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Ethernet Communication Module DVPEN01-SL

 Dat

a Exchange

CR#13: Data exchange trigger

Explanations:

CR#13 Execution

0 The data in data exchange area is not transmitted.

1 The data in data exchange area is transmitted.

The data exchange is executed continuously. If the value in CR#13 is

0, the data exchange will stop.

Setting: Program Control in the Enable Condition drop-down list box

is selected. (Please refer to section 5.6.)

The data exchange is executed once. After the data exchange is

executed, the value in CR#13 will automatically become 0.

Setting: Program Control in the Enable Condition drop-down list box

is selected. (Please refer to section 5.6.)

(V2.06 and later versions support the function.)

CR#14: Data exchange status

Explanations:

When the CR is set as “0”, the data have not yet been received. When the CR is set as “1”, the data exchange is in

progress. When the CR is set as “2”, the data exchange is successful. When the CR is set as “3”, the data exchange

fails.

CR value Status

0 Data have not yet been received.

1 Data exchange is in progress.

2 Data exchange is successful.

3 Data exchange fails.

CR#17: Data exchange cycle time

Explanations:

The control register is used to set the minimum data exchange cycle time. The unit used is a millsecond. The default

value is 0.

CR#19,18: Error status of slaves in data exchange

Explanations:

b0~b15 in CR#19: States of slave 1~slave 16.

b0~b7 in CR#18: States of slave 17~slave 24.

If the bit corresponding to the state of a slave is 1, an error occurs in the slave.

CR#25, 26: Destination IP address

Explanations:

To set the slave IP address for data exchange manually, write “0” into CR#28 first before setting the destination IP

address. For example, if the user wants to set the destination IP address to 192.168.0.2, write H’0002 to CR#25 and

H’C0A8 to CR#26. (K192=H’C0, K168=H’A8, K0=H’00, K2=H’02).

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