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Changes for page LX5V-2PT2DAI

Last modified by WeconTurkey on 2024/10/16 22:58
From version 6.1
edited by Jim
on 2022/12/22 11:39
Change comment: There is no comment for this version
To version 7.1
edited by Jim
on 2022/12/22 11:42
Change comment: There is no comment for this version

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Content
... ... @@ -124,7 +124,7 @@
124 124  
125 125  **✎Note:**
126 126  
127 -*
127 +*
128 128  ** Do not place signal cables near high voltage power cables or in the same trunk line. Otherwise, it may be disturbed or surged. Keep a safe distance between signal cable and power cable, at least 100mm.
129 129  ** Ground the shielding of shielded wire or shielded cable. But the ground point and high voltage line cannot be the same.
130 130  ** Do not connect cables of impermissible size to avoid poor contact or product damage.
... ... @@ -249,9 +249,9 @@
249 249  * The input temperature of control channel is 0℃, the value of acquisition channel is 30 (unit: 0.1℃), and the actual channel value should be 0 (unit: 0.1℃).
250 250  * The input temperature of control channel is 500℃, the value of acquisition channel is 5200 (unit: 0.1℃), and the actual channel value should be 5000 (unit: 0.1℃).
251 251  
252 -Suppose the gain is a, and the offset is b, then[[image:image-20221222112833-6.png]][[image:file:///C:\Users\ANNAXU~~1\AppData\Local\Temp\ksohtml6012\wps9.png]][[image:file:///C:\Users\ANNAXU~~1\AppData\Local\Temp\ksohtml6012\wps7.png]][[image:file:///C:\Users\ANNAXU~~1\AppData\Local\Temp\ksohtml6012\wps9.png]]
252 +Suppose the gain is a, and the offset is b, then[[image:image-20221222112833-6.png]]
253 253  
254 -Solve and get[[image:file:///C:\Users\ANNAXU~~1\AppData\Local\Temp\ksohtml6012\wps8.png]][[image:image-20221222112858-7.png]] The calibration can be completed by setting the corresponding gain offset to the current channel.
254 +Solve and get[[image:image-20221222112858-7.png]] The calibration can be completed by setting the corresponding gain offset to the current channel.
255 255  
256 256  **✎Note**: **Using gain and offset calibration can only reduce the linear error. Since the PT100 resistance and temperature curve are nonlinear, there is still a certain error in partial temperature after the calibration is successful.**
257 257  
... ... @@ -279,9 +279,9 @@
279 279  * When the channel input digital value is 0, the multimeter measures the output current of BD board channel to be 5mA (corresponding digital value is 125).
280 280  * When the channel input digital value is 2000, the multimeter measures the output current of BD board channel to be 5mA (corresponding digital value is 1875).
281 281  
282 -Suppose the gain is a, and the offset is b, then[[image:file:///C:\Users\ANNAXU~~1\AppData\Local\Temp\ksohtml6012\wps10.png]][[image:image-20221222113055-9.png]]
282 +Suppose the gain is a, and the offset is b, then[[image:image-20221222113055-9.png]]
283 283  
284 -Solve and get[[image:file:///C:\Users\ANNAXU~~1\AppData\Local\Temp\ksohtml6012\wps11.png]][[image:image-20221222113102-10.png]]The calibration can be completed by setting the corresponding gain offset to the current channel.
284 +Solve and get[[image:image-20221222113102-10.png]]The calibration can be completed by setting the corresponding gain offset to the current channel.
285 285  
286 286  4. Set I/O mapping. The channels are mapped to R device according to the current number of BD board channels by default. As shown in the following figure, BD board CH1 to CH4 is mapped to device R0 to R3.
287 287  
... ... @@ -334,3 +334,72 @@
334 334  2: Channel value exceeds the range
335 335  )))
336 336  |0x2184|×|R|Channel 2 error code|0|0 to 1|0: No error; 1: Channel value exceeds the range
337 +
338 +② DAI buffer memory (BFM): used for BD board status monitoring.
