Siemens SINUMERIK 840D sl Function Manual page 493

DB18
DBW574
DBW576
F_RECVDP (receiver)
DB18
Data block
Byte Bit 7
DBB220 FRDP[1].
SUBS[7]
DBB221 FRDP[1].
SUBS[15]
DBB222
DBB224
DBB225
DBW226
DBW228
DBW230
DBB232 FRDP[2].
SUBS[7]
DBB233 FRDP[2].
SUBS[15]
DBW234
DBB236
DBB237
DBW238
DBW240
DBW242
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Bit 6 Bit 5
FRDP[1]. FRDP[1].
SUBS[6] SUBS[5]
FRDP[1]. FRDP[1].
SUBS[14] SUBS[13]
FRDP[2]. FRDP[2].
SUBS[6] SUBS[5]
FRDP[2]. FRDP[2].
SUBS[14] SUBS[13]
F_SENDDP 4...16
FSDP_HF[16].RETVAL14
FSDP_HF[16].RETVAL15
F_RECVDP 1...3
PLC → NCK interface
Bit 4 Bit 3
FRDP[1]. FRDP[1].
SUBS[4] SUBS[3]
FRDP[1]. FRDP[1].
SUBS[12] SUBS[11]
FRDP[1].ERR_REAC
FRDP[1].
SEND‐
MODE
FRDP[1].DIAG
FRDP[1].RETVAL14
FRDP[1].RETVAL15
FRDP[2]. FRDP[2].
SUBS[4] SUBS[3]
FRDP[2]. FRDP[2].
SUBS[12] SUBS[11]
FRDP[2].ERR REAC
FRDP[2].
SEND‐
MODE
FRDP[2].DIAG
FRDP[2].RETVAL14
FRDP[2].RETVAL15
Data descriptions
9.6 Interface signals
Bit 2 Bit 1
FRDP[1]. FRDP[1].
SUBS[2] SUBS[1]
FRDP[1]. FRDP[1].
SUBS[10] SUBS[9]
FRDP[1]. FRDP[1].
ACK_REQ SUBS_ON
FRDP[2]. FRDP[2].
SUBS[2] SUBS[1]
FRDP[2]. FRDP[2].
SUBS[10] SUBS[9]
FRDP[2]. FRDP[2].
ACK_REQ SUBS_ON
Bit 0
FRDP[1].
SUBS[0]
FRDP[1].
SUBS[8]
FRDP[1].
ACK_REI
FRDP[1].
ERROR
FRDP[2].
SUBS[0]
FRDP[2].
SUBS[8]
FRDP[2].
ACK_REI
FRDP[2].
ERROR
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