CRE Technology GENSYS 2.0 - Table 77 - Modbus Communication Example

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A53 Z0 9 0020 L En Technical documentation

Chapter : Communication

187

3/ Modbus communication example:

Table below gives an example of a MODBUS master sending a reading request (function 04) of 3 registers

starting from variable E0007. This request is sent to a GENSYS 2.0 setup as slave number 5.

MODBUS RTU request/answer example

Master request

GENSYS 2.0 slave answer

Field

Value

Field

Value

Slave address

Function request

Function

Starting register (MSB)

Data bytes (=2*Number of requested registers)

Starting register (LSB)

Value of register E0007 (MSB)

Number of registers (MSB)

Value of register E0007 (LSB)

Number of registers (MSB)

Value of register E0008 (MSB)

CRC16 (MSB)

Value of register E0008 (LSB)

CRC16 (LSB)

Value of register E0009 (MSB)

Value of register E0009 (LSB)

CRC16 (MSB)

CRC16 (LSB)

Table 77 - Modbus communication example

Main Page

Table of Contents6
Overview14
European Union Directive Compliance Ce14
Environment14
Characteristics15
Figure 1 - Panel Cut-Out15
Gensys 2.0 Core16
Description16
User Interface with Ardm 2.016
User Interface Using Digital Inputs16
Table 1 - Digital Input Functions16
Gensys 2.0 Lt17
Description18
Front Panel18
Figure 2 - GENSYS 2.0 Front Panel18
Table 2 - LCD Screen Characteristics18
Table 3 - Display Panel Keys19
Table 4 - Service Panel Keys20
Table 5 - Control Panel Keys21
Table 6 - Control Panel Led's22
Rear Panel - Connectors23
Figure 3 - Rear Panel23
Table 7 -Inputs/ Outputs Description29
User Interface30
Figure 4 - User Interface30
Figure 5 - Default Screen Saver30
Security Level and Password31
Figure 6 - Password Input Mode Display31
Table 8 - Authorization Levels and Passwords31
Local Navigation32
Figure 7 - Main Menu32
Figure 8 - Browser Link Description32
Figure 9 - Contextual Keys for Input Mode33
Remote Control Using Apc (Ethernet Connection )34
Figure 10 - CRE Config Software34
Figure 11 - Typical GENSYS 2.0 Web Pages35
Figure 12 - Ethernet Configuration Page39
Operating Mode40
Assisted Manual Mode40
Figure 13 - Assisted Manual Mode Without Main Paralleling41
Figure 14 - Assisted Manual Mode with Main Paralleling42
Automatic Mode43
Test Mode43
Semi-Automatic Mode44
Figure 15 - Semi-Automatic Mode44
Manual Mode45
Start Sequence46
Figure 16 - Typical Start Sequence for Fuel Engines46
Predefined Configuration48
Single Generator in Change-Over Mode48
Figure 17 - Power Plant in Change-Over Mode Without Paralleling48
Table 9 - Typical Basic Change-Over Configuration48
Figure 18 - Typical Sequence in Change-Over Mode on Mains Failure49
Figure 19 - Typical Sequence in Change-Over Mode on Start Request50
Single Generator in No-Change-Over Mode51
Figure 20 - Power Plant in Change-Over Without Paralleling51
Table 10 - Typical no Change over Basic Configuration51
Generator Paralleling with Digital Bus52
Figure 21 - Power Plant with Several Generators52
Table 11 - Typical Basic Multi Generator Configuration52
Generators Paralleling with Gensys 2.0 and Parallel Line Modules53
Figure 22 - Generator Paralleling with Parallel Lines53
Table 12 - Typical Basic Configuration for GENSYS 2.0 with Parallel Line Modules53
Multiple Generators with Static Paralleling54
Figure 23 - Static Paralleling with 4 Generators Coupled Together in Emergency Situation54
Figure 24 - Example with 4 Generators Paralleled Together in Emergency Situation54
Table 13 - Paralleling with Mains55
