
Ethernet Communication Module DVPEN01-SL 
  | CR# | Attribute  | Content  | Explanation  | 
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  | #115  | R/W  | Modbus TCP trigger  | Setting up whether to send out data in Modbus TCP mode  | |||
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  | #116  | R/W  | Modbus TCP status  | Displaying current status of Modbus TCP mode  | |||
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#118  | #117  | R/W  | Modbus TCP  | Setting up destination IP address for Modbus TCP transaction  | ||||
destination IP  | ||||||||
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  | #119  | R/W  | Modbus TCP data length  | Setting up the data length for Modbus TCP transaction  | |||
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#219 ~ #120  | R/W  | Modbus TCP data buffer  | Data buffer of Modbus TCP for storing sending/receiving data  | |||||
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#248 ~ #220  | -  | Reserved  | 
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  | #251  | R  | Error code  | Displaying the errors. See table of error codes in the following  | ||
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#255 ~ #252  | -  | Reserved  | 
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Symbols “R” refers to “able to read data by FROM instrcution”; “W” refers to “able to write data by TO instrcution”.
4.2Explanations on CR
CR#0: Model Name
Explanations:
1.Model code of 
2.You can read the model code in the program to see if the I/O module exists.
CR#1: Firmware Version
Explanations:
The firmware version of 
CR#2: Communication Mode
Explanations:
Bit No.  | Mode  | “0”  | “1”  | 
b0  | Modbus TCP  | Disable  | Enable  | 
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b1  | Data exchange  | Disable  | Enable  | 
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E-mail  Functions
CR#3 ~ 6: 
Explanations:
When the CR is set as “1”, 
8  |