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1、OB82 FC2/ FC3/ FC4/FC5/FC300/DB2/UDT1/0B1 NETWORK1 都要拷贝到原程序中。在DB2.DBW12中有一个FM350模块地址的设置。要与S7硬件配置中FM350的地址一样硬件配置中地址为I：272-287 Q：272-287。DB2.DBW12=W#16#110=272.程序说明 OB1 network1 CALL CiShan /调用FC300程序块 cnt2_app :=W#16#2 /背景数据块号 DB2 quantity :=MW4 /预装载值，为MW4赋值，当前为零，也可以用W#16#0 load :=M0.2 /装载计数器值，计数器应用时
2、此点为1 Gate0_3 :=M0.0 /打开计数器0-3通道的软件门 Gate4_5 :=M0.1 /打开计数器4-5通道的软件门 act_val :=M0.3 /开始读当前计数值的触发位 channel :=M0.4 /0为计数器通道0-3计数 1为为计数器通道4-7计数，应置1 rd_err :=M2.2 /读操作的出错提示 wr_err :=M2.1 /写操作的出错提示 load_done :=M2.0 /装载计数器操作的状态指示 state_oflw:=M2.3 /通道4测量值上限溢出状态指示 state_uflw:=M2.4 /通道4测量值下限溢出状态指示FC300 程序说明net
3、work1 L #cnt2_app /Application fill unit T #cnt2_db /Open counter data block OPN DB #cnt2_db CALL CNT2_CTR /Control the FM 350-2 调用FC2 DB_NO:=#cnt2_db A DBX 36.7 /FM 350-2 parameters assigned? JCN END /No, process no application A DBX 38.4 /Lower limit exceeded? = #state_uflw A DBX 39.4 /Upper limit
4、 exceeded? = #state_oflw A #Gate0_3 /Start the fill unit? = DBX 23.0 /Yes, SW_GATE0 open = DBX 23.1 /Yes, SW_GATE1 open = DBX 23.2 /Yes, SW_GATE2 open = DBX 23.3 /Yes, SW_GATE3 open A #Gate0_3 /Start the fill unit? A DBX 43.0 /Yes, CTRL_DQ0 = STAT_GATE0 = DBX 21.0 /and trigger fill valve A #Gate0_3
5、/Start the fill unit? AN DBX 42.0 /Yes, invert STAT_DQ0 = DBX 21.1 /and trigger motor for transport = DBX 22.1 /with CTRL_DQ1 and SET_DQ1 A #Gate4_5 /Start the frequency measurement? = DBX 23.4 /Yes, SW_GATE4 open = DBX 23.5 /Yes, SW_GATE5 open/ = DBX 23.6 /Yes, SW_GATE6 open 想要使用通道6将前面注释符去掉/ = DBX
6、23.7 /Yes, SW_GATE7 open 想要使用通道7将前面注释符去掉network2 SET /Set BR for error evaluation SAVE OPN DB #cnt2_db /Open counter data block A DBX 1.0 /Load comparator in progress? JC WRDO /Yes A DBX 42.1 /New loading only during transport JCN WREN A #load /Load new quantity? FP M 10.0 /Positive edge to #load 注意
7、不能和程序其它地方应用冲突 JCN WREN /No L #quantity /Quantity in counter data block T DBD 116 L 42 /job_no 30 for T DBB 0 /Load comparator count channel 0 WRDO: CALL CNT2_WR /Load counter and comparator for FM 350-2 DB_NO :=#cnt2_db RET_VAL:=MW6 /注意不能和程序其它地方应用冲突WREN: AN BR /Error: job_no unknown, retval_wr with
8、error or data error = #wr_err AN #load /Create write job ended R DBX 1.1 /Deleted when loading triggered A DBX 1.1 = #load_donenetwork 3 SET /Set BR for error evaluation SAVE OPN DB #cnt2_db /Open counter data block A DBX 3.0 /Read actual values in progress? JC RDDO /Yes AN #act_val /Reading actual
9、values? JC RDEN /No L 100 /job_no 100 for count channel 0 to 3 AN #channel /for count channel 4 to 7? JC JOB L 101 /job_no 101 for count channel 4 to 7JOB: T DBB 2 /Load comparator count channel 0 RDDO: CALL CNT2_RD /Load counter and comparator for FM 350-2 DB_NO :=#cnt2_db RET_VAL:=MW8 /注意不能和程序其它地方应用冲突RDEN: AN BR /Error: job_no unknown or retval_rd with error = #rd_errEND: BE