Electro Cam PS-4456 Absolute Gray Code Encoder - Manual (Page 7)

† SINKING or SOURCING (as pertaining to Electro Cam Corp. products)
Sinking means that when the logic is true and the output (or input device) is ON, the output (or input device) is providing a DC
common or ground to the connected device.
Sourcing means that when the logic is true and the output (or input device) is ON, the output (or input device) is providing a +DC
voltage to the connected device.
This information is important when interfacing an Electro Cam Corp. product with another electronic device. If you are using an
Electro Cam Corp. product input to an Allen-Bradley 1746-IN16 “sinking” input card* or similar A-B device, you have to supply a +DC
voltage (Electro Cam Corp.
Sourcing output) to this card, NOT a DC common or ground. In these cases, Sinking is what the card
does with the input voltage; sinks it to common or ground.
* Other manufacturers include, but not limited to: Koyo (formerly GE Series 1, Texas Instruments, or Siemens SIMATIC PLS’s) that use descriptions
similar to Allen-Bradley.
Encoder Part Numbers
Accessories
PS - 4300 - 03 - XXX (XXX = Length in Feet): 10 Conductor #22 gauge shielded (foil and braid) cable for use with encoders. Cut to
specified length, stripped, tinned, connectors attached to shield.
EC - 8001 - XXX - XXX (X's for pitch and # of teeth): Sprocket disengagement clutch allows encoder to be rotated without turning the
chain which drives the encoder. Call for more information.
NEMA
1000 RPM MAX 2000 RPM MAX Output Type Rating
PS - 4256 - 12 - DDP PS - 4257 - 12 - DDP Sourcing † 12
PS - 4256 - 12 - DDN PS - 4257 - 12 - DDN Sinking † (Low True)* 12
PS - 4256 - 12 - DDH PS - 4257 - 12 - DDH Sinking † (High True)* 12
PS - 4456 - 12 - DDP PS - 4457 - 12 - DDP Sourcing † 4X
PS - 4456 - 12 - DDN PS - 4457 - 12 - DDN Sinking † (Low True)* 4X
PS - 4456 - 12 - DDH PS - 4457 - 12 - DDH Sinking † (High True)* 4X
* High True = Current Flow
Low True = No Current Flow
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