Rockwell-automation T7411 ICS Regent+Plus Monitored Digital Input Modu Instrukcja Użytkownika Pobierz pdf (Strona 2)

Monitored Digital Input Modules

(T741

Industrial Control Services

The module requires connection to a field power supply

voltage, ranging from 15 to 80 VDC. This field power is

internally regulated by the module to 24 VDC to power the

field inputs

—

providing safe, low

voltage inputs signals

common in safety system applications.

Module Operation

A block diagram of a typical monitored digital input module is

shown in Figure

Figure

. Block Diagram of the Monitored Digital Input Module.

A field power supply is connected to the monitored input

module. The field power is internally regulated to 24 Vdc to

power the input module’s field interface circuits. For each

input ci

rcuit, the regulated power passes through an internal

dropping resistor to the input screw terminal which is wired to

the field input switch. The other side of the field switch is

1 2 3 4 5 6 7 ... 22 23

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Rockwell-automation T7411 ICS Regent+Plus Monitored Digital Input Modu Instrukcja Użytkownika Strona 2