NMEA2000 to Modbus Gateway Part No. 3155 User Manual
Contents
1. 34 7 17 Battery Charger Instance 1 36 7 18 Battery Charger Instance 2 38 7 19 Battery Charger Instance 3 Registers eee 41 7 20 Switch Bank Status and Control 43 7 21 Switch Bank Holding Registers cccsccccccccssssssssseeeeecessesssseaeeeesens 43 8 edle LA ede bere eatem ain Ce aee aves 51 9 Technical Specification rrrrrnnnnornnnnnnnrnnnnnnnrnnnnannnnrsnnnnnnrsnannnnssnnnnnnssnnnnnsee 51 Page 4 of 55 10 Technical Support eee cere eere 52 11 Waranty usa rm 53 Page 5 of 55 hore 1 Introduction The Offshore System s NMEA2000 to Modbus Gateway Part No 3155 makes NMEA2000 messages from Engine Generators Tanks Batteries AC Sources and Switch Banks available over Modbus interface to PLC based vessel monitoring systems This unit is designed to operate in a protected marine environment such as an engine room or below decks It is very important that it is installed and set up correctly according to this manual Please read and follow the installation and setup instructions carefully to achieve the best results 1 1 Firmware Revision The information in this manual corresponds to firmware revision 1 05 1 2 Produc2. 55 Switch 14 bits XXXX XXXX SSxx Switch 15 bits XXXX XXSS Switch 16 bits Values as per bit value table above 0x019D 0413 Switches 17 24 16 bit field SSXX XXXX Switch 17 bits 55 Switch 18 bits SSxx xxxx xxxx Switch 19 bits XXXX XXSS xxxx xxxx Switch 20 bits XXXX XXXX SSxx xxxx Switch 21 bits XXXX XXXX XXSS xxxx Switch 22 bits XXXX XXXX XXXX SSxx Switch 23 bits Page 46 of 55 Ofer XXXX 55 Switch 24 bits Values as per bit value table above 0x019E Hex Addr 0414 Dec Addr Switches 25 28 Data Field 16 bit field XXXX SSxx xxxx Switch 25 bits XXXX XXXX XXSS xxxx Switch 26 bits XXXX XXXX SSxx Switch 27 bits XXXX XXXX XXXX XXSS Switch 28 bits Values as per bit value table above Data Type Range and Resolution 0 019 0415 Switches 1 8 16 bit field SSXX Switch 1 bits XXSS xxxx Switch 2 bits XXXX SSxx xxxx Switch 3 bits XXXX XXSS xxxx Switch 4 bits XXXX XXXX SSxx xxxx Switch 5 bits XXXX XXXX XXSS xxxx Switch 6 bits XXXX XXXX SSxx Switch 7 bits XXXX XXXX 55 Switch 8 bits Values as per bit value table above 0x01A0 0416 Switches 9 16 16 bit field
3. 7 2 Engine Instance 1 Registers Dec Data Field Addr Hex Addr Data Type Range and Resolution 0x0011 0017 Engine Oil Pressure Unsigned 16 bit integer Range 0 6 553 200 Resolution 1 10 2 0 0012 0018 Engine Oil Temp Unsigned 16 bit integer Range 0 6 553 2 deg Resolution 1x10E 1 deg K 0x0013 0019 Engine Temp Unsigned 16 bit integer Range 0 655 32 deg Resolution 1x10E 2 deg K 0x0014 0020 Alternator Voltage Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0015 0021 Fuel Rate Signed 16 bit integer Range 3 2764 cu m hour Resolution 1x10E 4 cu m hour 0x0016 0x0017 0022 0023 Total Engine Hours Addr 0020 MSW Addr 0021 LSW Unsigned 32 bit integer Range 0 4 295x10E 9 seconds Resolution 1 second 0x0018 0024 Engine Coolant Pressure Unsigned 16 bit integer Range 0 6 553 200 Resolution 1 x 10E 2 Pa 0x0019 0025 Fuel Pressure Unsigned 16 bit integer Range 0 65 532 000 Pa Resolution 1x10E 3 Pa 0x001A 0026 Engine Status 1 16 bit Status bitfield XXXX XXXX XXXX 1 Check Engine XXXX XX1x Over Temperature XXXX XXXX XXXX X1xx Low Oil Pressure XXXX XXXX XXXX 1xxx Low Oil Level XXXX XXXX XXX1 xxxx Low Fuel Pressure XXXX XXXX Low System Voltage X1xx Low Coolant Level XXXX 1xxx xxxx Water Flow
4. Engine Shutting Down 1 Reserved XXXX 1 XXXX XXXX Reserved XXXX 1 XXXX XXXX Reserved 1 Reserved 1 XXXX Reserved 1 XXXX Reserved 1 XXXX Reserved 1 XXXX Reserved 0x002C 0045 Percent Engine Load 2x Unsigned 8 bit integers Percent Engine Range 124 Resolution 1 Torque MSB Load LSB Torque 0 002 0046 Engine Speed Unsigned 16 bit integer Range 0 16 383 RPM Resolution RPM 0x002F 0047 Engine Boost Unsigned 16 bit integer Pressure Range 0 6 553 200 Resolution 1 10 2 0 0030 0048 Engine Tilt Trim Signed 8 bit integer LSB Range 124 Resolution 196 0x0031 0049 Transmission Oil Unsigned 16 bit integer Pressure Range 0 6 553 200 Pa Resolution 1 10 2 0 0032 0050 Transmission Oil Unsigned 16 bit integer Temperature Range 0 6 553 2 deg Resolution 1x10E 1 deg K Page 18 of 55 Offs Ore 7 4 Fuel Tank Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x0033 0051 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0034 0052 Tank Capacity Unsigned 32 bit integer 0x0035 0053 0052 MSW Range 0 4 296x10E 5 cu m 0053 LSW Resolution 1x10E 4 cum 0x0036 0054 Fluid Level Signed 16 bit integer Range 131 07
5. XXXX SSxx Switch 27 bits XXXX XXSS Switch 28 bits Values as per bit value table above Page 50 of 55 Offs Ore 8 Maintenance e Clean the unit with a soft cloth e Do not use chemical cleaners as they may remove paint or markings or may corrode the enclosure or seals e Ensure that the unit is mounted securely and cannot be moved relative to the mounting surface If the unit is loose tighten the mounting screws Check the security of the cables connected to the NMEA 2000 connector and the 5485 connector and tighten if necessary 9 Technical Specification As Offshore Systems are constantly improving their products ass specifications are subject to change without notice Offshore System s products are designed to be accurate and reliable however they should only be used as aids to navigation and not as a replacement for traditional navigation aids and techniques Certifications Parameter Comment NMEA2000 Level B Maritime Nav and RadioComm Equipment IEC60945 CE and FCC Electromagnetic Compatibility Converted NMEA2000 Parameter Group Numbers PGNs Source Max PGN No PGN Name No Engines 3 127488 Engine Parameters Rapid Update 127489 Engine Parameters Dynamic Fuel Tanks 8 127505 Fluid Level Fresh Water Tanks 8 Grey Water Tanks 8 Black Water Tanks 8 Oil Tanks 8 Generators 3 127504 AC Output Status Sh
6. 1 B 27 Ox1B C 28 0 1 29 Ox1D E 30 Ox1E F 31 Ox1F Page 9 of 55 Offs Ore 3 3 Modbus Termination Resistor Please note that this unit does NOT include any Modbus network termination resistor as the master normally includes this If this is not the case then a RS485 termination resistor MUST be included in the Modbus Communication line 3 4 NMEA Device Instance NMEA2000 requires a unique Device Instance for each 3155 NMEA2000 to Modbus Gateway on a single network This is settable from device instance to Device Instance 15 using the lower small rotary switch on the front panel labeled Addr This can be set at any time regardless if power is on or off The switch counts from 0 9 then A F being equivalent to Device Instance 0 15 Please note that this switch also controls the Modbus Slave Address so a compromise address that suits both interfaces should be chosen 4 Front Panel Indicators and Switches The front panel has the following LEDs LED Name Description NMRx Receiving an NMEA2000 message NMTx Transmitting an NMEA2000 message MoRx Receiving a Modbus message MoTx Transmitting a Modbus message Invalid Modbus message Communications error PGN became Data Not Available DefCm Default Communications Protocol in use The rotary switch is used to set the communications protocol the Modbus Slave Device Address and the NMEA2000 Inst
