Mitsubishi CRn-500 Series Instruction Manual page 27

Next, connect the cable.
Connect the communication connector of the additional axis interface card (CON1) and the
communication connector of the servo amplifier (CN1A) with the controller-amplifier bus cable.
Feed the cable through the cable exit at the back of the expansion option slot.
" Fig. 5.2.3 Connecting the controller and the servo Amplifier," shows an example of the connection in
which two amplifiers are connected.
For details on the additional axis interface card, see 9.1.2, "Connector Pin CON1 (for the CR1/
CR1B/CR2A/CR2B Controller) of the Additional Axis Interface Card."
Rear of CR2A
Bus cable between
controller and amplifier
To CN1A connector
Fig. 5.2.3 Connecting the controller and the servo amplifier
Be sure to connect the end-terminal connector. If it is not connected, malfunction
CAUTION
may occur.
Fig. 5.2.2 Additional axis interface card general drawing
Rear side cable outlet
Servo amplifier
Bus cable between
controller and amplifier
To CN1B connector To CN1A connector
CON1 connector
RTBUS connector
Rear of CR2A controller
Servo amplifier
5.Connection and Wiring
Terminator
13