Delta AS Series Programming Manual page 992

Symbol
Explanation
1. The DMVSH instruction is applicable to AS series PLC with the firmware of V1.06.00 and later.
2. Mode sets the method through which the PLC triggers DMV including DMV1000 and DMV2000 and the receiving
method. There are 2 modes: 0 and 1 for option. If the setting exceeds the range, PLC will automatically run in mode
0.
3. Please refer to following example explanation for the function of Start1, Start2, Ready, Shoot1, Shoot2, RdData
and Ok and the process of detection triggering.
4. ComNo sets a communication port number of the PLC. The number 1 represents COM1, number 2 represents
COM2, number 11 represents Card1, number 12 represents Card2 and number 4 represents Ethernet port. If the
setting is not one of the numbers mentioned above or represents the communication port that the PLC does not
support, the error flag Err will change to On and the error code 16#0001 will show up.
Mode : The triggering and receiving method
Start1 : Trigger signal for starting set1
Start2 : Trigger signal for starting set2
Completion signal of when receiving response data from DMV is
Ready :
complete
A serial port or network communication port for the PLC to send or
ComNo :
receive data
Id_Ip : Serial communication station address or network IP of DMV
Address : Starting device where DMV data to be read are stored
Length : Length of the data to be read
Output signal when PLC notifies DMV to enable the detection of
Shoot1 :
set1
Output signal when PLC notifies DMV to enable the detection of
Shoot2 :
set2
Starting device where the data that the PLC receives from the DMV
RdData :
are stored
Ok : Communication success flag
Err : Communication error flag
ErrCode : Communication error code
Cha p ter 6 App l ied Ins truc tio ns
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