7. xxxx Switch 19 bits XXXX XXSS xxxx xxxx Switch 20 bits XXXX XXXX SSxx xxxx Switch 21 bits XXXX XXXX XXSS xxxx Switch 22 bits XXXX XXXX XXXX SSxx Switch 23 bits XXXX XXXX XXXX XXSS Switch 24 bits Values as per bit value table above 0x0196 Hex Addr 0406 Dec Addr Switches 25 28 Data Field 16 bit field XXXX XXXX SSxx xxxx Switch 25 bits XXXX XXXX XXSS xxxx Switch 26 bits XXXX XXXX SSxx Switch 27 bits XXXX XXXX XXXX XXSS Switch 28 bits Values as per bit value table above Data Type Range and Resolution 0x0197 0407 Switches 1 8 16 bit field SSXX Switch 1 bits XXSS xxxx Switch 2 bits XXXX SSxx xxxx Switch 3 bits XXXX XXSS xxxx Switch 4 bits XXXX XXXX SSxx xxxx Switch 5 bits XXXX XXXX XXSS xxxx Switch 6 bits XXXX XXXX XXXX SSxx Switch 7 bits XXXX XXXX XXXX XXSS Switch 8 bits Values as per bit value table above 0x0198 0408 Switches 9 16 16 bit field SSXX XXXX Switch 9 bits XXSS xxxx Switch 10 bits XXXX SSxx xxxx Switch 11 bits XXXX XXSS xxxx Switch 12 bits XXXX XXXX SSxx xxxx Switch 13 bits XXXX XXXX XXSS xxxx Switch 14 bits XXXX XXXX SSxx Switch 15 bits XXXX XXXX XXXX XXSS Switch 16 bits Values as per bit value table above Page 45 of 55 Offs Ore 0
8. Overcharge XXXX xxxx 0100 Equalise XXXX xxxx 0101 Float XXXX xxxx 0110 No Float XXXX XXXX 0111 Constant VI XXXX xxxx 1000 Disabled XXXX 1001 Fault XXXX XXXX XXxx 1110 Error XXXX 1111 Data not available 0000 xxxx Standalone Mode xxxx 0001 xxxx Primary Mode xxxx 0010 xxxx Secondary Mode xxxx 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error XXXX xxxx 1111 xxxx Data not available XXXX xxxx xxxx Charger Off Disabled 01 xxxx xxxx Charger On Enabled XXXX XX10 xxxx xxxx Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled XXXx 01 xxxx xxxx Eq On Enabled 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0x0186 0390 Equalisation Time Unsigned 16 bit integer Page 39 of 55 Offs Ore remaining Range 0 65 532 Minutes Resolution 1 minute Third Connected Batt ery Data Registers 0x0187 0391 Operating State Charge Mode Charger Enab Dis Equalisation Pend 16 bit field XXXX 0000 Not Charging XXXX XXXX XXXX 0001 Bulk XXXX XXXX 0010 Absorption XXXX XXXX XXXX 0011 Overcharge XXXX XXXX XXXX 0100 Equalise XXXX XXXX XXXX 0101 Float XXXX XXXX XXXX 0110
9. Primary Mode XXXX 0010 Secondary Mode XXXX XXXX 0011 xxxx Echo Mode XXXX XXXX 1110 Error XXXX XXXX 1111 Data not available Page 42 of 55 hore XXXX XXOO Charger Off Disabled XX01 xxxx xxxx Charger On Enabled XXXX XX10 xxxx Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled XXXX 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0 018 0398 Equalisation Time Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute 7 20 Switch Bank Status and Control Registers The 3155 unit supports up to 8 banks each of 28 switches as grouped by the NMEA2000 standard Each switch is accessible as either 224 8 x 28 individual switches or grouped together in 8 Holding Registers designated as Instance O to Instance 7 Note that the NMEA2000 standard assigns 2 bits to each switch with the following values which vary whether the switch is being read or set 0x00 Turn OFF Off 0 01 0 10 Reserved No Action Error 0 11 Unavailable Unknown When controlling or reading the switches using the Holding Registers then these values MUST be used by the Modbus Master device Please note that these
10. Resolution 1 x 10E 2 Pa 0x002A 0042 Fuel Pressure Unsigned 16 bit integer Range 0 65 532 000 Resolution 1x10E 3 Pa 0x002B 0043 Engine Status 1 16 bit Status bitfield XXXX XXXX 1 Check Engine XXXX XXXX XXXX XX1x Over Temperature X1xx Low Oil Pressure XXXX XXXX XXXX 1 Low Oil Level 1 Low Fuel Pressure XXXX Low System Voltage XXXX XXXX 1 Low Coolant Level XXXX XXXX 1 Water Flow XXXX 1 xxxx xxxx Water in Fuel XXXX 1 XXXX XXXX Charge Indicator Page 17 of 55 Offs Ore XXXX 1 XXXX XXXX Preheat Indicator XXXX 1 High Boost Pressure 1 XXXX Rev Limit Exceeded XXXX EGR System 1 XXXX XXXX Throttle Position Sensor 1 Emergency Stop 0x002C 0044 Engine Status 2 16 bit Status bitfield 1 Warning Level 1 XXXX XXXX XXXX 1 Warning Level 2 XXXX XXXX XXXX 1 Power Reduction XXXX XXXX XXXX 1 Maintenance Needed 1 Engine Comm Error XXXX XXXX 1 Sub or Secondary Throttle XXXX XXXX 1 Neutral Start Protect XXXX XXXX 1
11. XXXX 1 xxxx xxxx Water in Fuel XXXX XX1x xxxx xxxx Charge Indicator XXXX Preheat Indicator XXXX 1xxx xxxx High Boost Pressure XXX1 XXXX Rev Limit Exceeded XXXX EGR System XXX Throttle Position Sensor 1 XXXX Emergency Stop 0 0018 0027 Engine Status 2 16 bit Status bitfield XXXX 1 Warning Level 1 Page 15 of 55 Offs Ore XXXX XXXX XXXX 1 Warning Level 2 XXXX XXXX XXXX 1 Power Reduction XXXX XXXX XXXX 1 Maintenance Needed 1 Engine Comm Error XXXX XXXX 1 Sub or Secondary Throttle XXXX XXXX 1 Neutral Start Protect XXXX XXXX 1 Engine Shutting Down 1 Reserved XXXX 1 XXXX XXXX Reserved Reserved 1 Reserved 1 XXXX Reserved Reserved 1 Reserved xxxx Reserved 0 001 0028 Percent Engine Load 2x Unsigned 8 bit integers Percent Engine Range 124 Resolution 196 Torque MSB Load LSB Torque 0x001D 0029 Engine Speed Unsigned 16 bit integer Range
12. Equalisation Pend XXXX xxxx 0010 Absorption XXXX 0011 Overcharge XXXX xxxx 0100 Equalise XXXX xxxx 0101 Float XXXX xxxx 0110 No Float XXXX XXXX 0111 Constant VI XXXX 1000 Disabled XXXX 1001 Fault XXXX XXXX 1110 Error XXXX 1111 Data not available 0000 xxxx Standalone Mode Xxxx xxxx 0001 xxxx Primary Mode xxxx 0010 xxxx Secondary Mode Page 38 of 55 ore xxxx 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error XXxx xxxx 1111 xxxx Data not available XXXX xxxx xxxx Charger Off Disabled XXXX XX01 xxxx xxxx Charger On Enabled XXXX XX10 Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0x0184 0388 Equalisation Time remaining Unsigned 16 bit integer Range 0 65 532 Minutes Resolution 1 minute Second Connected Battery Data Registers 0x0185 0389 Operating State Charge Mode Charger Enab Dis Equalisation Pend 16 bit field XXXX xxxx 0000 Not Charging XXXX xxxx 0001 Bulk XXXX xxxx 0010 Absorption XXXX 0011
13. No Float XXXX XXXX 0111 Constant VI XXXX XXXX 1000 Disabled XXXX XXXX XXXX 1001 Fault XXXX XXXX 1110 Error XXXX XXXX 1111 Data not available 0000 xxxx Standalone Mode 0001 xxxx Primary Mode 0010 xxxx Secondary Mode 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error XXXX XXXX 1111 xxxx Data not available Charger Off Disabled XXXX XX01 xxxx xxxx Charger On Enabled XXXX XX10 Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled XXXX 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0x0188 0392 Equalisation Time remaining Unsigned 16 bit integer Range 0 65 532 Minutes Resolution 1 minute Page 40 of 55 Chr 7 19 Battery Charger Instance 3 Registers First Connected Battery Data Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x0189 0393 Operating State 16 bit field Charge Mode XXXX XXXX 0000 Not Charging Charger Enab Dis XXXX XXXX XXXX 0001 Bulk Equalisation Pend XXXX XXXX XXXX 0010 Absorption XXXX XXXX 0011 Overcharge XXXX XXXX XXXX 0100 Equalise XXXX XXXX 0101 Float XXX
14. Overcharge XXXX xxxx 0100 Equalise XXXX xxxx 0101 Float XXXX xxxx 0110 No Float XXXX XXXX 0111 Constant VI Page 37 of 55 Offs Ore XXXX XXXX 1000 Disabled XXXX XXXX 1001 Fault XXXX XXXX 1110 Error XXXX XXXX 1111 Data not available 0000 Standalone Mode XXXX XXXX 0001 xxxx Primary Mode 0010 xxxx Secondary Mode 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error XXXX XXXX 1111 xxxx Data not available Charger Off Disabled XX01 Charger On Enabled XXXX XX10 Error XXXX 11 Unknown Unavailable 00 Eq Pend Off Disabled 01 Eq Pend On Enabled 10 Eq Pend Error 11 Unknown Unavailable 0x0182 0386 Equalisation Time Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute 7 18 Battery Charger Instance 2 Registers First Connected Battery Data Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0 0183 0387 Operating State 16 bit field Charge Mode XXXX xxxx 0000 Not Charging Charger Enab Dis XXXX xxxx 0001 Bulk
