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SIGMA S6000 IO/P Module

1. Emergency Generator Configure Powersource to Emergency Generator and enable override in the configuration 3 1 3 1 Active Phase Current The S6000 module will calculate each component of active currents as follows active current mode IAct I x Cos IAct L x Coso IAct I x Cos q The trip level is defined as a percentage of the generators maximal current in one phase Please note that the reference is expressed by the preconfigured power factor Revision 13 04 2011 Page 9 of 63 SELCO A S SIGMA S6000 IO P Module Level GENMAXCUR 100 Lien OFT ger OF licr 3 1 3 2 Active Phase Load The components of active loads will be calculated as shown below active load mode P Umx xCospq P2 U2xbxCoso P3 U3nx h x Cos q The trip level is defined as a percentage of the generators phase capacity Please note that the reference is expressed by the preconfigured power factor MVOLT rea 10 V3 GENMAXCUR pr P or P or P 100 3 1 3 3 Sum Active Load The sum of active loads will be calculated by the sum of the individual active load components P P P2 P3 Un x li x Cos q Uan x L x Cos q Uzy x k x Cos q The trip level is configured as a percentage according to the generators capacity Please note that the reference is expressed by the preconfigured power factor tevr a PORO cenar er V3 P 100 3 1 4 Reverse Power The reverse power protection function RP
2. 6 9 14 Frequency deviation rate of change of frequency ROCOF When configured for indication of frequency deviation protection the open collector output will become active when the frequency deviation protection function trips the circuit breaker The output will stay active until a protection reset is issued Revision 13 04 2011 Page 32 of 63 SELCO A S SIGMA S6000 IO P Module 6 9 15 COM The COM terminal is the common reference of the S6000 module The various digital inputs and the open collector outputs use the COM terminal as reference The COM terminal has connection to the COM terminal of the SYNC plug in connector 6 9 16 C B Reset The C B reset input can be used to issue an external reset signal to the S6000 module C B reset will reset the C B trip relay and all active protection causes provided that none of the protection levels are exceeded 6 10 RS485 The S6000 module includes an isolated RS485 interface Terminal Description Signal Connection 1 REF Reference isolated Reference of the RS485 bus 2 A RS485 A A signal of the RS485 bus 3 B RS485 B B signal of the RS485 bus It is important to note that the RS485 reference is isolated from the common COM of the module The 3 wires RS485 bus is connected from module to module A termination resistor of 150 ohm must be connected between terminal 2 and 3 at each end of the RS485 bus preferably directly on the RS485 bus plug in conn
3. P UinxIi x Coso P2 U2mxbxCoso P3 U3nx h x Cos q Revision 13 04 2011 Page 18 of 63 SELCO A S SIGMA S6000 IO P Module The trip level is defined as a percentage of the generators phase capacity Note that the reference is expressed by the preconfigured power factor rever POLO cenmaxcur Pr V3 P or P or P gt 100 3 2 2 4 Sum Active Load The sum of active loads will be calculated by the sum of the individual active load components P P P2 P3 Uin x li x Cos q Uan x L x Cos q Uzy x k x Cos q The trip level is configured as a percentage according to the generators capacity Note that the reference is expressed by the preconfigured power factor teve 3 70T cemaxcur rr V3 P 100 3 2 2 5 Current The S6000 module will measure each component of currents as follows current mode L b h The trip level is defined as a percentage of the generators maximal current in one phase Level GENMAXCUR 100 I orl orl The trip level is configured as a percentage according to nominal frequency the generator maximum current or the power sources active capacity The power source active capacity is calculated from the generator maximum current and the nominal phase phase voltage located within the system configuration The delay is configured in seconds The trip signal will be issued if the trip level is exceeded continuously for the duration of the delay The NE2 LED provides loca
4. Relay response time Contact set s Contact rating Function Alarm Relay Relay response time Contact set s Contact rating Function Voltage OK Level Indication Phase OK indication Indication Analogue Outputs Output 1 Source parameter Signal Output 2 Source parameter Signal Frequency Active current highest of three phases Lactivers Lactivez OT activez Current highest of three phases l I or I3 Frequency Active current highest of three phases Tactive1 gt Lactivez OF LActive3 Active power highest of three phases P P or P3 Sum active power P Current highest of three phases l4 I or Is 20 to 150 of GRF 20 to 150 of GMC 20 to 150 of GIV x GMC 20 to 150 of GMC 1 to 100 1 0 to 60 0 s NE2 Trip latching or non latching hysteresis reset Dedicated open collector output 200 mA Yellow NE2 LED on front folio shows pick up and trip By common NE reset input 20 ms worst case 1 AC 8 A 250 V AC DC 8 A 35 V DC Normally energized Default or normally de energized 20 ms worst case 2 AC 8 A 250 V AC DC 8 A 35 V DC Normally de energized Default or normally energized 20 ms worst case 2 AC 8 A 250 V AC DC 8 A 35 V DC Normally de energized Default or normally energized 20 ms worst case 2 AC 8 A 250 V AC DC 8 A 35 V DC Normally energized 0 to 20 of GPPV default 10 Steady light within limits Stead
