turck BL20 - Jumpers

D301087 0308 - BL20 CANopen 1-13
BL20 Components
1
Jumpers
Jumpers (QVRs) are used to bridge a connection level of a 4-wire
base module. They can be used to connect potentials in relay
modules (bridging the relay roots); thus considerably reducing the
amount of wiring.
Figure 11:
Jumpers