Single Generator Paralleled with Mains56
Figure 25 - Paralleling with Mains56
Figure 26 - Typical Sequence in no Break CO Mode on Start Request57
Table 14 - Typical Basic Mains Paralleling Configuration57
Figure 27 - Typical Sequence in no Break CO Mode on Mains Failure58
Figure 28 - Typical Sequence in Permanent Mode on Mains Failure59
Figure 29 -Typical Sequence in Permanent Mode on Start Request60
Power Plant Paralleled with Mains Using Master 2.0 or Gcr61
Figure 30 - Power Plant Paralleling with Mains61
Table 15 - Paralleling with Mains Configuration61
Figure 31 - GCR  GENSYS 2.0 Wiring Diagram62
Table 16 - GENSYS 2.0 / GCR Configuration62
Power Plant Paralleled with Several Mains Using Master 2.0 or Gcr by Mains63
Figure 32 - Power Plant Paralleling with Several Mains63
Table 17 - Power Plant Paralleling with Several Mains Configuration63
Installing and Commissioning a Gensys 2.0 Application64
Minimum Wiring Diagram64
Figure 33 - Minimum Wiring Diagram64
Complete Wiring Diagram65
Figure 34 - Complete Wiring Diagram65
Installation Instructions66
Figure 35 - Mounting Kit66
Figure 36 - Mounting Brackets on GENSYS 2.066
Figure 37 - Earth Grounding67
Figure 38 - Power Supply Circuit Breaker67
Before Commissioning68
During Commissioning68
Figure 39 - Interconnection of All Battery Negatives68
Dedicated I/O Lines72
Speed Governor Interface72
Figure 40 - Speed Output72
Figure 41 - Connection with EFC Cummins75
Table 18 - Speed Governor Parameters75
Figure 42 - PWM Dynamic76
Figure 43 - Caterpillar PEEC and ADEM Connections76
Table 19 - PWM Parameters76
Speed and Voltage Control with Contacts/Pulses77
Figure 44 - Speed and Voltage Control with Contacts / Pulses77
Table 20 - Parameters Speed and Voltage Control with Contacts / Pulses77
Figure 45 - Speed and Voltage Control Pulses79
Analogue AVR (Auto Voltage Regulatior) Control80
Figure 46 - Voltage Output80
Table 21 - AVR: Gain and Offset80
Table 22 - AVR Parameters82
Relay Output83
Figure 47 - Breakers Wiring83
Table 23 - Used Variables for Breakers Setting83
Table 24 - Breaker Control Configuration84
Figure 48- Undervoltage Coil85
Crank/Fuel/Starter 2/ Starter 3 Functions86
Water Preheat/ Pre-Lubrication/ Pre-Glow Functions87
Figure 49 - Connections for Water Preheat, Pre Lubrication and Pre Glow87
Air Fan88
Figure 50 - Connection for Air Fans88
Fuel Filling/ Coolant Filling/ Oil Filling89
Figure 51 - Connections for Filling89
Table 25 - Filling Parameters in Automatic Mode89
Figure 52 - Fuel Filling Diagram90
Table 26 - Filling Parameters in Automatic Mode with Equations90
Analogue Load Sharing Line91
Figure 53 - Filling Example91
Figure 54 - Wiring Parallel Lines91
Watchdog Output92
O Lines93
Digital Input93
Table 27 - Input Parameters93
Table 28 - Input Validity Domain94
Table 29 - Input Direction Domain94
Digital Outputs97
Table 30 - Input Functions97
Analogue Input (Via CRE Config Software)101
Table 31 - Digital Outputs Function101
Table 32 - Oil Pressure Calibration Points102
Table 33 - Water Temp Calibration Points103
Protections106
Disable106
Generator Electrical Fault106
Mains Electrical Fault106
Alarm106
Fault (Soft Shut Down)106
Security (Hard Shutdown)106
Droop106
Help + Fault (Soft Shut Down)106
Help + Gen. Electrical Fault107
Potential Alarms/Faults List107
Table 34 - Potential Alarm/Fault List110
Additional Functions111
Load Sharing Using Integral (De-Drooping)111
Operator Controlled Return to Mains113
Mains Electrical Fault113
Table 35 -Integral Inhibition113
Table 36 -Mains Electrical Fault113
