Name: Eurotherm 2704
Brand: Eurotherm
Rating: 5 (1 reviews)

To Next Page

2700

User

Manual

2704 Process Controller

HA026933/7

Nov 2012

Default Chapter3
- Table of Contents3
Chapter 1 Introduction14
- About this Manual14
- The Structure of this Manual14
- What Is 270415
Chapter 2 Installation16
- Mechanical Installation16
- Positioning16
- Outline Dimensions Model 270416
- Mounting the Controller17
- Unplugging and Plugging in the Controller17
- I/O Modules18
- To Add or Change Modules18
- Wiring19
- Electrical Connections19
- Rear Terminal Layout19
- Rear Terminals20
- Standard Connections21
- Power Supply Wiring21
- Relay Output21
- Sensor Input Connections22
- Analogue Input Connections23
- I/O Expander (or Additional Digital Input)24
- Digital I/O25
- Optional Plug in Module Connections26
- Digital Communications Connections26
- Devicenet ® Wiring28
- Ethernet Connections30
- I/O Modules31
- To Connect Zirconia (Dual Signal) Probe36
- Zirconia Probe Screening37
Chapter 3 Operation38
- Operator Interface - Overview38
- The Operator Buttons39
- Status Messages40
- Parameters and How to Access Them41
- Pages41
- Navigation Overview42
- To Select a Page Header42
- To Navigate to a Parameter from a43
- To Change Next Parameter in the List44
- To Change any Parameter in the List44
- Backscroll44
- Parameter Values45
- Confirmation Mechanism46
- Invalid Key Actions46
- Parameter Tables47
- Parameter Availability and Alterability47
- Navigation Diagram48
Chapter 4 Function Blocks51
- What Is a Function Block51
- Inputs51
- Outputs51
- Settings51
Chapter 5 Soft Wiring52
- What Is Soft Wiring52
- An Example of Soft Wiring53
- Configuration of the Simple PID Loop54
Chapter 6 Access Levels58
- The Different Access Levels58
- Passcodes58
- To Enter Configuration Level59
- To Enter New Passcodes59
- To Exit Configuration Level59
Chapter 7 Instrument Configuration60
- What Is Instrument Configuration60
- To Select the Instrument Configuration Pages60
- To Configure Controller Options61
- INSTRUMENT Options Page61
- INSTRUMENT Info Page62
- INSTRUMENT Units Page63
- INSTRUMENT Display Page63
- INSTRUMENT Page Promote Page65
- INSTRUMENT User Text Page66
- INSTRUMENT Summary Page67
- INSTRUMENT Standby Page69
- User Text Examples70
- To Re-Name Loop 1 to Zone 170
- To Re-Name User Alarm 1 and Provide a Message70
- To Re-Name Module 1 to be Called Heat Output70
- To Rename a Digital Input and Show in the Summary Page71
- To Assign Custom Units72
- To Customise the Power up Display72
Chapter 8 Programmer Configuration73
- What Is Setpoint Programming74
- Synchronous Programmer74
- Asynchronous Programmer75
- Setpoint Programmer Definitions76
- Run76
- Hold76
- Reset76
- Servo76
- Hot Start76
- Programmer Types77
- Time to Target Programmer77
- Ramp Rate Programmer77
- Segment Types77
- Profile77
- Go Back to Segment78
- End Segment78
- Wait79
- Power Fail Recovery80
- Holdback (Guaranteed Soak)81
- Program User Values82
- Program User Value Enumerations82
- External Program Inputs82
- Profile Lock82
- Example: to CONFIGURE a SYNCHRONOUS PROGRAMMER83
- Example: to CONFIGURE SYNCHRONOUS PROGRAMMER TYPE84
- PROGRAM EDIT Options Page84
- Programmer Wiring86
- Programmer Function Block86
- PROGRAM EDIT Wiring Page87
- To Create or Edit a Program88
- Example: to Access the Program Edit88
- PROGRAM EDIT (Program Page) Parameters88
- Fine and Coarse Holdback89
- Example: to Set up each Segment of a Program90
- PROGRAM EDIT (Segment) Parameters90
- To Run a Synchronous Program92
- To Hold a Program92
- To Reset a Program92
- From Digital Inputs92
- From Digital Communications92
- From the PROGRAM RUN Page92
- Example: to View the State of a Running Program93
- Run Parameter Tables93
- Programmer Wiring Examples96
- One Profile, Three Loops96
- Two Profiles, Two Loops97
- Asynchronous Programmer98
