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Changes for page LX3V-4AD

Last modified by Devin Chen on 2024/11/27 15:04
From version 6.1
edited by Jim
on 2023/02/06 11:32
Change comment: There is no comment for this version
To version 8.1
edited by Jim
on 2023/08/02 10:13
Change comment: There is no comment for this version

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... ... @@ -41,6 +41,10 @@
41 41  1. If there is excessive electrical noise, connect the FG frame ground terminal with the grounded terminal on the LX3V-4AD.
42 42  1. Connect the ground terminal on the LX3V-4AD unit with the grounded terminal on the main unit. Use class 3 grounding on the main unit, if available.
43 43  
44 +**Note: when connect a 4-20ma sensor(need +24V working voltage), the wiring is as below:**
45 +
46 +[[image:企业微信截图_16771315134574.png]]
47 +
44 44  = **4 Installation** =
45 45  )))
46 46  
... ... @@ -109,47 +109,62 @@
109 109  
110 110  **Allocation of buffer memories (BFM)**
111 111  
112 -(% class="table-bordered" %)
113 -|=(% scope="row" style="width: 122px;" %)**BFM**|=(% colspan="9" style="width: 954px;" %)**Description**
114 -|=(% style="width: 122px;" %)*#0|(% colspan="9" style="width:954px" %)Channel initialization, default=H0000
115 -|=(% style="width: 122px;" %)*#1|(% style="width:242px" %)Channel 1|(% colspan="8" rowspan="4" style="width:712px" %)(((
116 +(% style="margin-left:auto; margin-right:auto" %)
117 +|=**BFM**|=(% colspan="9" %)**Description**
118 +|*#0|(% colspan="9" %)Channel initialization, default=H0000
119 +|*#1|Channel 1|(% colspan="8" rowspan="4" %)(((
116 116  Contains the number of samples (1 to 4096) to be used for an averaged result.
117 117  
118 118  The default setting is 8-normal speed. High speed operation can be selected with a value of 1.
119 119  )))
120 -|=(% style="width: 122px;" %)*#2|(% style="width:242px" %)Channel 2
121 -|=(% style="width: 122px;" %)*#3|(% style="width:242px" %)Channel 3
122 -|=(% style="width: 122px;" %)*#4|(% style="width:242px" %)Channel 4
123 -|=(% style="width: 122px;" %)#5|(% style="width:242px" %)Channel 1|(% colspan="8" rowspan="4" style="width:712px" %)These buffer memories contain the averaged input values for the number of samples entered for the channel in buffer memories #1 to #4 respectively.
124 -|=(% style="width: 122px;" %)#6|(% style="width:242px" %)Channel 2
125 -|=(% style="width: 122px;" %)#7|(% style="width:242px" %)Channel 3
126 -|=(% style="width: 122px;" %)#8|(% style="width:242px" %)Channel 4
127 -|=(% style="width: 122px;" %)#9|(% style="width:242px" %)Channel 1|(% colspan="8" rowspan="4" style="width:712px" %)These buffer memories contain the present value currently being read by each input channel.
128 -|=(% style="width: 122px;" %)#10|(% style="width:242px" %)Channel 2
129 -|=(% style="width: 122px;" %)#11|(% style="width:242px" %)Channel 3
130 -|=(% style="width: 122px;" %)#12|(% style="width:242px" %)Channel 4
131 -|=(% style="width: 122px;" %)#13-#14|(% colspan="9" style="width:954px" %)Reserved
132 -|=(% rowspan="2" style="width: 122px;" %)#15|(% rowspan="2" style="width:242px" %)Selection of A/D conversion speed please refer to note 2|(% colspan="8" style="width:712px" %)When set to 0, a normal speed is selected of 15m/s.ch (default)
133 -|=(% colspan="8" style="width: 712px;" %)When set to 1, a high speed is selected of 6m/s.ch
134 -|=(% style="width: 122px;" %)#16-#19|(% colspan="9" style="width:954px" %)Reserved
135 -|=(% style="width: 122px;" %)*#20|(% colspan="9" style="width:954px" %)Reset to Defaults and Preset. Default = 0
136 -|=(% style="width: 122px;" %)*#21|(% colspan="9" style="width:954px" %)(((
124 +|*#2|Channel 2
125 +|*#3|Channel 3
126 +|*#4|Channel 4
127 +|#5|Channel 1|(% colspan="8" rowspan="4" %)These buffer memories contain the averaged input values for the number of samples entered for the channel in buffer memories #1 to #4 respectively.
