Справочник Пользователя для Siemens LR 460
Page 66
SITRANS LR 460 – INSTRUCTION MANUAL
7ML19985JM01
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4.3.4. Min Limit
The mA value to correspond with 4.1.7.1. Lower Value .
4.3.5. Max Limit
The mA value to correspond with 4.1.7.2. Upper Value .
4.3.6. FS Mode
The mA value to be output in the event of a fault or failure.
4.3.7. FS Value
A user-defined mA value to be reported when the Fail-safe timer expires.
4.3.8. 4 mA Trim
Calibrates the 4 mA output.
to MANUAL mode.
to 4 mA.
c. Attach a calibrated meter and check the output at the terminals. Record the
remote reading in mA.
.
e. Restore
to its previous setting.
f. Confirm that the mA output is as expected.
Values
Range:
Default: 3.8 mA
Default: 3.8 mA
Values
Range:
Default: 20.5 mA
Default: 20.5 mA
Options
mA HOLD
* Level remains at last reading.
mA SET
mA HIGH
Use Max Limit as material level.
mA LOW
Use Min Limit as material level.
Values
Range: 3.5 to 20.5 mA
Default: 3.5 mA
Default: 3.5 mA
Values
Range: 2.0 to 6.0 mA
Related parame-
ters
ters
A mA value derived from the ratio of current level to the range
between Lower Value and Upper Value.