2. Wiring and Connection
2 - 35
2-6 Connecting the grounding cable
2-6-1 Connecting the protective grounding (PE) and frame ground (FG)
Each unit has a terminal or mounting hole to connect PE (
) or FG.
Please connect an earth wire to the main ground of a cabinet or a machine frame.
(PE: Grounding to provide protection from electric shock, etc. FG: Grounding to stabilize the operation
of the devices, etc. (Suppress noise, etc.))
Ground each device according to the grounding conditions set forth by each country. (Typically, a
Y-connection neutral point ground is used in Europe.)
POINT
Connect the grounding cable from each unit
directly to the grounding plate. Noise from
other units could result in malfunctions.
2-6-2 Grounding cable size
Earth wire size should follow the following table.
Type Grounding cable size
(Required grounding)
MDS-C1-CV Unit Larger than thickness of wire connected to TE1 (L1/L2/L3). (PE)
MDS-C1-V1/V2/SP[] Unit Larger than thickness of wire connected to TE1 (U/V/W). (PE)
B-AL (AC Reactor) 5.5 mm
2
(AWG10) or more (FG)
MDS-C1-V1/V2/SP
MDS-C1-CV
B-AL
SJ Series
Servomotor
HC Series
Servomotor
Grounding
late
Unit
Grounding
plate
Unit
Grounding
plate
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