Hello All
On a wire machine use 4 stands, coiler and decoiler
St4 which is last are master. Run with Line speed
Other stands runing with Line speed and +/- 20% dancers with pid.
I have use standart siemend FB41 pid block.
Line sepeed up to 250 m/min all ok. when rich that speed Stand1 dancer start osilation.
Ob35 is 100ms and cycle of fb41 sare 100ms.
i use PI control. P gair are -1.5
any idea for solve my problem?
Best regards
nec
On a wire machine use 4 stands, coiler and decoiler
St4 which is last are master. Run with Line speed
Other stands runing with Line speed and +/- 20% dancers with pid.
I have use standart siemend FB41 pid block.
Line sepeed up to 250 m/min all ok. when rich that speed Stand1 dancer start osilation.
Ob35 is 100ms and cycle of fb41 sare 100ms.
i use PI control. P gair are -1.5
any idea for solve my problem?
Best regards
nec