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Command/Response Reference Section 7-3
Results Storage Area Response Codes
Note These errors occur only in large multilayered networks.
7-3-17 TCP CLOSE REQUEST
Requests processing to close a TCP socket. Other processing being carried
out is forcibly ended and a code is recorded in the results storage area.
Command Block
Response Block
Results Storage Format
Parameters
Socket Option (Command) The socket option specified as 1 byte. The setting is not valid for this com-
mand. Set to 0.
TCP Socket Number
(Command)
The TCP socket number to be closed specified as 1 byte between 1 and 8.
Response code Description
0000 Normal
0020 Connection to the remote socket was broken during transmis-
sion (EPIPE).
003E Internal buffer cannot be reserved due to high receive load
(ENOBUFS).
0042 (see note) An error occurred (EMSGSIZE).
0044 (see note) Received ICMP data (ENOPROTOOPT).
0045 (see note) A communication error occurred with the remote node
(ECONNABORTED).
004B (see note) A communication error occurred with the remote node
(ECONNRESET).
004E (see note) A parameter error occurred at the remote IP address
(ENETUNREACH).
004F (see note) Received ICMP data (EHOSTDOWN).
0051 (see note) A parameter error occurred at the remote IP address
(EHOSTUNREACH).
0053 (see note) A communication error occurred with the remote node
(ETIMEDOUT).
0081 The specified socket was closed during transmission.
Results storage area
Command
code
Socket option
TCP socket number
27 14
Response
code
Command
code
27 14
Response code
- OPERATION MANUAL 1
- CS1W-ETN21 (100Base-TX) 2
- CJ1W-ETN21 (100Base-TX) 2
- Ethernet Units 2
- Construction of Networks 2
- OMRON Product References 4
- Visual Aids 4
- Unit Versions of CS/CJ-series 5
- TABLE OF CONTENTS 10
- About this Manual: 12
- Relevant Manuals 13
- WARRANTY 16
- LIMITATIONS OF LIABILITY 16
- Application Considerations 17
- Disclaimers 18
- PRECAUTIONS 20
- 1 Intended Audience 21
- 2 General Precautions 21
- 3 Safety Precautions 21
- 5 Application Precautions 22
- Application Precautions 5 23
- 6-1 Applicable Directives 24
- 6-2 Concepts 24
- Low Voltage Directive 25
- SECTION 1 26
- FINS message 27
- CX-Programmer 29
- Receiving e-mail 32
- 1-2 Features 33
- Feat ur es Section 1-2 34
- Additional E-mail Functions 34
- 1-3 System Configuration 36
- User-created 38
- Specifications Section 1-4 39
- 100BASE-TX 40
- 10BASE-T 40
- 1-4-3 Software Configuration 41
- UDP or TCP 42
- FINS IP FINS 42
- Ethernet Unit 43
- CS/CJ-series 43
- CPU Unit 43
- 1-5-3 FTP Server Function 45
- 1-5-4 Mail Send Function 45
- 1-5-5 Mail Receive Function 46
- Host name 47
- IP address 47
- 1-6-1 Component Names 48
- CJ-series Ethernet Units 49
- 1-6-2 Indicators 50
- Unit Version 1.3 53
- Unit Version 1.4 53
- SECTION 2 54
- (See note 3.) 55
- (See note 1.) 55
- (See note 4.) 55
- (See note 5.) 55
- (See note 2.) 55
- 2-2 Switch Settings 56
- Setting range: 57
- 01 to FE (1 to 254 decimal) 57
- ⋅m, and the 58
- 2-4 Network Installation 59
- 2-4-2 Recommended Products 60
- 2-4-3 Precautions 60
- Four stackable hubs 61
- Stack cable 61
- Two stackable hubs 61
- Transceiver/Hub 62
- Ferrite core 62
- Transceiver 62
- 2-5 Connecting to the Network 63
- 2-6 Creating I/O Tables 64
- Initial screen 65
- Password 65
- 2-7 Unit Setup Procedure 66
- Settings Menu 69
- 2-9 Basic Settings 71
- Basic Settings Section 2-9 72
- Setting Contents 74
- Mail Reception 76
- Automatic Clock Adjustment 76
- 2-11 Communications Test 77
- 2-11-3 Host Computer 78
- System Setting Format 81
- Node address Indicators 85
- RUN ERC ERH 85
- - - Lit Not lit Not lit 85
- SECTION 3 86
- CX-Programmer Unit Setup 86
- 3-1 Setup 87
- Setup Section 3-1 88
- 3-2 FINS/TCP 89
- FINS/TCP Section 3-2 90
- DNS Section 3-3 91
- DNS Server Setup 91
- 3-4 SMTP 92
- POP Section 3-5 93
