Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in

Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by TRWServices

Need input on SLC500 Prog

Can you expand on the sequencer logic... I've never used it, thought about it just never worked it out.
- TRWServices
- Post #4
- Sep 12, 2005
- Forum: Programmable logic controllers (PLC)
Need input on SLC500 Prog

I have an application where I need to add a cylinder that constantly goes back and forth to divert product, but uses no prox switches, only time base. I thought about just using a timer then latching and unlatching it with a second timer, each done bit firing opposing sides of the cylinder air...
- TRWServices
- Thread
- Sep 10, 2005
- Replies: 9
- Forum: Programmable logic controllers (PLC)
dual motors with programmable logic controller

The technical answer for that would be, with a handle like "357MAGNUM" he would be USA.
- TRWServices
- Post #4
- Sep 10, 2005
- Forum: Programmable logic controllers (PLC)
24VDC power for 4-20ma loop controll

Some 4-20 mA loops are powered from your PLC card, some are externally powered, in any case they should not be "GROUNDED" they would be what you are thinking of as a floating common. If you set your multimeter to read mA, and connect one lead to the 24VDC positive then the other lead to the PH...
- TRWServices
- Post #3
- Sep 10, 2005
- Forum: Programmable logic controllers (PLC)

Part and Inventory Search

Top Bottom