Problems With Wlan - Siemens SIMATIC IPC MD-34A Operating Instructions Manual

On-screen error message
CMOS battery failed
CMOS battery weak
Real-time clock has lost power
Keyboard error
PLD configuration failed
B.4

Problems with WLAN

The following lists the possible causes for problems with Wireless LAN.
Problem
Cannot connect with WLAN
Data transmission speed is
too low
MD-34A
Operating Instructions, 08/2023, A5E52427535-AA
• Check that you have enabled the WLAN.
• Check that the other WLAN partner is active.
• Check the WLAN connection settings
Observe the corresponding notes on WLAN configuration and operation in the Online
Help of the WLAN adapter.
• Please note that the data rate stipulated and visible under Windows is only a theoretical
value / corresponds to the gross value. Determined by the transmission procedure, the
actual applicable data rate for the data transmission is usually around 50% of the gross
value.
• The maximum data transmission speed depends on many factors.
Start by verifying that the transmission mode of all network components is set up in ac-
cordance with the IEEE 802.11 a/b/g/n/ac/ax or ac standard. The spatial arrangement of
the network components can also negatively influence the transmission.
–
The distances between the components should be as short as possible.
–
Masonry or reinforced concrete walls have a negative effect on the transmission per-
formance and can, under some circumstances, prevent a connection from being es-
tablished. For the best performance, a line-of-sight connection of the network
components is preferred.
–
A high load on the network, perhaps from too many simultaneous access attempts
from different nodes, can lead to lower data rates or communication problems.
B.4 Problems with WLAN
Meaning / tip
CMOS battery is not connected.
CMOS battery is weak
The CMOS clock was operated without battery or
with a battery that was too weak, during battery
change, for example. Check the CMOS clock.
Function keys are defective
Programming of the PLC on the motherboard has
failed.
Technical Support
97