Emerson FM-3 Guia do Utilizador Página 128

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109
Installation
Pulse Mode Wiring, Differential Inputs
Figure 82: Pulse Mode, Differential Output to Differential Input
Figure 83: Pulse Mode, Single Ended Output to Differential Input
If the external controller does not have an internal terminating
resistor R1, R2, and R3 must be mounted within 6" of the drive.
A 120 ohm resistor is recommended for high frequency
(over 250 kHz) feedback signals or cable lengths longer
than 25 feet.
Note:
Single Point
PE Ground
Twisted Pair
Single Point
Panel Ground
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