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2-4
2-4 Wiring
2
Design
2-4 Wiring
Wiring Length of Encoder Cable
Do not exceed 20 m for the wiring length of the encoder cable. If the wiring length should be 20 m
or longer by necessity, use a relay amplifier that specifies 5 V line driver output. In this case, be
careful of the following points for wiring.
To use a relay amplifier, the wiring length between the PG Board and the relay amplifier must be
within 20 m. Check the input specifications of the relay amplifier to determine the wiring length be-
tween the relay amplifier and encoder. (Confirm with the relay amplifier manufacturer.)
If the wiring length is longer than that specified, the Inverter could work erroneously due to influ-
ence from the outside noise at that point. Be careful of the relay amplifier wiring.
The encoder cable could be easily influenced by outside noise depending on the shielding method
of the shield cable, resulting in an Inverter failure. Generally connect to the power supply ground
of a signal line or to the ground for shielding. (To connect to the ground, be careful of the ground
cabling route and avoid multi-point grounding.)
To use a PG Board encoder power supply for the interface power supply between the PG Board
and relay amplifier, adopt a shielding method following "Mounting the Ferrite Cores" (page 2-5). A
different method can be applied, however, for the power supply from a source other than the PG
Board. If using a relay amplifier, also follow "Mounting the Ferrite Cores" (page 2-5) for the con-
nection of the ferrite cores.
Содержание 3G3AX-PG
Страница 1: ...Cat No I564 E1 01 USER S MANUAL 3G3AX PG Encorder Feedback Board ...
Страница 2: ......
Страница 14: ...12 Contents ...
Страница 15: ...Chapter 1 Overview 1 1 Overview 1 1 ...
Страница 27: ...Chapter 3 Operation 3 1 Related Parameters 3 1 3 2 Precautions for Operation 3 8 ...
Страница 65: ...Chapter 6 Specifications 6 1 Product Specifications 6 1 ...
Страница 67: ......