Installing And Wiring Of The Controller Protection Box (Cr800-Mb) - Mitsubishi Electric CR800 Series Instruction Manual

3.2 Installing and wiring of the controller protection box (CR800-MB)

Method of installing and wiring with CR800-MB is as follows.
1) Release the metal fittings (4 pcs.) of CR800-MB and remove the top plate.
2) Copy the serial number of a controller to a transcription label, and put it to the front of CR800-MB. After
that, put a transparent label on to a transcription label.
3) Remove the fixing plate (screw x 4pcs.) in CR800-MB (left side), fix it to the left side of a controller by 4
screws (attached).
4) Connect the power supply terminal of the ACIN cable (controller attachment parts) to the terminal base of
CR800-MB. And connect the FG terminal of the ACIN cable to the earth terminal of CR800-MB.
5) Put a controller into CR800-MB and fix it by 4 screws which are removed in process "3)".
6) Connect the ACIN cable to the ACIN connector on the backside of a controller. And store the ACIN cable in
the bottom space of CR800-MB.
Note) The wiring diagram differs form an actual internal placement of the protection box.
Fig. 3-3 ： Internal structure and wiring diagram
7) Prepare a power supply cable and an earth cable, and connect them to the terminal base and the earth
terminal in CR800-MB.
8) For safety, absolutely prepare an external emergency stop equipment. Refer to
the external emergency stop and mode selector switch"
9) Connect the machine cable to a controller and package all the cable covers with cable ties (attached).
10) Connect T/B connecting cable installed in the front inside of CR800-MB to T/B connector of a controller.
for connecting the external emergency stop.
Installing and wiring of the controller protection box (CR800-MB) 3-41
3Installing the option devices
Page 25, "2.3.6 Connecting