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Changes from previous version



 

Version 2.0

This is a heavily revised version that includes many pages that were not previously in the public domain.

 

Version 2.1

In page 153: register numbers for 2131 and 2133 corrected.

 

Version 2.2

In page 170: separate register allocation table for 332,334 created (registers 0 to 21 only)

 

Version 2.3

In page 153: For 8xxx the reserved registers are now unimplemented and the number of alarms has been corrected.

 

Version 2.4

In page 4: added 2 new registers (193and 194) for S1 and S2 phase rotation.

 

Version 2.5

In page 180: added register mapping for 335 transfer switch

In page 190: added register mapping for 335 transfer switch

 

Version 2.6

In pages 3, 16, 153, 154, 160, 170, 190, 200-249: Registers and tables added/amended for 335 transfer switch

In pages 180,181: Common family register allocation (registers 64 to 255 as detailed in notes) documented in separate table

 

Version 2.7

In page 2: removed redundant ‘Modem dial back string’ and shifted up the remaining strings for consistency with module implementations

 

Version 2.8

In page 152: Indication of numbers and types of expansion modules for 335

In page 154: Expansion unit watchdog alarm added to 335 register table

In page 160,170: Clarification of expansion digital/analogue inputs

In page 180: Digital outputs and LED colours added for 335; Corrections to 334/335register order

In page 190:Common family register table (as detailed in notes) re-labelled

In pages 225-231: 335 PLC function strings moved

Version 2.9

In pages 153, 160, 170, 222-239, 240-246: Corrections to 7xxx tables.

In page 152: Numbers of expansion modules for 335 amended

In page 153: Register matrix added for 3xx family

In page 154: 330,331,333 module documented and unimplemented/reserved registers corrected for 3xx

In page 156: Register matrix added to identify expansion module support for 8xxx/73xx/335

In page 158: Register matrix added to identify expansion module support for 8xxx/73xx/335

In page 160: Register matrix added to identify expansion module support for 3xx

In page 170: Numbers of expansion modules for 335 amended and Register matrix added to identify expansion module support for 3xx

In page 171: Register matrix added to identify expansion module and PLC support for 3xx

In page 180: 330,331 and 333 modules documented; Register matrix added to identify allocation for 3xx family; Matrix added to common family register table to identify implemented registers for each family/module; LED colour table amended

In page 181: Matrix added to common family register table to identify implemented registers for each family/module;

In page 190: 330,331, and 333 modules documented; Matrix added to common family register table to identify implemented registers for each family/module;unimplemented/reserved registers corrected for 3xx

In pages 200-239: 330,331 and 333 modules documented;334 and 335 module tables separated; 335 table amended

 

Version 2.10

In Page 153: Tables amended to showdetails of registersand layout required for first expansion module for each set and summaries for subsequent modules of the same type; PLC functions numbered 1 to 20 and referred to as functions instead of alarms; Corrections to 3xx tables.

In Pages 158: Corrections to 335 tables.

In Page 160: PLC functions numbered 1 to 20 and referred to as functions instead of alarms; Registers reserved for 2130 expansion modules 4-9 added to 3xx table.

In Page 170: Correction to 8xxx 2131 expansion modules 1-3 description; Correction to numbers of digital inputs available for use on 3xx;

In Page 171:Correction to 8xxx table for 2133 Expansion modules 2 and 3 registers start addresses; Registers reserved for 2130 expansion modules 4-9 added to 3xx table.

In Page 180: Correction to 330/331/334, 335, and 332/333 tables.

In Page 190: Corrections to 335 tables.

In Pages 200-239: Correction to 7xxx reserved page numbers; Modification to 8xxx pages 208-213 for clarity; Corrections to 335 page 201 and 226 tables; PLC functions numbered 1 to 20 and referred to as functions strings for consistent terminology.

In Pages 240-246:Corrections to 335 pages 241-246 tables.

