Siemens SINUMERIK 840D sl Function Manual page 490

Data descriptions
9.6 Interface signals
DB18
From NCK
DBB128
From NCK
DBB129
From NCK
DBB130
From NCK
DBB131
to the NCK
DBB132
to the NCK
DBB133
to the NCK
DBB134
to the NCK
DBB135
DBB136...
137
DBB138 8th input
byte
DBB139
DBB140 8th output
byte
DBB141
DBB142
to
DBB149
DBB150
to
490
Signals for safety SPL
INSEP_PROFISAFE[1 ...8] PROFIsafe module(s) for
7th input 6th input
byte byte
OUTSEP_PROFISAFE[1 ...8] PROFIsafe module(s) for
7th output 6th output
byte byte
PLCSIOUT[1 ...8]
PLCSIOUT[9 ...16]
PLCSIOUT[17 ..24]
PLCSIOUT[25 ...32]
PLCSIIN[1 ...8]
PLCSIIN[9 ...16]
PLCSIIN[17 ...24]
PLCSIIN[25 ...32]
SPL status[1 ...16]
5th input 4th input
byte byte
5th output 4th output
byte byte
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
3rd input 2nd input
byte byte
3rd output 2nd output
byte byte
1st input
byte
1st output
byte
Safety Integrated