Mounting and wiring
KL6771
20
Version: 2.0.0
3.5
MP-Bus cabling
WARNING
Risk of injury through electric shock and damage to the device!
Bring the Bus Terminals system into a safe, de-energized state before starting mounting,
disassembly or wiring of the Bus Terminals!
Maximum MP-bus length
The maximum cable length is obtained by considering the following points:
• The total of the power figures for all the connected bus devices
• Wire cross-section
• AC (from firmware version B3) or DC
Operation of MP-bus slaves (actuators) with DC power supply
Fig. 12: Operation of MP-bus slaves (actuators) with DC power supply
Operation of MP-bus slaves (actuators) with AC power supply
(from firmware version B3)
Fig. 13: Operation of MP-bus slaves (actuators) with AC power supply
The upper power supply unit supplies the actuators with AC voltage.
The lower power supply unit supplies the MP-bus master terminal (via the power contacts of the BK, BC, BX
or CX).