128 +|#6|Channel 2
129 +|#7|Channel 3
130 +|#8|Channel 4
131 +|#9|Channel 1|(% colspan="8" rowspan="4" %)These buffer memories contain the present value currently being read by each input channel.
132 +|#10|Channel 2
133 +|#11|Channel 3
134 +|#12|Channel 4
135 +|#13-#14|(% colspan="9" %)Reserved
136 +|(% rowspan="10" %)#15|(% rowspan="10" %)(((
137 +Selection of A/D conversion speed
138 +
139 +Please refer to note 2
140 +)))|(% colspan="4" %)Set value|(% colspan="4" %)(((
141 +Conversion time
142 +
143 +(Unit: ms/channel)
144 +)))
145 +|(% colspan="4" %)0 (Default)|(% colspan="4" %)15
146 +|(% colspan="4" %)1|(% colspan="4" %)6
147 +|(% colspan="4" %)10|(% colspan="4" %)3
148 +|(% colspan="4" %)11|(% colspan="4" %)4.5
149 +|(% colspan="4" %)12|(% colspan="4" %)7
150 +|(% colspan="4" %)13|(% colspan="4" %)12.5
151 +|(% colspan="4" %)14|(% colspan="4" %)23.5
152 +|(% colspan="4" %)15|(% colspan="4" %)45.5
153 +|(% colspan="4" %)16|(% colspan="4" %)101
154 +|#16-#19|(% colspan="9" %)Reserved
155 +|*#20|(% colspan="9" %)Reset to Defaults and Preset. Default = 0
156 +|*#21|(% colspan="9" %)(((
137 137  Offset, Gain Adjust Prohibit.
138 138  
139 139  Default = (0, 1) Permit
140 140  )))
141 -|=(% rowspan="2" style="width: 122px;" %)*#22|(% rowspan="2" style="width:242px" %)Offset, Gain Adjust|(% style="width:74px" %)b7|(% style="width:80px" %)b6|(% style="width:84px" %)b5|(% style="width:94px" %)b4|(% style="width:100px" %)b3|(% style="width:107px" %)b2|(% style="width:120px" %)b1|b0
142 -|=(% style="width: 74px;" %)G4|(% style="width:80px" %)O4|(% style="width:84px" %)G3|(% style="width:94px" %)O3|(% style="width:100px" %)G2|(% style="width:107px" %)O2|(% style="width:120px" %)G1|O1
143 -|=(% style="width: 122px;" %)*#23|(% colspan="9" style="width:954px" %)Offset Value Default = 0
144 -|=(% style="width: 122px;" %)*#24|(% colspan="9" style="width:954px" %)Gain Value Default = 5,000
145 -|=(% style="width: 122px;" %)#25-#28|(% colspan="9" style="width:954px" %)Reserved
146 -|=(% style="width: 122px;" %)#29|(% colspan="9" style="width:954px" %)Error status
147 -|=(% style="width: 122px;" %)#30|(% colspan="9" style="width:954px" %)(((
161 +|*#22|Offset, Gain Adjust|G4|04|G3|03|G2|01|G1|01
162 +|*#23|(% colspan="9" %)Offset Value    Default = 0
163 +|*#24|(% colspan="9" %)Gain Value      Default = 5,000
164 +|#25-#28|(% colspan="9" %)Reserved
165 +|#29|(% colspan="9" %)Error status
166 +|#30|(% colspan="9" %)(((
148 148  Identification code K2010 (12-bit resolution)
149 149  
150 150  Identification code K2011 (16-bit resolution)
151 151  )))
152 -|=(% style="width: 122px;" %)#31|(% colspan="9" style="width:954px" %)Hardware version
171 +|#31|(% colspan="9" %)Hardware version
153 153  
154 154  * In buffer memory locations (BFM’s) marked with an “*” data can be written from the PC using the TO command.
