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PLC 的输出点可分为共点式、分组式和隔离式几种接法。隔离式的各组输出点之间可以采用不同的电压种类和电压等级,但这种 PLC 平均每点的价格较高。如果输出信号之间不需要隔离,则应选择前两种输出方式的 PLC 。
( 2 )对存储容量的选择1747-L532.1747-L532
对用户存储容量只能作粗略的估算。在仅对开关量进行控制的系统中,可以用输入总点数乘 10 字 / 点+输出总点数乘 5 字 / 点来估算;计数器/ 定时器按( 3 ~ 5 )字 / 个估算;有运算处理时按( 5 ~ 10 )字 / 量估算;在有模拟量输入 / 输出的系统中,可以按每输入 / (或输出)一路模拟量约需( 80 ~ 100 )字左右的存储容量来估算;有通信处理时按每个接口 200 字以上的数量粗略估算。最后,一般按估算容量的50 ~ 100 %留有裕量。对缺乏经验的设计者,选择容量时留有裕量要大些。
ABPLC1756-L55PLC
ABPLC1756-L55M12
ABPLC1756-L55M13PLC
ABPLC1756-L55M14PLC
ABPLC1756-L55M16
ABPLC1756-L55M22PLC
ABPLC1756-L55M23
ABPLC1756-L55M24PLC
ABPLC1756-L61PLC
ABPLC1756-L61SPLC
ABPLC1756-L62PLC
ABPLC1756-L63PLC
ABPLC1756-L63SPLC
ABPLC1756-L63XTPLC
ABPLC1756-L64PLC
ABPLC1756-L65
ABPLC1756-L73PLC
ABPLC1756-L74
ABPLC1756-L75PLC
ABPLC1756-LSPPLC
ABPLC1756-M1PLC
ABPLC1756-M12PLC
ABPLC1756-M13PLC
ABPLC1756-M14PLC
ABPLC1756-M16PLC
ABPLC1756-M2PLC
ABPLC1756-M22PLC
ABPLC1785-L11BPLC
ABPLC1785-L20BPLC
1747-L532.1747-L532
1747-L532.1747-L532
ABPLC1785-L20EPLC
ABPLC1785-L26BPLC
ABPLC1785-L30BPLC
ABPLC1785-L40BPLC
ABPLC1785-L40CPLC
ABPLC1785-L40EPLC
ABPLC1785-L40LPLC
ABPLC1785-L46BPLC
ABPLC1785-L46C15
ABPLC1785-L60BPLC
ABPLC1785-L80B
ABPLC1785-L80CPLC
ABPLC1785-L80C15PLC
ABPLC1785-L80EPLC
ABPLC1785-L86BPLC
ABPLC1747-L514PLC
ABPLC1747-L533PLC
ABPLC1747-L542
ABPLC1747-L543
ABPLC1747-L551PLC
ABPLC1747-L552PLC
ABPLC1747-L553PLC