脫硫dcs培訓step7教程digitalop

1、數(shù)字指令CMP =IIN1IN2IW0IW2M0.0Q 5.7T4S_ODTTVSQBCDBIRI 0.7I 0.5S5T#35sQ4.5MW0QW6數(shù)字指令CMP =IIN1IN2IW0IW2M0.0Q 5.7T4S_ODTTVSQBCDBIRI 0.7I 0.5S5T#35sQ4.5MW0QW6目標學習了本章之后，你將 .熟悉INT、 DINT、 REAL數(shù)據(jù)類型和BCD顯示.能夠在“Monitor / Modify Variable”測試功能中選擇顯示格式.懂得“裝載” 和“傳送”指令.能夠為解決問題使用和編程S5計數(shù)器功能.能夠為解決問題使用和編程S5定時器功能.能夠為解決問題使用和編

2、程轉(zhuǎn)換指令INT BCD.能夠為解決問題使用和編程比較指令.能夠為解決問題使用和編程基本算術功能操作面板要求, 處理和輸出數(shù)據(jù)撥輪按鈕, 電位器, 7段顯示DI/DO08150248VAI/AO例如 PROFIBUS過程操作和監(jiān)視控制單元過程控制器例如 MPI處理數(shù)值現(xiàn)場裝置DEC: + 662BIN.: 2#00001010010110000123456789101112131415DEC: - 662整數(shù) (INT, 16位整數(shù)) 數(shù)據(jù)類型數(shù)值范圍-32768 至 (不帶符號: 0 to 65535)顯示格式:+21+22+246 x 160 =69 x 161 =1442 x 162 =

3、512 66227+29+25+26+28算術運算: 例如 + I, * I, I, =I +210+211+212+213+214-215 - 662符號正數(shù)符號負數(shù)以補碼表示+23+21 + 66210 x 160 =166 x 161 =9613 x 162 =3328 6487415 x 163 =61440BIN.: 2#11110101101010110123456789101112131415HEX: W#16# 962 0HEX: W#16# 6ADF不帶符號不帶符號DEC: L# 符號正數(shù)雙整數(shù)(DINT, 32位整數(shù))數(shù)據(jù)類型數(shù)值范圍L# -2147483648 至 L#

4、7(不帶符號: 0 to )顯示格式:算術運算: 例如 + D, * D, D, =D 以補碼表示(不帶符號)00084089HEX: DW#16#(不帶符號)FFF7BF77HEX: DW#16#11111101110111011110111111111111BIN.: 2#01234567891011121314151617181920212223242526272829303100000010001001100001000000000000BIN.: 2#012345678910111213141516171819202122232425262728293031DEC: L# -5408

5、09符號負數(shù)實數(shù) (浮點數(shù), 32位)數(shù)據(jù)類型實數(shù) = +1.5 * 2 126-127 = 0.7500000000000000000001111110100000實數(shù)的符號15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 031 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16e = 指數(shù) (8 Bit)f = 尾數(shù) (23 Bit)實數(shù)的標準格式 = (Sign) (1.f) (2e-127)20212223242526272-232-12-22-4 .2-3數(shù)值范圍-1.17549510-38 至 3.40282310+38

6、算術運算: 例如 + R, * R, R, =R sin, acos, ln, exp, SQR 舉例: 7.50000e-001(7.5 * 10-1 = 0.75)用于輸入和輸出整數(shù)的 BCD 碼6920數(shù)值范圍16 Bit:- 999 至 + 99932 Bit:-9999999 至 + 9999999轉(zhuǎn)換操作: BTI, BTD, ITB, DTB(不是算術運算!)0000101001011000000000000000 xxx0BIN.: 2#BIN.: 2#0000101001011000符號(+)9216 Bit:32 Bit:符號 (+)66920000DEC: + 662HE

7、X:W#16#2960DEC: + 662HEX:DW#16#0000296“Monitor / Modify Variables”: 顯示格式裝載舉例數(shù)據(jù)裝載和傳送 (1)L +5/ 16-位常數(shù) (整數(shù))L L#523123/ 32-位常數(shù) (雙整數(shù))L B#16#EF/ 十六進制字節(jié)L 2#0010 0110 1110 0011/ 16-位二進制值L 3.14/ 32-位常數(shù) (實數(shù))MOVEENIN OUT ENO MB55FBDL+5TMB5STLMOVEEN OUT ENO MB5LADIN5數(shù)據(jù)裝載和傳送(2)00000000:L W#16#CAFEL W#16#AFFE:XXX