In Page 2:Re-instated modem dial back string

 

Version 2.11

In Page 6: Added derived instrumentation for 335

 

Version 2.12

Throughout: - all relevant descriptions changed from“7xxx” to “72xx/73xx” and from “8xxx” to “74xx/8xxx” to differentiate between 72xx/73xx and 74xx.

 

Version 2.13

Added Page 9 – Total Harmonic Distortion measurements (on 88xx/84xx only)

 

Version 2.14

Added notes 7 to section 8.2 – stating maximum allowable write frequency

 

Version 2.15

In Page 4: Registers 195 and 196 added.

In Page 6: Average, difference, min and max values added and notes extended.

 

Version 2.16

Support for 7450 DC Generator Controller added:

In Page 4: Register 5 renamed for clarity (to distinguish between 2 batteries); Registers 197 to 213 added.

In page 6: New table for 7450 added; 8xxx/74xx table title changed to indicate 8xxx/7410/7420 register allocation

In page 7: Existing maintenance registers renamed to indicate engine maintenance; Registers added for 7450 plant battery maintenance/accumulated data

In page 153: Registers 51 and 52 renamed to indicate engine maintenance alarms; register 100 added for 7450 Plant battery maintenance alarms to 8xxx/74xx table

In page 154: Added registers 26 to 28 for 7450 to 8xxx/74xx table

In page 160: Added registers 225 to 227 for 7450 to 8xxx/74xx table

In page 171: 8xxx/74xx registers 148 to 153 are marked as unimplemented

In page 225: Renamed registers in 8xxx/74xx table to indicate Engine Maintenance strings

In page 228: Added registers 32 to 127 for 7450 to 8xxx/74xx table

 

Version 2.17

In page 6: All Var registers now signed to reflect what has always been the case in practice.

 

Version 2.19

In page 6: Registers 142-145 are unsigned.

 

Version 2.20

In page 4: 32 bit values aligned to an even address (register 204 to 213).

In page 6: 7450 table – registers are signed.

 

Version 2.21

In page 16: Added system control keys for plant battery maintenance alarms.

In page 4: register 200 renamed for clarity.

In page154: register 27 fields renamed for clarity.

In page 160: Page title renamed and preliminary page comments amended for clarity.

 

Version 2.22

In page 4: Added register for Plant Battery Temperature. DC current registers now all 32 bit signed (load, battery, total); added 2 registers for DC shunt currents

In page 6: Appended 7450 table to re-titled 86xx/74xx table. Added DC Power percentage (to 0.01%)

In page 7: Added new registers for plant battery maintenance cycles and capacity

In page 154: Added new alarms for the 73xx Var

In page 153: Note added to indicate number of unnamed alarms required in 86xx, 7410, 7420 and 7450

In pages 200-239; Moved Plant Battery Maintenance strings into page 232, and added note to indicate there are 17 pages used/reserved for PLC function strings.

 

Version 2.23

In page 154: 86xx/74xx register 25 now contains DC Total Watts Overload (moved from register 28)

 

Version 2.24

In page 153: Added notes to indicate that page 153 is used in conjunction with pages 160 to 165

In page 160: Added notes to indicate that this page is used in conjunction with page 153 registers 1 to 64

Added page 161: to be used in conjunction with page 153 registers 65 to 128. Plant Battery Maintenance alarm functions moved into registers 140 to 142 from page 160.

 

Version 2.25

In page 6: Removed unused registers 212-215 (Depth of Discharge, Full Charge)

In page 6: Add registers 212,213 as 32 bit ‘Time to empty’ (time in seconds until the engine runs out of fuel): 87xx v5.3

In page 154: Edit register 28 to include named alarms for high fuel level & low kW load (wet stacking): 87xx v5.3

 

Version 2.26

In page 4: Zero, positive and negative sequence voltages added.

In page 6: Mains voltage rolling averages added.



 

Version 2.27

In page 5: Auto DPF Regeneration Inhibit status added.

