Instruction manual

SITRANS TW
A5E00054075-05
91
Hardware functions
3.5 Hardware modification
3.5.1 Opening and closing the transmitter
Switch off the power supply. Pull out the screw-type connector (1-4, figure 2,
page 83). Re lease the DINrail adapter (3, figure 3, page 84) by pressing the locking
catch (4, figure 3, page 84) and pushing to the side. Pull out the transparent cover
for the type plate with the operating data as described in chapter 3.5.2, page 92.
Release the front of the housing (2, figure 3, page 84), pull off the front and pull out
the module.
The transmitter is closed in reverse order. You must ensure that the housing is
sealed properly and the panel snaps in place. No conductive parts may be left loose
inside the device.
WARNING
The module contains components which are vulnerable to static. Observe the
safety precautions!
ATTENTION
Hardware parameterizations on the device must be documented on the hardware
rating plate with a waterproof and smear-proof felt-tipped pen. The hardware
rating plate is located under the replaceable rating plate with the operating data.
WARNING
Only hardware modifications may be made which are also described in the
following chapters. Otherwise Ex devices lose their Ex license.