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Changes for page LX3V-4AD

Last modified by Devin Chen on 2024/11/27 15:04
From version 13.1
edited by Jim
on 2023/08/07 16:28
Change comment: There is no comment for this version
To version 2.2
edited by Leo Wei
on 2022/06/08 14:42
Change comment: Update document after refactoring.

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Jim
1 +XWiki.admin
Content
... ... @@ -8,110 +8,38 @@
8 8  = **2 Dimensions** =
9 9  
10 10  (% style="text-align:center" %)
11 -[[image:LX3V-4AD_html_5159808b9e4fa86a.png||height="391" width="1000" class="img-thumbnail"]]
11 +[[image:LX3V-4AD_html_5159808b9e4fa86a.png||class="img-thumbnail" height="391" width="1000"]]
12 12  
13 -1. (((
14 -Extension cable and connector
15 -)))
16 -1. (((
17 -COM LED: Light when communicating Error LED: Channel calibration indicators
18 -)))
19 -1. (((
20 -Power LED: Light when connect to 24V
21 -)))
22 -1. (((
23 -State LED: Light when normal condition
24 -)))
25 -1. (((
26 -Link LED: Light when communicate with PLC
27 -)))
28 -1. (((
29 -Module name
30 -)))
31 -1. (((
32 -Extension module interface
33 -)))
34 -1. (((
35 -DIN rail mounting slot
36 -)))
37 -1. (((
38 -DIN rail hook
39 -)))
40 -1. (((
41 -Holes for direct installation: 2 places (Φ4.5)
42 -)))
13 +① Extension cable and connector
43 43  
44 -(((
45 -(% style="margin-left:auto; margin-right:auto" %)
46 -|=**Name**|=**Description**|=**Light status**|=**Event status**
47 -|(% rowspan="2" %)(((
48 -COM LED
15 +② COM LED: Light when communicating
49 49  
50 -
51 -)))|(% rowspan="2" %)(((
52 -Communication indicator for communication board and acquisition board
17 +③ Power LED: Light when connect to 24V
53 53  
54 -
55 -)))|Flashing|Data interacting
56 -|Off|Data interaction error/stop/failure
57 -|(% rowspan="2" %)(((
58 -ERR LED
19 +④ State LED: Light when normal condition
59 59  
60 -
61 -)))|(% rowspan="2" %)(((
62 -Factory calibration LED
21 +⑤ Module name
63 63  
64 -
65 -)))|Off|Factory calibrated
66 -|Lighting|Factory uncalibrated
67 -|(% rowspan="2" %)(((
68 -24V LED
23 +⑥ Analog signal output terminal
69 69  
70 -
71 -)))|(% rowspan="2" %)(((
72 -Power indicator
25 +⑦ Extension module interface
73 73  
74 -
75 -)))|Off|24V power is abnormal.
76 -|Lighting|24V power is normal.
77 -|(% rowspan="3" %)(((
78 -LINK LED
27 +⑧ DIN rail mounting slot
79 79  
80 -
81 -)))|(% rowspan="3" %)(((
82 -Communication indicator for PLC and expansion module
29 +⑨ DIN rail hook
83 83  
84 -
85 -)))|Flashing|Data interacting
86 -|Off|Data interaction error/stop/failure
87 -|Lighting|Software running abnormal or hardware failure
88 -|(% rowspan="3" %)(((
89 -AD LED
31 +(((
32 +* Please use crimp terminals as indicated on the graph.
33 +* The tightening torque should be applied 5 to 8 Kg.cm.
90 90  
91 -
92 -)))|(% rowspan="3" %)(((
93 -4 channel indicators
94 -
95 -
96 -)))|Flashing|Input voltage or current range exceed limit or channel unconnected
97 -|Off|Channel closed
98 -|Lighting|Input analog is in the normal range
99 -
100 100  (% style="text-align:center" %)
101 -[[image:LX3V-4AD_html_5bc4b53029347d0f.png||height="309" width="618" class="img-thumbnail"]]
36 +[[image:LX3V-4AD_html_5bc4b53029347d0f.png||class="img-thumbnail" height="195" width="400"]]
102 102  
103 -
104 -Please use crimp terminals as indicated on the graph.