155 155  * For buffer memories (BFM’s) without “*”mark, data can be read to the PC using the FROM command.
... ... @@ -184,14 +184,15 @@
184 184  
185 185  **Analog to Digital Conversion Speed Change**
186 186  
187 -By writing 0 or 1 into BFM #15 of the LX3V-4AD, the speed at which A/D conversion is performed can be changed.
206 +By writing 0, 1 or decimal numbers between 10-16 into BFM#15 of the LX3V-4AD, the time at which A/D conversion is performed can be changed.
188 188  
189 -However the following points should be noted: To maintain a high speed conversion rate, use the FROM/TO commands as seldom as possible.
208 +However, the following points should be noted:
190 190  
191 -**✎Note: **
210 +1. To maintain a high-speed conversion, please use the FROM/TO commands as seldom as possible.
211 +1. When a conversion speed change occurs, BFM #1-#4 are set to their default values immediately after the change. Please be careful if an A/D time conversion will be part of the normal program execution.
212 +1. High-speed time conversion is usually used with BFM#1-#4.
213 +1. BFM#15 is configurated with the corresponding conversion time of 10-16, only supported by software version 20000 or above.
192 192  
193 -* When a conversion speed change is made, BFM #1-#4 are set to their default values immediately after the change. This is regardless of the values they held originally. Bear this in mind if a speed change will be made as part of the normal program execution.
194 -
195 195  **Adjusting Gain and Offset values**
196 196  
197 197  **Formula for Gain/Offset: Digital output= (Analog input-Offset)*Constant/ (Gain-Offset)**
... ... @@ -199,7 +199,15 @@
199 199  * When buffer memory BFM #20 is activated by setting it to K1, all settings within the analog special function block are reset to their default settings. This is a very quick method to erase any undesired gain and offset adjustments.
200 200  * If (b1, b0) of BFM #21 is set to (1, 0), gain and offset adjustments are prohibited to prevent inadvertent changes by the operator. In order to adjust the gain and offset values, bits (b1, b0) must be set to (0, 1). The default is (0, 1).
201 201  * Gain and offset values of BFM #23 and #24 are sent to non-volatile memory gain and offset registers of the specified input channels. Input channels to be adjusted are specified by the appropriate G-O (gain-offset) bits of BFM #22.
222 +* (((
223 +Example:
202 202  
225 +If bits G1 and O1 are set to 1, input channel 1 will be adjusted when BFM #22 is written to by a TO instruction.
226 +)))
227 +* Channels can be adjusted individually or together with the same gain and offset values.
228 +* Gain and offset values in BFM #23 #24 are in units of mV or µA. Due to the resolution of the unit the actual response will be in steps of 5mV or 20µA.
229 +* When gain is less than or equal to offset, error will be adjusted. Gain and offset will not change. Error status will be given at BFM#29 b1. B4-b7 will give a specific channel offset/gain error.
230 +
203 203  Example:
204 204  
205 205  If bits G1 and O1 are set to 1, input channel 1 will be adjusted when BFM #22 is written to by a TO instruction.
