Changes for page LX3V-4LTC
Last modified by Devin Chen on 2024/11/22 09:42
From version 6.1
edited by Mora Zhou
on 2023/11/22 10:40
on 2023/11/22 10:40
Change comment:
There is no comment for this version
To version 8.1
edited by Devin Chen
on 2024/11/22 09:42
on 2024/11/22 09:42
Change comment:
There is no comment for this version
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... ... @@ -284,8 +284,8 @@ 284 284 * Other: Starts control; 285 285 ))) 286 286 |(% style="width:55px" %)#48|(% style="width:12px" %)#86|(% style="width:52px" %)#124|(% style="width:65px" %)#162|(% style="width:143px" %)Auto/manual mode changeover|(% style="width:68px" %)0|(% style="width:77px" %)W/R|(% style="width:104px" %)0|(% style="width:348px" %)((( 287 -* 0: A UTO;288 -* Other: M AN;287 +* 0: Autol mode; 288 +* Other: Manual mode; 289 289 ))) 290 290 |(% style="width:55px" %)#49|(% style="width:12px" %)#87|(% style="width:52px" %)#125|(% style="width:65px" %)#163|(% style="width:143px" %)Manual output set value|(% style="width:68px" %)0|(% style="width:77px" %)W/R|(% style="width:104px" %)0|(% style="width:348px" %)The value is equal to the value of control output in manual mode. 291 291 |(% style="width:55px" %)#50|(% style="width:12px" %)#88|(% style="width:52px" %)#126|(% style="width:65px" %)#164|(% style="width:143px" %)Self-tuning execution command|(% style="width:68px" %)0|(% style="width:77px" %)W/R|(% style="width:104px" %)0|(% style="width:348px" %)((( ... ... @@ -460,6 +460,17 @@ 460 460 461 461 The identification code or ID number for this Special Block is read from buffer memory BFM #30 by FROM instruction. This number for the LX3V-4LTC unit is K2130. The PLC can use this ID in program to identify the special block before commencing data transfer to and from the special block. 462 462 463 +**Power-down retention flag BFM#42** 464 + 465 +First, configure the parameters to be saved, and then set the power-down retention flag BFM#42 to 1. This enables power-down retention for the configured parameters. 466 + 467 +The operation steps are illustrated as follows: 468 + 469 +1. Set the power-down retention register to a value of 100 (e.g., BFM#52 is set to 100). 470 +1. Set the power-down retention flag BFM#42 to 1 (data is saved at this point, and BFM#42 will automatically reset to zero upon completion). 471 +1. Change the data of the power-down retention register to 1000 (e.g., BFM#52 is set to 1000). 472 +1. Power off and then power on again. At this point, check the value of the power-down retention register, which should be 100 (e.g., BFM#52 shows a value of 100)." 473 + 463 463 **Error flag BFM #43, BFM#81, BFM#119, BFM#157 (Temperature control is stopped)** 464 464 465 465 (((