339 +
340 +(% class="table-bordered" %)
341 +|(((
342 +**BFM**
343 +
344 +**Address**
345 +)))|**Power-off hold**|**Read/write**|**Memory name**|**Default**|**Range**|**Description**
346 +|0x2200|×|R/W|Channel 3 channel enable|1|0 to 1|0: Channel closed; 1: Channel open
347 +|0x2201|×|R/W|Channel 3 channel mode selection|1|1|1: Current output mode (4mA to 20mA)
348 +|0x2203|×|R/W|Output status after channel 3 stops|0|0 to 2|(((
349 +0: Output cleared; 1: Output held
350 +
351 +2: Output preset value
352 +)))
353 +|0x2204|×|R/W|Channel 3 output preset value|0|-32768 to 32767|
354 +|0x2280|×|R|Channel 3 channel value|0|0 to 2000|Only supported in channel mapping device setting
355 +|0x2282|×|R|Channel 3 status information|1|0 to 2|(((
356 +0: Channel closed 1: Channel opened
357 +
358 +2: Channel value exceeds the range
359 +)))
360 +|0x2284|×|R|Channel 3 error code|0|0 to 1|0: No error; 1: Channel value exceeds the range
361 +|0x2300|×|R/W|Channel 4 channel enable|1|0 to 1|0: Channel closed; 1: Channel open
362 +|0x2301|×|R/W|Channel 4 channel mode selection|1|1|1: Current output mode (4mA to 20mA)
363 +|0x2303|×|R/W|Output status after channel 4 stops|0|0 to 2|(((
364 +0: Output cleared; 1: Output held
365 +
366 +2: Output preset value
367 +)))
368 +|0x2304|×|R/W|Channel 4 output preset value|0|-32768 to 32767|
369 +|0x2380|×|R|Channel 4 channel value|0|0 to 2000|Only supported in channel mapping device setting
370 +|0x2382|×|R|Channel 4 status information|1|0 to 2|(((
371 +0: Channel closed 1: Channel opened
372 +
373 +2: Channel value exceeds the range
374 +)))
375 +|0x2384|×|R|Channel 4 error code|0|0 to 1|0: No error; 1: Channel value exceeds the range
376 +
377 +③ Universal buffer memory (BFM): used to diagnose the communication status of the currently connected BD board.
378 +
379 +(% class="table-bordered" %)
380 +|(((
381 +**BFM**
382 +
383 +**Address**
384 +)))|**Power-off hold**|(((
385 +**Read/write**
386 +
387 +**Function**
388 +)))|**Memory name**|**Default**|**Range**|**Description**
389 +|0x200|×|R|Current maximum package length|0|0 to 0xFFFF|The maximum length of the currently sent package
390 +|0x202|×|R|Number of retransmissions|0|0 to 0xFFFF|Number of retransmissions
391 +|0x204|×|R|Number of retransmissions of subpackages|0|0 to 0xFFFF|Number of retransmissions of subpackages
392 +|0x206|×|R|Received times of sync frame|0|0 to 0xFFFF|Received times of sync frame
393 +|0x208|×|R|Sent times of sync frame|0|0 to 0xFFFF|Sent times of sync frame
394 +|0x20A|×|R|Control the number of transmissions|0|0 to 0xFFFF|Control the number of transmissions
395 +|0x20C|×|R|Control the number of receptions|0|0 to 0xFFFF|Control the number of receptions
396 +|0x20E|×|R|Number of subscriptions sent|0|0 to 0xFFFF|Number of subscriptions sent
397 +|0x210|×|R|Number of subscriptions received|0|0 to 0xFFFF|Number of subscriptions received
398 +|0x212|√|R/W|Latest error code|0|Only 0 can be written.|Protocol internal error code, write 0 to clear
399 +|0x214|×|R|Number of bytes sent|0|0 to 0xFFFFFFFF|Number of bytes sent
400 +|0x218|×|R|Number of valid bytes sent|0|0 to 0xFFFFFFFF|Number of valid bytes sent
401 +|0x21C|×|R|Number of bytes received|0|0 to 0xFFFFFFFF|Number of bytes received
402 +|0x220|×|R|Number of valid bytes received|0|0 to 0xFFFFFFFF|Number of valid bytes received
403 +|0x224|×|R|Communication time (unit s)|0|0 to 0xFFFFFFFF|Normal communication time since the BD board is powered on
404 +
405 +