A M 32.1 //M32。1脉冲触发
FP M 63.0
= L 24.0
A L 24.0
JNB _087
L W#16#101C //W#16#101C是读DP从站控制字，意思是读01C参数
T MW 180
_087: NOP 0
A L 24.0
JNB _088
L W#16#0 //参数INDEX=0
T MW 182
_088: NOP 0
A L 24.0
JNB _089 //参数值=0
L 0
T MD 184
_089: NOP 0
A M 32.1
CALL "DPWR_DAT" //发送读DP参数01C命令
LADDR :=MW156
RECORD :=P#M 180.0 BYTE 8
RET_VAL:=MW190
CALL "DPRD_DAT" //读返回的参数值
LADDR :=MW156
RET_VAL:=MW190
RECORD :=P#M 170.0 BYTE 8