Table 17 - Fieldbus Simulation And Write Protect Jumpers - Honeywell ST 800 User Manual

Table 17 – Fieldbus Simulation and Write Protect Jumpers
1. Turn OFF Transmitter power (Power removal is only required in accordance with
area safety approvals. Power removal is only required in Class 1 Div 1
Explosionproof and Class 1 Div 2 environments).
2. Loosen the end cap lock, and unscrew the end cap from the electronics side of the
Transmitter housing.
3. If equipped with a Display module, carefully depress the two tabs on the sides of the
Display Module, and pull it off.
4. If necessary, unplug the interface connector from the Communication module. Do not
discard the connector.
5. Set the Failsafe Jumper (top jumper) to the desired position (UP or DOWN).
See Table 16 and Table 17 for jumper positioning.
6. If applicable, re-install the Display module as follows:



NOTE: Installing a Display Module into a powered transmitter may cause a temporary upset
to the loop output value.
Orient the Display for proper viewing through the end cap window.
You can rotate the meter mounting orientation in 90
7. Restore transmitter power if removed.
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Fieldbus Simulation Mode = OFF
Write Protect = OFF (Not Protected)
Fieldbus Simulation Mode = OFF
Write Protect = ON (Protected)
Fieldbus SIM Mode = ON
Write Protect = OFF (Not Protected)
Orient the display as desired.
Install the Interface Connector in the Display module such that it will mate
with the socket for the display in the Communication module.
Carefully line up the display, and snap it into place. Verify that the two tabs
on the sides of the display latch.
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