5. The EL LED provides localized status information while the EL open collector output can be used for remote signalling The excitation loss protection can be configured for manual reset default or auto reset Manual reset means that the excitation loss trip must be manually reset before the circuit breaker can be closed again Auto reset means that the protection alarm disappears when the excitation loss situation is cleared usually after C B trip The generator can then reclose to the bus bar immediately The excitation loss protection includes an override possibility Override means that a protection function will no longer trip the breaker but only give an alarm This is required for shaft generators in PTH mode and some emergency generator applications Shaft Generator in PTH mode Configure Powersource to Shaft Generator Enable override in the configuration and activate input 4 of the Auxiliary I O connector Input 4 connected to com gt PTH mode active input 4 open gt PTH mode deactivated Emergency Generator Configure Powersource to Emergency Generator and enable override in the configuration 3 1 5 1 Reactive Phase Current The S6000 module will calculate each component of reactive currents as follows reactive current mode Revision 13 04 2011 Page 12 of 63 SELCO A S SIGMA S6000 IO P Module TReact l x Sing IReact L x Sing IReact x Sin q The trip level is defined as a percentage of the
6. WRITE PROTECT OL LEVEL lt Level gt Revision 13 04 2011 Page 41 of 63 SELCO A S SIGMA S6000 IO P Module The delay is expressed in seconds and can be set between 2 0 and 20 0 s Resolution is 100 ms WRITE PROTECT OL DELAY lt Delay gt The pre alarm delay is expressed in seconds and can be set between 2 0 and 20 0 s Resolution is 100 ms WRITE PROTECT OL PDELAY lt Delay gt The mode single phase or sum can be set by the following command The choice can be PHASE or SUM WRITE PROTECT OL MODE lt Choice gt The over load protection can be configured to auto reset Auto reset means that the circuit breaker can reclose immediately after the protection trip provided the trip cause has disappeared If auto reset is not activated the protection function must be reset before the circuit breaker can be reclosed WRITE PROTECT OL AUTORESET lt Choice gt The choice can be either YES or NO Default is NO meaning that reset is required before re closure of the breaker The over load protection can be configured for override Override means that a protection function will not trip the breaker anymore but only give an alarm For using this function the override must be enabled for the relevant protection function AND either PTH or Emergency Generator Mode must be activated WRITE PROTECT OL OVERRIDE lt Choice gt The choice can be either YES or NO Default is NO override disabled 7 4 4 Reverse Power The reverse pow
7. E EE E R Res ON se E 32 6 9 9 Generator under TeqUenCy rca id a iiia 32 6 9 10 Bus Dar OE OM a E R E EE ca 32 6 9 11 gt Bus Dar undervoltage o 32 GON Bus DAI aaa 32 6 9 13 Bus bat under fregen madonna 32 6 9 14 Frequency deviation rate of change of frequency ROCOF ssssssesssesssssrssseessrrssesssee 32 OT A O DE 33 GONG CEIBA a a A E A wince aie 33 6 10 RIAS ii A ama EER AE TES 33 OlT CANIBUS Sre huare ace Se a e aeaa e a i e a aaa E 33 6127 Auxy o o ed aSa 34 6 121 Volt Phase OR scsi iaa 34 A E ea Bass 34 6123 O A soe ee a toate ess eh Vata neha A tee da epee 34 612 4 Abnormal Trip sacras adan A A a 35 TS SUPA OM acts 5 watt a sina idan decide Sioa shdee Seay wis wah a a Dad ar EEEa ea ETE mises 36 7 1 Console Password ui a EE E 36 T2 RN a a a a a ee deste a sn cen Eh uae 36 Ta Void e ao o eS 36 T22 Gener tor Maximum CU A ii 37 1 2 3 CT Primary Curt are 38 124 Rated BCU CHOY td 38 MZA INCA A O 38 LO Load Calcula desde 39 Revision 13 04 2011 Page 3 of 63 SELCO A S SIGMA S6000 IO P Module 121 SPOWEE Pacto io iia isa 39 1 3 E a sins ee eae 39 7 4 POLE CE OM A O cag east sacs ataauntac uated a 40 TAA ShorteCirUlti a ira 40 FAZ DVRs d 40 TAS O e nd OOO 41 TA He RO PON A a A RES 42 TAO EXCITA E cad AEEA dates aah nuda seea gens EEEE EEEa 43 TAG Voltage Establishment ii nec secon 45 TAT Freg cncy Establishment ay cites cacao dus nada O tana saz ista 46 T3 Es AA A elev hail E
8. breaker The output will stay active until a protection reset is issued 6 9 9 Generator under frequency When configured for indication of generator under frequency the open collector output will become active when the generator under frequency protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 10 Bus bar over voltage When configured for indication of bus bar over voltage the open collector output will become active when the bus bar over voltage protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 11 Bus bar under voltage When configured for indication of bus bar under voltage the open collector output will become active when the bus bar under voltage protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 12 Bus bar over frequency When configured for indication of bus bar over frequency the open collector output will become active when the bus bar over frequency protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 13 Bus bar under frequency When configured for indication of bus bar under frequency the open collector output will become active when the bus bar under frequency protection function trips the circuit breaker The output will stay active until a protection reset is issued