In page 16: Control keys for Inhibiting auto regeneration and starting manual regeneration.

 

Version 2.28

In page 180: P100 table added.

In page 190: P100 output table added.         

 

Version 2.29

In page 5: Added register 185 as DPTC Active Regen Inhibit switch

 

Version 2.30

In page 3: Add register for charging states

In page 4: added new DC Battery cycle state value and table

In page 7: Added register for 7450 Battery Charge state percentage

                Added register allocation matrix for E800

In page 153: Added register allocation matrix for E800

In page 154: Added register allocation matrix for E800

In page 160: Added register allocation matrix for E800

In page 161: Added register allocation matrix for E800

In page 170: Added register allocation matrix for E800

In page 180: Added register allocation matrix for E800

In page 181: Added register allocation matrix for E800

In page 190 Added register allocation matrix for E800

In page 200-239: Added register allocation matrix for E800

In pages 240-246: Added register allocation matrix for E800

 

Version 2.31

In page 3:         Added new control mode for E800 ’Off Mode’

In page 16:      Added system control function code to stop E800 engine, for speed control of E800 Engine

and to select E800 Off mode

In page 154:    P100 alarms defined. Corrections to E800 register allocation.

In page 160:    P100 defined.

In page 170:    P100 defined.

In page 190:    Added E800 MUTE/LAMP TEST LED status register.

In page 200:    P100 defined.

 

Version 2.32

In page 170-171: Added register allocation for 6010, 6020

 

Version 2.33

In page 6: Added register Mains voltage asymmetry

 

Version 2.34

Added PLC maths registers to Page 192

Added Heater fitted to Page 3

 

Version 2.35

In page 153:    Noted that the P100 has no unnamed alarms.

In page 154:    Auxiliary mains failure added.

In page 160:    Note about P100 not having unnamed inputs added

In page 170:    Note about P100 not having unnamed inputs added

 

Version 2.36

In page 154:    Register numbering typo corrected for P100.

 

Version 2.37

In page 16:      Changes to 87xx display register commands to stop them conflicting with the Synclock command numbers.

 

Version 2.38

In page 153:    Amended E800 unnamed alarms.

In page 154:    Added E800 LCD Heater fault ids.

In pages 160-163 Amended E800 unnamed alarm function tables

In pages 170-171: Amended E800 unnamed input status tables and clarified E800 sender category ranges

In pages 180:  Amended E800 unnamed output source and polarities table

Added page 185: E800 PWM analogue outputs including configuration data (control type, output type, frequency and source)

In page 190:    Amended E800 Unnamed output status table

 

Version 2.38

In page 16: Battery Charger Lamp Test fn.

In page 154: New Battery Charger Alarm ID’s

 

Version 2.39

Page 16: Updated for battery chargers

Page 154: Updated for battery chargers

 

 

Version 2.40

Page 185: Amended E800 table to re-order the blocks of values such that the Analogue output source and type are in contiguous registers with the source on an even boundary.

 

Version 2.41

Page 185: Amended E800 table to return duty cycle values in registers 32-35 and to add scaling factors 

Page 3: Amended register 6 to add controlled shutdown (used in Exxx) in same bit position as electrical trip

Page 154: Amended alarm condition code table to indicate condition 4 is also used for controlled shutdown (Exxx)

 

Version 2.43

Page 3: Added register 33 for 8661 to indicate whether the module is operating as a bus controller or a mains controller

 

Version 2.44

Page 153: Amended E800 registers 45 to 50 to match page 227

 

Version 2.45

Pages 201,202,203: E800 tables corrected to match page 153

 

Version 2.46

Page 16: Changes for E800: Function codes 0, 76, 77 and78 amended

 

Version 2.47

Page 155: Description of new page on the 73xx.

 

Version 2.48

Page 5: Separated 94xx Battery charger registers from main modules.

 

Version 2.49

Page 137: added generator nominal

 

Version 2.50

Page 16: Added several control keys to Page 16, for the battery charger auxiliary output.