Figure 55 - Change over with One Digital Input Setup as "Mains Electrical Fault114
Generator Electrical Fault115
Figure 56 - Permanent Mains Paralleling with One Digital Input Setup as "Mains Electrical Fault115
Figure 57 - Permanent Mains Paralleling and Generator Electrical Fault115
Table 37 - Generator Electrical Fault115
Gensys 2.0 with External Automatic Start Module116
Figure 58 - Wiring GENSYS 2.0 and Auto Start Module116
Table 38 - Wiring GENSYS 2.0 and Auto Start Module116
Figure 59 - External Start Sequence117
Remote Start Upon External Pulse118
Safety Inhibitions119
Use of Bsm II with Gensys 2.0121
Figure 60 - Wiring GENSYS 2.0 to BSM II121
Gensys 2.0 with Tem Compact124
Figure 61 - Wiring GENSYS 2.0 TEM124
G59 Norm (Access Level -1)125
Scada125
Table 39 - Wiring GENSYS 2.0 TEM125
How to Set Agpid126
Figure 62 - Typical GPID Controller126
Automatic Load / Unload127
Figure 63 - Automatic Load/Unload128
Figure 64- Automatic Load/Unload Sequence128
Table 40 - Parameters Load/Unload Threshold129
Figure 65 - Unload According Power130
Table 41 -Parameters Used During Load/Unload According to Power130
Heavy Consumer (Marine Sequence)131
Table 42 - Settings Heavy Consumer131
Figure 66 - Heavy Consumer Control with Active Power Analysis132
Figure 67 - Heavy Consumer Control with Number of Gensets Analysis132
Non-Essential Consumer Trip (Marine Sequence)133
Table 43 - Settings Non-Essential Consumer133
Figure 68 - Non Essential Consumer Trip Alarm (1)134
Figure 69 - Non Essential Consumer Trip Alarm (2)134
Figure 70- Non Essential Consumer Trip Output Setting135
Figure 71 - Non Essential Consumer Trip Timers135
Figure 72 - Non Essential Consumer Trip Diagram135
Phase Offset (Dyn11 and Other)136
Figure 73 - Phase Offset Example136
Voltage System (120° Three Phases , 180° Two Phases , Single Phase )137
Figure 74 - Voltage System137
Table 44 - Voltage System137
Maintenance Cycle138
Front Panel Inhibition139
Table 45 - Front Panel Inhibition139
Text File & Plc140
Introduction140
Variable Naming140
Text File Description141
Table 46 - Label Definition Bloc142
Table 47 - Custom Logo Labels143
Table 48 - Accuracy Codes144
Table 49 - Units Codes144
Table 50 - Variables with Customizable Unit/Accuracy Values146
Plc Programming Language147
Variables149
Table 51 - Available Instructions149
Syntax Examples150
Gensys 1.0 - Gensys 2.0 Compatibility152
Resetting to Factory Parameters154
Donwload Acustom Language File154
Communication155
Can Bus Good Practices155
Figure 75 - Network Topologies155
Table 52 - DB9 Pin out155
Figure 76 - Example of CAN Connection between 3 Modules156
Table 53 - Maximal Length / Communication Speed156
Table 54 - Speed Communication (COM1 & COM2)156
COM1: CRE Technology Inter-Modules CAN Bus157
Table 55 - CAN Bus Fault157
Figure 77- Example CAN Bus Fault158
Figure 78 -Broadcasting Data between Multiple Units158
Table 56 - Broadcast Data Sent on Inter Module CAN Bus159
Table 57 - Broadcast Data Received from Inter Module CAN Bus160
Figure 79 - Analogue and Digital Data Broadcast Example161
Table 58 - Analogue and Digital Data Broadcast Example161
Table 59 - CAN Bus Inhibition Variables162
Figure 80 - CAN Bus Inhibition Schematic (Example)163
Table 60 - Tie Breaker Example163
COM2: CAN Protocols (Canopen, J1939, MTU MDEC)164
Figure 81 - Modular Remote Canopen I/O Extension Module165
Figure 82 - Canopen Coupler Wiring165
Table 61 - Canopen Input and Output Variables166
Table 62 - Canopen Configuration Example167
Table 63 - J1939: Analog Measure or J1939168
Table 64 - J1939: Manufacturer/Ecu List169
