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Changes for page LX3V-4AD

Last modified by Devin Chen on 2024/11/27 15:04
From version 10.1
edited by Jim
on 2023/08/07 11:12
Change comment: There is no comment for this version
To version 7.1
edited by Jim
on 2023/03/04 10:16
Change comment: There is no comment for this version

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... ... @@ -66,29 +66,29 @@
66 66  
67 67  **Analog Inputs**
68 68  
69 -(% style="margin-left:auto; margin-right:auto" %)
70 -|= |=**Voltage Input**|=**Current input**
71 -|=**Items**|(% colspan="2" %)Either voltage or current input can be selected with your choice of input terminal. Up to four input points can be used at one time.
72 -|=**Analog input range**|(((
69 +(% class="table-bordered" %)
70 +|=(% scope="row" style="width: 146px;" %) |=(% style="width: 455px;" %)**Voltage Input**|=(% style="width: 475px;" %)**Current input**
71 +|=(% style="width: 146px;" %)**Items**|(% colspan="2" style="width:930px" %)Either voltage or current input can be selected with your choice of input terminal. Up to four input points can be used at one time.
72 +|=(% style="width: 146px;" %)**Analog input range**|(% style="width:455px" %)(((
73 73  DC -10V to +10V (input resistance: 200kΩ).
74 74  
75 75  Warning: this unit may be damaged by input voltage in excess of ±15V
76 -)))|(((
76 +)))|(% style="width:475px" %)(((
77 77  DC -20mA to +20mA (input resistance: 250Ω).
78 78  
79 79  Warning: this unit may be damaged by input currents in excess of ±32mA.
80 80  )))
81 -|=**Digital output**|(% colspan="2" %)(((
81 +|=(% style="width: 146px;" %)**Digital output**|(% colspan="2" style="width:930px" %)(((
82 82  12-bit conversion stored in 16-bit 2’s complement form
83 83  
84 -Maximum value: +2047 Minimum value: -2048
84 +Maximum value:+2047 Minimum value:-2048
85 85  )))
86 -|=**Analog accuracy**|±1% (for the range of -10V to +10V)|±1% (for the range of -20mA to +20mA)
87 -|=(((
86 +|=(% style="width: 146px;" %)**Analog accuracy**|(% style="width:455px" %)±1% (for the range of -10V to +10V)|(% style="width:475px" %)±1% (for the range of -20mA to +20mA)
87 +|=(% style="width: 146px;" %)(((
88 88  **Conversion**
89 89  
90 -**time for each channel**
91 -)))|(% colspan="2" %)Tconv ≤10ms (High-speed), 10ms≤Tconv≤20ms (Middle speed), Tconv>20ms (Low speed)
90 +**speed**
91 +)))|(% colspan="2" style="width:930px" %)15ms/channel (Normal speed), 6ms/channel (High speed)
92 92  
93 93  **Analog Inputs continued...**
94 94  
... ... @@ -113,72 +113,57 @@
113 113  
114 114  **Allocation of buffer memories (BFM)**
115 115  
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 +(% class="table-bordered" %)
117 +|=(% scope="row" style="width: 122px;" %)**BFM**|=(% colspan="9" style="width: 954px;" %)**Description**
118 +|=(% style="width: 122px;" %)*#0|(% colspan="9" style="width:954px" %)Channel initialization, default=H0000
119 +|=(% style="width: 122px;" %)*#1|(% style="width:242px" %)Channel 1|(% colspan="8" rowspan="4" style="width:712px" %)(((
120 120  Contains the number of samples (1 to 4096) to be used for an averaged result.
121 121  
122 122  The default setting is 8-normal speed. High speed operation can be selected with a value of 1.
123 123  )))
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" %)(((
124 +|=(% style="width: 122px;" %)*#2|(% style="width:242px" %)Channel 2
125 +|=(% style="width: 122px;" %)*#3|(% style="width:242px" %)Channel 3
126 +|=(% style="width: 122px;" %)*#4|(% style="width:242px" %)Channel 4
127 +|=(% 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.
128 +|=(% style="width: 122px;" %)#6|(% style="width:242px" %)Channel 2
129 +|=(% style="width: 122px;" %)#7|(% style="width:242px" %)Channel 3
130 +|=(% style="width: 122px;" %)#8|(% style="width:242px" %)Channel 4
131 +|=(% 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.
