Omron CS1W-ETN21 Command Codes and Response Codes, Command Code List, Response Code List

Command Codes and Response Codes Section 7-1

7-1 Command Codes and Response Codes

7-1-1 Command Code List

The command codes listed in the following table can be sent to an Ethernet

Unit.

Command code		Name	Page
MRC	SRC
04	03	RESET	159
05	01	CONTROLLER DATA READ	160
06	01	CONTROLLER STATUS READ	161
08	01	INTERNODE ECHO TEST	163
	02	BROADCAST TEST RESULTS READ	164
	03	BROADCAST DATA SEND	164
21	02	ERROR LOG READ	165
	03	ERROR LOG CLEAR	166
27	01	UDP OPEN REQUEST	167
	02	UDP RECEIVE REQUEST	168
	03	UDP SEND REQUEST	169
	04	UDP CLOSE REQUEST	171
	10	PASSIVE TCP OPEN REQUEST	172
	11	ACTIVE TCP OPEN REQUEST	174
	12	TCP RECEIVE REQUEST	177
	13	TCP SEND REQUEST	178
	14	TCP CLOSE REQUEST	180
	20	PING	181
	30	FINS/TCP CONNECTION REMOTE	182
		NODE CHANGE REQUEST
	31	FINS/TCP CONNECTION STATUS	183
		READ
	50	IP ADDRESS TABLE WRITE	184
	57	IP ADDRESS WRITE (CJ Series only)	185
	60	IP ADDRESS TABLE READ	186
	61	IP ROUTER TABLE READ	187
	62	PROTOCOL STATUS READ	189
	63	MEMORY STATUS READ	193
	64	SOCKET STATUS READ	195
	65	ADDRESS INFORMATION READ	196
	67	IP ADDRESS READ	197

7-1-2 Response Code List

Response codes are 2-byte codes which indicate the results of command execution. They are returned in the response following the command code.

The first byte of a response code is the MRES (main response code), which categorizes the results of command execution. The second byte is the SRES (sub-response code) which specifies the results.

		MRC:	Main request code
Command	Response	SRC:	Sub-request code
code	code	MRES: Main response code

SRES: Sub-response code

MRC SRC MRES SRES

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