 

Version 2.51

Include reference o page 130 for new end of line MTS tests for 86xx modules (v6+) – register descriptions etc. are included in other GENCOMM documentation & are not for public use.

 

Version 2.52

Page 3: Added some items for the battery charger auxiliary output.

Page 4: Added battery charger auxiliary voltage and current, this page is now full.

Page 5: Added auxiliary output current limit value.

Page 154: Added some new alarms

 

Version 2.53

Page 171: Added 60xx MkII flexible sender categories and values.

 

Version 2.54

Page 192: Added PLC elements

 

Version 2.55

Page 10 added to support AVRs.

 

Version 2.56

Page 6, Page 153, Page 154, Page 160, Page 170, Page 171, Page 180, Pages 200-239: Added 61xxMk II register tables

 

 

Version 2.57

In section 3, note 8 changed.

 

Version 2.58

In section 10.38, ‘Boot in tripped mode’ alarm added.

 

 

Version 2.59

Page 10 register 11 resolution corrected to 0.1 degrees.

Page 10 register 12 renamed Auxiliary Supply voltage

 

Version 2.60

Added references for the L40x series.

 

Page 6: Added L40x to “8xxx/74xx/P100” register allocation title

Page 7: Added L40x to “8xxx/74xx” register allocation title

Page 153: Added L40x unnamed alarm conditions table

Page 154: Added L40x named alarm conditions table

Page 160: Added L40x unnamed alarm function table

Page 170: Added L40x unnamed input status table

Page 180: Added L40x to “72xx/73xx” register allocation title

Page 190: Added L40x to “72xx/73xx” register allocation title

 

 

Version 2.61

Added references for the 4xxx series.

 

Page 6: Added 4xxx to “8xxx/74xx/P100/L40x” register allocation title

Page 7: Added 4xxx to “8xxx/74xx/L40x” register allocation title

Page 153: Added 4xxx to “L40x” register allocation title

Page 154: Added 4xxx to “L40x” register allocation title

Page 160: Added 4xxx to “L40x” register allocation title

Page 170: Added 4xxx to “L40x” register allocation title

Page 171: Added “L40x/4xxx” Unnamed input status continued table

Page 180: Added 4xxx to “72xx/73xx/L40x” register allocation title

Page 190: Added 4xxx to “72xx/73xx/L40x” register allocation title

 

Version 2.62

Added references for the 66xx series

 

Page 6: Added 66xx to “8xxx/74xx/P100/L40x/4xxx” register allocation title

Page 7: Added 66xx to “8xxx/74xx/L40x/4xxx” register allocation title

Pages 153,154,160,170,171,180 + 190: Added 66xx to register allocation titles containing “L40x/4xxx”

 

Version 2.63

Added references for the 71xx series

 

Page 6: Changed 74xx to 7xxx in the “8xxx/74xx/66xx/P100/L40x/4xxx” register allocation title

Page 7: Changed 74xx to 7xxx in the “8xxx/74xx/66xx/P100/L40x/4xxx” register allocation title

Pages 153,154,160,170,171,180 + 190: Added 71xx to register allocation titles containing “L40x/4xxx”

 

Version 2.64

Added references for the 60xx series

 

Page 6: Changed 66xx to 6xxx in the “8xxx/7xxx/66xx/P100/L40x/4xxx” register allocation title

Page 7: Changed 66xx to 6xxx in the “8xxx/7xxx/66xx/P100/L40x/4xxx” register allocation title

Page 153: Added 60xx to the register allocation title containing “L40x/4xxx”, also included additional elements

Page 154: Added 60xx to the register allocation title containing “L40x/4xxx”

Page 160: Added 60xx to the register allocation title containing “L40x/4xxx”, also included additional elements

Page 170: Removed existing register allocation table containing “L40x/4xxx”, combined with existing 60xx table.

