Emerson FM-3 Guía de usuario descargar pdf (Pagina 27)

Epsilon Eb and EN Drives Reference Manual

• Pulse frequency > 250 kHz

• Pulse command cable length > 25 feet

• Noisy electrical environments

Differential input circuit specifications:

Input frequency maximum 2 Mhz

Input device: AM26C32

Input impedance 12 Kohms each input

Maximum voltage applied to input pins (A, A/) or (B, B/ )

Single Ended (referenced to 0V drive logic) +/-10V

Differential (referenced to mating differential input) +/-10V

Maximum common mode voltage +/-7 V

Minimum differential voltage required 200 mV

Input voltage hysteresis 60 mV

Single ended input circuit specifications:

Single ended input specifications:

1 MHz maximum input frequency

Internal 330 ohm pull-up to 5 Volt (non-isolated)

1.5 Volt low level

3.5 Volt high level

Output driver requirements:

15 mA sinking (open collector)

5 Volt capacity

ECI-44 Terminal

Command

Connector Pin #

Pulse-Direction

Signal

Pulse-Pulse

Signal

Pulse Quadrature

Signal

Sync Enc In “A” 27 Pulse Pulse + A

Sync Enc In “A/” 41 Pulse/ Pulse +/ A/

Sync Enc In “B” 26 Direction Pulse - B

Sync Enc In “B/” 40 Direction/ Pulse -/ B/

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Emerson FM-3 Guía de usuario Pagina 27