105 -
106 -The tightening torque should be applied 5 to 8 Kg.cm.
107 -
108 -= =
109 -
110 110  = **3 Terminal layouts** =
39 +)))
111 111  
112 112  (% style="text-align:center" %)
113 -[[image:image-20220728103451-1.png||class="img-thumbnail"]]
114 -)))
42 +[[image:LX3V-4AD_html_5dc7f9d73b00bd35.png||class="img-thumbnail" height="604" width="600"]]
115 115  
116 116  (((
117 117  1. The analog input is received through a twisted pair shielded cable. This cable should be wired separately from power lines or any other lines which may induce electrical noise.
... ... @@ -120,9 +120,11 @@
120 120  1. If there is excessive electrical noise, connect the FG frame ground terminal with the grounded terminal on the LX3V-4AD.
121 121  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.
122 122  
123 -**Note: when connect a 4-20ma sensor(need +24V working voltage), the wiring is as below:**
51 +(% style="text-align:center" %)
52 +[[image:4-20mA 2-wire.png||class="img-thumbnail" height="528" width="600"]]
124 124  
125 -[[image:企业微信截图_16771315134574.png]]
54 +(% style="text-align:center" %)
55 +[[image:4-20mA 3-wire.png||class="img-thumbnail" height="510" width="600"]]
126 126  
127 127  = **4 Installation** =
128 128  )))
... ... @@ -130,25 +130,25 @@
130 130  **Environment specification**
131 131  
132 132  (% class="table-bordered" %)
133 -|=(% style="width: 490px;" %)**Item**|=(% style="width: 585px;" %)**Specification**
134 -|(% style="width:490px" %)Environmental specifications (excluding following)|(% style="width:585px" %)Same as those for the LX3V main unit
135 -|(% style="width:490px" %)Dielectric withstand voltage|(% style="width:585px" %)500VAC, 1min (between all terminals and ground)
63 +|**Item**|**Specification**
64 +|Environmental specifications (excluding following)|Same as those for the LX3V main unit
65 +|Dielectric withstand voltage|500VAC, 1min (between all terminals and ground)
136 136  
137 137  **Power supply specification**
138 138  
139 139  (% class="table-bordered" %)
140 -|=(% style="width: 294px;" %)**Item**|=(% style="width: 781px;" %)**Specification**
141 -|(% style="width:294px" %)Analog circuits|(% style="width:781px" %)24V DC ± 10%, 55mA (external power supply from main unit)
142 -|(% style="width:294px" %)Digital circuits|(% style="width:781px" %)5V DC, 90mA (internal power supply from main unit)
70 +|**Item**|**Specification**
71 +|Analog circuits|24V DC ± 10%, 55mA (external power supply from main unit)
72 +|Digital circuits|5V DC, 90mA (internal power supply from main unit)
143 143  
144 144  **Performance specification**
145 145  
146 146  **Analog Inputs**
147 147  
148 -(% style="margin-left:auto; margin-right:auto" %)
149 -|= |=**Voltage Input**|=**Current input**
150 -|=**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.
151 -|=**Analog input range**|(((
78 +(% class="table-bordered" %)
79 +| |**Voltage Input**|**Current input**
80 +|**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.
81 +|**Analog input range**|(((
152 152  DC -10V to +10V (input resistance: 200kΩ).
153 153  
154 154  Warning: this unit may be damaged by input voltage in excess of ±15V
... ... @@ -157,34 +157,33 @@
157 157  
158 158  Warning: this unit may be damaged by input currents in excess of ±32mA.
