Connections; Connection Of The Feedback Systems - Fagor Dro NV-300T Installation Manual

2.

CONNECTIONS

2.1

CONNECTION OF THE FEEDBACK SYSTEMS

The feedback systems (scales or encoders) are connected via SUB-D HD type
15-pin female connectors: X3, X4 and X5.
Characteristics of feedback inputs: X3, X4 and X5:
- +5V input consumption: 250 mA
- Admits square-wave signal (TTL). (A, B, Io)
- 1Vpp voltage modulated sinewave signals (NV-301T model)
- Maximum frequency: 250 KHz, minimum separation between flanks:
950nsec.
- Phase shift 90º ±20º, hysteresis 0.25 V, Vmax 7V.
Maximum input current: 3 mA.
- High threshold (logic state 1) 2.4V < V
- Low threshold (logic state 0) 0.0V < V
1
12
15
6
* Not available at the NV-300T model
Page: 12 - Installation Manual
Pin Signal
1 A
2 /A*
3 B
4 /B*
5 I0
6 /Io*
7 Alarm
8 /Alarm*
9 +5V
10 Not connected
11 0V
12 Not connected
13 Not connected
14 Not connected
15 Chassis
< 5V
IH
< 0.8V
IL
Function
Feedback signals
Reference signal
Feedback alarm
Power to feedback device
Unused
Power to feedback device
Unused
Unused
Unused
Shield
NV-300T/301T Man: 9910 Soft: 2.xx