Chapter 5 Master Control Unit
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5.4.2.2 Module Size
Figure 5-19 LK249 Module Size
5.4.3 Status Indication
Table 5-7 Instructions to Status Indicator
Indication of power supply
The power supply works regularly.
The power fails/not powered on
Indication of operating pattern
The module is working properly.
Indication of module failure
The module appearance fails.
The module is free of failures.
Indication of data sending/receiving via DP
Communication Interface 1
DP Communication Interface 1 is
sending/receiving data
DP Communication Interface 1 does not
send/receive data
Indication of data sending/receiving via DP
Communication Interface 2
DP Communication Interface 2 is
sending/receiving data
DP Communication Interface 2 does not
send/receive data
Slow flashing: with a frequency of 1Hz