11.92 5 PLC Interface
5.3.9 Interface command channel (DB 41)
5.3.9 Interface command channel (DB 41)
7 6 5 4 3 2 1 0
Bit No.
Byte No.
DL 0
DR 0
8th UI 7th UI 6th UI 5th UI 4th UI 3rd UI 2nd UI 1st UI
DL 1
DR 1
8th UI 7th UI 6th UI 5th UI 4th UI 3rd UI 2nd UI 1st UI
DL 2
DR 2
DL 3
DR 3
DL 4
DR 4
DL 5
DR 5
Command channel (DB 41)
Reserved
15 14 13 12 11 10 9 8
Request bits
Reserved
Error bits
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Note:
Set number of user interfaces (UI) with PLC MD 33.
© Siemens AG 1992 All Rights Reserved 6FC5197- AA60 5–51
SINUMERIK 840C (IA)