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Using Socket Service Functions Section 6-5
6-5 Using Socket Service Functions
6-5-1 Procedure
6-5-2 Settings Required for Socket Service Function
The following settings must be made in the Unit Setup when using socket ser-
vices.
1. Make the basic settings.
Refer to SECTION 2 Startup Procedure in the Operation Manual Construction of Networks.
↓
2. Use the CX-Programmer or Programming Console to make the socket service settings in the
socket service parameter areas 1 to 8 (m+18 to m+88) allocated in the DM Area.
Note: The first word m in the allocated DM Area = D30000 + (100
× unit number)
↓
3. Select Transfer to PLC from the Options Menu, and then click the Yes Button. The Setup data
in the allocated DM Area will be transferred to the CPU Unit.
↓
4. Use one of the following methods to request socket services.
Manipulating Dedicated Control Bits
Turn each of the Socket Service Request Switches 1 to 8 in the CIO Area from OFF to ON.
Executing the CMND(490) Instruction
Send each of the socket service requests in FINS commands addressed to the Ethernet Unit.
CX-Programmer
Unit Setup Tab
Setting Setting requirements Page
Setup Broadcast Required. 108
IP Address Optional
Sub-net Mask Optional
IP Router Table Optional (Set when Ethernet
Unit will communicate through
the IP router with a socket on
another IP network segment)
TCP/IP keep-alive Optional (Change when the
default setting of 120 min is
unacceptable.)