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3/7/2011 8:36 AM | |
Joined: 1/28/2009 Last visit: 10/11/2024 Posts: 6852 Rating: (1365) |
Dear member Please check the following manual: SIMATIC S7-300 S7-300 Module data See section 5, page 224 table 5-9.Due to data in that table if the analog input value indicates a negative number, the input current is less than 4mA.Read the manual for more detail. BR |
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