8 Application Instructions API 100-149
DVP-PLC Application Manual
8-5
Remarks:
1. The activation criteria placed before the three instructions, API 100 MODRD, API 105 RDST, and API 150
MODRW (Function Code H03), cannot use rising-edge contacts (LDP, ANDP ORP) and falling-edge contacts
(LDF, ANDF, ORF); otherwise, the data stores in the receiving registers will be incorrect.
2. There is no limitation on the times of using this instruction in the program, but only one instruction is allowed to
be executed at a time.
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