EL3000 CONTINUOUS GAS ANALYZERS | CI/EL3000-EN REV. B 15
Signal lines
Select conductive material which is appropriate for the length of the
lines and the predictable current load.
Notes concerning the cable cross-section for connection of the
I/O modules:
The max. capacity of terminals for stranded wire and solid wire is
1 mm
2
(17 AWG).
The stranded wire can be tinned on the tip or twisted to simplify the
assembly.
When using wire end ferrules, the total cross-section may not be
more than 1 mm
2
, i.e. the cross-section of the stranded wire may not
be more than 0.5 mm
2
. The PZ 6/5 crimping tool of Weidmüller & Co.
must be used for crimping the ferrules.
Max. length of the RS485 leads 1200 m (max. transmission rate
19200 bit/s). Cable type: 3-core twisted-pair cable, cable cross-section
0.25 mm
2
(e.g. Thomas & Betts, Type LiYCY).
Max. length of the RS232 leads 15 m.
Power supply lines
If the supplied mains lead is not used, select conductive material which
is appropriate for the length of the lines and the predictable current
load.
Provide a mains isolator or a switched socket-outlet, in order to be able
to disconnect all the power from the gas analyzer if required.
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