... ... @@ -209,15 +209,19 @@
209 209  
210 210  **Status Information BFM #29**
211 211  
212 -(% class="table-bordered" %)
213 -|=(% scope="row" style="width: 209px;" %)**Bit devices of BFM #29**|=(% style="width: 564px;" %)**ON**|=(% style="width: 303px;" %)**OFF**
214 -|=(% style="width: 209px;" %)b0: Error|(% style="width:564px" %)When any of b1 to b4 is ON. If any of b2 to b4 is ON, A/D conversion of all the channels is stopped|(% style="width:303px" %)No error
215 -|=(% style="width: 209px;" %)b1: Offset/gain error|(% style="width:564px" %)Offset/Gain data in EEPROM is corrupted or adjustment error.|(% style="width:303px" %)Offset/Gain data normal
216 -|=(% style="width: 209px;" %)b2: Power source abnormality|(% style="width:564px" %)24V DC power supply failure|(% style="width:303px" %)Power supply normal
217 -|=(% style="width: 209px;" %)b3: Hardware error|(% style="width:564px" %)A/D converter or other hardware failure|(% style="width:303px" %)Hardware normal
218 -|=(% style="width: 209px;" %)b10: Digital range error|(% style="width:564px" %)Digital output value is less than -2048 or more than +2047|(% style="width:303px" %)Averaging is normal. (between 1 and 4096)
219 -|=(% style="width: 209px;" %)b11: Averaging error|(% style="width:564px" %)Number of averaging samples is 4097 or more or 0 or less (default of 8 will be used)|(% style="width:303px" %)Averaging is normal. (between 1 and 4096)
220 -|=(% style="width: 209px;" %)b12: Adjust prohibit|(% style="width:564px" %)Prohibit-(b1, b0) of BFM #21 is set to (1, 0)|(% style="width:303px" %)Permit-(b1, b0) of BFM #21 is set to (0,1)
240 +(% style="margin-left:auto; margin-right:auto" %)
241 +|=**Bit devices of BFM #29**|=**ON**|=**OFF**
242 +|b0: Error|When any of b1 to b4 is ON. If any of b2 to b4 is ON, A/D conversion of all the channels is stopped|No error
243 +|b1: Offset/gain error|Offset/Gain data in EEPROM is corrupted or adjustment error.|Offset/Gain data normal
244 +|b2: Power source abnormality|24V DC power supply failure|Power supply normal
245 +|b3: Hardware error|A/D converter or other hardware failure|Hardware normal
246 +|b4: Channel 1 offset/gain error|(% rowspan="4" %)When channel offset/gain error is modified, the corresponding position is ON.|(% rowspan="4" %)Offset/Gain modification Normal
247 +|b5: Channel 2 offset/gain error
248 +|b6: Channel 3 offset/gain error
249 +|b7: Channel 4 offset/gain error
250 +|b10: Digital range error|Digital output value is less than -2048 or more than +2047|Averaging is normal. (Between 1 and 4096)
251 +|b11: Averaging error|Number of averaging samples is 4097 or more or 0 or less (default of 8 will be used)|Averaging is normal. (Between 1 and 4096)
252 +|b12: Adjust prohibit|Prohibit-(b1, b0) of BFM #21 is set to (1, 0)|Permit-(b1, b0) of BFM #21 is set to (0,1)
221 221  
222 222  **✎Note: **b4 to b7, b9 and b13 to b15 are undefined.
223 223  
... ... @@ -303,8 +303,18 @@
303 303  Adjustment ends.
304 304  
305 305  (K2)-> BFM#21. BFM#21 gain/offset adjust prohibit
338 +
339 +**High-speed conversion by changing A/D conversion time in a program**
340 +
341 +[[image:/bin/get/Expansions/1%20Module/Analog/LX3V-4AD/?sheet=CKEditor.ResourceDispatcher&outputSyntax=plain&language=en&type=attach&reference=6.3-%E5%9B%BE%E7%89%871.png&typed=||style="float:left"]]**[[image:6.3-图片1.png]]**
306 306  )))
307 307  
344 +Writing K10 to BFM#15 and set conversion time of all channels as 3ms.
345 +
346 +Writing 1 to BFM#1 and set Channel 1 sample count to 1 to Channel 1 high-speed conversion.
347 +
348 += =
349 +
308 308  = **7 Diagnostics** =
309 309  
310 310  **Preliminary checks**
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