8、XXXXXCAFEAFFE ACCU2內(nèi)容 ACCU1內(nèi)容程序YYYYYYYYXXXXXXXX0000CAFE數(shù)據(jù)裝載和傳送(3)31231570000000000000000000000000MB0312315700000000000000000MB1MB031231570MB3MB2MB0MB1裝載L MB 0程序T QD 4QD 4QW 4QB 4傳送ACCU1內(nèi)容L MW 0L MD 0T QW 4T QB 4STEP 7中的S5計數(shù)器STLAI0.4CUC5AI0.5CDC5AI0.3LC#20SC5AI0.7RC5LC5TMW4LCC5TQW6AC5=Q4.3LADFBDQI 0.

9、4I 0.5CUI 0.7C#20S_CUDCDSI 0.3PVRQ 4.3 CVCV_BCDMW 4QW 6C5QQI 0.4I 0.5CUI 0.7C#20S_CUDCDSI 0.3PVRQ 4.3 CVCV_BCDMW 4QW 6C5=Q計數(shù)器：功能圖CUCDSRQCount543210計數(shù)器：位指令STLAI 0.0 LC#20SC5AI 0.1CUC5AI 0.2 CDC5AC5 = Q 4.0LADI 0.0C5SCC#20Network 1:C5Network 2:I 0.1CUNetwork 3:I 0.2C5CDNetwork 4:C5Q 4.0FBDSCC5I 0.0C#2

10、0CVCUC5I 0.1CDC5I 0.2=Q 4.0C5練習: 計數(shù)傳送的零件 (FC 18, C 18)V0 8 1 5AI1AI2AO1AO2AI2AI1-15V.+15V-15V.+15VAI1AI2AO1AO2VDII 0.0I 0.1I 0.2I 0.3I 0.4I 0.5I 0.6I 0.7DO.0.1.2.3.4.5.6.7S_M/A_ModeSelectT_System_ONT_M/A_AcceptL_SYSTEML_MANL_AUTOT_System_OFFQ 4.T_Jog_RTT_Jog_LTQW 6ACTUAL number of parts定時器：接通延時 (SD)

11、LADT4S_ODTTVSQBCD BIRI0.7I0.5S5T#35sQ4.5MW0QW6FBDS_ODTTVQ BIRI0.7I0.5S5T#35sMW0QW6T4BCD=Q4.5SSTLAI0.7LS5T#35sSDT4AI0.5RT4LT4TMW0LCT4TQW6AT4=Q4.5例如S處的RLO R處的RLO 定時器操作Q時間值: 0 . . . 9990,01s - 0,1s -1s -10s -00011011S5TIME數(shù)據(jù)類型定時器: STEP 7 的S5定時器的時間格式以變量時間設定在 “LC T.” 執(zhí)行后Accu 1 內(nèi)容在 “L T.” 執(zhí)行后Accu 1 內(nèi)容以常數(shù)時

12、間設定S5T#35s200ms(時基 : 01 (100ms), 單位時間數(shù): 352) 時基35單位時間(BCD碼)XX01001101100010201 時基35 剩余的單位時間(BCD碼)XX01001101100010201剩余的單位時間(Integer)XXXXXX202129222324252627281011000000定時器: 帶保持接通延時 (SS)STLAI0.7LS5T#35sSST4AI0.5RT4LT4TMW0LCT4TQW6AT4=Q4.5LADT4S_ODTSTVSQBCD BIRI0.7I0.5S5T#35sQ4.5MW0QW6FBDS_ODTSTVQ BIRI

13、0.7I0.5S5T#35sMW0QW6T4BCD=Q4.5S例如S處的RLOR處的RLO定時器操作Q定時器：脈沖 (SP)FBDS_PULSETVQ BIRI0.7I0.5S5T#35sMW0QW6T4BCD=Q4.5SS處的RLOR處的RLO定時器 操作Q例如STLAI0.7LS5T#35sSPT4AI0.5RT4LT4TMW0LCT4TQW6A T4=Q8.5MW0LADT4S_PULSETVSQBCD BIRI0.7I0.5S5T#35sQ4.5QW6定時器：擴展脈沖 (SE)LADT4S_PEXTTVSQBCD BIRI0.7I0.5S5T#35sQ4.5MW0QW6FBDS_PEX

