AB Quality 1769-IQ16F Handleiding voor installatie-instructies - Pagina 9

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Field Wiring Connections

Grounding the Module

This product is intended to be mounted to a well-grounded mounting surface such

as a metal panel. Additional grounding connections from the module's mounting

tabs or DIN rail (if used), are not required unless the mounting surface cannot be

grounded. Refer to Industrial Automation Wiring and Grounding Guidelines,

Allen-Bradley publication 1770-4.1, for additional information.

Input Wiring

Basic wiring of input devices

ATTENTION

(1)

Sinking/Sourcing Inputs - Sourcing/sinking describes the current flow between the I/O

module and the field device. Sourcing I/O circuits supply (source) current to sinking field

devices. Sinking I/O circuits are driven by a current sourcing field device. Field devices

connected to the negative side (DC Common) of the field power supply are sinking field

devices. Field devices connected to the positive side (+V) of the field supply are sourcing

field devices. Europe: DC sinking input and sourcing output module circuits are the

commonly used options.

Compact 16-point 24V dc Sink/Source High-speed Input Module

(1)

to the 1769-IQ16F is shown below.

Miswiring of the module to an AC power source will damage the

module.

Be careful when stripping wires. Wire fragments that fall into a

module could cause damage at power up. Once wiring is

complete, ensure the module is free of all metal fragments.

+DC (sinking)

-DC (sourcing)

24V dc

-DC (sinking)

+DC (sourcing)

+DC (sinking)

-DC (sourcing)

IN 0

IN 1

IN 2

IN 3

IN 4

IN 5

IN 6

IN 7

COM 1

-DC (sinking)

+DC (sourcing)

IN 9

IN 8

IN 11

IN 10

IN 13

IN 12

IN 15

IN 14

COM 2

Publication 1769-IN064A-EN-P - April 2003

24V dc