Omron CJ1W-ETN21 Using Socket Service Functions, Settings Required for Socket Service Function

Using Socket Service Functions Section 6-5

6-5 Using Socket Service Functions

6-5-1 Procedure

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.

6-5-2 Settings Required for Socket Service Function

The following settings must be made in the Unit Setup when using socket ser- vices.

CX-Programmer	Setting	Setting requirements	Page
Unit Setup Tab
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.)

107