Allen-Bradley 1738-ADNX Manual de usuario Pagina 118

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Publication CIG-WD001B-EN-P - May 2005
11-8 1769 Compact I/O Modules
(1)
(2)
NC
NC
NC
NC
NC
NC
24V dc
IN 5
IN 3
IN 1
DC
COM
IN 4
IN 2
IN 0
L2 or -DC
L1 or +DC
OUT 2
OUT 0
OUT 3
OUT 1
VAC
VDC
CR
CR
CR
CR
Note: Do not use the NC
terminals as connection
points.
+DC (sinking)
-DC (sourcing)
-DC (sinking)
+DC (sourcing)
Surge Suppression - Connecting surge suppressors across your external inductive
load will extend the life of the relay contacts. For additional details, refer to Industrial
Automation Wiring and Grounding Guidelines, Allen-Bradley publication 1770-4.1.
Sinking/Sourcing Inputs - Sourcing/sinking describes the current flow between the
I/O module and the field device. Sourcing input circuits supply (source) current to
sinking field devices. Sinking input circuits are driven by a current sourcing field device.
Europe: DC sinking input and sourcing output module circuits are the commonly used options.
1769-IQ6XOW4
1769-IQ32T
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