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Important
The HART security switch does not affect Modbus communications.
CAUTION!
If the transmitter is in a hazardous area, do not remove the housing cover while power is being
supplied to the unit. Removing the housing cover while power is supplied to the unit could
cause an explosion. To access the HART security switch in a hazardous environment, be sure to
remove power from the transmitter before removing the housing cover and setting the HART
security switch.
Procedure
1. Remove power from the transmitter.
2. Remove the transmitter housing cover.
3. Move the HART security switch to the desired position.
HART security switch (on blank display)Figure 7-1:
A
B
A. HART security switch
B. Unused
4. Replace the transmitter housing cover.
5. Restore power to the transmitter.
7.3
Enable write-protection on the transmitter
configuration
Display OFF-LINE MAINT > CONFIG > LOCK
ProLink II ProLink > Configuration > Device > Enable Write Protection
Field Communicator Configure > Manual Setup > Info Parameters > Transmitter Info > Write Protect
Completing the configuration
126 Micro Motion
®
9739 MVD Transmitters