X-DO 32 01
4 Start-up
HI 801 097 E Rev. 4.00
Page 41 of 52
4.5.3 Redundant
Wiring of Actuators
When actuators are redundantly wired, the general requirements for line monitoring must
be observed, see Chapter 4.3.
Actuators
Figure 14:
Redundant Wiring of Actuators
i
The wiring described above is only allowed if both channels have identical channel
numbers.
4.5.4
Wiring Inductive Loads
When connecting inductive loads, a protective circuit (such as free-wheeling diode or
varistor) must be connected in parallel to the load.
DO1+
DO1-
U
Inductive Load with Protective Circuits
Figure 15:
Wiring Inductive Loads