15. or storage or to other than normal use or service THE FOREGOING WARRANTIES ARE EXPRESSLY IN LIEU OF AND EXCLUDES ALL OTHER EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE Statements made by any person including representatives of Offshore Systems which are inconsistent or in conflict with the terms of this Limited Warranty shall not be binding upon Offshore Systems unless reduced to writing and approved by an officer of Offshore Systems IN NO CASE WILL OFFSHORE SYSTEMS BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES DAMAGES FOR LOSS OF USE LOSS OF ANTICIPATED PROFITS OR SAVINGS OR ANY OTHER LOSS INCURRED BECAUSE OF INTERRUPTION OF SERVICE IN NO EVENT SHALL OFFSHORE SYSTEMS AGGREGATE LIABILITY EXCEED THE PURCHASE PRICE OF THE PRODUCT S INVOLVED OFFSHORE SYSTEMS SHALL NOT BE SUBJECT TO ANY OTHER OBLIGATIONS OR LIABILITIES WHETHER ARISING OUT OF BREACH OF CONTRACT OR WARRANTY TORT INCLUDING NEGLIGENCE OR OTHER THEORIES OF LAW WITH RESPECT TO PRODUCTS SOLD OR SERVICES RENDERED BY OFFSHORE SYSTEMS OR ANY UNDERTAKINGS ACTS OR OMISSIONS RELATING THERETO Offshore Systems does not warrant that the functions contained in any software programs or products will meet purchaser s requirements or that the operation of the software programs or products will be uninterrupted or error free Purchaser assumes responsibility for the selection of the s
16. 32 bit integer 0x0098 0152 0151 MSW Range 0 4 296x10E 5 cu m 0152 LSW Resolution 1x10E 4 cu m 0x0099 0153 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x009A 0154 Tank Capacity Unsigned 32 bit integer 0 0098 0155 0154 MSW Range 0 4 296x10E 5 cu m 0155 LSW Resolution 1x10E 4 cu m 0x009C 0156 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x009D 0157 Tank Capacity Unsigned 32 bit integer 0 009 0158 0157 MSW Range 0 4 296x10E 5 cu m 0158 LSW Resolution 1x10E 4 cu m 0x009F 0159 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x00A0 0160 Tank Capacity Unsigned 32 bit integer 0 00 1 0161 0160 MSW Range 0 4 296x10E 5 cu m 0161 LSW Resolution 1x10E 4 cu m 0x00A2 0162 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x00A3 0163 Tank Capacity Unsigned 32 bit integer 0 00 4 0164 0163 MSW Range 0 4 296x10E 5 cu m 0164 15 Resolution 1 10 4 m Page 27 of 55 Offs Ore Hex Dec Data Field Data Type Range and Resolution Addr Addr 0 00 5 0165 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 Ox00A6 0166 Tank Capacity Unsigned 32 bit integer 0 00 7 0167 0166 MSW Range 0 4 296x10E 5 cu m 0167 LSW Resolution 1x10E 4 cu m 0 00 8 0168 Fluid Level Signed 16 b
17. 6 Data Naming Convention 11 7 Modbus Data Registers repetitae 11 Page 3 of 55 Offs Ore 7 1 Engine Instance 0 Registers 13 7 2 Engine Instance 1 Registers 15 7 3 Engine Instance 2 Registers 17 7 4 Fuel Tank Registers essen enne ener nnn 19 7 5 Fresh Water Tank Registers eese nnns 21 7 6 Grey Waste Water Tank Registers esee 23 7 7 Oil Tank 25 7 8 Black Water Tank Registers 27 7 9 AC Instance 0 5 ccce nente coit rr sace eee esau 29 7 10 AC Instance 1 29 7 11 AC Instance 2 30 7 12 AC Instance 3 30 7 13 AC Instance 4 31 7 14 AC Instance 5 rasie 31 7 15 32 7 16 Battery Charger Instance 0
18. Data Registers The unit can receive NMEA2000 information from e 3 Engines lt lt 8 Fuel Tanks e Fresh Water Tanks e Grey Water Tanks e Black Water Tanks e 80ilTanks e Generators e Sources e Battery Banks e 4 Battery Chargers e Banks each of up to 28 switches 224 switches The unit can also control the 8 banks of 28 switches individually or collectively Page 11 of 55 hore Read access to all registers can only be made using the Modbus Function Code 04 Read Input Register command There is NO write access to any input registers except the Switch Bank Registers Note that if a NMEA2000 PGN is not available then the data fields will always read OxFF which is the standard NMEA2000 value for Data Not Available The information from the NMEA2000 connected devices is stored in 16 bit Input Registers that can be accessed from the Modbus Interface according to the following tables Page 12 of 55 7 1 Engine Instance 0 Registers Dec Data Field Addr Hex Addr Data Type Range and Resolution 0x0000 0000 Engine Oil Pressure Unsigned 16 bit integer Range 0 6 553 200 Pa Resolution 1 10 2 0 0001 0001 Engine Oil Temp Unsigned 16 bit integer Range 0 6 553 2 deg Resolution 1x10E 1 deg K 0x0002 0002 Engine Temp Unsigned 16 bit integer Range 0 655 32 deg Resolution 1x10E 2 deg K 0x0003 0003 Alternator Voltage
19. Resolution 1x10E 4 cum 0x0048 0072 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0049 0073 Tank Capacity Unsigned 32 bit integer 0x004A 0074 0073 MSW Range 0 4 296x10E 5 cu m 0074 LSW Resolution 1x10E 4 cu m Page 20 of 55 Offs Ore 7 5 Fresh Water Tank Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x004B 0075 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolu tion 0 004 0x004C 0076 Tank Capacity Unsigned 32 bit integer 0x004D 0077 0076 MSW Range 0 4 296x10E 5 cu m 0077 LSW Resolution 1x10E 4 cum 0 004 0078 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0 004 0079 Tank Capacity Unsigned 32 bit integer 0x0050 0080 0079 MSW Range 0 4 296x10E 5 cu m 0080 LSW Resolution 1x10E 4 cu m 0x0051 0081 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0052 0082 Tank Capacity Unsigned 32 bit integer 0x0053 0083 0082 MSW Range 0 4 296x10E 5 cu m 0083 LSW Resolution 1x10E 4 cu m 0x0054 0084 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0055 0085 Tank Capacity Unsigned 32 bit integer 0x0056 0086 0085 MSW Range 0 4 296x10E 5 cu m 0086 LSW Resolution 1x10E 4 cu m 0x0057 0087 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0
20. cum 0x0078 0120 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0079 0121 Tank Capacity Unsigned 32 bit integer 0 007 0122 0121 MSW Range 0 4 296x10E 5 cu m 0122 LSW Resolution 1x10E 4 cu m Page 24 of 55 Offs Ore 7 7 Oil Tank Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x007B 0119 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x007C 0120 Tank Capacity Unsigned 32 bit integer 0x007D 0121 0120 MSW Range 0 4 296x10E 5 cu m 0121 LSW Resolution 1x10E 4 cu m 0 007 0122 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x007F 0123 Tank Capacity Unsigned 32 bit integer 0x0080 0124 0123 MSW Range 0 4 296x10E 5 cu m 0124 LSW Resolution 1x10E 4 cu m 0x0081 0125 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0082 0126 Tank Capacity Unsigned 32 bit integer 0x0083 0127 0126 MSW Range 0 4 296x10E 5 cu m 0127 LSW Resolution 1x10E 4 cu m 0x0084 0128 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0085 0129 Tank Capacity Unsigned 32 bit integer 0x0086 0130 0129 MSW Range 0 4 296x10E 5 cu m 0130 LSW Resolution 1x10E 4 cu m 0x0087 0131 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0088 0132 Tank Capacity Unsig
21. xxxx Switch 4 bits Page 48 of 55 XXXX SSxx xxxx Switch 5 bits XXXX XXXX XXSS xxxx Switch 6 bits XXXX XXXX SSxx Switch 7 bits XXXX XXXX XXXX 55 Switch 8 bits Values as per bit value table above 0x01A8 0424 Switches 9 16 16 bit field SSXX XXXX XXXX Switch 9 bits XXSS xxxx Switch 10 bits SSxx xxxx Switch 11 bits XXXX XXSS xxxx xxxx Switch 12 bits XXXX XXXX SSxx xxxx Switch 13 bits XXXX XXXX XXSS xxxx Switch 14 bits XXXX XXXX SSxx Switch 15 bits XXXX XXXX XXSS Switch 16 bits Values as per bit value table above 0x01A9 0425 Switches 17 24 16 bit field SSXX Switch 17 bits XXSS xxxx Switch 18 bits XXXX SSxx xxxx xxxx Switch 19 bits XXXX XXSS xxxx Switch 20 bits XXXX XXXX SSxx xxxx Switch 21 bits XXXX XXXX XXSS xxxx Switch 22 bits XXXX XXXX XXXX SSxx Switch 23 bits XXXX XXXX XXXX XXSS Switch 24 bits Values as per bit value table above 0x01AA Hex Addr 0426 Dec Addr Switches 25 28 Data Field 16 bit field XXXX XXXX SSxx xxxx Switch 25 bits XXXX XXXX XXSS xxxx Switch 26 bits XXXX XXXX XXXX SSxx Switch 27 bits XXXX XXXX XXXX XXSS Switch 28 bits Values as per bit value table above Data Type Range and Resolution 0 01 0427 Switches 1 8 16 bit fiel
