Siemens CP 1626 Operating Instructions Manual page 66

Operating hardware
4.8 Notes and restrictions
Restarting the firmware of the communications processor
To restart the communications processor new, follow the steps below:
1. Disconnect the external power supply on the communications processor.
2. Restart the PC. (Turn the PC off for several seconds.)
Operation as a PROFIenergy device: No firmware update during PROFIenergy pause
Firmware updates, device name modifications and changing the IP address are not
permitted during the PROFIenergy pause.
Interrupts for media redundancy
So that diagnostics interrupts for media redundancy can be reported, the redundancy master
must be assigned to an IO device.
Firmware download
While downloading the firmware neither the IO-Base user programming interface nor the I-
device user programming interface may be open.
Number of communications processors
A maximum of 1 CP 1626 can be operated in one PC.
Flood ping
Particularly high ping load on the ports of the communications processor, for example
caused by a flood ping leads to failure of the connection IO controller-IO device. After turning
off the disruption, the connection is restored (DEVICE_RETURN).
Short-circuiting the LAN ports
The accidental short circuiting of 2 LAN ports of the communications processor (both
connectors of a network cable are plugged into the ports of the communications processor)
leads to incorrect operation of the network and the communications processor. It may need
to be reset to become functional again.
Load files
The firmware file is encrypted and signed. This ensures that only firmware published by
Siemens can be loaded to the device.
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Operating Instructions, 11/2018, C79000-G8976-C434-03
CP 1626