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Chapter Two PLC Programming Operation
77
V
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lume II
Operatio
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X001.4
G001.0
X002.4
X002.1
Fig. 2-3-1 Ladder diagram illustration
Explanation:
The green component indicates connection state in the ladder diagram regardless
of the normally opened, normally closed or output coil, and the white one means
disconnected state. (The dark color is disconnection state, the light color is
connected state due to the printing)
2.4 Function Code
Press the
[Function command]
soft key in the Fig. 2-1-1, then enter the function code
operation interface, refer to the Fig. 2-4-1.
Fig. 2-4-1
There are 35 PLC function codes are listed in the function code. Refer to the Chapter Two
Programming for function code format and usage, the compilation of the function code is consistent
with the ladder diagram operation in the Section 2.3.