132 +|=(% style="width: 122px;" %)#10|(% style="width:242px" %)Channel 2
133 +|=(% style="width: 122px;" %)#11|(% style="width:242px" %)Channel 3
134 +|=(% style="width: 122px;" %)#12|(% style="width:242px" %)Channel 4
135 +|=(% style="width: 122px;" %)#13-#14|(% colspan="9" style="width:954px" %)Reserved
136 +|=(% 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)
137 +|=(% colspan="8" style="width: 712px;" %)When set to 1, a high speed is selected of 6m/s.ch
138 +|=(% style="width: 122px;" %)#16-#19|(% colspan="9" style="width:954px" %)Reserved
139 +|=(% style="width: 122px;" %)*#20|(% colspan="9" style="width:954px" %)Reset to Defaults and Preset. Default = 0
140 +|=(% style="width: 122px;" %)*#21|(% colspan="9" style="width:954px" %)(((
157 157  Offset, Gain Adjust Prohibit.
158 158  
159 159  Default = (0, 1) Permit
160 160  )))
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" %)(((
145 +|=(% 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
146 +|=(% 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
147 +|=(% style="width: 122px;" %)*#23|(% colspan="9" style="width:954px" %)Offset Value Default = 0
148 +|=(% style="width: 122px;" %)*#24|(% colspan="9" style="width:954px" %)Gain Value Default = 5,000
149 +|=(% style="width: 122px;" %)#25-#28|(% colspan="9" style="width:954px" %)Reserved
150 +|=(% style="width: 122px;" %)#29|(% colspan="9" style="width:954px" %)Error status
151 +|=(% style="width: 122px;" %)#30|(% colspan="9" style="width:954px" %)(((
167 167  Identification code K2010 (12-bit resolution)
168 168  
169 169  Identification code K2011 (16-bit resolution)
170 170  )))
171 -|#31|(% colspan="9" %)Hardware version
156 +|=(% style="width: 122px;" %)#31|(% colspan="9" style="width:954px" %)Hardware version
172 172  
173 -(% class="box infomessage" %)
174 -(((
175 -**✎Note: **
176 -
177 177  * In buffer memory locations (BFM’s) marked with an “*” data can be written from the PC using the TO command.
178 178  * For buffer memories (BFM’s) without “*”mark, data can be read to the PC using the FROM command.
179 179  * Before reading from the analog special function block, ensure these settings have been sent to the analog special function block. Otherwise, the previous values held in the analog block will be used.
180 180  * Offset (intercept): The analog input value when the digital output becomes 0.
181 181  * Gain (slope): The analog input value when the digital output becomes +1000.
163 +
164 +(% class="box infomessage" %)
165 +(((
166 +**✎Note: **
182 182  )))
183 183  
184 184  **Channel Selection**
... ... @@ -203,15 +203,14 @@
203 203  
204 204  **Analog to Digital Conversion Speed Change**
205 205  
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.
191 +By writing 0 or 1 into BFM #15 of the LX3V-4AD, the speed at which A/D conversion is performed can be changed.
207 207  
208 -However, the following points should be noted:
193 +However the following points should be noted: To maintain a high speed conversion rate, use the FROM/TO commands as seldom as possible.
209 209  
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.
195 +**✎Note: **
214 214  
197 +* 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.
198 +
215 215  **Adjusting Gain and Offset values**
216 216  
217 217  **Formula for Gain/Offset: Digital output= (Analog input-Offset)*Constant/ (Gain-Offset)**
... ... @@ -219,15 +219,7 @@
219 219  * 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.
220 220  * 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).
221 221  * 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:
224 224  
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 -
231 231  Example:
232 232  
233 233  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.
... ... @@ -237,21 +237,17 @@
237 237  
238 238  **Status Information BFM #29**
239 239  
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 adjustment 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)
216 +(% class="table-bordered" %)
217 +|=(% scope="row" style="width: 209px;" %)**Bit devices of BFM #29**|=(% style="width: 564px;" %)**ON**|=(% style="width: 303px;" %)**OFF**
218 +|=(% 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
219 +|=(% 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
220 +|=(% style="width: 209px;" %)b2: Power source abnormality|(% style="width:564px" %)24V DC power supply failure|(% style="width:303px" %)Power supply normal
221 +|=(% style="width: 209px;" %)b3: Hardware error|(% style="width:564px" %)A/D converter or other hardware failure|(% style="width:303px" %)Hardware normal
222 +|=(% 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)
223 +|=(% 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)
224 +|=(% 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)
253 253  
254 -**✎Note: **b8, b9 and b13 to b15 are undefined.
