Siemens SINUMERIK 840D sl Function Manual page 494

Data descriptions
9.6 Interface signals
DB18
DBB244 FRDP[3].
SUBS[7]
DBB245 FRDP[3].
SUBS[15]
DBW246
DBB248
DBB249
DBW250
DBW252
DBW254
DBD256
DBD260
DBD264
DBD268
DB18
Data block
Byte Bit 7
DBB578 FRDP
HF[4].
SUBS[7]
DBB579 FRDP
HF[4].
SUBS[15]
DBW580
DBB582
DBB583
494
FRDP[3]. FRDP[3].
SUBS[6] SUBS[5]
FRDP[3]. FRDP[3].
SUBS[14] SUBS[13]
Bit 6 Bit 5
FRDP FRDP
HF[4]. HF[4].
SUBS[6] SUBS[5]
FRDP FRDP
HF[4]. HF[4].
SUBS[14] SUBS[13]
F_RECVDP 1...3
FRDP[3]. FRDP[3].
SUBS[4] SUBS[3]
FRDP[3]. FRDP[3].
SUBS[12] SUBS[11]
FRDP[3].ERR REAC
FRDP[3].
SEND‐
MODE
FRDP[3].DIAG
FRDP[3].RETVAL14
FRDP[3].RETVAL15
SPL USER DATA[0]
SPL USER DATA[1]
SPL USER DATA[2]
SPL USER DATA[3]
F_RECVDP 4...16
PLC → NCK interface
Bit 4 Bit 3
FRDP FRDP
HF[4]. HF[4].
SUBS[4] SUBS[3]
FRDP FRDP
HF[4]. HF[4].
SUBS[12] SUBS[11]
FRDP HF[4].ERR_REAC
FRDP
HF[4].
SEND‐
MODE
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
FRDP[3]. FRDP[3].
SUBS[2] SUBS[1]
FRDP[3]. FRDP[3].
SUBS[10] SUBS[9]
FRDP[3]. FRDP[3].
ACK_REQ SUBS_ON
Bit 2 Bit 1
FRDP FRDP
HF[4]. HF[4].
SUBS[2] SUBS[1]
FRDP FRDP
HF[4]. HF[4].
SUBS[10] SUBS[9]
FRDP FRDP
HF[4]. HF[4].
ACK_REQ SUBS_ON
FRDP[3].
SUBS[0]
FRDP[3].
SUBS[8]
FRDP[3].
ACK_REI
FRDP[3].
ERROR
Bit 0
FRDP
HF[4].
SUBS[0]
FRDP
HF[4].
SUBS[8]
FRDP
HF[4].
ACK_REI
FRDP
HF[4].
ERROR
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