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489 Generator Management Relay COMMUNICATIONS GUIDE Software R evision: 3.00 GE Publication Code: GEK -10 6495A GE Multilin Part Number: 1601-0149-A2 Copyright © 2004 GE Multilin GE Multilin 215 Anderson A venue, Markham, Ontario Canada L6E 1B3 T el: (905) 294-6222 F ax: (905) 201-2098 Internet: http://www .
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489 Communications Guide http://www .GEind ustrial.com/multilin i GE Multilin T able of Contents MODBUS PROTOCOL Electrical Interfa ce ............................ ............................ ........................ ........................... .....
Table of Contents 489 Communications Guide http://www .GEindus trial.com /multilin ii GE Multilin.
Modbus Protocol 489 Communications Guide http://www .GEind ustrial.com/multilin 1 GE Multilin 489 Communications Guide GE Publication Code: GEK-106495A GE Multilin Part Number: 1601-0149-A2 Copyright .
Modbus Protocol 489 Communications Guide http://www .GEindus trial.com /multilin 2 GE Multilin Data Packet Format A complete request/response sequence cons ists of the following bytes (transmitted as separate data fr ames): 1.
Modbus Functions 489 Communications Guide http://www .GEind ustrial.com/multilin 3 GE Multilin CRC-16 Algorithm Once the following algorithm is complete, the working register “ A ” will contain the CRC value to be tr ansmitted. Note that this algorithm requires the characteristic polynomial to be reverse bit ordered.
Modbus Functions 489 Communications Guide http://www .GEindus trial.com /multilin 4 GE Multilin Function Codes 03/04: Read Setpoints / Actual Va l u e s Modbus implementation: Read Input and Holding R.
Modbus Functions 489 Communications Guide http://www .GEind ustrial.com/multilin 5 GE Multilin Function Code 05: Execute Operation Modbus Implementation: Force Single Coil 489 Implementation: Execute Oper ation This function code allows the master to request specific 489 command operations.
Modbus Functions 489 Communications Guide http://www .GEindus trial.com /multilin 6 GE Multilin Function Code 07: Read Device Status Modbus Implementation: Read Exception Status 489 Implementation: Read Devi ce Status This function reads the selected device status.
Modbus Functions 489 Communications Guide http://www .GEind ustrial.com/multilin 7 GE Multilin Function Code 16: Store Multiple Setpoints Modbus Implementation: Preset Mu ltiple Registers 489 Implementation: Store Multiple Setpoints This function code allows mult iple Setp oints to be stored into the 489 memory .
Modbus Functions 489 Communications Guide http://www .GEindus trial.com /multilin 8 GE Multilin Function Code 16: Performing Commands Some PLCs may not support execution of commands usi ng function code 5 but do support storing multiple setpoints using func tion code 16.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 9 GE Multilin Modbus Memory Map Memory Map Information The data stored in the 489 is grouped as Setpoints and Actual V alues. Setpoints can be read and written by a master computer .
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 10 GE Multilin Each communications port can individually select the ID number of the event of interest by writing address 3003h. This wa y the front port, rear port and auxiliary port can read different event s from the event recor der simultaneously .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 11 GE Multilin 489 Memory Map The 489 memory ma p is shown in the following table.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 12 GE Multilin 023D Reactiv e Power Mvar Pretrip –2000000 to 2000000 1 Mvar F13 0 023F Apparent Power MV A Pretrip .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 13 GE Multilin 029E RTD #3 Pickup 0 to 4 1 – F123 0 029F RTD #4 Pickup 0 to 4 1 – F123 0 02A0 RTD #5 Pickup 0 to 4.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 14 GE Multilin 0320 RTD #12 Pickup 0 to 4 1 – F123 0 0321 Open Sensor Pickup 0 to 4 1 – F1 23 0 0322 Short/Low T .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 15 GE Multilin 0421 Phase B Current Angle 0 to 359 1 ° F1 0 0422 Phase C Current Angle 0 to 359 1 ° F1 0 0423 Phase .
