2. Prog rammi ng Con cep ts
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Therefore, when the scan time is very long and you need the communication data to be processed
immediately, you can use interruption I170 for this functionality.
ELCM-PH/PA:
I140:
The communication instruction RS (COM1 RS-232) can be used to send an interrupt request when
specific characters are received. Interrupt I140 and the specific characters are set to low byte of
D1167.
This function can be used when the ELC receives data of a different length during communications.
Set up the specific end word in D1167 and write the interruption subroutine I140. When the ELC
receives the end word, the program will execute I140.
I150:
The communication instruction RS (COM2 RS-485) can be used to send an interrupt request when
specific characters are received. Interrupt I150 and the specific characters are set to low byte of
D1168.
This function can be used when the ELC receives data of a different length during the
communications. Set up the specific end word in D1168 and write the interruption subroutine I150.
When the ELC receives the end word, the program will execute I150.
I160:
The communication instruction RS (COM3 RS-485) can be used to send an interrupt request when
specific characters are received. Interrupt I160 and the specific characters are set to low byte of
D1169
This function can be used when the ELC receives data of a different length during the
communications. Set up the specific end word in D1169 and write the interruption subroutine I160.
When the ELC receives the end word, the program will execute I160
Содержание ELC-PB
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