YASKAWA SI-EM3 Installation Manual page 38

5 Installation Procedure
4.
Insert the option card (B) into the CN5-A connector (I) on the drive and fasten it into
place using the included screws (C). Tighten both screws to 0.5 to 0.6 Nm (4.4 to
5.3 inlb).
Note: Only two screws are necessary to install the option on a GA700 or GA800 drive. A ground wire
is not necessary. The option package ships with three screws and a ground wire for installation
on other product series. Do not use the ground wire or the extra screw.
Figure 21
I
5.
Firmly connect the Ethernet communication cable to the option modular connector
(CN1).
Install Modbus communications cables apart from main-circuit wiring and other
electrical and power lines. Ensure the cable end is firmly connected (see
Figure 24). Refer to
of installing.
Note: 1. Separate communication cables from main circuit wiring and other electrical lines.
2. Maximum transmission distance is 100 m (328 ft). Minimum wiring distance between stations is 0.2 m
(7.9 in).
38
Figure 22 Insert the Option Card
Communication Cable Specifications on page 40
YASKAWA ELECTRIC TOBP C730600 91D YASKAWA AC Drive Option SI-EM3 Installation Manual
A1000
B
C
for details