Engineering
26
02/98 AWB 27-1314-GB
The LE 4 is provided with two pairs of terminals ASi+
and ASi– which are connected internally as shown in
the figure below. Connect the ASi cable from the ASi
power supply to one pair of terminals and connect
the cable leading to the other ASi devices to the
other pair of terminals.
Figure 9: Connecting to the power supply
Wiring
The following figure shows an example of wiring up
the LE 4-505-BS1.
햲
Miniature circuit-breaker
햳
To further ASi devices
햴
Reference ground for the digital I/O’s
햵
Power feed for the digital O’s
햶
Top-hat rail is grounded to the galvanized steel
mounting plate over a large area to ensure a low-
impedance connection; protect the connection against
corrosion.
햷
Power supply circuit breaker
ASi+
LE 4-505-BS1
ASi+
ASi–
ASi+
ASi–
ASi–
ASi power
supply
Further
ASi devices
ASi two-core
flat cable
H1314G.BK Seite 26 Freitag, 2. Juli 1999 9:02 09
Summary of Contents for LE 4-505-BS1
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