KROHNE SU 501 EX EN - Manual (Page 9)

4 Mounting
4.1 General instructions
SU 501 Ex signal conditioning instrument with plug-in socket
for mounting on carrier rail acc. to EN 50022.
The front plate of SU 501 Ex can be provided with a lockable
transparent cover to protect the instrument against unautho-
rised adjustment. See the following figure for how to remove
the transparent cover.
Fig. 2: Removing the transparent cover
4.2 Mounting information
The plug-in socket is constructed for carrier rail mounting acc.
to EN 50022. Power supply is connected to terminals 9 and 10.
For neighbouring signal conditioning instruments, it is possible
to continue connection L1 and N directly via the supplied
bridges.
Danger:
The bridges must never be used with single instruments or at
the end of a row of instruments. If this rule is not heeded, there
is a danger of coming into contact with the operating voltage or
causing a short circuit.
Installation location
Transparent cover
Mounting
SU 501 Ex - Signal conditioning instrument 9
Mounting
27953
-EN
-050616