22. 0 16 383 RPM Resolution 4 RPM 0 001 0030 Engine Boost Unsigned 16 bit integer Pressure Range 0 6 553 200 Resolution 1 10 2 Pa 0 001 0031 Engine Tilt Trim Signed 8 bit integer LSB Range 124 Resolution 196 0x0020 0032 Transmission Oil Unsigned 16 bit integer Pressure Range 0 6 553 200 Pa Resolution 1 10 2 Pa 0x0021 0033 Transmission Oil Unsigned 16 bit integer Temperature Range 0 6 553 2 deg Resolution 1x10E 1 deg K Page 16 of 55 hore 7 3 Engine Instance 2 Registers Hex Addr Dec Addr Data Field Data Type Range and Resolution 0x0022 0034 Engine Oil Pressure Unsigned 16 bit integer Range 0 6 553 200 Resolution 1 10 2 Pa 0x0023 0035 Engine Oil Temp Unsigned 16 bit integer Range 0 6 553 2 deg Resolution 1x10E 1 deg K 0x0024 0036 Engine Temp Unsigned 16 bit integer Range 0 655 32 deg Resolution 1x10E 2 deg K 0x0025 0037 Alternator Voltage Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0026 0038 Fuel Rate Signed 16 bit integer Range 3 2764 cu m hour Resolution 1x10E 4 cu m hour 0x0027 0x0028 0039 0040 Total Engine Hours Addr 0035 MSW Addr 0036 LSW Unsigned 32 bit integer Range 0 4 295x10E 9 seconds Resolution 1 second 0x0029 0041 Engine Coolant Pressure Unsigned 16 bit integer Range 0 6 553 200
23. 058 0088 Tank Capacity Unsigned 32 bit integer 0 0059 0089 0088 MSW Range 0 4 296x10E 5 cu m 0089 LSW Resolution 1x10E 4 cu m 0 005 0090 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x005B 0091 Tank Capacity Unsigned 32 bit integer 0 005 0092 0091 MSW Range 0 4 296x10E 5 m 0092 LSW Resolution 1 10 4 cu m Page 21 of 55 Offs Ore Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x005D 0093 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0 005 0094 Tank Capacity Unsigned 32 bit integer 0 005 0095 0094 MSW 0 4 296 10 5 0095 LSW Resolution 1 10 4 m 0 0060 0096 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0061 0097 Tank Capacity Unsigned 32 bit integer 0x0062 0098 0097 MSW Range 0 4 296x10E 5 cu m 0098 LSW Resolution 1x10E 4 cu m Page 22 of 55 Offs Ore 7 6 Grey Waste Water Tank Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x0063 0099 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0064 0100 Tank Capacity Unsigned 32 bit integer 0 0065 0101 0100 MSW Range 0 4 296x10E 5 cu m 0101 LSW Resolution 1x10E 4 cum 0x0066 0102 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Res
24. 2 to 131 056 Resolution 0 004 0x0037 0055 Tank Capacity Unsigned 32 bit integer 0x0038 0056 0055 MSW Range 0 4 296x10E 5 cu m 0056 LSW Resolution 1x10E 4 cum 0x0039 0057 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x003A 0058 Tank Capacity Unsigned 32 bit integer 0x003B 0059 0058 MSW Range 0 4 296x10E 5 cu m 0059 LSW Resolution 1x10E 4 cum 0x003C 0060 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x003D 0061 Tank Capacity Unsigned 32 bit integer 0x003E 0062 0061 MSW Range 0 4 296x10E 5 cu m 0062 LSW Resolution 1x10E 4 cu m 0x003F 0063 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0040 0064 Tank Capacity Unsigned 32 bit integer 0x0041 0065 0064 MSW Range 0 4 296x10E 5 cu m 0065 LSW Resolution 1x10E 4 cu m 0x0042 0066 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0043 0067 Tank Capacity Unsigned 32 bit integer 0x0044 0068 0067 MSW Range 0 4 296x10E 5 cu m 0068 LSW Resolution 1x10E 4 cu m Page 19 of 55 Offs Ore Hex Dec Data Field Data Type Range and Resolution Addr Addr 0 0045 0069 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0 0046 0070 Tank Capacity Unsigned 32 bit integer 0x0047 0071 0070 MSW Range 0 4 296x10E 5 cu m 0071 LSW
25. Any number of displays can be installed on a single network 3350 FTC 3350 W 3350 F Plotter such as Fuel Transfer Fresh Water Fuel Level Raymarine Garmin 3210 Deck Filler Gauges Controller Level Gauge 3330 MultiTank Display Gauge Simrad Etc Hh 3212 Handle 3211 Optional ock 3803 Female Terminator 3810 3819 Micro cordsets 0 5 1 2 5 amp 10 Or 3820 Bulk Cable p metre amp 3805 Female 3806 Male Field Installable Connectors 1 REI 58 33 2 H 81 BE g3 23 5 EFI 3 3 5 lt 3 i 23 3281 F 1 3281 6 3281 8 Engine Management Information 3271 Fuel Fresh Water Grey Water Black Water Sender 250 Sender 250 Sender 250 2000mm 2000mm 2000mm i Up to 16 of each type of Sender be installed on a single network Offshore Systems UK Ltd T 44 0 1425 610022 44 0 1425 614794 E sales osukl com W www osukl com DRAWING NOT TO SCALE Copyright 20080 Offshore Systems UK Lid Page 55 of 55
26. Bus Range 0 64255 Amps type Resolution 1 Amp Page 30 of 55 Offs Ore 7 13 AC Instance 4 Registers AC Instance 4 Fifth AC Instance O O Hex Dec Data Field Data Type Range and Resolution Addr Addr 0191 Unsigned 16 bit integer Range 0 2 0 Bus 1 Utility 2 Generator Resolution 1 0 00 0 0192 Average Line to Line Unsigned 16 bit integer Voltage AC RMS Range 0 64255 Volts Resolution 1 Volt 0x00C1 0193 Average Line to Unsigned 16 bit Integer Neutral Voltage Range 0 64255 Volts Resolution 1 Volt 0 00 2 0194 Unsigned 16 bit integer Range 0 501 99 Hertz Resolution 1 128 Hertz 0x00C3 0195 Current Unsigned 16 bit integer Not available in Bus Range 0 64255 Amps Type Resolution 1 Amp 7 14 AC Instance 5 Registers AClnstance5 SixthAClnstane O o O Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x00C4 0196 AC Type Unsigned 16 bit integer Range 0 2 0 Bus 1 Utility 2 Generator Resolution 1 0 00 5 0197 Average Line to Line Unsigned 16 bit integer Voltage AC RMS Range 0 64255 Volts Resolution 1 Volt 0 00 6 0198 Average Line to Unsigned 16 bit Integer Neutral Voltage Range 0 64255 Volts Resolution 1 Volt 0 00 7 0199 Unsigned 16 bit integer Range 0 501 99 Hertz Resolution 1 128 Hertz 0 00 8 0200 Current Unsigned 16 bit integer Not available
27. NMEA2000 to Modbus Gateway Part No 3155 User Manual Revision 1 21 Offshore Systems UK Ltd Unit 11 Milton Business Centre Wick Drive New Milton BH25 6RH UK www osukl com Page 2 of 55 Chr Contents MEM 6 1 1 Firmware REVISION si ioo rro 6 1 2 Product Feature S 6 2 6 2 1 Unpacking the 6 2 2 Choosing the mounting location esses 6 2 3 Mounting the Ult tir EE ee ee terreni uer 7 2 4 Connecting the RS485 Modbus Interface 7 2 5 Connecting the NMEA2000 Interface 8 3 iiec eter 8 3 1 Modbus Communication Parameters 8 3 2 Modbus Slave Address essen 9 3 3 Modbus Termination Resistor eene 10 3 4 NMEA Device Instance srennrsnnvnnnrrnnvrnnvennvrnnsrnnrvnnsensvrnnsersrennsersrnnneenn 10 4 Front Panel Indicators and Switches 10 5 Fault Finding Troubleshooting essen 10 5 1 Communications error Led 11 5 2 Invalid Modbus Message Error 11 5 3 Unmarked LED became Data Not Available 11
28. Resolution 1 128 Hertz 0x00B4 0180 Current Unsigned 16 bit integer Not available in Bus Range 0 64255 Amps type Resolution 1 Amp Page 29 of 55 Offshore 7 11 AC Instance 2 Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x00B5 0181 AC Type Unsigned 16 bit integer Range 0 2 0 Bus 1 Utility 2 Generator Resolution 1 0x00B6 0182 Average Line to Line Unsigned 16 bit integer Voltage AC RMS Range 0 64255 Volts Resolution 1 Volt 0x00B7 0183 Average Line to Unsigned 16 bit Integer Neutral Voltage Range 0 64255 Volts Resolution 1 Volt 0x00B8 0184 Frequency Unsigned 16 bit integer Range 0 501 99 Hertz Resolution 1 128 Hertz 0x00B9 0185 Current Unsigned 16 bit integer Not available in Bus Range 64255 Amps type Resolution 1 Amp 7 12 AC Instance 3 Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr Ox00BA 0186 AC Type Unsigned 16 bit integer Range 0 2 0 Bus 1 Utility 2 Generator Resolution 1 0x00BB 0187 Average Line to Line Unsigned 16 bit integer Voltage AC RMS Range 0 64255 Volts Resolution 1 Volt OxOOBC 0188 Average Line to Unsigned 16 bit Integer Neutral Voltage Range 0 64255 Volts Resolution 1 Volt 0x00BD 0189 Frequency Unsigned 16 bit integer Range 0 501 99 Hertz Resolution 1 128 Hertz OxOOBE 0190 Current Unsigned 16 bit integer Not available in