Page 180 + 190: Added 60xx to the register allocation title containing “L40x/4xxx”

 

 

Version 2.65

Added references for the 61xx series

 

Page 153: Changed 66xx/60xx to 6xxx in the register allocation title containing “L40x/4xxx”

Page 154: Added 61xx to the “72xx/73xx” family register allocation title

Page 160: Changed 66xx/60xx to 6xxx in the register allocation title containing “L40x/4xxx”

Page 170: Changed 66xx/60xx to 6xxx in the register allocation title containing “L40x/4xxx”

Page 171: Added 61xx to the register allocation title containing “L40x/4xxx”

Page 180 + 190: Changed 66xx/60xx to 6xxx in the register allocation title containing “L40x/4xxx”

 

Version 2.66

Page 10 Register 7 voltage and frequency flags swapped to match V2 PCB to avoid confusion.

Page 10 Register 22 added.

 

Version 2.67

Page 10 register 64 added.

 

Version 2.68

In page 16: Added control keys for Stopping Manual/Forced DPF Regeneration.

In page 154: Amended alarm condition code table to add new code 5 for Controlled Shutdown

 

Version 2.69

In page 5: Added engine instruments for T4 Selective Catalytic Reduction – Diesel Exhaust Fuel (SCR – DEF).

 

Version 2.70

In page 5: Swap 947x registers 188 + 189 (ambient/PCB temperatures) around.

 

Version 2.71

Page 245: 61xx flexible sensor strings

 

Version 2.72

Page 10: Registers 23-26 added and AVR status 6 and 7 added.

 

Version 2.73

Page 5: Registers 191-205 (SCR-DEF instruments) amended.

 

Version 2.74

Page 154: Added DEF and SCR alarms for E800.

 

Version 2.75

Page 154: Added Generator Under Loaded alarm.

 

Version 2.76

Page 5: Registers 206-209 added for P100.

 

Version 2.77

Page 228: Amended table for 8xxx/74xx Registers 32 to 63 to add string for Low load (to reflect the current 86xx usage)

Page 228: Amended table for 8xxx/74xx Registers 64 to 95 to add string for Generator Under loaded (for the 77xx Magnum module)

Page 154: Removed register bits for Generator Under Loaded alarm from 8xxx/74xx named alarm page

Page 153: Added register bits for Low load alarm to 8xxx/74xx unnamed alarm page to reflect the current usage

Page 153: Added register bits for Generator Under Loaded alarm to 8xxx/74xx unnamed alarm page

 

Version 2.78

Page 160: Added Low kW load and Under Loaded unnamed alarm functions to 8xxx/74xx tables

 

Version 2.79

Page 154 : New P100 alarms added.

 

Version 2.80

Page 154 : New P100 alarm added.

 

Version 2.81

Page 154: Duplication of P100 alarm removed.

 

 

Version 2.82

Page 17: Cummins modbus DTC decode format added

 

Version 2.83

Page 3: Register 6 bit 12 is now only for electrical trips. Bit 7 is now used for controlled shutdowns.

Page 153: Amended alarm condition code table to add new code 5 for Controlled Shutdown

 

Version 2.84

Page 5: Register 210 added to allow wide range signed oil pressure for Exxx.

 

 

Version 2.85

Page 10: PWM output duty cycle changed to 0.01% resolution.

 

Version 2.86

Page 154: Amended 72xx/73xx/61xx family register allocation table to add DEF Level Low and SCR Inducement named alarms

 

Version 2.87

Page 154: Amended 72xx/73xx/61xx family register allocation table to insert VAr and LCD heater named alarms

 

Version 2.88

Page 10: Amended website reference from www.modbus-ida.org to www.modbus.org

 

Version 2.89

Page 160: Corrections to Exxx table to match order of page 153

Page 227-229 Inserted unimplemented registers to match order of page 153 registers 176 to 199

 

Version 2.90

Page 10: Alternator excitation current added.

