Rockwell-automation 2706-DXX Dataliner Message Display DL5 Series Manual de usuario Pagina 61

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2706-UM001A-US-P
Using the Parallel Port 7-11
Using DC Outputs to Trigger the
DL5
There are two types of DC outputs:
Hard contact outputs
Hard contact outputs contain mechanically operated contacts. Examples
of hard contact outputs include relays, push buttons, limit switches, and
contact output modules such as Allen-Bradleys PLC module (Catalog
No. 1771-OW) or SLC module (Catalog No. 1746-OW16). Any contact
that does not have a leakage current while in the OFF state can be
considered a hard contact device.
Solid-state DC outputs
Solid-state outputs do not have any mechanically operated contacts. All
switching functions in a solid-state contact are done electronically.
Examples are:
PLC Modules
Catalog No. 1771-OB or -OBD
SLC Modules
Catalog No. 1746-OV8, -OV16, -OV32
Catalog No. 1746-OB8, -OB16, -OB32
Catalog No. 1746-OG16
The figure below illustrates how DC outputs can be used to trigger the DL5.
Connecting DC Outputs to the DL5 Data Lines
COM
DC Power
Supply
-
+
DL5 Terminals
D0 D1 D2 D3 D15
Controlling
Device
Contacts
TB2-1
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