159 159  )))
160 -|=**Digital output**|(% colspan="2" %)(((
90 +|**Digital output**|(% colspan="2" %)(((
161 161  12-bit conversion stored in 16-bit 2’s complement form
162 162  
163 -Maximum value: +2047 Minimum value: -2048
93 +Maximum value:+2047 Minimum value:-2048
164 164  )))
165 -|=**Analog accuracy**|±1% (for the range of -10V to +10V)|±1% (for the range of -20mA to +20mA)
166 -|=(((
95 +|**Analog accuracy**|±1% (for the range of -10V to +10V)|±1% (for the range of -20mA to +20mA)
96 +|(((
167 167  **Conversion**
168 168  
169 -**time for each channel**
170 -)))|(% colspan="2" %)Tconv ≤10ms (High-speed), 10ms≤Tconv≤20ms (Middle speed), Tconv>20ms (Low speed)
99 +**speed**
100 +)))|(% colspan="2" %)15ms/channel (Normal speed), 6ms/channel (High speed)
171 171  
172 172  **Analog Inputs continued...**
173 173  
174 174  (% class="table-bordered" %)
175 -|=**Preset 0 (-10V to +10V)**|=**Preset 1 (+4mA to +20mA)**|=**Preset 2 (-20mA to +20mA)**
176 -|[[image:LX3V-4AD_html_8bdc9efc08b433c8.png||height="371" width="420" class="img-thumbnail"]]|[[image:LX3V-4AD_html_a268382a2adb0b80.png||height="345" width="420" class="img-thumbnail"]]|[[image:LX3V-4AD_html_a58cfb9f37ade123.png||height="363" width="420" class="img-thumbnail"]]
105 +|**Preset 0 (-10V to +10V)**|**Preset 1 (+4mA to +20mA)**|**Preset 2 (-20mA to +20mA)**
106 +|[[image:LX3V-4AD_html_8bdc9efc08b433c8.png||class="img-thumbnail"]]|[[image:LX3V-4AD_html_a268382a2adb0b80.png||class="img-thumbnail"]]|[[image:LX3V-4AD_html_a58cfb9f37ade123.png||class="img-thumbnail"]]
177 177  
178 -(% class="box infomessage" %)
179 -(((
180 -**✎Note: **Preset ranges are selected by an appropriate setting in buffer memory of the analog block. Current/Voltage input selection must match the correct input terminal connections.
181 -)))
108 +**✎Note: **
182 182  
110 +Preset ranges are selected by an appropriate setting in buffer memory of the analog block. Current/Voltage input selection must match the correct input terminal connections.
111 +
183 183  **Miscellaneous**
184 184  
185 185  (% class="table-bordered" %)
186 -|=(% scope="row" style="width: 147px;" %)**Item**|=(% style="width: 928px;" %)**Description**
187 -|=(% style="width: 147px;" %)Isolation|(% style="width:928px" %)(((
115 +|**Item**|**Description**
116 +|Isolation|(((
188 188  Photo-couple isolation between analog and digital circuits. DC/DC converter isolation of power from LX3VCPU.
189 189  
190 190  No isolation between analog channels.
... ... @@ -192,44 +192,28 @@
192 192  
193 193  **Allocation of buffer memories (BFM)**
194 194  
195 -(% style="margin-left:auto; margin-right:auto" %)
196 -|=**BFM**|=(% colspan="9" %)**Description**
124 +(% class="table-bordered" %)
125 +|**BFM**|(% colspan="9" %)**Description**
197 197  |*#0|(% colspan="9" %)Channel initialization, default=H0000
198 -|*#1|Channel 1|(% colspan="8" rowspan="4" %)(((
127 +|*#1|(% style="width:244px" %)Channel 1|(% colspan="8" rowspan="4" style="width:769px" %)(((
199 199  Contains the number of samples (1 to 4096) to be used for an averaged result.
200 200  
201 201  The default setting is 8-normal speed. High speed operation can be selected with a value of 1.
202 202  )))
203 -|*#2|Channel 2
204 -|*#3|Channel 3
205 -|*#4|Channel 4
206 -|#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.
207 -|#6|Channel 2
208 -|#7|Channel 3
209 -|#8|Channel 4
210 -|#9|Channel 1|(% colspan="8" rowspan="4" %)These buffer memories contain the present value currently being read by each input channel.
