Mitsubishi Electric 800 Series Instruction Manual page 20

2. Svstem Confiauration
MELSEC GOT
BUS connection module handling and installation method
Refer to the GOT User's Manual.
a
Setting the bus connection module setting switches and the I10 slot setting switches
Refer to the GOT User's Manual.
a
Grounding the Serial Communication Module
To prevent radiated noise when configuring the GOT with the Serial Communication Mod-
ule, be sure to ground the serial communication's FG mesh wire to the EMC Box.
The FG mesh wire ground position is the screw holes shown below on the EMC Box.
Bus Connection Module
- 7
EMC Box
FG mesh wire ground area
a
Connection cable ground
To prevent radiated noise from the connection cable (Model A8GT-A1 SC30NB-EU) be-
tween the Bus Connection Module and the PC CPU, the grounds must be connected to
the GOT and PC control panels.
The connection cable grounding procedure is shown below.
When grounding the connection cable to the control panel a cable clamp is required.
*
The cable clamp used by Mitsubishi Electric for the EMC specification compatibility test
is shown below.
Mitsubishi Electric Model AD75CK cable clamp
1.
Peel off the white areas (2 areas) of the connection cable (Model A8GT-A1 SC30NB-
EU) covering to expose approximately 40 mm (1.57 inch) of the shield mesh.
Appro~. 40 mm (1.57 inch)
,