Page 10: Current limit active flag added

Page 10: Excitation overload trip state added

 

Version 2.91

Page 5: added register 211

 

Version 2.92

Page 171:Correction to page 171 for E800, registers 230 to 254 for 2131 expansion modules 1 to 3 inputs A to H

 

Version 2.93

Page 180, 190: added registers to support output I and J on the 73xx

Added new alarms for the 73xx MKII P153, P154 and strings

 

Version 2.94

Page 5: added registers 212 to 216 to support Engine Interface v7

 

Version 2.95

Page 10: ‘Integral limit reached’ flag added.

 

Version 2.96

Page 171: added registers 146 to 177 to support new flex senders on the 73xx MKII

Corrections to page 153 and 154

Added Register 18 to P154

 

Version 2.97

Page 154: P100 ROCOF stages 2 and 3 added.

 

Version 2.98

Page 3 : add register 38 (86xx Mk II: Panel Lock Status)

Page 5: added registers 217 to 228

 

Version 2.99

Page 137: Renamed page, set registers 0-31 as reserved, added register 78 Cummins CM850 Governor gain, amended note to indicate 8xxx only.

 

Version 2.100

Page 153: Exxx – Flex sensor IDs now labelled A-L. Flex sensor fault registers added.

Page 154: Exxx – Alarm Conditions for PWMi and Incorrect Speed alarm added. Number of named alarms set to 58.

Page 160: Exxx – Flex sensor IDs now labelled A-L. Flex sensor fault registers added.

Page 172: Exxx – New page. Continuation of page 170/171 containing unnamed input status registers for internal flexible sensor faults

Page 185: Exxx – Renamed page to indicate analogue outputs. Additional analogue output control types and output range/types. Registers 32-35 now contain analogue output value (according to output range); Additional registers for Analogue output/governor output

Page 224-226: Exxx - Flex sensor IDs now labelled A-L

Page 230-231: Exxx – New pages containing Flexible Sensors sensor fault alarm strings

Page 184: Renamed page description to indicate expansion analogue output sources, differentiating it from new Page 185

Page 185: Renamed page description to indicate internal analogue output sources, differentiating it from Page 184

 

Version 2.101

Page 250: Added onboard analogue output string

 

Version 2.102

Page 7: Added new accumulators for DC modules.

Page 137: Added current limit register.

 

Version 2.103

Page 5: Added missing DC Charger Current.

 

Version 2.104

Page 10: Reg 15 is now signed.

 

Version 2.105

Page 185: Corrected voltage scaling in analogue output table, to 0.001. Also corrected ranges for voltage.

 

Version 2.106

Page 10: Added registers 28-30.

 

Version 2.107

Page 185: Correction to registers 32-35 to indicate unsigned 16 bit values (as per range specified in Page 185 Analogue Output Range Table). Correction to page 185 register 44 to indicate signed 16 bit value (as per range specified in Page 185 Analogue Output Range Table).

 

Version 2.108

Page 201: added flex sensor strings for sensor B to F

 

Version 2.109

Page 153: Added alarms for 45xx MKII

Page 154: Added alarms for 45xx MKII

 

Version 2.110

Page 185: Analogue Output Table amended to clarify PWMi reading and to correct max values used in Exxx

 

Version 2.111

Page 70: Added Extended PLC Stores 1-100

Page 72: Added Extended PLC Registers 1-100

Page 74: Added Extended PLC Timers 1-50

Page 76: Added Extended PLC Counters 1-50

 

Version 2.112

Page 154: Added Electrical Trip Reset - Engine Stop Inhibited register

 

Version 2.113

Page 16: Corrections to available commands

 

Version 2.114

Page 160: Add registers 9 to 13, 217 to 255

Page 161: add registers 0 to 144 for the 73xx

Page 170: add registers 12 to 27

Page 171: registers 106 to 145

Page 172: Registers 112 to 191

 

Version 2.115

Page 170: Added missing Digital code to Sender Category Enumeration

Page 171: Added Sender Category Enumeration

Page 172: Added Sender Category Enumeration

 

