Changes for page LX3V-4AD
Last modified by Devin Chen on 2024/11/27 15:04
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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: 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 -** timeforeach channel**91 -)))|(% colspan="2" %)Tconv ≤10ms(High-speed),10ms≤Tconv≤20ms(Middlespeed),Tconv>20ms (Lowspeed)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 ... ... @@ -170,15 +170,15 @@ 170 170 ))) 171 171 |#31|(% colspan="9" %)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. 178 + 179 +(% class="box infomessage" %) 180 +((( 181 +**✎Note: ** 182 182 ))) 183 183 184 184 **Channel Selection** ... ... @@ -243,7 +243,7 @@ 243 243 |b1: Offset/gain error|Offset/Gain data in EEPROM is corrupted or adjustment error.|Offset/Gain data normal 244 244 |b2: Power source abnormality|24V DC power supply failure|Power supply normal 245 245 |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 adjustmentnormal246 +|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 247 247 |b5: Channel 2 offset/gain error 248 248 |b6: Channel 3 offset/gain error 249 249 |b7: Channel 4 offset/gain error ... ... @@ -251,7 +251,7 @@ 251 251 |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) 252 252 |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) 253 253 254 -**✎Note: **b 8, b9 and b13 to b15 are undefined.254 +**✎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, b 0of the gain/offset BFM #21 should be set to 0, 1 to allow adjustment.289 +* 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.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. 298 298 299 -[[image:LX3V-4AD_html_e3a9b9608260f138.png||height="297" style="float:left" width="600" class="img-thumbnail"]] 299 +(% style="text-align:center" %) 300 +[[image:LX3V-4AD_html_e3a9b9608260f138.png||height="297" width="600" class="img-thumbnail"]] 300 300 301 301 **✎Note: ** 302 302 304 +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. ... ... @@ -339,7 +339,7 @@ 339 339 340 340 **High-speed conversion by changing A/D conversion time in a program** 341 341 342 -[[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]]**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]]** 343 343 ))) 344 344 345 345 Writing K10 to BFM#15 and set conversion time of all channels as 3ms.