226 +**✎Note: **b4 to b7, b9 and b13 to b15 are undefined.
255 255  
256 256  **Identification Code BFM #30**
257 257  
... ... @@ -286,7 +286,7 @@
286 286  
287 287  Offset and gain can be set independently or together. Reasonable offset ranges are -5 to +5V or -20mA to 20mA, and gain values 1V to 15V or 4mA to 32mA. Gain and offset can be adjusted by software in the LX3V main unit (please refer to program example 2).
288 288  
289 -* Bit device’s b1, b0 of the gain/offset BFM #21 should be set to 0, 1 to allow adjustment.
261 +* Bit device’s b1, b2 of the gain/offset BFM #21 should be set to 0, 1 to allow adjustment.
290 290  * Once adjustment is complete these bit devices should be set to 1, 0 to prohibit any further changes.
291 291  * Channel initialization (BFM #0) should be set to the nearest range, i. e. voltage/current etc.
292 292  
... ... @@ -294,20 +294,19 @@
294 294  
295 295  **Basic program**
296 296  
297 -In the following example channels CH1 and CH2 are used as voltage inputs. The LX3V-4AD block is connected at the position of special function block No.0. Averaging is set at 4 and data registers D0 and D1 of the PC receive the averaged digital data. The FROM code for the special function block at position “0" is read from BFM #30 of that block and stored at D4 in the main unit. CMP is compared to check the block is a LX3V-4AD, if OK M1 is turned ON.
269 +In the following example channels CH1 and CH2 are used as voltage inputs. The LX3V-4AD block is connected at the position of special function block No.0. Averaging is set at 4 and data registers D0 and D1 of the PC receive the averaged digital data.
298 298  
299 -[[image:LX3V-4AD_html_e3a9b9608260f138.png||height="297" style="float:left" width="600" class="img-thumbnail"]]
271 +(% style="text-align:center" %)
272 +[[image:LX3V-4AD_html_e3a9b9608260f138.png||height="297" width="600" class="img-thumbnail"]]
300 300  
301 301  **✎Note: **
302 302  
276 +1. The FROM code for the special function block at position “0" is read from BFM #30 of that block and stored at D4 in the main unit. CMP is compared to check the block is a LX3V-4AD, if OK M1 is turned ON.
303 303  1. TO code: The analog input channels (CH1, CH2) are setup by writing H3300 to BFM #0 of the LX3V-4AD
304 304  1. The number of averaged samples for CH1 and CH2 is set to 4 by writing 4 to BFM #1 and #2 respectively.
305 305  1. The operational status of the LX3V-4AD is read from BFM #29 and output as bit devices at the LX3V main unit. If there are no errors in the operation of the LX3V-4AD, then the averaged data BFM’s are read.
306 306  1. In the case of this example BFM #5 and #6 are read into the LX3V main unit and stored at D0 and D1. These devices contain the averaged data for CH1 and CH2 respectively.
307 307  
308 -
309 -
310 -
311 311  **Using gain and offset in a program**
312 312  
313 313  The gain and offset of the LX3V-4AD can be adjusted using push-button switches on the input terminal of the PC. It can also be adjusted using software settings sent from the PC.
... ... @@ -336,18 +336,8 @@
336 336  Adjustment ends.
337 337  
338 338  (K2)-> BFM#21. BFM#21 gain/offset adjust prohibit
339 -
340 -**High-speed conversion by changing A/D conversion time in a program**
341 -
342 -[[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]][[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]]**[[image:6.3-图片1.png]]**
343 343  )))
344 344  
345 -Writing K10 to BFM#15 and set conversion time of all channels as 3ms.
346 -
347 -Writing 1 to BFM#1 and set Channel 1 sample count to 1 to Channel 1 high-speed conversion.
348 -
349 -= =
350 -
351 351  = **7 Diagnostics** =
352 352  
353 353  **Preliminary checks**
6.3-图片1.png
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