29. SSXX XXXX XXXX Switch 9 bits 55 xxxx Switch 10 bits XXXX SSxx XXXX xxxx Switch 11 bits XXXX XXSS xxxx Switch 12 bits XXXX XXXX SSxx xxxx Switch 13 bits XXXX XXXX XXSS xxxx Switch 14 bits XXXX XXXX SSxx Switch 15 bits XXXX XXXX XXXX XXSS Switch 16 bits Values as per bit value table above 0 01 1 0417 Switches 17 24 16 bit field SSXX XXXX Switch 17 bits XXSS xxxx Switch 18 bits SSxx xxxx Switch 19 bits XXXX XXSS xxxx Switch 20 bits XXXX XXXX SSxx xxxx Switch 21 bits XXXX XXXX XXSS xxxx Switch 22 bits XXXX XXXX XXXX SSxx Switch 23 bits XXXX XXXX XXXX XXSS Switch 24 bits Values as per bit value table above 0x01A2 0418 Switches 25 28 16 bit field XXXX XXXX SSxx xxxx Switch 25 bits XXXX XXXX XXSS xxxx Switch 26 bits XXXX XXXX SSxx Switch 27 bits XXXX XXSS Switch 28 bits Values as per bit value table above Page 47 of 55 Offshore Hex Addr Dec Addr Data Field Data Type Range and Resolution 0x01A3 0419 Switches 1 8 16 bit field SSXX Switch 1 bits 55 XXXX Switch 2 bits SSxx xxxx Switch 3 bits XXXX XXSS xxxx Switch 4 bits XXXX XXXX SSxx xxxx Switch 5 bits XXXX XXXX XXSS x
30. Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0004 0004 Fuel Rate Signed 16 bit integer Range 3 2764 cu m hour Resolution 1x10E 4 cu m hour 0x0005 0x0006 0005 0006 Total Engine Hours Addr 0005 MSW Addr 0006 LSW Unsigned 32 bit integer Range 0 4 295x10E 9 seconds Resolution 1 second 0x0007 0007 Engine Coolant Pressure Unsigned 16 bit integer Range 0 6 553 200 Resolution 1 x 10E 2 Pa 0x0008 0008 Fuel Pressure Unsigned 16 bit integer Range 0 65 532 000 Resolution 1x10E 3 Pa 0x0009 0009 Engine Status 1 16 bit Status bitfield XXXX XXXX XXXX 1 Check Engine XXXX XXXX 1 Over Temperature XXXX XXXX XXXX X1xx Low Oil Pressure XXXX XXXX XXXX 1xxx Low Oil Level XXXX XXXX XXX1 xxxx Low Fuel Pressure XXXX XXXX Low System Voltage XXXX XXXX X1xx xxxx Low Coolant Level XXXX XXXx 1xxx xxxx Water Flow XXXX 1 xxxx xxxx Water in Fuel XXXX XX1x xxxx Charge Indicator XXXX Preheat Indicator XXXX 1xxx XXXX xxxx High Boost Pressure 1 XXXX Rev Limit Exceeded XX1x EGR System XXX XXXX Throttle Position Sensor 1 xxxx Emergency Stop 0x000A 0010 Engine Status 2 16 bit Status bitfield XXXX 1 Warning Level 1 Pa
31. Unsigned 16 bit integer Range 0 655 32 9K Resolution 1x10E 2 Page 32 of 55 Offs Ore Hex Addr Dec Addr Data Field Data Type Range and Resolution 0x16B 0363 Battery Voltage Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x016C 0364 Battery Current Signed 16 bit integer Range 3 276 4 Amps Resolution 1x10E 1 Amps 0x016D 0365 Battery Case Temp Unsigned 16 bit integer Range 0 655 32 K Resolution 1x10E 2 K 0 016 0366 Battery Voltage Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0 016 0367 Signed 16 bit integer Range 3 276 4 Amps Resolution 1 10 1 Amps 0x0170 0x0171 0368 0369 Battery Case Temp Battery Voltage Unsigned 16 bit integer Range 0 655 32 9K Resolution 1x10E 2 Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0172 0370 Battery Current Signed 16 bit integer Range 3 276 4 Amps Resolution 1 10 1 Amps 0x0173 0x0174 0371 0372 Battery Case Temp Battery Voltage Unsigned 16 bit integer Range 0 655 32 9K Resolution 1x10E 2 Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0175 0373 Battery Current Signed 16 bit integer Range 3 276 4 Amps Resolution 1 10 1 Amps 0x0176 0374 Battery Cas
32. X XXXX 0110 No Float XXXX XXXX XXXX 0111 Constant VI XXXX XXXX 1000 Disabled XXXX XXXX 1001 Fault XXXX 1110 Error XXXX XXXX 1111 Data not available XXXX XXXX 0000 xxxx Standalone Mode XXXX XXXX 0001 xxxx Primary Mode 0010 Secondary Mode 0011 1110 XXXX xxxx 1111 xxxx Data not available XXXX xxxx xxxx Charger Off Disabled XX01 xxxx xxxx Charger On Enabled XXXX XX10 Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0 018 0394 Equalisation Time Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute Second Connected Battery Data Registers 0 0188 0395 Operating State 16 bit field Charge Mode XXXX xxxx 0000 Not Charging Charger Enab Dis XXXX 0001 Bulk Equalisation Pend XXXX 0010 Absorption XXXX 0011 Overcharge XXXX xxxx 0100 Equalise XXXX xxxx 0101 Float Page 41 of 55 Offs Ore XXXX XXXX XXXX 0110 No Float XXXX XXXX 0111 Constant VI XXXX XXXX XXXX 1000 Disabled
33. X XXXX XXXX XXSS Switch 24 bits Values as per bit value table above 0x0192 Hex Addr 0402 Dec Addr Switches 25 28 Data Field 16 bit field XXXX XXXX SSxx xxxx Switch 25 bits XXXX XXXX XXSS Switch 26 bits XXXX XXXX SSxx Switch 27 bits XXXX XXXX XXXX XXSS Switch 28 bits Values as per bit value table above Data Type Range and Resolution 0x0193 0403 Switches 1 8 16 bit field SSXX XXXX Switch 1 bits XXSS Switch 2 bits XXXX SSxx xxxx Switch 3 bits XXXX XXSS xxxx Switch 4 bits XXXX XXXX SSxx xxxx Switch 5 bits XXXX XXXX XXSS xxxx Switch 6 bits XXXX XXXX XXXX SSxx Switch 7 bits XXXX XXXX XXXX XXSS Switch 8 bits Values as per bit value table above 0x0194 0404 Switches 9 16 16 bit field SSXX XXXX XXXX Switch 9 bits Page 44 of 55 55 xxxx Switch 10 bits SSxx xxxx Switch 11 bits XXXX XXSS xxxx Switch 12 bits XXXX XXXX SSxx xxxx Switch 13 bits XXXX XXXX XXSS xxxx Switch 14 bits XXXX XXXX XXXX SSxx Switch 15 bits XXXX XXXX XXXX 55 Switch 16 bits Values as per bit value table above 0x0195 0405 Switches 17 24 16 bit field SSXX Switch 17 bits XXSS xxxx Switch 18 bits SSxx
34. XXXX XXXX 1001 Fault XXXX XXXX XXXX 1110 Error XXXX XXXX XXXX 1111 Data not available 0000 Standalone Mode xxxx 0001 xxxx Primary Mode 0010 xxxx Secondary Mode 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error xxxx 1111 xxxx Data not available XXXX xxxx xxxx Charger Off Disabled XXXX XX01 xxxx xxxx Charger On Enabled XXXX XX10 xxxx Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled XXXX 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0x018C 0396 Equalisation Time remaining Unsigned 16 bit integer Range 0 65 532 Minutes Resolution 1 minute Third Connected Battery Data Registers 0x018D 0397 Operating State Charge Mode Charger Enab Dis Equalisation Pend 16 bit field XXXX XXXX XXXX 0000 Not Charging XXXX XXXX XXXX 0001 Bulk XXXX XXXX XXXX 0010 Absorption XXXX XXXX XXXX 0011 Overcharge XXXX XXXX XXXX 0100 Equalise XXXX XXXX 0101 Float XXXX XXXX 0110 No Float XXXX XXXX 0111 Constant VI XXXX XXXX XXXX 1000 Disabled XXXX XXXX 1001 Fault XXXX XXXX XXxx 1110 Error XXXX XXXX 1111 Data not available XXXX XXXX 0000 xxxx Standalone Mode XXXX XXXX 0001 xxxx
35. ance See 3 1 To 3 3 above The pushbutton is used to capture the default communications protocol from the rotary switch 5 Fault Finding Troubleshooting The front panel indicators should be used to assist in fault finding as follows Page 10 of 55 Chr 5 1 Communications error Led If the CmFilt led is lit this means that the unit detected an error in the communications parameters being used on the Modbus interface Please check that the transmission protocol EXACTLY matches the Modbus Communications Parameters in section 3 1 above 5 2 Invalid Modbus Message Error Led If the MoFIt led is lit this means that the unit received a Modbus message that it could not carry out This indicates that the communications protocol is probably correct but that the message content was invalid This could be either the wrong Modbus command or wrong data length request 5 3 Unmarked LED PGN became Data Not Available This green led comes on if any PGN that has been received is not received for a period of greater than 10 seconds This led will stay illuminated until the next power ff poer on cycle occurs This can indicate a failing or removed NMEA2000 device on the bus 6 Data Naming Convention Because it is easy to misunderstand base numbering system is being shown In this document decimal base 10 values are shown thus 10 decimal value of ten Hexadecimal base 16 values are shown thus 0x10 decimal value of sixteen 7 Modbus