- POP Server Setup 93
- 3-6 Mail Address 94
- 3-7 Send Mail 95
- Send Mail Section 3-7 96
- 3-8 Receive Mail 97
- Receive Mail Section 3-8 98
- Receive Attached File Setting 98
- Receive Command Setting 98
- 3-9 Auto Adjust Time 99
- 3-10 HTTP 100
- HTTP Section 3-10 101
- SECTION 4 102
- × unit number) 103
- Socket Force-close Switch 104
- Mail Send Switch 104
- 1514131211109876543210 104
- 15 14 13 12 11 10 9 8 109
- 7 6 5 4 3 2 1 0 109
- FINS/TCP Connection 110
- 4-2 DM Area Allocations 111
- Socket 113
- (1) (2) (3) (4) 114
- (5) (6) (7) (8) 114
- 4-3 Auxiliary Area Data 115
- SECTION 5 118
- Determining IP Addresses 118
- 5-1 IP Addresses 119
- Network ID (14 bits) 120
- Subnet number Host number 120
- Ethernet address 121
- Ethernet V2 IP UDP 121
- UDP port 122
- TCP port 122
- FINS node number transmission 128
- 5-2-3 Application Examples 129
- IP router 133
- Global address 133
- (required) 133
- SECTION 6 138
- FINS Communications 138
- Application Layer 139
- Transport Layer 139
- Internet Layer 139
- Physical Layer 139
- 6-2 FINS/UDP Method 141
- FINS/UDP Method Section 6-2 142
- 6-3 FINS/TCP Method 143
- FINS/TCP Method Section 6-3 144
- 6-4 Creating Routing Tables 147
- Example 3: All Nodes 150
- 6-5 Using FINS Applications 151
- Setup Tab 152
- Example: Change PLC Settings 152
- − Settings 154
- 6-5-2 FinsGateway 155
- • Network Tab 156
- • Communication Unit Tab 156
- • TCP Nodes Tab 158
- (@)SEND(90) 162
- (@)RECV(98) 163
- (@)CMND(490) 164
- 6-6-4 Writing Programs 166
- Communications instruction: 169
- 6-6-5 Program Example 170
- 6-6-6 Transmission Delays 172
- × 0.003 + 0.704 ms 173
- RECV(098) 175
- ■ Conditions for High Traffic 178
- SECTION 7 180
- 7-1-1 Command Code List 181
- 7-1-2 Response Code List 181
- 0123456789101112 182
- Socket option 182
- 7-2-2 PLC Memory Areas 183
- Response 184
- Command 184
- 7-3-2 CONTROLLER DATA READ 185
- 7-3-3 CONTROLLER STATUS READ 186
- 0123456789101112131415 187
- Test data 188
- 7-3-6 BROADCAST DATA SEND 189
- 7-3-7 ERROR LOG READ 190
- 7-3-8 ERROR LOG CLEAR 191
- 7-3-9 UDP OPEN REQUEST 192
- 7-3-10 UDP RECEIVE REQUEST 193
- 7-3-11 UDP SEND REQUEST 194
- 7-3-12 UDP CLOSE REQUEST 196
- Precautions 198
- Response Codes 199
- Command Block 199
- Response Block 200
- Results Storage Format 200
- Parameters 200
- 7-3-15 TCP RECEIVE REQUEST 202
- 7-3-16 TCP SEND REQUEST 203
- 7-3-17 TCP CLOSE REQUEST 205
- 7-3-18 PING 206
- 7-3-21 IP ADDRESS TABLE WRITE 209
- 7-3-22 IP ADDRESS WRITE 210
- 7-3-23 IP ADDRESS TABLE READ 211
- 7-3-24 IP ROUTER TABLE READ 212
- Response code Description 213
- 0000 Normal 213
- 1001 Command too large 213
- 1002 Command too small 213
- 7-3-25 PROTOCOL STATUS READ 214
- 7-3-26 MEMORY STATUS READ 218
- 7-3-27 SOCKET STATUS READ 220
- 7-3-29 IP ADDRESS READ 222
- SECTION 8 224
- Troubleshooting 224
- 8-2 Error Status 226
- 8-3 Error Log 227
- 8-3-1 Error Log Error Codes 228
- Error Log Section 8-3 229
- 8-4-1 Startup Problems 234
- CMND(490)) 235
- 8-4-3 UDP Socket Problems 236
- Reception Problems occurred 237
- Are any of 237
- Transmission Problems 238
- 8-4-4 TCP Socket Problems 239
- Opening Problems 240
- Reception Problems 241
- 8-4-5 FTP Service Problems 242
- File Transfer Problems 243
- Mail Not being Sent 245
- Mail Not being Received 246
- 1: PLC non-fatal error flag 248
- 1: PLC fatal error flag 248
- 1: Relay error flag 248
- S-b-response code (SRES) 252
- Main response code (MRES) 252
- Error node address 252
- Error network address 252
- Appendix A 256
- Appendix B 258
- Network Memory 259
- Appendix C 260
- Appendix D 262
- Appendix E 264
- Appendix F 266
- Ethernet Unit Web Function 268
- Web Function 268
- Web Function List 268
- Web Function Password 270
- Numerics 274
- Revision History 282
- Printed in Japan 285
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