The operands of the plus 1 command INC and the minus 1 command DEC can take KnY, KnM, KnS, T, C, D, V, and they do not affect the zero flag, the borrow flag, and the carry flag. The instruction code of INC is FNC24, and the instruction code of DEC is FNC25. The function of the INC instruction is to automatically increment the binary number in the specified target operating element [D·]. The function of the DEC instruction is to automatically decrement the binary number in the specified target operating element [D·] by one.
As shown in Figure 13-5, the number in D20 is automatically incremented by 1 each time X0 changes from OFF to OFF. When X1 changes from OFF to ON each time, the number in D21 is automatically decremented by 1.
If the continuous execution type plus 1 command INC or the continuous execution type minus 1 command DEC is used, when the condition is satisfied, the data in the target operating element [D·] specified in each scan cycle is automatically incremented by 1 or automatically decremented by 1.16. When bit data is calculated, +32767 adds 1 to -32768, and -32768 subtracts 1 to become +32767. When 32-bit data is used, +2147483647 adds 1 to -2147483648, and -2147483648 is decremented by 1. It becomes +2147483647.
KNB1-32 Miniature Circuit Breaker
KNB1-32 Mini Circuit breakers, also named as the air switch which have a short for arc extinguishing device. It is a switch role, and also is a automatic protection of low-voltage electrical distribution. Its role is equivalent to the combination of switch. Fuse. Thermal Relay and other electrical components. It mainly used for short circuit and overload protection. Generally, According to the poles, mini Circuit breaker can be divided into 1P , 1P+N , 2P, 3P and 4P.
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