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Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual User Manual

Page 154

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Publication 1797-6.5.3 - March 2006

C-6 Additional HART Protocol Information

Table C.4 HART Field Device Error Codes

Bit

Error Code

Description

7

Field device malfunction

An internal hardware error or failure has been
detected by the HART field device.

6

Configuration changed

A write or set command has been executed by
the HART field device.

5

Cold start

Power has been removed and reapplied,
resulting in the reinstallation of the setup
information. The first HART command to
recognize this condition automatically resets
this flag. This flag may also be set following a
master reset or self test.

4

More status available

More status information is available and can be
read using command #48. Read additional status
information.

3

Primary variable analog
output fixed

The analog and digital outputs for the primary
variable are held at their requested value. They
will not respond to the applied process.

2

Primary variable analog
output saturated

The analog and digital outputs for the primary
variables are beyond their limits and no longer
represent the true applied process.

1

Non-primary variable out of
limits

The process applied to a sensor, other than that
of the primary variable, is beyond the operating
limits of the device. To identify the variable, use
command #48, read additional status
information.

0

Primary variable out of limits The process applied to the sensor for the

primary variable is beyond the operating limits
of the device.

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