Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Manual do Utilizador descarregar pdf (Página 69)

Publication 1794-UM065B-EN-E - September 2010

1794-IF8IH and 1794-OF8IH Configuration 57

Third HART Variable Units Code (8 of 8 bits):

This is the units code for the Third HART Variable.

Fourth HART Variable Units Code (8 of 8 bits):

This is the units code for the Fourth HART Variable.

Interpret the Status

Indicators

The module has a single Red & Green indicator for global module

status/power indication. A single bi-color indicator displays the module status

as indicated below.

Module Configuration for

the 1794-OF8IH

Output Connections

This module uses the 1794-TB3, Revision B terminal base for full isolation.

Connect the I+ output to the terminal contacts indicated and the

corresponding center return (R) contact. Be sure to observe the polarity

indicated for proper operation. Channels are numbered in order, 0 through 7,

from left to right.

Module Status Indicators

Module

State

Condition PU Bit Prog/Run bit Fault bit LED Color and

State

New Power up initialized complete and passed Self-Test.

Loads stored configuration, if it exists. Read Module

Information Block.

(1)

(2)

* * Red, blink

No Config Module has not received configuration from Master.

It can Set and Get attributes.

0 * * Green, blink

Idle Controller in Program mode.

Communications normal

1 0 1 Green, blink

Active Controller in Run mode & Communication Is normal 1 1 1 Green, solid

Fault FLEX I/O Comm. Fault or PU bit is one and /Fault=0 * * 0 Green, blink

Fatal fault Module fails self tests or detects illegal state

transition

* * * Red, solid

Off External power has not been applied. Off

(1)

The status bits in the table correspond to module status bits available in the module status word.

(2)

Bit state flagged as '*' depends on the state transition.

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 163 164

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