Rockwell-automation 1790D-XXXX DeviceNet Digital Base D-Shell Module C Manual de usuario descargar pdf (Pagina 17)

DeviceNet Digital Base D-shell Block CompactBlock LDX I/O 17

Publication

1790-IN013A-EN-P - September 2006

All digital-expansion inputs produce data of 0 if the expansion cable

is removed. No status is in the default produced assembly. Attribute

101 in the identity object reports module faults.

If no faults are present, an explicit message GET command returns 0.

If the ribbon cable is disconnected, it returns 0x04, which is for

module location change. The module LED indicator also flashes

indicating a fault if an expansion is disconnected. Select an alternate

produced assembly that contains the expansion status byte, using the

EDS Properties configuration window.

Specifications

IMPORTANT

Input and output wiring must be in accordance with Class 1, Division 2 wiring

methods and in accordance with the authority having jurisdiction.

1790D-16BVO Universal dc Input Base Block

Attribute Value

Inputs per Module 16 point, sinking or sourcing

On-state Voltage 9.6V dc min, 24V dc nom, 28.8V dc max

Off-state Voltage 5.0V dc max

On-state Current 8 mA max per channel @ 28.8V dc

Input Impedance, Nom 4.8 kΩ

Field Power Dissipation 3.68 W max @ 28.8V dc

Isolation Voltage 50V dc (continuous), reinforced insulation type,

tested at 1250V ac for 60 s, I/O to system

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