نقد و بررسی تخصصی P3349
Appertaining function block: HB-BLD-3 or HB-BLD-4
The module is automatically tested during operation. The main test routines are:
• Reading back of the output signals. The operating point of the 0-signal read back
is ≤ 6.5 V,
• Switching capability of the safety shutdown, cross-talking (walking-bit test),
• Line monitoring.
Nominal output voltage 24 V or 48 V, acc. to supply of L+ via cable plug