " VALUE"
IN DOC there is no pin 19.
Pin 19 is not a hidden pin, this pi (19) used in AIC / DIC to write. These AIC / DIC are internal tag / variables to store the information in database.
Pin 19 is called as "CALCULATED VALUE ". While using AIC / DIC in your application you need to write the information on pin 19 ( Calculated Value).
For read the information you need to use pin called " VALUE"
IN DOC there is no pin 19.
Answered 5 months ago
0
Hi,
I agree with Peter Lidskog. With reference to ABB Lazydog AC450 document, which contains list of so-called "DB hidden terminals", DOC pin 19 is USER_DEF_1 . DOC:19 is included in 32 bit STATUS word in bit16 (bits counted 1-32), STATUS word is available in DO Control connection and may be used in 800xA graphics. There are also next 4 USER_DEF bits linked to bits 28-31 in STATUS word.
The aim of using hidden terminals in unix station AS500 was functionality extension of standard graphic libraries. For example in AS500 graphic element rspDOButton pin19 is used as feedback from PC program to HMI that control object is ON after button pressing. Button color is linked to DOC:19 feedback from PC program. Note that DOC:19 may have different meaning in other graphic element types. Therefore AS500 graphic elements migration is very challenging to reproduce functionality of RMC or Pulp and Paper graphic libraries.
I agree with Peter Lidskog. With reference to ABB Lazydog AC450 document, which contains list of so-called "DB hidden terminals", DOC pin 19 is USER_DEF_1 . DOC:19 is included in 32 bit STATUS word in bit16 (bits counted 1-32), STATUS word is available in DO Control connection and may be used in 800xA graphics. There are also next 4 USER_DEF bits linked to bits 28-31 in STATUS word.
The aim of using hidden terminals in unix station AS500 was functionality extension of standard graphic libraries. For example in AS500 graphic element rspDOButton pin19 is used as feedback from PC program to HMI that control object is ON after button pressing. Button color is linked to DOC:19 feedback from PC program. Note that DOC:19 may have different meaning in other graphic element types. Therefore AS500 graphic elements migration is very challenging to reproduce functionality of RMC or Pulp and Paper graphic libraries.
Answered 5 months ago
0
Hi,
Terminal 19 is used to connect the feedback sensor.
For example, if you use the DOC for manage an electrovalve, you should connect the order to the terminal "VALUE" and the limit switch (assuming you have it) to the terminal 19.
If VALUE and terminal 19 have different values, the indication in the HMI will blink.
Best regards,
Terminal 19 is used to connect the feedback sensor.
For example, if you use the DOC for manage an electrovalve, you should connect the order to the terminal "VALUE" and the limit switch (assuming you have it) to the terminal 19.
If VALUE and terminal 19 have different values, the indication in the HMI will blink.
Best regards,
Answered 5 months ago
Add new comment