14、TTVQ BIRI0.7I0.5S5T#35sMW0QW6T4BCD=Q4.5SS處的RLOR處的RLO定時器操作Q例如STLAI0.7LS5T#35sSET4AI0.5RT4LT4TMW0LCT4TQW6AT4=Q4.5 定時器：關斷延時 (SF)STLAI0.7LS5T#35sSFT4AI0.5RT4LT4TMW0LCT4TQW6AT4=Q4.5LADT4S_OFFDTTVSQBCD BIRI0.7I0.5S5T#35sQ4.5MW0QW6FBDS_OFFDTTVQ BIRI0.7I0.5S5T#35sMW0QW6T4BCD=Q4.5S例如S處的RLOR處的RLO定時器操作Q定時器：位指令

15、I0.0T4SDS5T#5sT4Q 4.0I0.1T4RNetwork 1:Network 2:Network 3:LAD&SDT4I0.0S5T#5s&=Q 4.0T4&I0.1TVRT4FBDAI0.0 LS5T#5sSDT4AT4= Q 4.0AI0.1 RT4STL練習: 封鎖傳送帶電機點動 T_Jog_RTI 0.2Run Conveyor LEFT(Q20.6 / Q8.6) Lock-outRIGHT T 15 (SF) T_Jog_LTI 0.3 Lock-outLEFT T 16 (SF)Run Conveyor RIGHT(Q20.5 / Q8.5)Lock-outtime

16、 RIGHTLock-outtime LEFT練習: 傳送功能的監(jiān)視 (FC 17) V0 8 1 5AI1AI2AO1AO2AI2AI1-15V.+15V-15V.+15VAI1AI2AO1AO2VDII 0.0I 0.1I 0.2I 0.3I 0.4I 0.5I 0.6I 0.7DO.0.1.2.3.4.5.6.7S_M/A_ModeSelectT_System_ONT_M/A_AcceptL_SystemL_MANL_AUTOT_System_OFFQ 4.T_Jog_RTT_Jog_LTQW 6ACTUAL number of partsT_Fault_RstFltWeightI 1.

17、0練習:計數(shù)傳送帶運行故障 Conv. oper.faultM 17.0AUTO modeQ 4.3 (Q 8.3)Conv. oper.faultcounter C 171230轉(zhuǎn)換操作 BCD 整數(shù)INBCD_IENENOOUTINIW2MW20INI_BCDENENOOUTINMW10QW6FBDLIW2BTITMW20LMW10ITBTQW6STL0 8 1 5用BCD碼輸入的數(shù)用BCD碼顯示的數(shù)轉(zhuǎn)換BCD-整數(shù)任務轉(zhuǎn)換BCD 把零件的給定值 (Integer)存儲在 MW 200NW 5:ACTUAL-SETPOINT comparison, LED (red LED Q8.4)比較

18、實際值 (MW 20)和給定值(MW 200), 比較的結(jié)果送到 LEDNW 3:Display ACTUAL number of parts on BCD digital display零件的實際值 (MW 20) 從整數(shù)到 BCD轉(zhuǎn)換- 結(jié)果在 BCD 數(shù)字顯示 ( QW 6)ADD_IENIN1IN2OUTENO計數(shù)事件的上升沿MW 201MW 20練習: 控制 LED常亮 at both bays when a new part can be placed on the conveyor1 Hz 閃光at the bay where the part was placed and from which the conveyor can be started2 Hz 閃光at both bays as long as the transport function is running常亮ACTUAL=SETPOINT轉(zhuǎn)換指令 I - DI - REALSTLLMW12ITDDTRTMD26INI_DIENENOOUTINMW12MD14INDI_RENENOOUTINMD14MD26FBD帶有實數(shù)的運算程序從雙整數(shù)到實數(shù)的轉(zhuǎn)換從整數(shù)到雙整數(shù)的轉(zhuǎn)換任務整數(shù)格式的數(shù)據(jù)(16 位)LADINDI_RENENOOUTMD14MD26ININI_DIENENOOUTMW12MD14I