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回复：bsend里的ID和R_ID具体指什么

joey_gao

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论坛等级：新手

注册时间：2007-12-18

普通如何晋级?

发布于 2016-07-04 16:30:36

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有没有大侠帮忙看看以下的bsend 和bcrv写的哪里错了，运行时bcrv的ERROR为1，status为4

PLC1和PLC2建立S7连接，本地ID为100

谢谢！

L     W#16#100
      T     "PLC1SENDPLC2".Static_1.PLC1SENDPLC2_LEN
      NOP 0

      CALL BSEND , "BSEND_DB"
         ptr_type:=Variant
         REQ    :=true
         R      :="PLC1SENDPLC2".Static_1.PLC1SENDPLC2_R
         ID     :=W#16#100
         R_ID   :=DW#16#1
         DONE   :="PLC1SENDPLC2".Static_1.PLC1SENDPLC2_DONE
         ERROR :="PLC1SENDPLC2".Static_1.PLC1SENDPLC2_ERROR
         STATUS :="PLC1SENDPLC2".Static_1.PLC1SENDPLC2_STATUS
         SD_1   :=P#DB51.DBX0.0 BYTE 100
         LEN    :="PLC1SENDPLC2".Static_1.PLC1SENDPLC2_LEN

   L     W#16#100
      T     "PLC1RECVPLC2".Static_1.PLC1RECVPLC2_LEN
      NOP 0

      CALL BRCV , "BRCV_DB"
         ptr_type:=Variant
         EN_R   :=TRUE
         ID     :=W#16#100
         R_ID   :=DW#16#2
         NDR    :="PLC1RECVPLC2".Static_1.PLC1RECVPLC2_NDR
         ERROR :="PLC1RECVPLC2".Static_1.PLC1RECVPLC2_ERROR
         STATUS :="PLC1RECVPLC2".Static_1.PLC1RECVPLC2_STATUS
         RD_1   :=P#DB52.DBX0.0 BYTE 100
         LEN    :="PLC1RECVPLC2".Static_1.PLC1RECVPLC2_LEN