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2.
Precautions for replacement
(1) There are some differences between 3G3JX and 3G3MX2-V1. Before replacement, refer to not
only this guide but also related product user’s manuals.
(2) 3G3JX has a 3-phase 400-V class 3.7 kW capacitor model. Please replace with a 3-phase 400-V
class 4.0 kW capacitor model.
(3) 3G3JX has single/3-phase 200-V class models. Please replace with single-phase 200-V class
models or 3-phase 200-V class models.
(4) There are some differences between 3G3JX and 3G3MX2-V1 in mounting dimensions and
arrangement and function of terminal block. Refer to related product user’s manuals.
(5) For differences between 3G3JX and 3G3MX2-V1 in default parameter values and parameter
functions, refer to this guide. For details of functions, refer to related product user’s manuals at
the time of setting.
(6) There is no volume control on 3G3MX2-V1. To input commands with the volume control, please
use the optional operator 3G3AX-OP01.
(7) To connect the CX-Drive and 3G3MX2-V1, please use a commercially available USB cable. The
3G3JX dedicated cable 3G3AX-PCAN2 cannot be used with 3G3MX2-V1.
(8) 3G3JX has a built-in radio noise filter. To use 3G3MX2-V1 under the same installation
conditions, please attach an optional radio noise filter.
(9) Please note that the program of the host controller needs to be changed when replacing 3G3JX
using Modbus communication. The digital operator for 3G3JX cannot be used for 3G3MX2-V1.
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