211 -|#10|Channel 2
212 -|#11|Channel 3
213 -|#12|Channel 4
132 +|*#2|(% style="width:244px" %)Channel 2
133 +|*#3|(% style="width:244px" %)Channel 3
134 +|*#4|(% style="width:244px" %)Channel 4
135 +|#5|(% style="width:244px" %)Channel 1|(% colspan="8" rowspan="4" style="width:769px" %)These buffer memories contain the averaged input values for the number of samples entered for the channel in buffer memories #1 to #4 respectively.
136 +|#6|(% style="width:244px" %)Channel 2
137 +|#7|(% style="width:244px" %)Channel 3
138 +|#8|(% style="width:244px" %)Channel 4
139 +|#9|(% style="width:244px" %)Channel 1|(% colspan="8" rowspan="4" style="width:769px" %)These buffer memories contain the present value currently being read by each input channel.
140 +|#10|(% style="width:244px" %)Channel 2
141 +|#11|(% style="width:244px" %)Channel 3
142 +|#12|(% style="width:244px" %)Channel 4
214 214  |#13-#14|(% colspan="9" %)Reserved
215 -|(% rowspan="10" %)#15|(% rowspan="10" %)(((
216 -Selection of A/D conversion speed
217 -
218 -Please refer to note 2
219 -)))|(% colspan="4" %)Set value|(% colspan="4" %)(((
220 -Conversion time
221 -
222 -(Unit: ms/channel)
223 -)))
224 -|(% colspan="4" %)0 (Default)|(% colspan="4" %)15
225 -|(% colspan="4" %)1|(% colspan="4" %)6
226 -|(% colspan="4" %)10|(% colspan="4" %)3
227 -|(% colspan="4" %)11|(% colspan="4" %)4.5
228 -|(% colspan="4" %)12|(% colspan="4" %)7
229 -|(% colspan="4" %)13|(% colspan="4" %)12.5
230 -|(% colspan="4" %)14|(% colspan="4" %)23.5
231 -|(% colspan="4" %)15|(% colspan="4" %)45.5
232 -|(% colspan="4" %)16|(% colspan="4" %)101
144 +|(% rowspan="2" %)#15|(% rowspan="2" style="width:244px" %)Selection of A/D conversion speed please refer to note 2|(% colspan="8" style="width:769px" %)When set to 0, a normal speed is selected of 15m/s.ch (default)
145 +|(% colspan="8" style="width:769px" %)When set to 1, a high speed is selected of 6m/s.ch
233 233  |#16-#19|(% colspan="9" %)Reserved
234 234  |*#20|(% colspan="9" %)Reset to Defaults and Preset. Default = 0
235 235  |*#21|(% colspan="9" %)(((
... ... @@ -237,9 +237,10 @@
237 237  
238 238  Default = (0, 1) Permit
239 239  )))
240 -|*#22|Offset, Gain Adjust|G4|04|G3|03|G2|01|G1|01
241 -|*#23|(% colspan="9" %)Offset Value    Default = 0
242 -|*#24|(% colspan="9" %)Gain Value      Default = 5,000
153 +|(% rowspan="2" %)*#22|(% rowspan="2" style="width:244px" %)Offset, Gain Adjust|(% style="width:84px" %)b7|(% style="width:91px" %)b6|(% style="width:94px" %)b5|(% style="width:94px" %)b4|(% style="width:100px" %)b3|(% style="width:107px" %)b2|(% style="width:120px" %)b1|b0
154 +|(% style="width:84px" %)G4|(% style="width:91px" %)O4|(% style="width:94px" %)G3|(% style="width:94px" %)O3|(% style="width:100px" %)G2|(% style="width:107px" %)O2|(% style="width:120px" %)G1|O1
155 +|*#23|(% colspan="9" %)Offset Value Default = 0
156 +|*#24|(% colspan="9" %)Gain Value Default = 5,000
243 243  |#25-#28|(% colspan="9" %)Reserved
244 244  |#29|(% colspan="9" %)Error status
245 245  |#30|(% colspan="9" %)(((
... ... @@ -249,48 +249,46 @@
249 249  )))
250 250  |#31|(% colspan="9" %)Hardware version
251 251  
252 -(% class="box infomessage" %)
253 -(((
254 -**✎Note: **
255 -
256 256  * In buffer memory locations (BFM’s) marked with an “*” data can be written from the PC using the TO command.