- Program Groups99
- Example: to CONFIGURE an ASYNCHRONOUS PROGRAMMER100
- Example: to CONFIGURE ASYNCHRONOUS PROGRAMMER TYPE101
- Program GROUP Options Page101
- PROGRAM GROUPS Wiring Page102
- PROGRAM GROUPS Group Edit Page102
- Profile Setpoint103
- PSP1 (2 or 3) PROFILE Options103
- PSP1 (2 or 3) PROFILE Wiring105
- PSP1 (2 or 3) PROFILE Run General Pages105
- PSP1 (2 or 3) PROFILE Run Segment108
- PSP1 (2 or 3) PROFILE Program Edit Parameters109
- PSP1 (2 or 3) PROFILE Segment Parameters110
- Example: to Set up and Run Program Groups112
- Example: to Copy a Program113
- Example: to Insert a Segment into a Program114
- Programmer Error Messages114
- Running an Asynchronous Programmer114
- Example: to Run a Program Using the PROG Button115
- Asynchronous Programmer Status Bar116
Chapter 9 Digital Programmer117
- What Is the Digital Programmer117
- To Edit the Digital Programmer118
- Digital Program Edit Page118
- Digital Program 1 to 4 Page119
- Power Fail Recovery119
- Cascade Trim Mode - Earlier Controllers120
- Cascade Parameters (Prior to April 2001)120
Chapter 10 Alarm Operation121
- Definition of Alarms and Events121
- Customisable Parameter Names121
- Types of Alarm Used in 2704 Controller122
- Full Scale High122
- Full Scale Low122
- Deviation High Alarm122
- Deviation Low Alarm123
- Deviation Band123
- Rate of Change Alarm (Negative Direction)124
- Rate of Change Alarm (Positive Direction)124
- Blocking Alarms125
- Full Scale Low with Blocking125
- Full Scale High Alarm with Blocking125
- Deviation Band with Blocking125
- Latching Alarms126
- Latched Alarm (Full Scale High) - Automatic126
- Latched Alarm (Full Scale High) - Manual126
- Grouped Alarms127
- How Alarms Are Indicated127
- 10.5.1 Alarm Delay Time127
- To Configure an Alarm128
- Alarm Tables129
- ALARMS (Summary Page)130
- ALARMS LP1 (2 or 3) Page Parameters131
- ALARMS (PV Input Page) Parameters132
- ALARMS (an Input Page) Parameters132
- ALARMS (Module 1,3, 4, 5 & 6 Page) Parameters132
- ALARMS (User 1 to 8 Page) Parameters133
- Alarm Wiring Examples134
- Control Loop with High and Low Alarms134
- Loop Alarm Inhibited if Programmer Not in Run135
Chapter 11 Loop Set up136
- What Is Loop Set up136
- LOOP SET up (Options Page)137
- Single Loop Control140
- LOOP SET up (Wiring Page) SINGLE LOOP140
- Setpoint Definition141
- Setpoint Function Block141
- Setpoint Parameters142
- LP1 SETUP (SP Aux) Page143
- Pid Control144
- Proportional Term144
- Integral Term144
- Derivative Term144
- High and Low Cutback144
- PID Block Diagram145
- Remote (External) OP Feedback145
- Analogue Value145
- Gain Scheduling146
- To Configure Gain Scheduling147
- PID Parameters147
- PID (Aux) Parameters149
- Output Parameters150
- Table of Output Parameters150
- Motorised Valve Control151
- Motor Parameters151
- Diagnostics152
- Diagnostic Page152
- Display153
- Display Page153
- Cascade Control154
- 11.10.1 Overview154
- 11.10.2 Full Scale Cascade Mode154
- 11.10.3 Trim Mode155
- 11.10.4 Auto/Manual Operation in Cascade155
- 11.10.5 Cascade Controller Block Diagrams156
- 11.10.6 LOOP SETUP (Wiring Page) for Cascade Loop157
- 11.10.7 Cascade Parameters158
- 11.10.8 Cascade Wiring Example159
- Ratio Control160
- 11.11.1 Overview160
- 11.11.2 Basic Ratio Control160
- 11.11.3 Controller Configured for Ratio161
- 11.11.4 Ratio Parameters162
- 11.11.5 Ratio Wiring Example163
- Overide Control164
- 11.12.1 Overview164
- 11.12.2 Simple Override164
- 11.12.3 Sensor Break Action165
- Sensor Break Type = Output (0)165
- Sensor Break Type = Hold (1)165
- 11.12.6 Issues with Sensor Break165
- 11.12.7 Downscale165
- 11.12.8 Upscale165
- 11.12.9 Controller Configured for Override166
- 11.12.10 Override Parameters167
- 11.12.11 Override Wiring Example168
- Loop2 Set up169
- Loop3 Set up169
Chapter 12 Tuning170
- What Is Tuning170
- Automatic Tuning170
