E1 Series Servo Drive User Manual Electrical Planning
5-4 HIWIN MIKROSYSTEM CORP.
5.1.2 Countermeasures against interference
The servo drive has sophisticated microprocessors. If wiring or grounding is not correctly performed, the
servo drive could be interfered by peripheral equipment. To avoid false operation caused by interference,
follow the instructions below to configure the servo drive.
(1) Do not put main circuit power cable, control signal cable and encoder cable in the same cable tray,
or tie them together. If they are not put in separate cable trays, they should be at least 30 cm apart
while wiring.
(2) The servo drive must not share the same power supply with electric welding machine or electric
discharge machine. If there is high frequency generator near the servo drive, install noise filter at the
input sides of main circuit power cable and control circuit power cable. For installation instruction of
noise filter, please refer to the following.
(3) Grounding must be correctly performed. For information of grounding, please refer to section 5.1.3.
(4) While using motor with large capacity, the servo drive could be interfered by noise from conduction
or radiation. Use shielded motor power cable and its shield must be connected to the grounding of
electric control panel. For suggested filter, please refer to table 5.1.2.1 or table 16.2.2.1 in section
16.2.2.
Table 5.1.2.1
Power Supply Filter Manufacturer Model
Single-phase filter Schaffner FN2090-10-06
Three-phase filter Schaffner FN3025HL-20-71
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