257 257  * For buffer memories (BFM’s) without “*”mark, data can be read to the PC using the FROM command.
258 258  * 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.
259 259  * Offset (intercept): The analog input value when the digital output becomes 0.
260 260  * Gain (slope): The analog input value when the digital output becomes +1000.
261 -)))
262 262  
263 -**Channel Selection**
172 +**✎Note: **
264 264  
174 +* **Channel Selection**
175 +
265 265  Channel initialization is made by a 4 character HEX number HOOOO in buffer memory BFM #0. The least significant character controls channel 1 and the 4 character controls channel4.
266 266  
267 267  (% class="table-bordered" %)
268 -|=(% scope="row" %)**BFM#0**|=**Analog input**|=**Digital output**|=**Resolution**|=**Offset/Gain**|=**Constant**
269 -|=0|-10V~~10V|-2000~~2000|5 mV|0/5000|1000
270 -|=1|4mA~~20mA|0~~1000|16µA|4000/20000|1000
271 -|=2|-20mA~~20mA|-1000~~1000|20µA|0/20000|1000
272 -|=3|Disabled|/|/|/|/
273 -|=4|-10V~~10V|-10000~~10000|1mV|0/5000|10000
274 -|=5|4 mA ~~20mA|0~~10000|1.6µA|4000/20000|10000
275 -|=6|-20mA~~20mA|-10000~~10000|2.0µA|0/20000|10000
179 +|**BFM#0**|**Analog input**|**Digital output**|**Resolution**|**Offset/Gain**|**Constant**
180 +|0|-10V~~10V|-2000~~2000|5 mV|0/5000|1000
181 +|1|4mA~~20mA|0~~1000|16µA|4000/20000|1000
182 +|2|-20mA~~20mA|-1000~~1000|20µA|0/20000|1000
183 +|3|Disabled|/|/|/|/
184 +|4|-10V~~10V|-10000~~10000|1mV|0/5000|10000
185 +|5|4 mA ~~20mA|0~~10000|1.6µA|4000/20000|10000
186 +|6|-20mA~~20mA|-10000~~10000|2.0µA|0/20000|10000
276 276  
277 277  **Example: H3310**
278 278  
279 -* CH1: Preset range (-10V to +10V).
280 -* CH2: Preset range (+4mA to +20mA).
281 -* CH3, CH4: Channel OFF.
190 +CH1: Preset range (-10V to +10V).
282 282  
283 -**Analog to Digital Conversion Speed Change**
192 +CH2: Preset range (+4mA to +20mA).
284 284  
285 -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.
194 +CH3, CH4: Channel OFF.
286 286  
287 -However, the following points should be noted:
196 +* **Analog to Digital Conversion Speed Change**
288 288  
289 -1. To maintain a high-speed conversion, please use the FROM/TO commands as seldom as possible.
290 -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.
291 -1. High-speed time conversion is usually used with BFM#1-#4.
292 -1. BFM#15 is configurated with the corresponding conversion time of 10-16, only supported by software version 20000 or above.
198 +By writing 0 or 1 into BFM #15 of the LX3V-4AD, the speed at which A/D conversion is performed can be changed.
293 293  
200 +However the following points should be noted: To maintain a high speed conversion rate, use the FROM/TO commands as seldom as possible.
201 +
202 +**✎Note: **
203 +
204 +* 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.
205 +
294 294  **Adjusting Gain and Offset values**
295 295  
296 296  **Formula for Gain/Offset: Digital output= (Analog input-Offset)*Constant/ (Gain-Offset)**
... ... @@ -298,15 +298,7 @@
298 298  * 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.
299 299  * 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).
300 300  * 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.
301 -* (((
302 -Example:
303 303  
304 -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.
