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Installation
MN05013005E
68
Parallel connection:
Up to four outputs can be connected in parallel in order to
increase the power. The output current will increase in this
case to a maximum of 2 A.
If inductive loads are not suppressed, the following applies:
Several inductive loads should not be switched off
simultaneously to avoid overheating the driver blocks in the
worst possible case. If in the event of an emergency stop the
+24 V DC power supply is to be switched off by means of a
contact, and if this would mean switching off more than one
controlled output with an inductive load, then you must
provide suppressor circuits for these loads (
J
following
diagrams).
Figure 52: Inductivity with suppressor circuit
Caution!
Outputs may only be connected in parallel within a group
(Q1 to Q4 or Q5 to Q8, S1 to S4 or S5 to S8), such as Q1
and Q3 or Q5, Q7 and Q8. Outputs connected in parallel
must be switched at the same time.
Caution!
Please note the following when switching off inductive
loads:
Suppressed inductive loads cause less interference in the
entire electrical system. For optimum suppression the
suppressor circuits are best connected directly in the
proximity of the inductive load.
+ 24 V
H
Q., S.
U
emax <
U
Z < 33 V
0 V
H
Q., S.