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 16 GE Multilin 04AC RTD #11 T emperature –52 to 251 1 °C F4 –52 04AD RTD #12 T emperature –52 to 251 1 °C F4 .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 17 GE Multilin 0643 RTD #4 Maximum T emperature (F ahrenheit) –52 to 251 1 °F F4 –52 0644 RTD #5 Maximum T empera.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 18 GE Multilin 07A1 Number Of Thermal Resets 0 to 50000 1 – F1 0 MAINTENANCE / TRIP COUNTERS 07A2 Loss Of Excitatio.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 19 GE Multilin 1138 Clear Breaker Information 0 to 1 1 – F103 0 SYSTEM SETUP / CURRENT SEN SING 1180 Phase CT Primar.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 20 GE Multilin 1242 Assign T rip Relays (1-4) 0 to 3 1 – F5 0 1 1243 General Input B T rip Delay 1 to 50000 1 s F2 .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 21 GE Multilin 12B2 Input Name 0 to 12 1 – F22 _ 12B8 Block Input From Online 0 to 5000 1 s F1 0 12B9 Gener al Input.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 22 GE Multilin 13A2 T achometer Alarm 0 to 2 1 – F115 0 13A3 Assign Alarm Relays (2-5) 1 to 4 1 – F50 16 13A4 T a.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 23 GE Multilin 160E FlexCurve™ T rip Time at 1.80 × PU 0 to 65535 1 ms F1 65535 160F FlexCurve™ T rip Time at 1.90 × PU 0 to 65535 1 ms F1 65535 1610 FlexCurve™ T rip Time at 2.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 24 GE Multilin 1643 FlexCurve™ T rip Time at 11.5 × PU 0 to 65535 1 ms F1 65535 1644 FlexCurve™ T rip Time at 12.0 × PU 0 to 65535 1 ms F1 65535 1645 FlexCurve™ T rip Time at 12.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 25 GE Multilin 1733 FlexCurve™ T rip Time at 1.90 × PU 0 to 65535 1 ms F1 65535 1734 FlexCurve™ T rip Time at 2.00 × PU 0 to 65535 1 ms F1 65535 1735 FlexCurve™ T rip Time at 2.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 26 GE Multilin 1768 FlexCurve™ T rip Time at 12.0 × PU 0 to 65535 1 ms F1 65535 1769 FlexCurve™ T rip Time at 12.5 × PU 0 to 65535 1 ms F1 65535 176A FlexCurve™ T rip Time at 13.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 27 GE Multilin 2009 Undervoltage Curve R eset Rate 0 to 9999 1 s F2 14 200A Undervoltage Curve Element 0 to 1 1 – F2.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 28 GE Multilin 20A9 Overfrequency T r ip Level 1 2501 to 7000 1 Hz F3 6050 20AA Overfrequency T rip Delay 1 1 to 5000.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 29 GE Multilin 213A Zone 2 Angle 50 to 85 1 ° F1 75 213B Zone 2 T rip Delay 0 to 1500 1 s F2 20 POWER ELEMENTS / REAC.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 30 GE Multilin 2428 RTD #1 T rip T emperature 1 to 250 1 °C F1 155 2429 RTD #1 Name 0 to 8 1 – F22 _ RTD TEMPERATU.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 31 GE Multilin 2566 RTD #6 T rip V oting 1 to 12 1 – F1 22 6 2567 Assign T rip Relays (1-4) 0 to 3 1 – F50 1 2568 .
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 32 GE Multilin 26A4 RTD #11 Alarm Events 0 to 1 1 – F105 0 26A5 RTD #11 T rip 0 to 2 1 – F115 0 26A6 RTD #11 T ri.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 33 GE Multilin 282A Time to T rip at 3.75 × FLA 5 to 999999 1 s F10 5 282C Time to T rip at 4.00 × FLA 5 to 999999 1 s F10 5 282E Time to T rip at 4.25 × FLA 5 to 999999 1 s F10 5 2830 Time to T rip at 4.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 34 GE Multilin 2A65 Current Demand Alarm Events 0 to 1 1 A F105 0 MONITORING / MW DEMAN D 2A70 MW Demand Period 5 to .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 35 GE Multilin 2B0F Averaged Gener ator Load Maximum 0 to 2000 1 × FLA F3 125 2B10 Hottest Stator RTD Minimum – 50 .
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 36 GE Multilin 2B48 Analog Input 2 Minimum –50000 to 50000 1 Units F12 0 2B4A Analog Input 2 M aximum –500 00 to .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 37 GE Multilin 2C58 Analog Input 2 T r ip Pickup 0 to 1 1 – F130 0 2C59 Analog Input 2 T r ip Delay 1 to 3000 1 s F2.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 38 GE Multilin 2D2A Pre-Fault S ystem Frequency 50 to 900 1 Hz F2 600 2D2B Pre-Fault An alog Input 1 0 to 100 1 % F1 .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 39 GE Multilin 3017 Ground Current 0 to 20000000 1 A F14 0 3019 A-B V oltage 0 to 50000 1 Volts F1 0 301A B-C Voltage .
