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Changes for page 06 Operation

Last modified by Iris on 2025/07/23 15:49
From version 2.3
edited by Joey
on 2022/06/08 15:36
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To version 2.4
edited by Joey
on 2022/06/08 15:39
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1809 1809  
1810 1810  The servo drive processes the analog voltage signal output by host computer or other equipment as torque instruction. VD2A and VD2B series servo drives have 2 analog input channels: AI_1 and AI_2. AI_1 is analog torque input, and AI_2 is analog torque limit.
1811 1811  
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1812 1812  [[image:image-20220608153646-7.png||height="213" width="408"]]
1813 1813  
1814 1814  Figure 6-40 Analog input circuit
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1815 1815  
1816 1816  Taking AI_1 as an example, the method of setting torque instruction of analog voltage is as below.
1817 1817  
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1818 1818  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_186332b32f148c60.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_186332b32f148c60.gif"]]
1819 1819  
1820 1820  Figure 6-41 Analog voltage torque instruction setting steps
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1827 1827  
1828 1828  Dead zone: It is the corresponding analog input voltage interval when the sample voltage is 0.
1829 1829  
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1830 1830  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_9e37dbf27a47694a.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_9e37dbf27a47694a.gif"]]
1831 1831  
1832 1832  Figure 6-42 AI_1 diagram before and after bias
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1862 1862  
1863 1863  ✎**Note: **If the filter time constant is set too large, the responsiveness will be reduced. Please set it while confirming the responsiveness.
1864 1864  
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1865 1865  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_205df0eae349c586.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_205df0eae349c586.gif"]]
1866 1866  
1867 1867  Figure 6-43 Torque instruction-first-order filtering diagram
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1872 1872  
1873 1873  At any time, there is only one valid torque limit value. And the positive and negative torque limit values do not exceed the maximum torque of drive and motor and ±300.0% of the rated torque.
1874 1874  
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1875 1875  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_5150cab591eac5bc.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_5150cab591eac5bc.gif"]]
1876 1876  
1877 1877  Figure 6-44 Torque instruction limit diagram
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1949 1949  
1950 1950  In torque mode, the actual motor speed would be in the limited speed. After the speed limit is reached, the motor runs at a constant speed at the speed limit. The running curves are shown as __[[Figure 6-45>>http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_e1eced3568bc22d7.gif?rev=1.1]]__ and __[[Figure 6-46>>http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_79d479af8534745f.gif?rev=1.1]]__.
1951 1951  
1952 -|[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_e1eced3568bc22d7.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_e1eced3568bc22d7.gif"]]|[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_79d479af8534745f.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_79d479af8534745f.gif"]]
1957 +|(((
1958 +(% style="text-align:center" %)
1959 +[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_e1eced3568bc22d7.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_e1eced3568bc22d7.gif"]]
1960 +)))|(((
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1962 +[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_79d479af8534745f.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_79d479af8534745f.gif"]]
1963 +)))
1953 1953  |Figure 6-45 Forward running curve|Figure 6-46 Reverse running curve
1954 1954  
1955 1955  (% class="table-bordered" %)
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1997 1997  
1998 1998  The torque arrival function is used to determine whether the actual torque instruction reaches the set interval. When the actual torque instruction reaches the torque instruction threshold, the servo drive outputs a torque arrival signal (T-COIN) for the host computer use.
1999 1999  
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2000 2000  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_c5aa33a1ea3666a9.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_c5aa33a1ea3666a9.gif"]]
2001 2001  
2002 2002  Figure 6-47 Torque arrival output diagram
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2121 2121  
2122 2122  The relationship between encoder feedback position and rotating load position is shown in the figure below. (take a 17-bit encoder as an example).
2123 2123  
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2124 2124  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_f1dd9e5d93d026de.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_f1dd9e5d93d026de.gif"]]
2125 2125  
2126 2126  Figure 6-48 Diagram of relationship between encoder feedback position and rotating load position
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2138 2138  
2139 2139  The relationship between encoder feedback position and rotating load multi-turn is shown in the figure below (take a 23-bit encoder as an example).
2140 2140  
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2141 2141  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_e6f0ac4930ba15b8.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_e6f0ac4930ba15b8.gif"]]
2142 2142  
2143 2143  Figure 6-49 The relationship between encoder feedback position and rotating load position
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2158 2158  
2159 2159  Er.40 (Encoder battery failure) will occur when the battery is turned on for the first time, and the function code P10-03 must be set to 1 to clear the encoder fault to operate the absolute value system again.
2160 2160  
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2161 2161  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_e9fac7759607dce6.png?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_e9fac7759607dce6.png"]]
2162 2162  
2163 2163  Figure 6-50 the encoder battery box
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2204 2204  
2205 2205  Take the VDI_1 terminal assignment forward drive prohibition (03-POT) as an example, and the use steps of VDI are as the figure below.
2206 2206  
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2207 2207  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_d237b43521f07beb.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_d237b43521f07beb.gif"]]
2208 2208  
2209 2209  Figure 6-51 VDI_1 setting steps
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2308 2308  
2309 2309  Take the DO_2 terminal as communication VDO, and the use steps of VDI are as the figure below.
2310 2310  
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2311 2311  [[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_571b1f09b2ec0199.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_571b1f09b2ec0199.gif"]]
2312 2312  
2313 2313  Figure 6-52 VDO_2 setting steps
image-20220608153911-8.png
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