Version 2.116

Page 154: Renamed 86xx table register 33 bits 9-12 to indicate E-Trip Stop Inhibited

 

Version 2.117

Page 154: added battery charger common alarms

Page 156, 158 Added DSENet charger status registers

 

Version 2.118

Page 153: Unnamed Alarm Conditions (74xx MKII)

Page 170: Unnamed Input Status (74xx MKII)

Page 171: Unnamed Input Status (74xx MKII)

Page 172: Unnamed Input Status (74xx MKII)

Page 160: Unnamed Input Function (74xx MKII)

Page 161: Unnamed Input Function (74xx MKII)

Page 178: Internal Analogue Sensor Readings and Config values (74xx MKII)

Page 179: Expansion Module Analogue Sensor Limits (74xx MKII)

 

Version 2.119

Page 137: DSENet battery charger Modbus ID’s (73xx MKII)

 

Version 2.120

Page 25: Added names for Modbus Gateway ID’s(73xx MKII)

 

Version 2.121

Page 178: Added detail for generic Analogue Inputs Unit Info registers (Exxx, 86xx MK2)

Page 179: Added detail for generic Expansion Modules Input Ranges (Exxx, 8610 MK2)

Page 170: 86xx/74xx, Exxx max sender category amended

Page 171: 86xx/74xx, Exxx max sender category amended

 

Version 2.122

Page 10: Added ‘Auto frequency selection state’

 

Version 2.123

Page 5: Added Fuel Efficiency kWH/Litre instruments

Page 7: Added Fuel Efficiency accumulated kWH/Litre instrument

 

Version 2.124

Page 153: Added registers 56 to 103 Expansion alarms

Page 154: Removed DSENet common alarms

Page 161: Added DSENet charger registers 145-155

Page 172: Added register 192-207 DSENet charger alarms status

Page 228: Added page

 

Version 2.125

Page 170: Amended table for 8xxx / 74xx MKI family registers 32-41 to indicate registers allocated for Flex sensor as Digital input

 

Version 2.126

Page 137 – Registers 90, 122 and 123 added.

 

Version 2.127

Page 137 – Registers 91, 124 and 125 added.

 

Version 2.128

In section 8.1 Note 5 extended to permit the returning of a sentinel for a reserved register.

 

Version 2.129

Page 154:  Exxx named alarms register 13 bits 1-4 renamed as ECU DEF Level Low; Register 15 bits 5-8 used for DEF Level Low

 

Version 2.130

Page 160/161:  73xx MKII expansion registers renumbered for analogue alarm functions.

 

Version 2.131

Page 154:  Exxx named alarms register 13 bits 1-4 renamed as DEF Level Low (now used for combined ECU and module alarms), and register 15 bits 5-8 set to unimplemented.

 

Version 2.132

Page 127 reg 91 scale corrected.

 

Version 2.133

Page 250: AVR allocation added.

 

Version 2.134

In page 137 Registers 36/37 now signed

 

 

Acknowledgements

The following trademarks are and copyrights are acknowledged:

 

Modbus is copyright of Modbus-IDA.

Windows is a registered trade mark of Microsoft Corporation.

Unicode is a registered trademark of the Unicode Consortium.

J1939 is copyright of the Society of Automotive Engineers, Inc.

 

 

Introduction

The purpose of this standard is to provide a uniform protocol for communicating with any generating set control equipment. It allows all telemetry information relevant to a generating set to be read from the control equipment, regardless of manufacturer or specification, and allows basic operations such as starting and stopping the engine, transferring the load etc. to be performed remotely.

 

This standard does not define how to program the control equipment, or transfer manufacturer specific information such as configurations to or from the equipment.

 

This standard does not define the physical link, but is compatible with RS232, RS423, RS485, modem links or any similar system.

 

This standard uses the Modbus protocol, complete details of which can be found on the Modbus web site http://www.modbus.org/

 







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