详细介绍
1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM1771-DCM
这些数据可以从输入端口上连接的外部器件获得,需要使用传送指令读取这些器件上的数据并送到内部单元;初始数据也可以用程序设置,即向内部单元传送立即数;另外,某些运算数据存储在机内的某个地方,等程序开始运行时通过初始化程序送到工作单元。
(1) 机内数据的存取管理
在数据运算过程中,机内的数据传送是*的。运算可能要涉及不同的工作单元,数据需在他们之间传送;运算可能会产生一些中间数据,这需要传送到适当的地方暂时存放;有时机内的数据需要备份保存,这要找地方把这些数据存储妥当。总之,对一个涉及数据运算的程序,数据管理是很重要的。
此外,二进制和 BCD 码的转换在数据管理中也是很重要的。
(2) 运算处理结果向输出端口传送
运算处理结果总是要通过输出实现对执行器件的控制,或者输出数据用于显示,或者作为其他设备的工作数据。对于输出口连接的离散执行器件,可成组处理后看作是整体的数据单元,按各口的目标状态送入一定的数据,可实现对这些器件的控制。
(3) 比较指令用于建立控制点
控制现场常有将某个物理量的量值或变化区间作为控制点的情况。如温度低于多少度就打开电热器,速度高于或低于一个区间就报警等。作为一个控制“阀门”,比较指令常出现在工业控制程序中。
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2098-DSD-020X
2098-DSD-030
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2098-DSD-075
2098-DSD-075X
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2098-DSD-150X
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2098-IPD-HV030
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2098-IPD-HV100
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2098-IPD-020-DN
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2098-IPD-075-DN
2098-IPD-150-DN
2098-IPD-HV030-DN
2098-IPD-HV050-DN
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2098-DSD-HV030-SE
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2098-DSD-HV100-SE
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2098-UWCPRG
Allen-Bradley Ultra3000i Servo Drive 2098-DSD-010X
Allen Bradley Frequenzumricht?er Ultra3000i 2098-DSD
Allen-Bradley Ultra3000i Servo Drive 2098-DSD-HV050X-DN
Allen Bradley AC Relay 700-P1200A1 (2098)
Allen Bradley 2098-DSD-HV050-SE Servo drive controller
Allen Bradley 2098-DSD-020x/B | Ultra 3000
Allen Bradley Ultra 3000 2098-DSD-010-SE
Allen Bradley 2098-DSD-020x/C | Ultra 3000
Allen-Bradley 2098-DSD-HV030-SE Kinetix 3000 Drive S63
Allen Bradley 2098-DSD-HV030X-DN Ultra3000i
Allen Bradley Ultra 3000 Drive Cat# 2098-DSD-HV030 Used
2098-DSD-HV030-?SE Allen Bradley 2098DSDHV030SE
ALLEN BRADLEY 2098-DSD-HV030-SE USPP 2098DSDHV030SE
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2098-DSD-020-DN
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2098-DSD-020X-DN
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2098-DSD-150X-DN
2098-DSD-HV030
2098-DSD-HV030-DN
2098-DSD-HV030-SE
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2098-DSD-HV030X-DN
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2098-DSD-HV050-DN
2098-DSD-HV050-SE
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2098-DSD-HV050X-DN
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2098-DSD-HV100-DN
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2098-DSD-HV100X-DN
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2098-DSD-HV150-DN
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2098-DSD-HV150X-DN
2098-DSD-HV220
2098-DSD-HV220-DN
2098-DSD-HV220-SE
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2098-DSD-HV220X-DN
2098-IPD-005
2098-IPD-005-DN
2098-IPD-010
2098-IPD-010-DN
2098-IPD-020
2098-IPD-020-DN
2098-IPD-030
2098-IPD-030-DN
2098-IPD-075
2098-IPD-075-DN
2098-IPD-150
2098-IPD-150-DN
2098-IPD-HV030
2098-IPD-HV030-DN
2098-IPD-HV050
2098-IPD-HV050-DN
2098-IPD-HV100
2098-IPD-HV100-DN
2098-IPD-HV150
2098-IPD-HV150-DN
2098-IPD-HV220
2098-IPD-HV220-DN
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