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
network1
L #cnt2_app T #cnt2_db OPN DB [#cnt2_db]
CALL \"CNT2_CTR\" DB_NO:=#cnt2_db
A DBX 36.7 JCN END A DBX 38.4 //Application fill unit
//Open counter data block
//Control the FM 350-2 调用FC2
//FM 350-2 parameters assigned?
//No, process no application
//Lower limit exceeded?
= #state_uflw
A DBX 39.4 //Upper limit exceeded?
= #state_oflw
A #Gate0_3 = DBX 23.0 = DBX 23.1 = DBX 23.2 = DBX 23.3 A #Gate0_3 A DBX 43.0 = DBX 21.0 A #Gate0_3 AN DBX 42.0 //Start the fill unit?
//Yes, SW_GATE0 open
//Yes, SW_GATE1 open
//Yes, SW_GATE2 open
//Yes, SW_GATE3 open
//Start the fill unit?
//Yes, CTRL_DQ0 = STAT_GATE0
//and trigger fill valve
//Start the fill unit?
//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 = DBX 23.5 // = DBX 23.6 用通道6将前面注释符去掉
// = DBX 23.7 用通道7将前面注释符去掉
network2
SET SAVE
OPN DB [#cnt2_db] A DBX 1.0 //Yes, SW_GATE4 open
//Yes, SW_GATE5 open
//Yes, SW_GATE6 open 想要使 //Yes, SW_GATE7 open 想要使//Set BR for error evaluation
//Open counter data block
//Load comparator in progress?
JC WRDO //Yes
A DBX 42.1 //New loading only during transport
JCN WREN
A #load FP M 10.0 序其它地方应用冲突
JCN WREN L #quantity T DBD 116
L 42 T DBB 0 WRDO: CALL \"CNT2_WR\" comparator for FM 350-2
DB_NO :=#cnt2_db
//Load new quantity?
//Positive edge to #load 注意不能和程 //No
//Quantity in counter data block
//job_no 30 for
//Load comparator count channel 0
//Load counter and
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 error or data
error
= #wr_err
AN #load R DBX 1.1 A DBX 1.1
= #load_done
network 3
SET SAVE
OPN DB [#cnt2_db] A DBX 3.0 //Create write job ended
//Deleted when loading triggered
//Set BR for error evaluation
//Open counter data block
//Read actual values in progress?
JC RDDO //Yes
AN #act_val //Reading actual values?
JC RDEN //No
L 100 AN #channel JC JOB
L 101 JOB: T DBB 2 0
RDDO: CALL \"CNT2_RD\" for FM 350-2
DB_NO :=#cnt2_db
RET_VAL:=MW8 RDEN: AN BR retval_rd with error
//job_no 100 for count channel 0 to 3
//for count channel 4 to 7?
//job_no 101 for count channel 4 to 7
//Load comparator count channel //Load counter and comparator //注意不能和程序其它地方应用冲突
//Error: job_no unknown or
= #rd_err
END: BE
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