Siemens SINUMERIK 840C Installation Instructions Manual page 1133

12 Functional Descriptions
12.35 Uninterruptible power supply (UPS) (as from SW 6.3) (Express shutdown)
Example: PLC program for the initiation of an "Express shutdown"
A DB255
L KF 10
T DW 10
L KH 0201
T DW 11
L KH 0319
T DW 12
L KH 001
T DW 13
L KH 5F02
T DW 14
L KH 2F04
T DW 15
L KH 0090
T DW 16
BA FX73
OEM-SEND
DBTY KC DB
DBNR KF 255
DWNR KF 10
QTTG KF 192
.
.
.
BA FX74
OEM-EMPF
DBTY KC DB
DBNR KF 255
DWNR KF 20
OEMN KF 0
QTTG KF 195
Data received:
(as acknowledgement, "Express shutdown" implemented, the I code is returned)
DB 255
DW20 KH = 0004
DW21 KH = 0319
DW22 KH = 0201
DW23 KH = 0001
DW24 KH = 0000
DW25 KH = 2F04
DW26 KH = 0094
12–358
User DB
Package length
Sender (PLC)
Receiver (MBX)
Task data structure
Task number
I code
Control flag
Scanning of the OEM information bit (PLC-MD 137).
Only once bit "0" or "1" has been set, then data
(acknowledgement) are present in the mailbox.
In this dependency the FX74 is called up.
Package length
Sender (MBX)
Receiver (PLC)
Task data structure
Task number
I code
Control flag
© Siemens AG 1992 All Rights Reserved
01.99
6FC5197- AA50
SINUMERIK 840C (IA)