TXP CLC Course
Signal Code
The KKS system incorporates a signal code, which allows the consistent
identification of signals. The signal code is a suffix of the KKS code, which
identifies the type of switching element used to create the signal. Figure 6 shows
an example of the signal identification code:
Signal Code
11 MBV41 AA001 X G 52
Serial Number
Signal Area
Initial Character
Unit Function Code
Equipment Code
Figure 6 - Signal Code
Initial Character
The initial character of the signal code is used to identify the type of signal being
identified. The only two characters that are used are listed below:
X Signal from a specific signal area, this means a signal that comes directly
from a switch for example.
Z Gated signal from a specific signal area, this means a signal that comes
from the output of an AND gate for example. The creation of this signal is
from previous logic.
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