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11. PLC Help Function
11.2 Operator Message Display
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11.2.2 Operator Message Preparation
Create messages by using PLC development software (GX Developer).
According to the description format, set the number of characters for one message and the number of
messages to be prepared, then prepare message data.
The maximum length of an operator message is 60 characters. A maximum of 512 operator
messages can be prepared. For details, refer to the section "1.4 Creating PLC-related Data".
However, the number of operator messages may be limited depending on the available memory
capacity. For details, refer to the section "1.4 Creating PLC Message Data".
11.2.3 Operator Message Display Validity Parameter
The parameter is set on the machine manufacturer parameter bit selection screen.
#(6450 ) Data（ 00000000）
76543210
←bit
Use number 6450.
0: Operator message display invalid.
1: Operator message display valid.
(Reference) #6450 corresponds to the high-order byte of file register R4624.