- One-Shot Tuning170
- To Autotune Contol Loop Lp1171
- Carbon Potential Control172
- Autotune Parameters173
- To View the State of Autotune173
- Manual Tuning174
- Setting the Cutback Values174
- Integral Action and Manual Reset175
- Valve Position Control175
- Tuning When Gain Scheduling Is Used176
- Tuning Procedure176
- Cascade Tuning177
- To Tune a Full Scale Cascade Loop178
- To Tune a Trim Mode Cascade Loop179
Chapter 13 Controller Applications181
- Zirconia - Carbon Potential Control182
- Temperature Control182
- Carbon Potential Control182
- Sooting Alarm182
- Automatic Probe Cleaning182
- Endothermic Gas Correction182
- Example of Carbon Potential Controller Connections183
- To View and Adjust Zirconia Parameters184
- Zirconia Parameters184
- Wiring Page186
- Zirconia Wiring Example186
- The Zirconia Function Block186
- Configuration of a Carbon Potential Control Loop187
- Probe Impedance188
- Humidity Control189
- Overview189
- Example of Humidity Controller Connections189
- Temperature Control of an Environmental Chamber190
- Humidity Control of an Environmental Chamber190
- To View and Adjust Humidity Parameters191
- Humidity Options Parameters191
- Wiring Page191
- Humidity Wiring Example192
- The Humidity Function Block192
- Configuration of a Humidity Control Loop192
- Vacuum Controller194
- Vacuum Chamber Example194
- Vacuum Controller Functionality195
- Setpoints195
- Low Vacuum Gauge195
- High Vacuum Gauge195
- Gauge Linearisation195
- Roughing Pump Timeout196
- Leak Detection196
- Gauge Switchover196
- Wiring Connections197
- Switch on198
- Operation199
- 13.11.1 to Access the Vacuum Controller Parameters199
- Parameter Tables200
- 13.12.1 High Vacuum Parameter Tables200
- 13.12.2 Low Vacuum Parameter Tables200
- 13.12.3 Backing Vacuum Parameter Tables200
- 13.12.4 Gauge Switching Parameter Tables201
- 13.12.5 Setpoint Parameter Tables201
- 13.12.6 Pump Control Parameter Tables201
- 13.12.7 Leak Detect Parameter Tables202
- 13.12.8 Vacuum Display Parameter Tables202
- Configuration Level203
- 13.13.1 to Configure the Vacuum Summary as the HOME Page203
- 13.13.2 to Customise the Vacuum Summary Page204
- 13.13.3 Vacuum Function Block204
- Vacuum Controller Wiring Examples205
- 13.14.1 Simple Temperature and Vacuum Control205
- 13.14.2 to Scale Vacuum Readout in Other Units207
Chapter 14 Input Operators208
- What Are Input Operators208
- Custom Linearisation209
- Compensation for Sensor Non-Linearities209
- To View and Adjust Input Operator Parameters210
- Input Operator Custom Linearisation Parameters210
- Thermocouple/Pyrometer Switching211
- Input Operators Switch over Parameters211
- To Set up Input Operators (Monitor)212
- Input Operator Monitor Parameters212
- Bcd Input212
- Main Features212
- BCD Parameters213
- Input Operators Wiring Examples214
- Switch over Loop with Custom Linearised Input214
- Configuring the BCD Input to Select a Program215
- Holdback Duration Timer216
Chapter 15 Timer, Clock, Totaliser, Operation217
- What Are Timer Blocks217
- Timer Types218
- On Pulse Timer Mode218
- Off Delay Timer Mode219
- One Shot Timer Mode220
- Compressor or Minimum on Timer Mode221
- To View and Adjust Timer Parameters222
- Timer Parameters222
- The Clock223
- Clock Parameters223
- Time Based Alarms224
- Timer Alarm Parameters224
- Totalisers225
- Totaliser Parameters225
- Application Example226
- Compressor Timer226
Chapter 16 Advanced Functions227
- Pattern Generator227
- Example: Programmer Event Outputs227
- Analogue Switches229
- To Set up an Analogue Switch229
- User Values230
- To Access User Values230
- User Values Parameter Table230
- User Messages231
- To Configure a User Message231
- User Switches232
- To Configure User Switches232
- Custom Enumerations233
- To Configure Custom Enumerations233
Chapter 17 User236
- What Are User236
- User236