Table 65 - J1939: Measurement List172
Table 66 - Unknown SPN/FMI173
Table 67 - J1939: Alarms/Faults List174
Table 68 - J1939: Trames RX Custom175
Table 69 - J1939: Custom Engine Configuration176
Figure 83 - MDEC: GENSYS2.0 Connexion178
Table 70 - MDEC Connexion178
Table 71 - Important Parameters179
Figure 84 - MDEC Screens180
Com3: Usb182
Com4: Ethernet182
Com5: Modbus Rtu on Serial Port Rs485184
Table 72- Modbus Functions Handled184
Table 73: 32 Bits Variables (Use Function 0X10)185
Table 74 - Modbus Configuration Parameters185
Table 75 - COM5 Terminals185
Table 76 - Modbus Parameters for Alerm/Fault Management186
Table 77 - Modbus Communication Example187
Com6: Sd Card188
Table 78 - SD Card Backup - File Size191
Support/Troubleshooting195
Menu Overview198
Menu Introduction198
Display Menu198
Figure 85 - Synchroscope202
Table 79 - Active Timers 1/2204
Table 80 - Active Timers 2/2204
Configuration Menu205
Table 81 - Power Plant Configuration206
Table 82 - Automatic Load/Unload Configuration207
Table 83 - Load Dep Stop Configuration207
Table 84 - Generator ½ Configuration208
Table 85 - Generator 2/2 Configuration208
Table 86 - Generator Electrical Fault Configuration209
Table 87 - AVR Control Configuration209
Table 88 - Mains/Bus Configuration210
Table 89 - Mains Electrical Fault Configuration210
Table 90 - External/Internal Start Sequence Configuration211
Table 91 - Configuration Reglages Démarreur211
Table 92 - Checking before Starting Configuration211
Table 93 - Speed Control Settings Configuration212
Table 94 - Speed Governor Control Configuration212
Table 95 - J1939/MDEC Configuration213
Table 96 - J1939 Protection Configuration213
Table 97 - Generator Protections Configuration214
Table 98 - Mains Protections Configuration214
Table 99 - Engine/Battery Protections Configurations215
Table 100 - Digital Outputs Configuration216
Table 101 - Relay Outputs Configuration217
Table 102 - Breakers Configuration217
Table 103 - Engine Timers Configuration218
Table 104 - Mains Timers Configuration219
Table 105 - Synchro Check Relay Configuration219
Table 106 - Phase Synchro PID Configuration220
Table 107 - Kw Sharing Loop PID Configuration221
Table 108 - Ramp/Constant Kw PID Configuration221
Table 109 - PID Hz Loop Configuration222
Table 110 - PID Kvar Sharing Loop222
Table 111 - PID Cos(Φ) Loop Configuration222
Table 112 - Reset of Maintenance Cycle223
Figure 86 - Modification by Variable Number224
System Menu225
Table 113 - Date and Time Settings225
Table 114 - Meters Reset225
Table 115 - Meters Preset226
Table 116 - Screen Saver Mode227
Table 117 - Screen Saver227
Table 118 - Language Selection228
Table 119 - Ethernet Configuration229
Table 120 - Modbus Configuration229
Figure 87 - Modbus Rights Access Screen230
Table 121 - SD Card Configuration230
Figure 88 - Compilation Result Screen233
Figure 89 - Download Logo Screen233
Dedicated Screens234
Figure 90 - Faults Screen235
Figure 91 - Information Screen236
Useful Information237
Figure 92 - Speed Regulation Details237
Figure 93 - Voltage Regulation Details238
Precautions239
Figure 94 - Several Generators Warning239
Figure 95 - One Generator with Mains Warning239
References241
Product Reference241
Options241
Accessories242
Table 122 - Cable Reference242
Table 123 - CRE Technology Product Reference242
Cre Technology243
Figure 96 - Access to CRE Technology243
Figure 97 - CRE Technology Distributors244

CRE Technology GENSYS 2.0 - Table 77 - Modbus Communication Example

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