36. d SSXX XXXX Switch 1 bits XXSS xxxx Switch 2 bits XXXX SSxx xxxx Switch 3 bits XXXX XXSS xxxx Switch 4 bits XXXX XXXX SSxx xxxx Switch 5 bits XXXX XXXX XXSS xxxx Switch 6 bits XXXX XXXX XXXX SSxx Switch 7 bits XXXX XXXX XXXX 55 Switch 8 bits Values as per bit value table above 0 01 0428 Switches 9 16 16 bit field SSXX XXXX Switch 9 bits XXSS xxxx Switch 10 bits Page 49 of 55 SSxx xxxx Switch 11 bits XXSS Switch 12 bits XXXX SSxx xxxx Switch 13 bits XXXX XXXX XXSS xxxx Switch 14 bits XXXX SSxx Switch 15 bits XXXX XXXX XXXX XXSS Switch 16 bits Values as per bit value table above 0x01AD 0429 Switches 17 24 16 bit field SSXX Switch 17 bits 55 Switch 18 bits SSxx xxxx Switch 19 bits 55 Switch 20 bits XXXX XXXX SSXX Switch 21 bits 55 Switch 22 bits XXXX XXXX XXXX SSxx Switch 23 bits XXXX XXXX XXXX XXSS Switch 24 bits Values as per bit value table above Ox01AE 0430 Switches 25 28 16 bit field XXXX SSxx xxxx Switch 25 bits XXXX 55 Switch 26 bits
37. e Temp Unsigned 16 bit integer Range 0 655 32 9K Resolution 1x10E 2 Page 33 of 55 Offshore 7 16 Battery Charger Instance 0 Registers First Connected Battery Data Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x0177 0375 Operating State 16 bit field Charge Mode XXXX 0000 Not Charging Charger Enab Dis XXXX XXXX XXXX 0001 Bulk Equalisation Pend XXXX XXXX 0010 Absorption XXXX XXXX XXXX 0011 Overcharge XXXX XXXX XXXX 0100 Equalise XXXX XXXX 0101 Float XXXX XXXX XXXX 0110 No Float XXXX XXXX 0111 Constant VI XXXX XXXX 1000 Disabled XXXX XXXX XXXX 1001 Fault XXXX XXXX XXXX 1110 Error XXXX XXXX 1111 Data not available 0000 xxxx Standalone Mode 0001 xxxx Primary Mode 0010 xxxx Secondary Mode 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error XXXX XXXX 1111 xxxx Data not available Charger Off Disabled XXXX 01 xxxx xxxx Charger On Enabled XXXX XX10 Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled XXXX 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0x0178 0376 Equalisation Ti
38. ge 13 of 55 Offs Ore XXXX XXXX XXXX 1 Warning Level 2 XXXX XXXX XXXX 1 Power Reduction XXXX XXXX XXXX 1 Maintenance Needed 1 Engine Comm Error XXXX XXXX 1 Sub or Secondary Throttle XXXX XXXX 1 Neutral Start Protect XXXX XXXX 1 Engine Shutting Down 1 Reserved XXXX 1 XXXX XXXX Reserved Reserved 1 Reserved 1 Reserved Reserved XXX XXXX Reserved xxxx Reserved 0x000B 0011 Percent Engine Load 2x Unsigned 8 bit integers Percent Engine Range 124 Resolution 1 Torque MSB Load 158 Torque Ox000C 0012 Engine Speed Unsigned 16 bit integer Range 0 16 383 RPM Resolution 4 RPM 0x000D 0013 Engine Boost Unsigned 16 bit integer Pressure Range 0 6 553 200 Resolution 1x10E 2 Pa 0014 Engine Tilt Trim Signed 8 bit integer LSB Range 124 Resolution 196 Ox000F 0015 Transmission Oil Unsigned 16 bit integer Pressure Range 0 6 553 200 Pa Resolution 1 10 2 Pa 0x0010 0016 Transmission Oil Unsigned 16 bit integer Temperature Range 0 6 553 2 deg Resolution 1x10E 1 deg K Page 14 of 55 Chora
39. in Bus Range 0 64255 Amps Type Resolution 1 Amp Memory addresses from 0 00 9 0201 to 0 015 350 reserved Page 31 of 55 Offshore 7 15 Battery Bank Registers 0x0162 0354 Battery Voltage Hex Dec Data Field Data Type Range and Resolution Addr Addr 0 015 0351 Battery Voltage Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0160 0352 Battery Current Signed 16 bit integer Range 3 276 4 Amps Resolution 1x10E 1 Amps 0x0161 0353 Battery Case Temp Unsigned 16 bit integer Range 0 655 32 K Resolution 1x10E 2 9K Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0163 0355 Battery Current Signed 16 bit integer Range 3 276 4 Amps Resolution 1 10 1 Amps 0x0164 0356 Battery Case Temp 0x0165 0357 Battery Voltage Unsigned 16 bit integer Range 0 655 32 9K Resolution 1x10E 2 Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0166 0358 Battery Current Signed 16 bit integer Range 3 276 4 Amps Resolution 1x10E 1 Amps 0x0167 0359 Battery Case Temp 0x0168 0360 Battery Voltage Unsigned 16 bit integer Range 0 655 32 K Resolution 1x10E 2 Signed 16 bit integer Range 327 64 Volts Resolution 1x10E 2 Volts 0x0169 0361 Battery Current Signed 16 bit integer Range 3 276 4 Amps Resolution 1 10 1 Amps 0x016A 0362 Battery Case Temp
40. iness Centre Wick Drive New Milton BH25 6RH United Kingdom Page 52 of 55 Chr 11 Warranty Offshore Systems warrants this product to be free from defects in materials and workmanship for one year from the date of original purchase If within the applicable period any such products shall be proved to Offsore Systemssatisfaction to fail to meet the above limited warranty such products shall be repaired or replaced at Offshore Systems option Purchaser s exclusive remedy and Offshore Systems sole obligation hereunder provided product is returned pursuant to the return requirements below shall be limited to the repair or replacement at Offshore Systems option of any product not meeting the above limited warranty and which is returned to Offshore Systems or if Offshore Systems is unable to deliver a replacement that is free from defects in materials or workmanship Purchaser s payment for such product will be refunded Offshore Systems assumes no liability whatsoever for expenses of removing any defective product or part or for installing the repaired product or part or a replacement therefore or for any loss or damage to equipment in connection with which Offshore Systems products or parts shall be used The foregoing warranties shall not apply with respect to products subjected to negligence misuse misapplication accident damages by circumstances beyond Offshore Systems control to improper installation operation maintenance
41. ing State 16 bit field Charge Mode XXXX XXXX XXXX 0000 Not Charging Charger Enab Dis XXXX XXXX 0001 Bulk Equalisation Pend XXXX XXXX XXXX 0010 Absorption XXXX XXXX XXXX 0011 Overcharge XXXX XXXX 0100 Equalise XXXX XXXX 0101 Float XXXX XXXX 0110 No Float XXXX XXXX 0111 Constant VI XXXX XXXX 1000 Disabled XXXX XXXX 1001 Fault XXXX 1110 Error XXXX XXXX 1111 Data not available XXXX XXXX 0000 xxxx Standalone Mode XXXX XXXX 0001 xxxx Primary Mode XXXX XXXX 0010 xxxx Secondary Mode XXXX 0011 Echo Mode XXXX 1110 Error XXXX XXXX 1111 Data not available XXXX XXOO Charger Off Disabled 01 xxxx Charger On Enabled XXXX XX LO Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled XXXX 10xx Eq Error 11xx xxxx xxxx Unknown Unavailable 0x0180 0384 Equalisation Time Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute Third Connected Battery Data Registers 0x0181 0385 Operating State 16 bit field Charge Mode XXXX xxxx 0000 Not Charging Charger Enab Dis XXXX xxxx 0001 Bulk Equalisation Pend XXXX xxxx 0010 Absorption XXXX XXXX XXxx 0011
42. it integer Range 131 072 to 131 056 Resolution 0 004 0 00 9 0169 Tank Capacity Unsigned 32 bit integer 0 0170 0168 MSW Range 0 4 296x10E 5 cu m 0170 LSW Resolution 1x10E 4 cu m Page 28 of 55 Offs Ore 7 9 AC Instance 0 Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0171 Unsigned 16 bit integer Range 0 2 0 Bus 1 Utility 2 Generator Resolution 1 0 00 0172 Average Line to Line Unsigned 16 bit integer Voltage AC RMS Range 0 64255 Volts Resolution 1 Volt Ox00AD 0173 Average Line to Unsigned 16 bit Integer Neutral Voltage Range 0 64255 Volts Resolution 1 Volt OxOOAE 0174 Frequency Unsigned 16 bit integer Range 0 501 99 Hertz Resolution 1 128 Hertz OxOOAF 0175 Current Unsigned 16 bit integer Not available in Bus Range 0 64255 Amps type Resolution 1 Amp 7 10 AC Instance 1 Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x00B0 0176 Type Unsigned 16 bit integer Range 0 2 0 Bus 1 Utility 2 Generator Resolution 1 0x00B1 0177 Average Line to Line Unsigned 16 bit integer Voltage AC RMS Range 0 64255 Volts Resolution 1 Volt 0x00B2 0178 Average Line to Unsigned 16 bit Integer Neutral Voltage Range 0 64255 Volts Resolution 1 Volt 0x00B3 0179 Frequency Unsigned 16 bit integer Range 0 501 99 Hertz