305 -)))
306 -* Channels can be adjusted individually or together with the same gain and offset values.
307 -* 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.
308 -* 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.
309 -
310 310  Example:
311 311  
312 312  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.
... ... @@ -316,22 +316,20 @@
316 316  
317 317  **Status Information BFM #29**
318 318  
319 -(% style="margin-left:auto; margin-right:auto" %)
320 -|=**Bit devices of BFM #29**|=**ON**|=**OFF**
321 -|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
322 -|b1: Offset/gain error|Offset/Gain data in EEPROM is corrupted or adjustment error.|Offset/Gain data normal
323 -|b2: Power source abnormality|24V DC power supply failure|Power supply normal
324 -|b3: Hardware error|A/D converter or other hardware failure|Hardware normal
325 -|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
326 -|b5: Channel 2 offset/gain error
327 -|b6: Channel 3 offset/gain error
328 -|b7: Channel 4 offset/gain error
329 -|b10: Digital range error|Digital output value is less than -2048 or more than +2047|Averaging is normal. (Between 1 and 4096)
330 -|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)
331 -|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)
223 +(% class="table-bordered" %)
224 +|**Bit devices of BFM #29**|(% style="width:570px" %)**ON**|(% style="width:313px" %)**OFF**
225 +|b0: Error|(% style="width:570px" %)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:313px" %)No error
226 +|b1: Offset/gain error|(% style="width:570px" %)Offset/Gain data in EEPROM is corrupted or adjustment error.|(% style="width:313px" %)Offset/Gain data normal
227 +|b2: Power source abnormality|(% style="width:570px" %)24V DC power supply failure|(% style="width:313px" %)Power supply normal
228 +|b3: Hardware error|(% style="width:570px" %)A/D converter or other hardware failure|(% style="width:313px" %)Hardware normal
229 +|b10: Digital range error|(% style="width:570px" %)Digital output value is less than -2048 or more than +2047|(% style="width:313px" %)Averaging is normal. (between 1 and 4096)
230 +|b11: Averaging error|(% style="width:570px" %)Number of averaging samples is 4097 or more or 0 or less (default of 8 will be used)|(% style="width:313px" %)Averaging is normal. (between 1 and 4096)
231 +|b12: Adjust prohibit|(% style="width:570px" %)Prohibit-(b1, b0) of BFM #21 is set to (1, 0)|(% style="width:313px" %)Permit-(b1, b0) of BFM #21 is set to (0,1)
332 332  
333 -**✎Note: **b8, b9 and b13 to b15 are undefined.
233 +**✎Note: **
334 334  
235 +* b4 to b7, b9 and b13 to b15 are undefined.
236 +
335 335  **Identification Code BFM #30**
336 336  
337 337  The identification (or ID) code number for a Special Function Block is read using the FROM command.
... ... @@ -350,35 +350,41 @@
350 350  
351 351  Gain determines the angle or slope of the calibration line, identified at a digital value of 1000.
352 352  
353 -* (a) Small gain: Large steps in digital readings
354 -* (b) Zero gain: Default is 5V or 20mA.
355 -* (c) Large gain: Small steps in digital readings.
255 +(a) Small gain: Large steps in digital readings
356 356  
257 +(b) Zero gain: Default is 5V or 20mA.
258 +
259 +(c) Large gain: Small steps in digital readings.
260 +
357 357  Offset is the “Position” of the calibrated line, identified at a digital value of 0.
358 358  
359 -* (d) Negative offset.
360 -* (e) Zero offset: Default is 0V or 4mA.
361 -* (f) Positive offset.
263 +(d) Negative offset.
362 362  
265 +(e) Zero offset: Default is 0V or 4mA.
266 +
267 +(f) Positive offset.
268 +
363 363  (% style="text-align:center" %)
364 -[[image:LX3V-4AD_html_f78533c1d988f63f.png||height="298" width="800" class="img-thumbnail"]]
270 +[[image:LX3V-4AD_html_f78533c1d988f63f.png||class="img-thumbnail" height="298" width="800"]]
365 365  
366 366  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).
