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方法名称: mtdPreReadChangeCounter
方法ID: 0x4024
方法标签: Changes counter
方法描述: Number of changes on the field device that where done by the user
- {
- long id[1];
- int iTx;
- send_command(48);
- iTx = _ivar_value(16455);
- _iassign(16454,iTx);
- id[0] = 16454;
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