9. by request from the master e g a PLC or a SCADA system Revision 13 04 2011 Page 21 of 63 SELCO A S SIGMA S6000 IO P Module 4 System Preparation 4 1 CAN Bus Address The 4 point dip switch located on the right hand side of the S6000 module is used to set the CAN bus address The CAN bus address is set as a binary value on 4 ON OFF switches Valid CAN bus address are to 15 The CAN bus address should be set according to the generator reference number thus the CAN address of an S6000 module and its partner S6100 should be the same It is advisable to assign address 1 to the first pair of S6000 S6100 modules number 2 to the second pair etc S6500 user interface modules can be set to any address in the range 1 to 15 However it is typically most practical to set a single S6500 to number 1 S6600 or S6610 Power Manager modules should be configured with address 1 Each pair of S6000 and S6100 modules must be assigned a unique CAN bus address The binary system works on the principle described below e Switch 1 represents the decimal value 1 e Switch 2 represents the decimal value 2 e Switch 3 represents the decimal value 4 e Switch 4 represents the decimal value 8 As an example the address 1 is assigned by setting switch 1 to ON and the remaining switches to OFF Address 10 is assigned by setting switch 2 and 4 to ON and switch 1 and 3 to OFF The decimal value corresponds to the sum of the values ON switch values Re
10. is calculated from generator maximum current and the nominal phase phase voltage located within the system configuration The delay is configured in seconds The trip signal will be issued if the trip level is exceeded continuously for the duration of the delay The NE2 LED provides localized status information while the NE2 relay can be used both for load trip and remote signalling The NE2 relay can be configured for latching or non latching operation Latching operation works with external reset through the NE reset input In non latching mode reset is done by use of a hysteresis The hysteresis will cause the function to auto reset when the parameter goes above below then trip level minus the hysteresis 3 2 2 1 Frequency The S6000 will calculate the frequency to determine if it is low enough to trip the NE function The trip level is defined as a percentage of the generators rated frequency Level RATEFREQ I 100 3 2 2 2 Active Phase Current The S6000 module will calculate each component of active currents as follows active current mode IAct I x Cos IAct Lx Coso IAct I x Cos q The trip level is defined as a percentage of the generators maximal current in one phase Note that the reference is expressed by the preconfigured power factor Level GENMAXCUR PF 100 TAct or IAct or Act 3 2 2 3 Active Phase Load The components of active loads will be calculated as shown below active load mode
11. latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NEI HYST lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NEI DELAY lt Delay gt The mode parameter will only be in effect when the trip parameter is load The mode single phase or sum can be set by the following command The choice can be PHASE or SUM WRITE LOADTRIP NEI MODE lt Choice gt 7 5 1 2 Following applies for firmware levels from 3 2 57 NE1 trip on high active power kW This activates the NE1 trip function according to the generators maximum active load In case WRITE SYS LOADCALC is set to CUR current the limit is the load level in any of the generators 3 phases The 100 reference is the primary phase neutral voltage multiplied by the generators maximum current multiplied by rated coso PRIMVOLT V3 In case WRITE SYS LOADCALC is set to LOAD note that connection of Neutral is required for this see 7 2 6 the limit is the generator load in all 3 phases as indicated on the kW meter The 100 reference is the sum of the nominal phase neutral voltages multiplied by the generators maximum current GENMAXCUR rated cos y in any phase 3 PRIMVOLT B The non essential 1 trip function for active power can be enabled or disabled for tripping on load by the foll
12. lt Delay gt The NE1 function will automatically reset by hysteresis provided that the NE1 relay has been configured for non latching operation The hysteresis has no effect when the NEl relay is configured for latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NEI CUR HYST lt Level gt NE1 trip on low frequency Hz This activates the NEI trip function on low frequency The 100 reference is the rated frequency RATEDFREQ of the generator WRITE LOADTRIP NEI FREQ ENABLED lt Choice gt The level is set by the following command The level can be set between 20 and 150 Resolution is 1 Revision 13 04 2011 Page 49 of 63 SELCO A S SIGMA S6000 IO P Module WRITE LOADTRIP NEI FREQ LEVEL lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NEI FREQ DELAY lt Delay gt The NE1 function will automatically reset by hysteresis provided that the NE1 relay has been configured for non latching operation The hysteresis has no effect when the NE relay is configured for latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NEI FREQ HYST lt Level gt 7 5 2 Non Essential 2 7 5 2 1 Following applies for firmware leve
