Hardware description
A.2 Internal interfaces
SIMATIC IPC847E
174
Operating Instructions, 10/2018, A5E43920357-AA
A.2.2
SCSI activity connector
Type JST B2B-PH-SM3-TB
Pin
Name
Meaning
1
NC
-
2
SCSI HD_N
0-V level means that the SCSI interface is active
A.2.3
Reset
Type JST B2B-PH-SM3-TB
NOTICE
Observe safety information
Only use this interface for maintenance purposes. You should observe the warnings in
"Open the device (Page 89)".
Pin
Name
Meaning
1
GND
Ground
2
Reset
Input, 0 V level means reset
A.2.4
Power button
Type JST B2B-PH-SM3-TB
NOTICE
Observe safety information
Only use this interface for maintenance purposes. You should observe the warnings in
"Open the device (Page 89)".
Pin
Name
Meaning
1
EXT_PWRBTN
Input, 0 V level means Power button pressed
2
GND
Ground