Omron E5C-T Series - Page 116

Omron E5C-T Series

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5 Communications Data for Modbus

5 - 22

E5C-T Digital Temperature Controllers Programmable Type Communications Manual (H186)

Table of Contents

Preface3
Terms and Conditions Agreement4
- Application Considerations5
- Disclaimers5
Safety Precautions6
- Definition of Precautionary Information6
- Symbols6
Precautions for Safe Use9
Trademarks11
Versions12
Revision History13
Sections in this Manual15
- How this Manual Is Organized15
- Related Manuals15
  - Communications Methods15
  - Table of Contents16
Section 1 Communications Methods20
Overview of Communications Methods20
- Introduction20
- Communications Specifications20
- Transmission Procedure21
- Interface21
- Wiring21
- Communications Parameters22
- Communications Parameter Setup22
- Description of Communications Parameters23
  - Compoway/F Communications Procedures25
Section 2 Compoway/F Communications Procedures26
Data Format26
- Command Frame26
- BCC Calculation Example27
- Response Frame27
- Communications Data28
- End Code Example28
Structure of Command Text30
- PDU Structure30
- Area Definitions30
- Type Code (Variable Type)30
- Addresses31
- Number of Elements31
- List of Services (Main Request Codes and Sub-Request Codes)31
Detailed Description of the Services32
- Read Variable Area32
- Write Variable Area33
- Composite Read from Variable Area34
- Composite Write to Variable Area36
- Read Controller Attributes37
- Read Controller Status38
- Echoback Test39
- Operation Command41
Response Code List46
- Communications Data for Compoway/F47
Variable Area (Setting Range) List48
Status and Status 277
Data Format82
- 4-1-1 Command Frame82
- 4-1-2 Response Frame84
- 4-1-3 Error Codes85
Function List86
Variable Area87
Detailed Description of the Services88
- 4-4-1 Variable Read, Multiple88
- 4-4-2 Variable Write, Multiple90
- 4-4-3 Variable Write, Single/Operation Command92
- 4-4-4 Echoback Test94
  - Communications Data for Modbus95
Variable Area (Setting Range) List96
Status115
- Programless Communications117
6-1 Programless Communications119
- Introduction119
- Features119
- Programless Communications119
- Operation for Programless Communications120
- Timing of Turning Power on and off120
- Connectable Plcs121
E5@C-T Controller Setup122
- Protocol Setting122
- Communications Unit No. and Communications Baud Rate123
- Send Data Wait Time123
- Highest Communications Unit no123
- Areas and First Address of Linked Data124
- Receive Data Wait Time126
- Communications Node Number126
- Upload Settings and Download Settings127
- Copying Parameter Settings131
- 6-2-10 Communications Writing134
- 6-2-11 Communications Monitor Parameter135
Controlling Programless Communications136
- Controlling Programless Communications with the Request Flag136
- Response Flag137
- Range of Operation for Programless Communications138
- Operation Command Codes138
- Confirming Operation of Programless Communications138
- Write Mode138
- Troubleshooting139
Connecting to CP-Series Plcs140
- Configuration and Procedure140
- Switch Settings and Wiring141
- PLC Setup141
- E5@C-T Controller Setup144
- Checking Operation146
- E5@C-T Controller Setup151
Connecting to CJ-Series Plcs151
- Configuration and Procedure151
- Switch Settings and Wiring152
- PLC Setup152
- E5@C-T Controller Setup155
- Checking Operation155
Connecting to MELSEC Q-Series Plcs156
- Configuration and Procedure156
- Wiring157
- PLC Setup157
- E5@C-T Controller Setup162
- Checking Operation163
  - Component Communications169
7-1 Component Communications170
- Introduction170
- Component Communications170
- Wiring171
- E5@C-T Controller Setup172
Operation for Component Communications174
Troubleshooting175
- Appendices177
Section a Appendices178
A-1 ASCII List178
A-2 Troubleshooting179
Index181

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