Hart Write Protection - Siemens SITRANS TW 7NG3242 Betriebsanleitung

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
Figure 7
NOTE
Switching from the current output to voltage output and vice versa does not affect
the accuracy of the output stage.
3.5.4

HART write protection

Parameterization of the transmitter can be prevented by plugging in the bridge X9
(figure 7, page 93).
plug-in jumper
SITRANS TW
A5E00054075-05
X6
Hardware options of the SITRANS TW, 4-wire mounting rail device
X9
X7 X8
write protection on
closed
Hardware functions
X9
write protection off
open (as-delivered state)
93