Hardware description
A.2 Internal interfaces
SIMATIC IPC647E
168 Operating Instructions, 11/2018, A5E45589180-AA
A.2.7 Power supply fan monitoring
2 Reserved PWM,
4 Tacho signal Input monitoring signal
Input status of redundant PS
Reserved for fan failure of redundant PS
7 Quittung_Status Output; Acknowledgment of acoustic alarm signal of redundant
power supply (signal is open when module is switched on)
A.2.8 Fan port
A.2.9 Supply for the serial ATA drives