Disabling The Transmitter Magnetic Pushbuttons And Write Protection - Siemens 7MF4033 series User Manual

On-Line Operation

6.4.9 Disabling the Transmitter Magnetic Pushbuttons and Write Protection

The table below correlates a symbol that appears in the lower left quadrant of the transmitter display with
the type of pushbutton disabling.
TABLE 6-4 Pushbutton and Function Disable Options
Symbol Explanation
no symbol No disable.
LA Transmitter magnetic pushbuttons disabled; operation via HART is enabled. At the
transmitter, press the M pushbutton for 5 or more seconds to release.
LO Zero can be set; all other functions are disabled. At the transmitter, press the M
pushbutton for 5 or more seconds to release.
LS Only zero and full scale can be set (see Section 6.3); all other functions are disabled. At
the transmitter, press the M pushbutton for 5 or more seconds to release.
L Write protect enabled; operation by HART disabled. At the transmitter, press the M
pushbutton for 5 or more seconds to release.
LL Input pushbuttons fully disabled. The disable can be released only via HART.
Magnetic pushbuttons operation is as described in Section 6.3 when option LS or LO is active. LL is a
pushbutton disable that is available in HART.
To select a disable option or to disable a previous selection:
1. In the Online menu, press 3 Device Setup.
2. In the Device Setup menu, press 2 Diag/Service.
3. In the Diag/Service menu, press 3 Control Modes.
4. In the Control Modes menu, press 1 Local Keys Control Mode. The following options appear:
•
Enabled (transmitter magnetic pushbuttons is fully enabled)
•
Disabled (local reset) LA
•
Zero only enabled LO
•
Zero and Span enabled LS
•
Disabled (HART) LL
5. Cursor to the desired selection; press ENTER to save the selection and return to the previous menu.
6. Press SEND to immediately send the selection to the transmitter. Confirm the selection by noting the
2-letter display in the lower left of the transmitter's display.
To select write protection:
1. In the Online menu, press 3 Device Setup.
2. In the Device Setup menu, press 2 Diag/Service.
3. In the Diag/Service menu, press 3 Control Modes.
4. In the Control Modes menu, press 3 Set Write Protect.
5. In the Protection menu, press either 1 No or 2 Yes. Press ENTER to save the selection and return to
the previous menu. Press ABORT to return to the previous menu without saving any changes.
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UMSITRPDS3-1
November 2005