Computer Drive Installation Instructions

01.99 12 Functional Descriptions
12.35 Uninterruptible power supply (UPS) (as from SW 6.3) (Express shutdown)
Structure of target data block (MMC feedback)
DW x Package length Format: KF
"4"
DW x+1 Task sender Format: KH
"0319H"
DW x+2 Task receiver Format: KH
"0201H"
DW x+3 Task data structure Format: KH
"1"
DW x+4 Task number Format: KH
"0"
DW x+5 I code Format: KH
"2F04H"
DW x+6 Control flag Format: KH
"0094H"
Parameterization of FX73 and FX74
FX73
DBTY --- Module type (DB/DX) Format: KC
Variable assignment: FW240
DBNR --- Module no. Format: KF
Variable assignment: FW242
If the variable is assigned, ”0” must be entered here.
DWNR --- No. of 1st DW of user data blocks Format: KF
Variable assignment: FW244
QTTG --- Acknowledgement of FX Format: KF
Indication of 1st FY (a total of 3 bytes)
Variable assignment: FW246
FX74
DBTY --- Module type (DB/DX) Format: KC
Variable assignment: FW240
DBNR --- Module no. Format: KF
Variable assignment: FW 242
If the variable is assigned, ”0” must be entered here.
DWNR --- No. of the 1st DW of user data blocks Format: KF
Variable assignment: FW244
OEMN --- No. of mailbox containing the information.
Corresponds to signals of the OEM information bit (PLC MD 137)
Thus: ”0” or ”1” Format: KF
Variable assignment: FW246
QTTG --- Acknowledgement of the FX Format: KF
Indication of 1st FY (a total of 3 bytes)
Variable assignment: FW248
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50 12–357
SINUMERIK 840C (IA)