Mitsubishi CRn-500 Series Instruction Manual page 25

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. 5.1.3 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, refer to "9.1.2Connector pins of additional axis interface
CON1(CR1/CR1B/CR2A/CR2B Controller))."
Rear of expansion option box
Bus cable between
controller and amplifier
To CN1A connector
CAUTION
Fig. 5.1.2 Additional axis interface card general drawing
Rear side cable outlet
Servo amplifier
To CN1B connector To CN1A connector
Fig. 5.1.3 Connection of controller and servo amplifier
Be sure to connect the end-terminal connector. If it is not connected, malfunction
may occur.
Rear of controller
Servo amplifier
Bus cable between
controller and amplifier
5.Connection and Wiring
CON1 connector
RTBUS connector
Terminator
11