Omron E5CC-RX2ABM-000 Communications Manual

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H186-E1-05

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Digital Temperature Controllers

Programmable Type

Communications Manual

E5@C-T

Communications

Data for CompoWay/F

CompoWay/F Commu-

nications Procedures

Communications

Methods

Communications

Data for Modbus

Programless

Communications

Component

Communications

Modbus Communica-

tions Procedure

Appendices

Index

4

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

Other manuals for Omron E5CC-RX2ABM-000

User Manual438 pages

Instruction Manual2 pages

Manual139 pages

Questions and Answers:

H
hamiltonamyAug 18, 2025
Why is my Omron Temperature Controller overshooting, undershooting, or hunting?
- J
  Jorge FuentesAug 18, 2025
  If your Omron Temperature Controller is showing overshooting, undershooting or hunting, it could be due to several reasons. First, if ON/OFF control is enabled, select PID control and perform autotuning. Second, if the control period is too long compared to the temperature's rise and fall speed, shorten the control period. Third, unsuitable PID constants can cause this issue; execute AT (autotuning) or manually set appropriate PID constants. Finally, an HS alarm operation fault may be the cause; use breeder resistance if leakage current is the problem and investigate errors detected by the HS alarm function.
M
Margaret KellyAug 23, 2025
What to do if Omron E5CC-RX2ABM-000 Temperature Controller shows a large temperature error (S.Err)?
- A
  Andrew HowardAug 23, 2025
  If your Omron Temperature Controller displays a large temperature error or an input error (S.Err), check the sensor type and reset the input type correctly. Also, ensure the thermometer is installed properly, checking its installation location and polarity. Make sure that the connected device is not faulty.
D
Dana OneillAug 26, 2025
Why is the temperature not rising in my Omron E5CC-RX2ABM-000 Temperature Controller?
- L
  Leah LeeAug 26, 2025
  If the temperature is not rising on your Omron Temperature Controller, first, ensure that the specified operation (forward or reverse) is suitable for the required control. Check for heater burnout or deterioration and verify the heater's heating capacity is sufficient. Also, check if a cooling system is in operation. Finally, ensure that any peripheral devices with heat prevention are set to a value higher than the set temperature of the Digital Controller.
J
Jamie RayAug 28, 2025
Why won't my Omron E5CC-RX2ABM-000 Temperature Controller operate?
- N
  Nicholas MorganAug 28, 2025
  If your Omron Temperature Controller will not operate, ensure the Run/Reset parameter is set to Run. Check whether the thermometer has burnt out or short-circuited. Ensure thermometer lead wires and power lines are in separate conduits, or wired using a more direct path. The connection between the Digital Controller and thermocouple should use the thermocouple’s lead wires directly, or compensating conductors suitable for the thermocouple. Verify the thermometer's installation location is suitable and set a suitable input shift, or set the input shift value to 0.0 if not required.
J
Joseph DelgadoAug 30, 2025
Why won't the output turn on in my Omron Temperature Controller?
- E
  Elizabeth RomeroAug 30, 2025
  If the output of your Omron Temperature Controller will not turn ON, ensure the Run/Reset parameter is set to Run. Select either forward or reverse operation depending on the required control. Set a suitable value for the hysteresis. Supply the specified power from the terminals, as the output will not turn ON while the Digital Controller is being operated with power supplied through the USB-Serial Conversion Cable.
N
Nicholas HendersonSep 2, 2025
Why is the control unstable on my Omron E5CC-RX2ABM-000 Temperature Controller?
- C
  cmedinaSep 2, 2025
  If the control is unstable on your Omron Temperature Controller, retighten terminal screws to a torque of 0.43 to 0.58 N·m. If the internal components have reached the end of their service life, replace the Digital Controller and all other Digital Controllers purchased in the same time period.
J
Jeremy DanielsSep 4, 2025
How to unlock Omron E5CC-RX2ABM-000 Temperature Controller keys?
- D
  Donald PhamSep 4, 2025
  If the keys on your Omron Temperature Controller will not operate, turn OFF setting change protect.

Omron E5CC-RX2ABM-000 Specifications

General

Type	Digital Temperature Controller
Model	E5CC-RX2ABM-000
Power Supply	100 to 240 VAC
Size	48 x 48 mm
Number of Outputs	2
Control Output 1	Relay
Mounting Method	Panel Mount
Number of Control Outputs	1
Setting Resolution	0.1 °C
Protection Rating	IP66
Input Type	Thermocouple, RTD
Output Type	Relay, Voltage
Display Type	LCD
Control Method	PID
Alarm Output	Relay

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