Rockwell-automation 1794-OF8IH FLEX I/0 8 Isolated Output Analog Modul Uživatelský manuál stáhnout pdf (Strana 23)

FLEX I/O Isolated Output HART Analog Module 23

Publication

1794-IN120C-EN-P - April 2009

Status Indicator

The OK status indicator is bicolor, red, and green. The indicator

flashes green for these reasons:

• The module configuration word is zero (for example,

powerup reset condition).

• The 24V DC user power is off.

• The module is in Configuration mode.

The indicator displays red to indicate the module did not pass the

initial hardware test. Recycle power in response to this display.

After powerup, if the status indicator is not flashing green or solid

green, recycle module power to verify a proper reset of the bus

interface.

Specifications

FLEX I/O Isolated Output Analog Module - 1794-OF8IH

Attribute Value

Number of outputs 8 isolated

Module base Catalog numbers 1794-TB3, 1794-TB3S

Resolution 16 bits - unipolar

Current 0.305 µA/cnt unipolar

Data format

Engineering Units

(3)

Percent of Full Scale

RAW/Proportional Count

Update rate 10 ms

Output current terminal 4…20 mA (user configurable)

0…20 mA (user configurable)

Settling Time 70 ms, 0…99.9%

Load resistance 0 Ω… 750 Ω standard

Load reactance, max 10 µH

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Rockwell-automation 1794-OF8IH FLEX I/0 8 Isolated Output Analog Modul Uživatelský manuál Strana 23