13. of GIV 1 0 to 30 0 s on OC output 1 0 to 30 0 s default 2 0 s C B Trip with feedback from C B State input Dedicated open collector output 200 mA Red VE LED on front folio shows pick up and trip By common C B reset input or UI Reset button By Configuration Definite time Frequency Active current highest of three phases Lactivets Lactivez OT LActive3 Current highest of three phases 1 I or Is Frequency Active current highest of three phases Tactive1 gt Lactivez OT LActive3 Active power highest of three phases P P2 or P3 Sum active power P Current highest of three phases l I or I3 20 to 150 of GRF 20 to 150 of GMC 20 to 150 of GIV x GMC 20 to 150 of GMC 1 to 100 1 0 to 60 0 s NE1 Trip latching or non latching hysteresis reset Dedicated open collector output 200 mA Yellow NE1 LED on front folio shows pick up and trip By common NE reset input By Configuration Definite time Revision 13 04 2011 Page 61 of 63 SELCO A S SIGMA S6000 IO P Module Modes without neutral Modes with neutral Trip level frequency Trip level active current Trip level active power Trip Level current Hysteresis non latch Delay Relay Output Indication Reset C B Trip Relay Relay response time Contact set s Contact rating Function NE1 Trip Relay Relay response time Contact set s Contact rating Function NE2 Trip Relay
14. only give an alarm For using this function the override must be enabled for the relevant protection function AND either PTH or Emergency Generator Mode must be activated WRITE PROTECT FE OVERRIDE lt Choice gt The choice can be either YES or NO Default is NO override disabled Revision 13 04 2011 Page 46 of 63 SELCO A S SIGMA S6000 IO P Module 7 5 Load Shedding On firmware revisions up to 3 2 56 the load shedding functions trip of non essential loads can be configured to trip on either low frequency or high current or high load measured as active current or load On firmware revisions from 3 2 57 the load shedding functions trip of non essential loads can be configured to trip on either or all of following conditions low frequency high load active current and high current Configuration files taken from older firmwares up to 3 2 56 will be understood by modules with newer firmware from 3 2 57 So there are no compatibility problems 7 5 1 Non Essential 1 7 5 1 1 Following applies for firmware levels up to 3 2 56 The non essential 1 load trip function can be enabled or disabled by the following command The choice can be either YES or NO WRITE LOADTRIP NE ENABLED lt Choice gt The function can be configured to trip on either low frequency under frequency on high load measured as active current or load or on high current The selection is done by the following command The choice can be FREQ
15. overload protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 4 Reverse Power When configured for indication of reverse power the open collector output will become active when the reverse power protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 5 Excitation Loss When configured for indication of excitation loss the open collector output will become active when the excitation loss protection function trips the circuit breaker The output will stay active until a protection reset is issued Revision 13 04 2011 Page 31 of 63 SELCO A S SIGMA S6000 IO P Module 6 9 6 Generator over voltage When configured for indication of generator over voltage the open collector output will become active when the generator over voltage protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 7 Generator under voltage When configured for indication of generator under voltage the open collector output will become active when the generator under voltage protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 8 Generator over frequency When configured for indication of generator over frequency the open collector output will become active when the generator over frequency protection function trips the circuit
16. protection can be enabled or disabled If enabled the RP protection will trip the circuit breaker in case of motoring which occurs when current flows into instead of out of the generator The configuration determines the mode of operation active current or active load However the active load modes are only available when the S6000 module has connection to neutral and is configured to measure active load as Watt as opposed to Ampere The RP protection can either act on the lowest of the three parameters active current or load in each individual phase or it can act on the sum of active loads e g the load indicated on the switchboard kW meter The open collector output is activated after the pre alarm delay has passed 1f configured The trip signal will be issued if the critical level is exceeded continuously for the duration of the main delay Both delays are configured in seconds The RP LED provides localized status information while the RP open collector output can be used for remote signalling The Reverse Power protection can be configured for manual reset default or auto reset Revision 13 04 2011 Page 10 of 63 SELCO A S SIGMA S6000 IO P Module Manual reset means that the reverse power trip must be manually reset before the circuit breaker can be closed again Auto reset means that the protection alarm disappears when the reverse power situation is cleared usually after C B trip The generator can then rec
