U
W
V
L2
L1
L3
L2C
L1C
CN2
CN1
SERVOPACK
Servomotor
Operation relay sequence
User signal generators
DC
power
supply
(Grounding plate)
External ground: Use a dedicated ground.
2.0 mm
2
min.
200 VAC
Noise Filter
*1
2.0 mm
2
min.
2.0 mm
2
min.
ENC
(FG)
M
Noise Filter
*3
*3 *2
Fig. 42: Example for Noise Filter
*1. For the ground wire, use a wire with a thickness of at least 2.0 mm
2
(preferably, flat
braided copper wire).
*2. Whenever possible, use twisted-pair wires to wire all connections marked with .
*3. Refer to the following section for precautions when using Noise Filters.
Ä
‘Noise Filter Wiring and Connection Precautions’ page 88
Always observe the following precautions when wiring or connecting Noise Filters.
n Separate input lines from output lines. Do not place input lines and output lines in the
same duct or bundle them together.
Noise
Filter
Noise
Filter
Noise
Filter
Noise
Filter
Separate the circuits.
Correct
Incorrect
Grounding plate
Grounding plate
Grounding
plate
Grounding plate
Fig. 43: Noise Filter Wiring - Separate input lines from output lines
Noise Filter Wiring and
Connection Precautions
Sigma-7 Series SERVOPACKs
Wiring and Connecting SERVOPACKs
Wiring and Connecting SERVOPACKs > Countermeasures against Noise
| | PROFINET Communications - SIEP YEUOC7P 02A Revision 0 | en | 88
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