Guidelines for Station Planning
D301087 0308 - BL20 CANopen6-16
Plugging and Pulling Electronics Modules
BL20 enables the pulling and plugging of electronics modules
without having to disconnect the field wiring. The BL20 station
remains in operation if an electronics module is pulled. The voltage
and current supplies as well as the protective earth connections are
not interrupted.
Attention
If the field and system supplies remain connected when electronics
modules are plugged or pulled, short interruptions to the module
bus communications can occur in the BL20 station. This can lead to
undefined statuses of individual inputs and outputs of different
modules.
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