Fagor CNC 8065 - Feedback Inputs. Technical Characteristics and Connection

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Hardware configuration
CNC 8065
4.
(REF: 1404)
CENTRAL UNIT ICU.
4.4.6 Feedback inputs. Technical characteristics and connection.
The central unit has 2 feedback inputs, valid for TTL and differential TTL signals.
Technical characteristics of the feedback inputs.
Power consumption: +5 V 0.5 A (250 mA per axis)
Work levels for TTL signal.
Work levels for differential TTL signal.
Maximum frequency: 100 kHz.
Phase shift: 90º ± 20º.
High threshold (logic level “1”) VIH: 1.25 V < VIH < 7 V.
Umbral bajo (nivel lógico “0”) VIL: -7 V < VIL < 1 V.
Maximum voltage: ± 7 V.
Hysteresis: 0,25 V.
Maximum frequency: 1000 kHz.
Phase shift: 90º ± 20º.
Maximum voltage in common mode: ± 7 V.
Maximum voltage in differential mode: ± 6 V.
Hysteresis: 0.2 V.
Maximum differential input current: 3 mA.
A
B
Io
A
B
Io
A
B
Io