Allen-Bradley 1794-IE8H Especificaciones descargar pdf (Pagina 21)

FLEX I/O 8 Input HART Analog Module 21

Publication

1794-IN108D-EN-P - January 2014

HART Input Data descriptions

CHn: HART Communication Status 0: HART CMD3

Communication Disabled or

No Error

1: HART CMD3

Communication

Error between

Adapter & Module

CHn: HART Comm Status (HART CMD3

Response first status byte):

Refer to User Manual

CHn: HART Field Device Status (HART

CMD3 Response second status byte):

Refer to User Manual

Chn: HART Loop Status:

Bit 0: HART enable

Bit 1: Device Connected

Bit 2: Response Error

Bit 3: CMD 48 Update

Bit 4: HART Loop Tolerance Error

Bit 5: HART Update

Bit 6: HART message

Bit 7:

0: Disabled

0: Not Connected

0: No HART message

failure

0: CMD 48 not

updated

0: No HART Current

Fault

0: HART Device

information not

updated

0: No new message

1: Enabled

1: Connected

1: Response ended in error

1: CMD 48 updated

1:HART Current Fault

1: HART Device information

updated since last read

1: HART user message

queue has completed a

message

Reserved

Where PVA = The primary variable for this channel has been acquired.

SVA = The secondary variable for this channel has been acquired.

TVA = The tertiary variable for this channel has been acquired.

FVA = The fourth (quaternary) variable for this channel has been acquired.

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Allen-Bradley 1794-IE8H Especificaciones Pagina 21

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