43. me Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute Second Connected Battery Data Registers 0x0179 0377 Operating State 16 bit field Charge Mode XXXX xxxx 0000 Not Charging Charger Enab Dis XXXX xxxx 0001 Bulk Equalisation Pend XXXX xxxx 0010 Absorption XXXX 0011 Overcharge XXXX xxxx 0100 Equalise XXXX xxxx 0101 Float xxxx 0110 No Float Page 34 of 55 ore XXXX XXXX 0111 Constant VI XXXX xxxx 1000 Disabled XXXX xxxx 1001 Fault XXXX XXXX XXxx 1110 Error XXXX 1111 Data not available xxxx 0000 xxxx Standalone Mode Xxxx xxxx 0001 xxxx Primary Mode xxxx 0010 xxxx Secondary Mode xxxx 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error xxxx 1111 xxxx Data not available XXXX xxxx xxxx Charger Off Disabled 01 xxxx Charger On Enabled XXXX XX10 xxxx Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled 10xx Eq Error 11xx xxxx Unknown Unavailable 0x017A 0378 Equalisation Time Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute Thi
44. ned 32 bit integer 0x0089 0133 0132 MSW Range 0 4 296x10E 5 cu m 0133 LSW Resolution 1x10E 4 cu m 0x008A 0134 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x008B 0135 Tank Capacity Unsigned 32 bit integer 0 008 0136 0135 MSW Range 0 4 296x10E 5 cu m 0136 LSW Resolution 1 10 4 m Page 25 of 55 Offs Ore Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x008D 0141 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0 008 0142 Tank Capacity Unsigned 32 bit integer Ox008F 0143 0142 MSW Range 0 4 296x10E 5 cu m 0143 LSW Resolution 1x10E 4 cum 0x0090 0144 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0091 0145 Tank Capacity Unsigned 32 bit integer 0x0092 0146 0145 MSW Range 0 4 296x10E 5 cu m 0146 LSW Resolution 1x10E 4 cu m Page 26 of 55 Offs Ore 7 8 Black Water Tank Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x0093 0147 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0094 0148 Tank Capacity Unsigned 32 bit integer 0 0095 0149 0148 MSW Range 0 4 296x10E 5 cu m 0149 LSW Resolution 1x10E 4 cum 0x0096 0150 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0097 0151 Tank Capacity Unsigned
45. oftware programs or products to achieve the intended results and for the installation use and results obtained from said programs or products No specifications samples descriptions or illustrations provided by Offshore Systems to Purchaser Page 53 of 55 hore whether directly in trade literature brochures or other documentation shall be construed as warranties of any kind and any failure to conform with such specifications samples descriptions or illustrations shall not constitute any breach of Offshore Systems limited warranty Warranty Return Procedure To apply for warranty claims contact Offshore Systems or one of its dealers to describe the problem and determine the appropriate course of action If a return is necessary place the product in its original packaging together with proof of purchase and send to an Authorized Offshore Systems Service Location You are responsible for all shipping and insurance charges Offshore Systems will return the replaced or repaired product with all shipping and handling prepaid except for requests requiring expedited shipping i e overnight shipments Failure to follow this warranty return procedure could result in the product s warranty becoming null and void Offshore Systems reserves the right to modify or replace at its sole discretion without prior notification the warranty listed above Page 54 of 55 Offs re WORLD LEADING 2000 DIGITAL TANK MONITORING PRODUCTS
46. olution 0 004 0x0067 0103 Tank Capacity Unsigned 32 bit integer 0x0068 0104 0103 MSW Range 0 4 296x10E 5 cu m 0104 LSW Resolution 1x10E 4 cum 0x0069 0105 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x006A 0106 Tank Capacity Unsigned 32 bit integer 0x006B 0107 0106 MSW Range 0 4 296x10E 5 cu m 0107 LSW Resolution 1x10E 4 cum 0 006 0108 Fluid Level Signed 16 bit integer Range 131 07296 to 131 056 Resolution 0 004 0x006D 0109 Tank Capacity Unsigned 32 bit integer 0x006E 0110 0108 MSW Range 0 4 296x10E 5 cu m 0110 LSW Resolution 1x10E 4 cu m 0x006F 0111 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0070 0112 Tank Capacity Unsigned 32 bit integer 0x0071 0113 0112 MSW Range 0 4 296x10E 5 cu m 0113 LSW Resolution 1x10E 4 cu m 0x0072 0114 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0073 0115 Tank Capacity Unsigned 32 bit integer 0x0074 0116 0115 MSW Range 0 4 296x10E 5 cu m 0116 LSW Resolution 1x10E 4 cu m Page 23 of 55 Offs Ore Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x0075 0117 Fluid Level Signed 16 bit integer Range 131 072 to 131 056 Resolution 0 004 0x0076 0118 Tank Capacity Unsigned 32 bit integer 0x0077 0119 0118 MSW Range 0 4 296x10E 5 cu m 0119 LSW Resolution 1x10E 4
47. ore Power AC Busbars 3 127503 AC Input Status Battery Banks 8 127508 Battery Status Battery Chargers 4 127507 Charger Status Switch Banks of 28 switches 8 127501 Switch Bank Status 127502 Switch Bank Control Page 51 of 55 Offs Ore Electrical and Mechanical Parameter Value Comment Operating Voltage 9 to 32 Volts DC Voltage Power Consumption 50mA Average Operating Load Equivalence Number 1 LEN Reverse Battery Protection Yes Indefinately Load Dump Protection Yes SAE J1113 Size 120x100x35mm Weight 160gm Environmental Parameter Value IEC 60954 Classification Protected Degree of Protection 40 Operating Temperature 25 C to 50 Storage Temperature 40 C to 70 Relative Humidity 9396RH 40 per IEC60945 8 2 Vibration 2 13 2Hz 1mm 13 2 100Hz 9 7m s2 per IEC 60945 8 7 Electromagnetic Emission Conducted and Radiated Emission per IEC 60945 9 Electromagnetic Immunity Conducted Radiated Supply and ESD per IEC 60945 10 Safety Precautions Dangerous Voltage Electromagnetic Radio Frequency per IEC 60945 12 10 Technical Support If you require technical support for any Offshore Systems products you can reach us by any of the following ways Tel 44 0 1425 610022 4 Fax 44 0 1425 614794 Email support osukl com Web www osukl com Post Offshore Systems UK Ltd Unit 11 Milton Bus
48. rd Connected Battery Data Registers 0x017B 0379 Operating State Charge Mode Charger Enab Dis Equalisation Pend 16 bit field XXXX xxxx 0000 Not Charging XXXX xxxx 0001 Bulk XXXX xxxx 0010 Absorption XXXX 0011 Overcharge XXXX xxxx 0100 Equalise XXXX xxxx 0101 Float XXXX xxxx 0110 No Float XXXX XXXX 0111 Constant VI XXXX xxxx 1000 Disabled XXXX 1001 Fault XXXX XXXX 1110 Error XXXX 1111 Data not available 0000 xxxx Standalone Mode Xxxx xxxx 0001 xxxx Primary Mode 0010 xxxx Secondary Mode Xxxx xxxx 0011 xxxx Echo Mode XXXX XXXX 1110 xxxx Error XXXX xxxx 1111 xxxx Data not available XXXX xxxx xxxx Charger Off Disabled Page 35 of 55 Offs Ore XXXX XX01 xxxx xxxx Charger On Enabled XXXX XX10 Error XXXX XX11 xxxx xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled OLXX xxxx Eq On Enabled XXXX 10xx xxxx Eq Error 11xx xxxx Unknown Unavailable 0x017C 0380 Equalisation Time Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute 717 Battery Charger Instance 1 Registers First Connected Batter
49. registers are read using command code 4 and written using command code 16 decimal 7 21 Switch Bank Holding Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x018F 0399 Switches 1 8 16 bit field SSXX XXXX Switch 1 bits XXSS xxxx Switch 2 bits XXXX SSxx xxxx Switch 3 bits Page 43 of 55 Offs Ore 55 Switch 4 bits XXXX SSXX Switch 5 bits 55 Switch 6 bits XXXX SSxx Switch 7 bits 55 Switch 8 bits Values as per bit value table above 0x0190 0400 Switches 9 16 16 bit field SSXX XXXX XXXX Switch 9 bits 55 xxxx Switch 10 bits SSxx xxxx Switch 11 bits XXXX XXSS xxxx xxxx Switch 12 bits XXXX XXXX SSxx xxxx Switch 13 bits XXXX XXXX XXSS xxxx Switch 14 bits XXXX XXXX XXXX SSxx Switch 15 bits XXXX XXXX XXXX 55 Switch 16 bits Values as per bit value table above 0x0191 0401 Switches 17 24 16 bit field SSXX XXXX Switch 17 bits 55 xxxx Switch 18 bits XXXX SSxx xxxx xxxx Switch 19 bits XXSS xxxx Switch 20 bits XXXX XXXX SSxx xxxx Switch 21 bits XXXX XXXX XXSS xxxx Switch 22 bits XXXX XXXX XXXX SSxx Switch 23 bits XXX
