Guidelines for Station Planning
D301087 0308 - BL20 CANopen6-4
Further limitations can be placed on the maximum possible number
of BL20 modules by the use of the Power Feeding modules BL20-
PF-24VDC-D or BL20-PF-120/230VAC-D; these being used either
for creating potential groups or by insufficient field supply.
Attention
Ensure that a sufficient number of Power Feeding or Bus Refreshing
modules are used if the system is extended to its maximum.
Note
If the system limits are exceeded, the software I/O-ASSISTANT gen-
erates an error message when the user activates the "Station → Ver-
ify" command.
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