- Single Loop User Page236
- Dual Loop User Page237
- Triple Loop User Page - Style 1237
- Triple Loop User Page - Style 2238
- Status Grid User Page238
- Bar Graph239
- Parameter List Style239
- To Configure a User Page240
- To Display the User Page View242
- Auto Manual Operation from a User Page242
- User Page Parameter Tables243
- Single Loop243
- Dual Loop244
- Triple Loop 1 and 2245
- Status Grid246
- Bar Graph247
- Parameter List248
- Blank Page248
Chapter 18 Analogue and Multiple Operators249
- What Are Analogue Operators249
- Analogue Operations250
- To Configure Analogue Operators251
- Analogue Operator Parameters251
- Multiple Operators252
- Cascading Multiple Input Blocks252
- To Enable Multi Operators253
- To Locate Multi Operator Parameters253
- 18.5.1 MULTI OPERATOR Multiop1 (to 3) Page253
- 18.5.2 Use of Default254
Chapter 19 Logic Operators255
- Logic Operations255
- To Configure Logic Operators256
- Logic Operator Parameters256
- Patch Wiring257
- Patch Wiring Parameters257
Chapter 20 Digital Communications258
- What Is Digital Communications258
- To Configure Communications Parameters259
- H Module Parameters259
- 20.2.2 J Module Parameters260
- Digital Communications Diagnostics261
- Ethernet Technical Note262
- MAC Address Display262
- DHCP Settings262
- Instrument Setup262
- Network Connection262
- Dynamic IP Addressing262
- Fixed IP Addressing262
- Additional Notes262
- Itools Setup263
- Addendum:- 2704 Controller Specials Number EU0678264
Chapter 21 2704 Master Communications265
- Introduction265
- Broadcast Communications265
- Direct Read/Write265
- Wiring Connections266
- Example Wiring Diagrams for Different Slaves267
- Cross-Board Version269
- Basic Navigation269
- To Configure Parameters270
- To Configure Slaves271
- Parameter Tables272
- Additional Notes274
- IEEE in 2000 Series274
- Configuration Mode274
Chapter 22 Standard Io275
- What Is Standard Io275
- PV Input275
- To Scale the PV Input275
- Offset276
- To View and Change Input Filter Time277
- Standard IO PV Input Parameters277
- Analogue Input279
- To Scale the Analogue Input279
- Standard IO Analogue Input Parameters279
- Sensor Break Value280
- Fixed Relay Output280
- To Scale the Fixed Relay Output280
- The Fixed Relay Output Parameters282
- Standard IO AA Relay Parameters282
- Standard Io Dig I/Oparameters283
- Standard Digital IO Parameters283
- Standard Io Diagnostic Parameters285
- Standard IO Diagnostic Parameters Table285
Chapter 23 Module Io286
- What Is Module Io286
- Module Identification287
- Idents Page287
- Module Io Parameters288
- DC Control and DC Retransmission288
- Relay Output289
- Triac Output290
- Triple Logic Output and Single Isolated Logic Output291
- Triple Logic and Triple Contact Input292
- Transmitter Power Supply292
- Transducer Power Supply292
- Potentiometer Input293
- PV Input293
- 23.3.10 DC Input295
- 23.3.11 Dual PV Input296
- 23.3.12 4-Wire RTD Input298
- 23.3.13 Dual DC Output299
- 23.3.14 Dual DC Output Module IO Parameters300
- 23.3.15 High Resolution Retransmission Output301
- 23.3.16 High Resolution Output Module Parameters305
- TDS Input Module306
- TDS Input Module Parameters306
- Cable Offset307
- Module Scaling308
- The PV Input308
- To Scale the PV Input309
- Output Modules310
- To Scale a Control Output311
- Retransmission Output312
- To Scale the Potentiometer Input313
- Module Io Wiring Examples315
- To Configure Module 1 Channel a to Run a Program315
- To Operate a Relay from a Digital Input315
- Zirconia Probe Impedance Measurement316
Chapter 24 Transducer Scaling318
- What Is Transducer Scaling318
- Shunt Calibration318
- 24.2.1 to Calibrate a Strain Gauge Bridge Transducer319
- Load Cell Calibration321
- To Calibrate a Load Cell321
- Comparison Calibration322
- To Calibrate a Controller against a Second Reference323
- Auto-Tare Calibration324
