GE Masoneilan 12420 Instruction Manual & Safety Manual page 23

6.1.4.5. 4-20mA GENERATOR Menu (Appendix E)
This menu enables generation of a loop current to a defined value independently of true level measurement. This function is of
help to set another instrument (such a positioner) in series in the loop, by generating the required output current.
6.1.4.6. AUTOMATIC TUNING Menu (Appendix E)
This menu enables to automatic tuning of the smart filtering parameters.
6.1.4.7. FAILSAFE Menu (Appendix G)
This menu is available only when the instrument failed and went to FAILSAFE mode. Then, the output signal is locked in low or
high failsafe value (see Advanced Setup menu).
This menu allows the user to:
♦ Enter SETUP menu to change any parameter.
♦ Come back to normal operating mode: display in sequence of level variable and output current.
♦ Perform a reset of the instrument.
♦ Access VIEW DATA menu (Appendix F) where the user can READ ONLY all current configuration, calibration and diagnostics
data saved in the instrument.
♦ View all faults which have occurred since the last fault clear with VIEW ERROR menu (Appendix G).
♦ Clear all faults with CLEAR FAULT function (Appendix G).
® 2014 General Electric Company. All rights reserved. Masoneilan 12400 Series Transmitter/Controller Instruction Manual | 21