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CANopen Communication Module DVPCOPM-SL
DVP-PLC Application Manual
27
z PLC program
MOV H0101 D6250
M1002
ZRST D6250 D6281
M0
MOV H0006 D6251
MOV
H0202
D6252
MOV
H2047
D6253
MOV
H0002 D6254
ZRST D6000 D6031
END
MOV
H0401 D6255
Reset response message editing area
and request message editing area.
ReqID = 01, Command = 01
Size = 06
Type = 02, MAC ID = 02
Index = 2047H
Sub index = 02
Target temperature for DTA: 0104H
z Program explanation
1. The program first reset the SDO request message editing area and SDO response message
editing area to 0.
2. When M0= On, CANopen master will send out SDO request message and write 0104Hex into
index 2047, sub index 2 of the target equipment (at node address 02). If the communication is
successful, the slave will return with the response message.
3. When M0 = On, CANopen master will send out request message only once. If you would like it to
send out messages again, you will have to change the ReqID.
4. The messages returned from the target equipment are stored in D6000 ~ D6004.
6 LED Indicator & Trouble-shooting
DVPCOPM-SL has three LED indicators and a digital display on it. POWER LED displays whether the power
supply of DVPCOPM-SL is normal. RUN LED and ERR LED display the current operational status. The digital
display shows the node address of DVPCOPM-SL and error messages from the slave.
DVPCOPM
POWER
RUN
ERR