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 40 GE Multilin Memory Map Data Formats The data formats used in the Mo dbus memory map are shown below .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 41 GE Multilin F100 Unsigned 16 bit integer TEMPEATURE D ISPLAY UNITS 0C e l s i u s 1 F ahrenheit FC101 Unsigned 16 b.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 42 GE Multilin F127 Unsigned 16 bit integer ANALOG OUTPUT PARAMETER SELECTION 0N o n e 1 IA Output Current 2 IB Outpu.
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 43 GE Multilin F134 ctd. 16 Not Used 17 Not Used 18 Not Used 19 Not Used 20 Differential T rip 21 Acceleration T rip 2.
Modbus Memory Map 489 Communications Guide http://www .GEindus trial.com /multilin 44 GE Multilin F134 ctd. 122 Input C Control 123 Input D Control 124 Input E Control 125 Input F Control 126 Input G .
Modbus Memory Map 489 Communications Guide http://www .GEind ustrial.com/multilin 45 GE Multilin F208 Unsigned 16 bit integer UNDERVOLTAGE TRIP ELEMENT T YPE 0C u r v e 1 Definite Time F209 Unsigned 1.
DNP Protocol 489 Communications Guide http://www .GEindus trial.com /multilin 46 GE Multilin DNP Pr otocol Device Pr ofile Document The communications port configured as a DNP slav e port must support the full set of features listed in the Level 2 DNP V3.
DNP Protocol 489 Communications Guide http://www .GEind ustrial.com/multilin 47 GE Multilin Implementation T able The table below gives a list of all objects recognized and returned by the relay .
DNP Protocol 489 Communications Guide http://www .GEindus trial.com /multilin 48 GE Multilin Default V ariations The following table specifies the defau lt va ri ation for all objects return ed by the relay . These are the v ariations that will be ret urned for the object in a response when no specific v ariation is specified in a request.
DNP Point Lists 489 Communications Guide http://www .GEind ustrial.com/multilin 49 GE Multilin DNP Point Lists Binary Input / Binary Input Change (Objects 01/02) The poin t list fo r Binary Inpu ts (O.
DNP Point Lists 489 Communications Guide http://www .GEindus trial.com /multilin 50 GE Multilin Any detected change in the state of any point assigned to Class 1 will cause the gener ation of an event object.
DNP Point Lists 489 Communications Guide http://www .GEind ustrial.com/multilin 51 GE Multilin Binary / Control Relay Output Block (Objects 10/12) The following restrictions should be noted when using object 12 to control the points listed above: 1. The Count field is checked first.
DNP Point Lists 489 Communications Guide http://www .GEindus trial.com /multilin 52 GE Multilin Binary / Froze n Counter (Objects 20/21) The counters cannot be cleared with the Freeze /Clear functi on codes (9/10). Instead, the control relay output block points can be used to clear groups of counters.
DNP Point Lists 489 Communications Guide http://www .GEind ustrial.com/multilin 53 GE Multilin Analog Input / Input Change (Objects 30/32) In the following tabl e, the Format column indicates that the a ssociated data point format is determined by the entry in Data Formats on page 40.
DNP Point Lists 489 Communications Guide http://www .GEindus trial.com /multilin 54 GE Multilin 35 F1 La st T rip Ambient RT D Class 1 Note 3 36 F4 Last T rip Hottest Ambient RTD T emperature (°C) Cl.
DNP Point Lists 489 Communications Guide http://www .GEind ustrial.com/multilin 55 GE Multilin 74 F1 Third Harmonic Neutral V oltage (volts) Class 2 Note 10 75 F10 Third Harmonic Neutral V oltage (ten.
DNP Point Lists 489 Communications Guide http://www .GEindus trial.com /multilin 56 GE Multilin TABLE NOTES: 1. Unless otherwise spec ified, an event obje ct will be gener ated for a p oint if the current value of the point changes by an amount greater than or equal to two percent of its previous v alue.
489 Communications Guide http://www .GEind ustrial.com/multilin i GE Multilin Index A ANALOG INP UTS DNP point list ................................................................ 2-5 3 B BAUD RATE ....................................................
489 Communications Guide http://www .GEindus trial.com /multilin ii GE Multilin T TIMING .............................................................................. 2-3 TRACE MEMORY ............................................................. 2-10 U USER DEFINABLE MEMORY MAP .
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