Ethernet Communication Module IFD9506
DVP-PLC Operation Manual
7 Ethernet/IP Communication
7.1 Versions Supported
Module/ software Version Number
IFD9506 V2.04 and above
DCISoft V1.21 and above
EIP Builder V1.07 and above
7.2 Functions Supported
Only the serial master mode is supported and Ethernet/IP master (Scanner) can communicate with the serial
equipment through the Implicit Message or Explicit Message.
(1) Implicit Message
The Ethernet/ IP master can conduct data exchange with IFD9506 to read the contents of the device
monitoring tables of IFD9506 (only the read action is allowed).
EIP Scanner
IFD9506 (EIP Adapter/Modbus Master) Modbus Slave
Data storage area in IFD9506 Explanation
OUTPUT [0 - 127]
System-reserved area
INPUT [0 - 127]
INPUT [128 - 227]
The area where the contents of Word
device monitoring table are stored
INPUT [228 - 234]
The area where the contents of Bit
device monitoring table are stored
(2) Explicit Message
The Ethernet/ IP master can transmit the Modbus instruction to IFD9506 by placing it in an explicit message.
Reading multiple devices and writing to a single device are supported.
IFD9506 forwards the Modbus instruction to the serial slave and sends the response from the serial slave
back to the Ethernet/ IP master.
EIP Scanner
IFD9506 (EIP Server/Modbus Master) Modbus
Slave
Ethernet/IP parameters setting
Service Code 0x32
Class Code
0x64
Instance
0x01
Attribute
0x03