Yokogawa RAMC User Manual

Page 57

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<7. HART-COMMUNICATION>

7-9

IM 01R01B02-00E-E 10th edition January 01, 2013 -00

All Rights Reserved. Copyright © 2003, Rota Yokogawa

Type:

The information will be divided into errors and warnings.

Current:

An error will change the output current to the selected error current level.

The level is selectable by „Alarm select” in HART (default: LOW)!

Bars:

All 8 bars are blinking in case of an error or warning.

Self test:

Only the checked errors will be treated by the self test function.

HHT275:

The marked errors/warnings are displayed on the HHT275.

Reset:

The indicated error/warning can be reset or disabled by the listed operation.

1):

On every Power Up, this warning occurs; it is NOT SHOWN ON DISPLAY.

2):

If this function is active, the bars are NOT BLINKING ON DISPLAY.

Device setup
Diag/Service
Test

device

Reset

all

errors

Reset all errors and warnings

Device setup
Diag/Service
Test

device

Self

test

Execute a self test to find existing errors.

Device setup
Diag/Service
Test

device

Master

reset

Execute master reset. All parameters are set to default.

Device setup
Diag/Service
Loop

Test

Set the analogue output fix to 4mA, 20mA or arbitrary current.

Finish with ´End´.

Device setup
Diag/Service
Calibration

Apply URV/LRV

4mA

Assignment

of

4mA

Set as 4mA value: Current flow is set to 4mA.

Read new value: Read current flow for 4mA.

Leave as found: No change

20mA

Assignment

of

20mA

Set as 20mA value: Current flow is set to 20mA.

Read new value: Read current flow for 20mA.

Leave as found: No change

Exit

Leave parameter

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