Confused about sinking and sourcing in DC circuits?
Want to find out which digital output module to use in a DC circuit?
Manufacturers label their DC outputs in different ways. This new animated demo defines sinking and sourcing and shows you which type of Opto 22 output module to use, depending on your application.
NOTE: Here's a follow-up blog post that helps answer the questions in the comments, below.
And here's a quick technical note that may help, too.
Once you've figured out whether you need a sinking or sourcing output module, you'll find we have plenty of guaranteed-for-life SNAP I/O DC outputs. Here are some for sinking:
- 4 points, 5-60 VDC sinking, lifetime warranty—SNAP-ODC5SNK
- 4 points, 5-200 VDC sinking, lifetime warranty—SNAP-ODC5ASNK
- 32 points, 5-60 VDC sinking, lifetime warranty—SNAP-ODC-32-SNK
- 4 points, 5-60 VDC sourcing, lifetime warranty—SNAP-ODC5SRC
- 32 points, 5-60 VDC sourcing, lifetime warranty—SNAP-ODC-32-SRC
- 4 points, 5-60 VDC sinking, lifetime warranty, Factory Mutual approved—SNAP-ODC5SNKFM
- 32 points, 5-60 VDC sinking, lifetime warranty, Factory Mutual approved—SNAP-ODC-32-SNK-FM
- 4 points, 5-60 VDC sourcing, lifetime warranty, Factory Mutual approved—SNAP-ODC5SRCFM
- 32 points, 5-60 VDC sourcing, lifetime warranty, Factory Mutual approved—SNAP-ODC-32-SRC-FM
