Figure 15 - Locating The Failsafe And Write Protect Jumpers; Table 13 - Hart And De Failsafe And Write Protect Jumpers - Honeywell stt850 SMARTLINE User Manual

Figure 15 – Locating the Failsafe and Write Protect Jumpers
Table 13 – HART and DE Failsafe 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.
Revision 3
Jumper
Arrangements
Failsafe = UP (High)
Write Protect = OFF (Not Protected)
Failsafe = DOWN (Low)
Write Protect = OFF (Not Protected)
Failsafe = UP (High)
Write Protect = ON (Protected)
Failsafe = Down (Low)
Write Protect = On (Protected)
STT850 Temperature Transmitter User's Manual
Description
Page 45