Mitsubishi Electric 800 Series Instruction Manual page 15

2. System Configuration MEL6;EC GOT
a
Serial communication module handling and installation method
Refer to the GOT User's Manual.
a
Grounding the Serial Communication Module
To prevent radiated noise when configuring the GOT with the Serial Communicatior~ 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 E180x.
Serial Communication Module
EMC Box
'0
0
, o
\
0 ,
0,
FG mesh wire ground area
Connection cable ground
To prevent radiated noise from the connection cable (Model A8GT-AC30R4-EU) between
the Serial Communication 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-AC301:34-EU)
covering to expose approximately 40 mm (1 -57 inch) of the shield mesh.