Siemens S7-1200 - Functions; Replacing the SM 4 Xio-Link Signal Module

SM 1278 4xIO-Link Master
15.1 SM 1278 4xIO-Link Master overview
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
817
Supported functions
● I&M (installation and maintenance) identification data
● Firmware update
● IO-Link parameter assignment by means of the S7-PCT port configuration tool, STEP 7
Professional, and an S7-1200 V4.0 or higher CPU
15.1.4
Functions
IO-Link is a point-to-point connection between a master and a device. Both conventional and
intelligent sensors/actuators can be used as devices at the IO-Link via unshielded standard
cables using proven 3-wire technology. IO-Link is backward compatible with conventional
digital sensors and actuators. The circuit state and data channel are designed in proven
24 VDC technology.
For additional information about the SIMATIC IO-Link technology, refer to the "IO-Link
system Function Manual" on the Siemens Industry Online Support website
(http://support.automation.siemens.com).
15.1.5
Replacing the SM 4xIO-Link signal module
Note
IO-Link parameter data
When you replace the SM
4xIO-Link Master, the parameter data is not automatically
assigned to it.
CAUTION
Removal and insertion
If you insert the SM 4xIO-Link Master with the load switched on, this can lead to dangerous
conditions in your plant.
Physical damage to the S7-1200 automation system may occur as a result.
Remove or insert the SM 4xIO-Link Master only when the load is switched off.