Skip to Content

Register Login

Industry Online Support

Technical Forum

Navigation

Can i use one safety output to control two valves at the same time?

Created by: winterwang at: 1/21/2016 8:48 AM (8 Replies)

Rating (0)

Thanks 0

9 Entries

1/21/2016 8:48 AM	Rate (0)
winterwang Posts: 291 Rating: (1)	Hello experts Can i use one safety output to control two valves at the same time ? the order number of the output number is 6ES7138-4FB03-0AB0 i check the output current is 2A. and the each valve need 1.15A. Can i connect the wires like the picture? Attachment safety output.jpg (106 Downloads)
winterwang Posts: 291 Rating: (1)	Last edited by: winterwang at: 1/21/2016 8:50:37 AM
Suggestion To thank Quote Answer

1/21/2016 9:15 AM	Rate (0)
mopS04 Platinum Expert Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating: (1054)	hi winterwang, generally it works to connect two valves with one F-DO. But the current you mentioned is to high. 1.15A per valve would be 2.3A with both. That is too much. regards,
	FCK WAR! Be nice!
Suggestion To thank Quote Answer

1/21/2016 9:18 AM	Rate (0)
winterwang Posts: 291 Rating: (1)	mopS04 hi winterwang, generally it works to connect two valves with one F-DO. But the current you mentioned is to high. 1.15A per valve would be 2.3A with both. That is too much. regards, Yes , i know the current is a little high... I saw the manual , it says: the normal current is 2A, and the max. is 2.4 A.
winterwang Posts: 291 Rating: (1)
Suggestion To thank Quote Answer

1/21/2016 10:03 AM	Rate (0)
mopS04 Platinum Expert Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating: (1054)	ah, okay, so have a try! paralell switching is also mentioned in the manual, page 194 SIMATIC Dezentrale Peripherie F-Technik Dezentrales Peripheriesystem ET 200S hope this helps, regards,
	FCK WAR! Be nice!
Suggestion To thank Quote Answer

3/10/2016 7:35 AM	Rate (0)
Saeed Bahadori Posts: 63 Rating: (8)	its better use it by a realy in your cabinet
Saeed Bahadori Posts: 63 Rating: (8)
Suggestion To thank Quote Answer

3/10/2016 9:55 AM	Rate (0)
IBN-Service Posts: 8946 Rating: (999)	Saeed Bahadori its better use it by a realy in your cabinet WATCH IT! If it is a safety Output, any relay needs (according to safety level) a monitoring! So you will need additional Inputs and software for any relay!
IBN-Service Posts: 8946 Rating: (999)
Suggestion To thank Quote Answer

3/11/2016 4:09 PM	Rate (0)
Saeed Bahadori Posts: 63 Rating: (8)	IBN-Service Saeed Bahadori its better use it by a realy in your cabinet WATCH IT! If it is a safety Output, any relay needs (according to safety level) a monitoring! So you will need additional Inputs and software for any relay! ok i didnt notice it is a safty.
Saeed Bahadori Posts: 63 Rating: (8)
Suggestion To thank Quote Answer

3/11/2016 5:22 PM	Rate (0)
IBN-Service Posts: 8946 Rating: (999)	Saeed Bahadori ok i didnt notice it is a safty. That is the reason why I always say: Read the question first before you try to answer.
IBN-Service Posts: 8946 Rating: (999)
Suggestion To thank Quote Answer

3/11/2016 8:05 PM	Rate (0)
Marko Bursic Platinum Member Joined: 9/8/2009 Last visit: 7/17/2023 Posts: 1410 Rating: (152)	You can use 1F-RO, and wire each valve at it's own output, or use two outputs separately. As those valves will be connected in series it is enough safe, or you might want to use a feedback from valve, in this case you have to install proximity senzor at each valve and then use as feedabck like any other contactor.

Suggestion To thank Quote Answer

|

Share this page:

Share this page on...

Follow us on