50. t Features The 3155 NMEA2000 to Modbus Gateway has the following features e 85485 Modbus Interface RTU protocol e 2000 Interface e Rail mount enclosure Passes NMEA2000 messages from Engines Generators Batteries AC Sources Fuel Tanks Fresh Water Tanks Grey Water Tanks Black Water Tanks and Oil Tanks to the Modbus Interface e easy communications setup controls for the RS485 Interface e Status and Warning lights for all data transfers e Allows monitoring and Control of 8 switch banks of 28 switches 224 in total 2 Installation 2 1 Unpacking the box You should find the following items in the 3155 shipping box 1x3155 NMEA2000 to Modbus Gateway 1 x 3155 User Manual This document 2 2 Choosing the mounting location The unit is designed to be mounted on a DIN rail in an electrical cabinet with free air circulation in a dry location below decks The cabinet may be located in an engine room providing the ambient temperature does not exceed 50 125 F The location needs to allow for connection to the NMEA2000 interface cable and the RS485 Modbus cable Page 6 of 55 2 3 Mounting the unit The unit should be hooked over the top of the DIN rail and then pushed back into location until the red tab at the bottom of the rear of the unit snaps behind the lower edge of the DIN rail Figure 1 DIN Mounting The unit can be dismounted from the DIN rail by using a screwdriver to release the red tab whilst lif
51. ting the unit upwards from the mounting rail Figure 2 DIN Dismounting 2 4 Connecting the R 485 Modbus Interface The RS485 Modbus cable should be connected to the terminal block on the lower edge of the 3155 unit Tighten the terminal block screws to grip the cable securely ensuring that a sound electrical connection has been made Page 7 of 55 Figure 3 RS485 Connections The RS485 Modbus Interface wires are connected as follows Description EIA TIA 485 Name Modbus Name Transceiver Terminal 1 V1 Voltage B B Data DO Transceiver Terminal 0 VO Voltage Data 1 Signal Ground C C Common Common 2 5 Connecting the NMEA2000 Interface The NMEA2000 interface cable on the unit should be connected to a nearby NMEA2000 Tee connector part number 3802 The male end of the cable should be inserted into the female Tee connection noting the position of the keyway in the plug and the socket The unit can be connected with power on or off without any damage Ensure that the locking ring is securely tightened so that the connection remains sound 3 Configuration 3 1 Modbus Communication Parameters The 3155 NMEA2000 to Modbus Gateway Modbus interface communications parameters are by default set to 19 200 Baud EVEN parity 1 stop bit ex factory The RS485 communications parameters can be changed at any time by setting the ADDR switch to the following number and pressing the COM push b
52. utton with power on according to the following table Page 8 of 55 Offs Ore ADDR switch position Communications Parameters 0 19 200 Baud Even Parity 1 stop bit Default 19 200 Baud Odd Parity 1 stop bit 19 200 Baud No Parity 2 stop bits 9 600 Baud Even Parity 1 stop bit 9 600 Baud Odd Parity 1 stop bit 9 600 Baud No Parity 2 stop bits 4 800 Baud Even Parity 1 stop bit 4 800 Baud Odd Parity 1 stop bit RAIN 4 800 Baud Parity 2 stop bits Please note that if the chosen communications parameters are NOT set to the default then the DefCm green led will NOT be illuminated The unit can be reset to the default values at any time by pressing the Set DefCom push button when the unit has power on and the ADDR switch is set to 0 When they are set to the default value the DefCm green LED is illuminated 3 2 Modbus Slave Address A single Modbus network may have a number of slave units attached and these units MUST have each a unique slave address The 3155 NMEA2000 to Modbus Gateway Slave Address can be set from 16 decimal to 31 decimal by using the small rotary switch on the front panel labeled Addr as per the following table Switch Position Decimal Address Hex Address 0 16 0x10 1 17 0x11 2 18 0x12 3 19 0x13 4 20 0x14 5 21 0x15 6 22 0x16 7 23 0x17 8 24 0x18 9 25 0x19 A 26
53. x0199 0409 Switches 17 24 16 bit field SSXX Switch 17 bits 55 Switch 18 bits SSxx xxxx Switch 19 bits 55 Switch 20 bits SSXX Switch 21 bits 55 Switch 22 bits XXXX SSxx Switch 23 bits XXXX XXXX XXSS Switch 24 bits Values as per bit value table above 0x019A Hex Addr 0410 Dec Addr Switches 25 28 Data Field 16 bit field XXXX XXXX SSxx xxxx Switch 25 bits XXXX XXXX XXSS xxxx Switch 26 bits XXXX XXXX XXXX SSxx Switch 27 bits XXXX XXXX XXXX XXSS Switch 28 bits Values as per bit value table above Data Type Range and Resolution 0 0198 0411 Switches 1 8 16 bit field SSXX XXXX Switch 1 bits XXSS xxxx Switch 2 bits XXXX SSxx xxxx Switch 3 bits XXXX XXSS xxxx Switch 4 bits XXXX XXXX SSxx xxxx Switch 5 bits XXXX XXXX XXSS xxxx Switch 6 bits XXXX XXXX XXXX SSxx Switch 7 bits XXXX XXXX XXXX 55 Switch 8 bits Values as per bit value table above 0x019C 0412 Switches 9 16 16 bit field SSXX XXXX XXXX Switch 9 bits 55 Switch 10 bits SSxx xxxx Switch 11 bits 55 Switch 12 bits XXXX SSxx xxxx Switch 13 bits
54. xxx Switch 6 bits XXXX XXXX XXXX SSxx Switch 7 bits XXXX XXXX XXXX XXSS Switch 8 bits Values as per bit value table above 0x01A4 0420 Switches 9 16 16 bit field SSXX XXXX XXXX Switch 9 bits XXSS xxxx Switch 10 bits XXXX SSxx xxxx xxxx Switch 11 bits XXXX XXSS xxxx xxxx Switch 12 bits XXXX XXXX SSxx xxxx Switch 13 bits XXXX XXXX XXSS xxxx Switch 14 bits XXXX XXXX XXXX SSxx Switch 15 bits XXXX XXXX XXXX XXSS Switch 16 bits Values as per bit value table above 0 01 5 0421 Switches 17 24 16 bit field SSXX Switch 17 bits XXSS xxxx Switch 18 bits XXXX SSxx xxxx Switch 19 bits XXXX XXSS xxxx xxxx Switch 20 bits XXXX XXXX SSxx xxxx Switch 21 bits XXXX XXXX XXSS xxxx Switch 22 bits XXXX XXXX XXXX SSxx Switch 23 bits XXXX XXXX XXXX XXSS Switch 24 bits Values as per bit value table above 0x01A6 Hex Addr 0422 Dec Addr Switches 25 28 Data Field 16 bit field XXXX XXXX SSxx xxxx Switch 25 bits XXXX XXXX XXSS XXXX Switch 26 bits XXXX XXXX SSxx Switch 27 bits XXXX XXXX XXXX XXSS Switch 28 bits Values as per bit value table above Data Type Range and Resolution 0x01A7 0423 Switches 1 8 16 bit field SSXX XXXX XXXX Switch 1 bits XXSS xxxx Switch 2 bits XXXX SSxx xxxx Switch 3 bits XXXX XXSS
55. y Data Registers Hex Dec Data Field Data Type Range and Resolution Addr Addr 0x017D 0381 Operating State 16 bit field Charge Mode XXXX XXXX XXXX 0000 Not Charging Charger Enab Dis XXXX XXXX 0001 Bulk Equalisation Pend XXXX XXXX XXXX 0010 Absorption XXXX XXXX XXXX 0011 Overcharge XXXX XXXX 0100 Equalise XXXX XXXX 0101 Float XXXX XXXX 0110 No Float XXXX XXXX 0111 Constant VI XXXX XXXX XXXX 1000 Disabled XXXX XXXX 1001 Fault XXXX 1110 Error XXXX XXXX XXXX 1111 Data not available XXXX XXXX 0000 xxxx Standalone Mode XXXX XXXX 0001 xxxx Primary Mode XXXX 0010 Secondary Mode 0011 Echo Mode XXXX XXXX 1110 xxxx Error XXXx 1111 xxxx Data not available XXXX xxxx xxxx Charger Off Disabled XXXX XX01 xxxx xxxx Charger On Enabled XXXX XX10 Error XXXX XX11 xxxx Unknown Unavailable 00 xxxx xxxx Eq Off Disabled 01 xxxx xxxx Eq On Enabled XXXX 10xx xxxx xxxx Eq Error Page 36 of 55 Chora XXXX LIXX Unknown Unavailable 0x017E 0382 Equalisation Time Unsigned 16 bit integer remaining Range 0 65 532 Minutes Resolution 1 minute Second Connected Battery Data Registers 0x017F 0383 Operat
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