- To Use the Auto-Tare Feature324
- Transducer Scaling Parameters326
- Transducer Scaling Parameter Table326
- Parameter Notes327
Chapter 25 Io Expander328
- What Is Io Expander328
- To Configure Io Expander329
- IO Expander Parameters329
Chapter 26 Diagnostics330
- What Is Diagnostics330
- Diagnostics Parameters330
Chapter 27 Calibration332
- User Calibration332
- Precautions332
- Pv Input333
- To Calibrate MV Range333
- Thermocouple Calibration335
- Voltage Calibration335
- High Z Voltage Calibration335
- 3-Wire RTD Calibration336
- Analogue Input337
- Module I/O338
- DC Output Module338
- PV Input Module340
- Dual PV Input Module340
- DC Input Module340
- TDS Input Module - Conductance Calibration341
- 4-Wire RTD Module Calibration342
- To Restore Factory Calibration Values344
Chapter 28 Boiler Control345
- Introduction345
- What Is Tds345
- How Is Tds Measured346
- Specific Conductance346
- Temperature Correction Factor - TCF346
- Liquid )346
- Probe Factor (K)347
- Probe Design and TDS Module Operation347
- Probe Deterioration347
- Driver O/P348
- Bubbles348
- TDS Function Block349
- Installation Versus Operation Modes349
- Probe Deterioration / Scaling349
- TDS Function Block Parameters350
- Further Parameter Descriptions352
- Bottom Blowdown Function Block357
- Bottom Blowdown of Multiple Boilers357
- Operating Principles of High Integrity Interlock Bus358
- Blowdown Sequence359
- Non High Integrity Interlock Bus359
- Valve Switch Option359
- Bottom Blowdown Parameters360
- Example: to Perform a Boiler Blowdown361
- TDS Input Module361
Appendix A Order Code362
- Hardware Code362
- Quick Start Code363
- Quick Start Code Example363
Appendix B Safety and Emc Information364
- Safety364
- Electromagnetic Compatibility364
- General364
- Service and Repair364
- Electrostatic Discharge Precautions364
- Cleaning364
- Installation Safety Requirements365
- Safety Symbols365
- Personnel365
- Enclosure of Live Parts365
- Isolation365
- Wiring365
- Power Isolation366
- Earth Leakage Current366
- Overcurrent Protection366
- Voltage Rating366
- 30.4.10 Conductive Pollution366
- 30.4.11 Over-Temperature Protection366
- 30.4.12 Grounding of the Temperature Sensor Shield366
- Installation Requirements for EMC366
Appendix C Technical Specification367
- Routing of Wires367
- All Analogue, Dual and Pv Inputs367
- Precision PV Input / Module367
- Dual (Probe) Input Module368
- Analogue Input368
- Analogue Input Module368
- Standard Digital I/O369
- Digital Input Modules369
- Digital Output Modules369
- Analogue Output Modules369
- Transmitter PSU369
- Transducer PSU369
- Dual DC Output370
- High Resolution DC Output370
- Potentiometer Input370
- TDS Module370
- 4-Wire RTD Input371
- Digital Communications371
- Alarms372
- 31.19 User Messages372
- Control Functions372
- Setpoint Programmer372
- Advanced Functions372
- General Specification372
- Graphical Representation of Errors373
- 31.24.1 MV Input373
- 31.24.2 MID Range High Impedance Input373
- 31.24.3 High Level Input374
- 31.24.4 3-Wire RTD (Pt-100) Input Type374
- 31.24.5 Thermocouple Input Type375
Appendix D Parameter Units and Addresses376
- Commonly Used Parameters376
- Parameter Units379
- Module Status Messages379

Questions and Answers:

Need help?

Do you have a question about the Eurotherm 2704 and is the answer not in the manual?

Eurotherm 2704 Specifications

General

Control Type	PID, On/Off
Input Types	Thermocouple, RTD, mA, V
Output Types	Relay
Communication	Modbus
Dimensions	96 x 96 mm
Alarms	2 programmable alarms
Display	LED Display
Supply Voltage	100-240V AC, 24V AC/DC

Related product manuals

Eurotherm 2416

110 pages

Eurotherm 2500

224 pages

Eurotherm Invensys 2408

Eurotherm 7000 Series

46 pages

Eurotherm 2704 User Manual

Table of Contents

Questions and Answers:

Eurotherm 2704 Specifications

Related product manuals