Instruction manual

SITRANS TW
A5E00054075-05
93
Hardware functions
Figure 7 Hardware options of the SITRANS TW, 4-wire mounting rail device
3.5.4 HART write protection
Parameterization of the transmitter can be prevented by plugging in the bridge X9
(figure 7, page 93).
NOTE
Switching from the current output to voltage output and vice versa does not affect
the accuracy of the output stage.
plug-in jumper write protection on write protection off
X9 closed open (as-delivered state)
X6 plug-in jumper for output type (current or voltage)
(X6 may also be a bent plug-in jumper in some versions of the device)
X7 plug-in jumper for output type (current or voltage)
X8 plug-in jumper for output type (current or voltage)
X9 plug-in jumper for HART write protection
X6 X7 X8 X9