P4: PLC for SINUMERIK 828D
14.6 Function interface
Basic Functions
1168
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
14.6.3
PLC user alarms
14.6.3.1
User interface
The user alarms are created in the HMI and are prepared for automatic processing. The user interface of the
DB1600 permits:
• these 248 user alarms of numbers 700000 to 700247 to be activated,
• to be provided with an additional numerical parameter, and
• to be activated and acknowledged as well as
• to evaluate the system reactions initiated by it.
Activation interface of the user alarms
Each user alarm is activated using its assigned activation bit. These bits are set in the activation interface
(DB1600 from offset 0):
A new user alarm is activated with a 0/1 edge of the particular bit.
Note
Although the name user "
alarms
" is used in the following, it is only defined as to whether it
involves a message or an alarm when entering the particular cancel criterion in bits 6 and 7
of machine data MD14516[x].
DB1600
Activating alarm [r/w]
Data block
PLC -> HMI interface
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Activation of Alarm No.
DBB 0
700007
700006
700005
700004
700003
700002
700001
700000
Activation of Alarm No.
DBB 1
700015
700014
700013
700012
700011
700010
700009
700008
Activation of Alarm No.
DBB 2
700023
700022
700021
700020
700019
700018
700017
700016
Activation of Alarm No.
DBB 3
700031
700030
700029
700028
700027
700026
700025
700024
Activation of Alarm No.
DBB 4
700039
700038
700037
700036
700035
700034
700033
700032
Activation of Alarm No.
DBB 5
700047
700046
700045
700044
700043
700042
700041
700040
….
…
Activation of Alarm No.
DBB 30
700247
700246
700245
700244
700243
700242
700241
700240