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2.5 Optional Write Protect Jumper
Write protect option
The ST 3000 transmitters are available with a “write protect option”. It
consists of a jumper located on the transmitter’s PWA that you can
position to allow read and write access or read only access to the
transmitter’s configuration database. When the jumper is in the read
only position, you can only read/view the transmitter’s configuration
and calibration data. Note that the factory default jumper position is for
read and write access.
There is no need to check the jumper position unless you want to change
it. Refer to the steps in Table 4 to remove the PWA from the transmitter
and Figure 3 to reposition the jumper.
Figure 3 shows the location of the write protect jumper on the PWA for
Release 300 transmitters.
Figure 3 Write Protect Jumper Location and Selections.
Failsafe
Direction
Jumper
Meter
Connector
Power
Connector
W
R
Read and
Write
Read Only
2/05 ST 3000 Release 300 Installation Guide
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