367 367  
368 -* Bit device’s b1, b0 of the gain/offset BFM #21 should be set to 0, 1 to allow adjustment.
274 +* Bit device’s b1, b2 of the gain/offset BFM #21 should be set to 0, 1 to allow adjustment.
369 369  * Once adjustment is complete these bit devices should be set to 1, 0 to prohibit any further changes.
370 370  * Channel initialization (BFM #0) should be set to the nearest range, i. e. voltage/current etc.
371 371  
372 372  = **6 Example program** =
373 373  
374 -**Basic program**
280 +**basic program**
375 375  
376 -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.
282 +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.
377 377  
378 -[[image:LX3V-4AD_html_e3a9b9608260f138.png||height="297" style="float:left" width="600" class="img-thumbnail"]]
284 +(% style="text-align:center" %)
285 +[[image:LX3V-4AD_html_e3a9b9608260f138.png||class="img-thumbnail" height="297" width="600"]]
379 379  
380 380  **✎Note: **
381 381  
289 +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.
382 382  1. TO code: The analog input channels (CH1, CH2) are setup by writing H3300 to BFM #0 of the LX3V-4AD
383 383  1. The number of averaged samples for CH1 and CH2 is set to 4 by writing 4 to BFM #1 and #2 respectively.
384 384  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.
... ... @@ -397,32 +397,27 @@
397 397  Example: Adjusting gain/offset via software settings
398 398  
399 399  (% style="text-align:center" %)
400 -[[image:LX3V-4AD_html_41bef52ee180f2c9.png||height="980" width="600" class="img-thumbnail"]]
308 +[[image:LX3V-4AD_html_41bef52ee180f2c9.png||class="img-thumbnail" height="980" width="600"]]
401 401  
402 402  (((
403 403  Adjustment start
404 404  
405 -* (H0000)->BFM#0 (initialize input channels). Enter the instructions on the left and RUN the PC
406 -* (K1)->BFM#21. BFM#21 must be set to permit with (b1, b0)=(0,1)
407 -* (K0)->BFM#22 (offset/gain adjusts). Reset adjust bits
408 -* (K0)-> BFM#23 (offset)
409 -* (K2500)-> BFM#24 (gain)
410 -* (H0003)->BFM#22(offset/gain adjusts). 3=0011 i.e. O1=1, G1=1. Therefore channel 1 is adjusted.
313 +(H0000)->BFM#0 (initialize input channels). Enter the instructions on the left and RUN the PC
411 411  
412 -Adjustment ends.
315 +(K1)->BFM#21. BFM#21 must be set to permit with (b1, b0)=(0,1)
413 413  
414 -(K2)-> BFM#21. BFM#21 gain/offset adjust prohibit
317 +(K0)->BFM#22 (offset/gain adjusts). Reset adjust bits
415 415  
416 -**High-speed conversion by changing A/D conversion time in a program**
319 +(K0)-> BFM#23 (offset)
417 417  
418 -[[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:/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:/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]]**
419 -)))
321 +(K2500)-> BFM#24 (gain)
420 420  
421 -Writing K10 to BFM#15 and set conversion time of all channels as 3ms.
323 +(H0003)->BFM#22(offset/gain adjusts). 3=0011 i.e. O1=1, G1=1. Therefore channel 1 is adjusted.
422 422  
423 -Writing 1 to BFM#1 and set Channel 1 sample count to 1 to Channel 1 high-speed conversion.
325 +Adjustment ends.
424 424  
425 -= =
327 +(K2)-> BFM#21. BFM#21 gain/offset adjust prohibit
328 +)))
426 426  
427 427  = **7 Diagnostics** =
428 428  
... ... @@ -436,7 +436,7 @@
436 436  
437 437  **Error checking**
438 438  
439 -If the LX3V-4AD special function block does not seem to operate normally, check the following items.
342 +* If the LX3V-4AD special function block does not seem to operate normally, check the following items.
440 440  
441 441  Check the status of the POWER LED.
442 442  
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