Technical data

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Technical data

TTL evaluation

Processing of three differentially executed autocommutation signals, to determine the rotor position.
The rotor position is resolved into six segments per pole pair and is updated during operation by way of the commutation signals.

TTL encoder

	Specification
Interface	Wave terminating resistor built-in to device: 120 Ω Max. cable length: 10 m Connector: 15-pin D-SUB, High-Density, female
	Min.	Max.
Input frequency	0 Hz	500 kHz
Input voltage: Track A, B, R	Differential input RS422-compatible; pay attention to voltage range.
Differential switching level "High"	+0.1 V
Differential switching level "Low"		-0.1 V
Signal level referred to ground	0 V	+5 V
Input voltage: Track U, V, W	RS422-compliant
Differential switching level "High"	+0.2 V
Differential switching level "Low"		-0.2 V
Signal level referred to ground	-7 V	+12 V
Output voltage Output current	+4.74 V	+5.25 V 250 mA	+5 V

Tabelle: Electrical specification of voltage supply for external encoder on X8

NOTE:

The encoder supply on X8/3 is short-circuit-proof.

Copyright © LTi DRiVES GmbH, Januar 2013, ID-Nr.: 0842.26B.1-00 DE