Imaje S8 Classic, Руководство пользователя, Страница: 136 / 142

134 A20733 B0
Input / Output Connections
2.4 Absolute limit values for inputs
• Maximum permissible current in photocoupler LED:
DC: I
F
= 25 mA
AC ~: I
F
= 50 mA with a duty cycle of 50% and a pulse width of 1 ms.
Pulsed: I
F
= 1 A with a pulse width
≤
1
µ
s and 300 pulses/sec.
• Maximum power dissipation: 45 mW
• Maximum operating frequency:
- 150 kHz (duration of pulses > 2
µ
S) for the TACHY input,
- 10 kHz for the object detector, parallel interface and counter reset inputs.