Fagor CNC 8070 - 5.9.4 Feedback inputs.

Hardware configuration.
CNC 8070
CENTRAL UNIT + MONITOR (ETX PLATFORM).
5.
Technical/electrical characteristics of the inputs and outputs.
·77·
(REF: 1911)
5.9.4 Feedback inputs.
The central unit has 2 feedback inputs, valid for TTL and differential TTL signals.
Work levels for TTL signal.
Work levels for differential TTL signal.
Characteristic. Value.
+5 V power consumption. 250 mA for each input.
Characteristic. Value.
Maximum frequency: 100 kHz.
Phase difference: 90º ± 20º.
High threshold (logic level "1") VIH: 2,2 V < VIH < 5 V.
Low threshold (logic level "0") VIL: -1 V < VIL < 0,6 V.
Maximum voltage: -1 V ÷ 7 V
Hysteresis: 1.2 V.
Characteristic. Value.
Maximum frequency: 1000 kHz.
Phase difference: 90º ± 20º.
Maximum voltage in common mode: -1 V ÷ 7 V
Maximum voltage in differential mode: ± 6 V.
Hysteresis: 0.2 V.
Maximum differential input current: 50 mA.
A
B
Io
A
B
Io
A
B
Io