就是 模块通道针脚所代表的意思:U+,I+,S-,M+,M-所代表的意思,谢谢~
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最佳答案
1、有关模拟量模板方面常用的缩写词含义:
FAQ: Frequently Asked Questions 经常问到的问题
M +: Measuring lead (positive) 信号线(正)
M–: Measuring lead (negative) 信号线(负)
MANA: Reference potential of the analog measuring circuit 模拟量输入回路的参考电势
M: Ground terminal 接地端
L +: Terminal for 24 VDC supply voltage 24VDC电源接线端
UCM: Potential difference between inputs and reference potential of the MANA measuring circuit
信号输入端与MANA间的电势差
UISO: Potential difference between MANA and M terminal of CPU MANA与CPU的M端间的电势差
I +: Measuring lead for current input 电流输入测量端
U +: Measuring lead for voltage input 电压输入测量端
2、相关文档:
<SM331信息集要(更新版)>下载:
http://www2.ad.siemens.com.cn/Download/Upload/AS/faq/F0220.pdf
详见《S7-300_SM331模拟量输入模板的使用与调试》下载:
http://download.gongkong.com/file/2005/5/17/S7-300_SM331.doc
SM331_Getting_Started_Teil1_e》下载:
http://ftp.gongkong.com/UploadFile/datum/2008-7/2008072009410900001(SM331_Getting_Started_Teil1_e).pdf
提问者对于答案的评价:
您的回答最为详细,正是我所需要的,谢谢~
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