Siemens SINUMERIK 840D sl Commissioning Manual

5.4.4 Sequence description of alarms
The OPC UA Server automatically sends an object of the "CNCAlarmtype" to the OPC UA
Client containing the single alarm which has just been triggered.
The OPC UA Server automatically resends an object of the "CNCAlarmtype" with the same
content as when the corresponding alarm was triggered, except a change in the status.
To get all the active alarms, the client has to subscribe to the Sinumerik node.
5.4.5 OPC UA Alarms and Conditions Constraints
Below are the features which are not supported in this version:
● Acknowledgements and Confirmation of the alarms.
● Messages
● Part program messages
● Other languages except English
Functionality
5.4 Alarms
SINUMERIK Integrate for Engineering Access MyMachine / OPC UA
52 Configuration Manual, 12/2017, 6FC5397-1DP40-6BA1

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based