17. the C B will be blocked for re closure until the fault is reset The main purpose of this terminal is to implement external protection equipment like the internal protection functions of the C B into the Power Management In case such external protection equipment is used for the protection of the generator a feedback from this protection equipment must be connected to this terminal Revision 13 04 2011 Page 35 of 63 SELCO A S SIGMA S6000 IO P Module 7 Configuration The S6000 module can be configured in three different ways This section describes the configuration by RS232 as this method of configuration does not require the use of additional modules the S6500 or S6600 The S6000 module is delivered with a default configuration 7 1 Console Password By default the RS232 console will operate in read only mode The console can be switched to read write mode by the enable command ENABLE Enable mode will prompt for a pin code The default pin code is 0000 The console can be switched back to read only mode by the disable command DISABLE Please note that the RS232 console pin code is separate for each module Also the RS232 pin code is independent from the menu pin code of the UI or PM module 7 2 Power Source The first thing to do is to configure the S6000 module to fit the power source 7 2 1 Voltage The S6000 module must know then nominal voltage of the power source as well as the primary voltage The nominal
18. the square root of three requires that the load distribution among the three phases are perfectly balanced SELCO has chosen not to make this assumption With neutral connection e g start coupled generators the S6000 can calculate active reactive loads as either active reactive currents or active reactive loads measured in Ampere or Watt VAr Without neutral e g triangle coupled generators loads can only be calculated as active reactive currents The setup of the load calculation depends on the setup of the neutral connection The load calculation mode is configured by the following command The choice can be either CUR or LOAD WRITE SYS LOADCALC lt Choice gt Again note that the LOAD choice is only valid when WRITE SYS NEUTRAL is set to YES 7 2 7 Power Factor The power factor is used for calculation of the 100 references for the various protection and NE trip functions The typical power factor is 0 8 The range is 0 0 to 1 0 The power factor is configured by the following command The resolution is 0 1 WRITE SYS COSPHI lt Power Factor gt 7 3 Voltage OK Window The S6000 module needs to verify whether or not the generator voltage is OK that is whether or not the voltage level on each of the three phase phase voltages are within limits The voltage window defines the boundaries around the nominal voltages which the module regards are acceptable for safe operation The VOLTAGE OK LED will be lit provided that a
19. voltage is the nominal voltage that will be present on the VOLTAGE INPUTS plug in connector of the module actual voltage between L1 L2 L2 L3 and L3 L1 terminals Please note that all voltage settings are phase phase voltages The nominal voltage is set by the following command The resolution of the nominal voltage is 100 mV AC WRITE SYS NOMVOLT lt nominal voltage gt On a system equipped with an S6100 the alternator voltage will change when the nominal voltage is altered provided that voltage stabilisation is active The actual voltage might not be the same as the nominal voltage The actual voltage could be far higher e g in medium voltage installations in which case the power source primary voltage is transformed down my external PT s voltage transformers It is however typically preferred to do calculations and indication using the true primary voltage The primary phase phase voltage is set by the following command The resolution is 1 V AC WRITE SYS PRIMVOLT lt primary voltage gt Revision 13 04 2011 Page 36 of 63 SELCO A S SIGMA S6000 IO P Module The primary voltage should be set to the same value as the nominal voltage when no intermediate PT s are used The voltage settings will affect the indication of phase phase and phase neutral voltages as well as all parameters based on voltage e g active reactive loads VA generator capacity etc The nominal voltage is used for reference by the voltage sta
20. 2 PROTECTION OUTPUT 2 Open collector output External input 3 PROTECTION OUTPUT 3 Open collector output External input 4 PROTECTION OUTPUT 4 Open collector output External input 5 PROTECTION OUTPUT 5 Open collector output External input 6 PROTECTION OUTPUT 6 Open collector output External input 7 COM Common reference External reference 8 C B RESET Open collector output External input A trip cause output will become active when the breaker is tripped through operation of the C B trip relay A trip cause output will stay active until a protection reset is issued The protection outputs can be programmed to following functions short circuit over current over load reverse power excitation loss over voltage under voltage over frequency under frequency and frequency deviation alarm rate of change of frequency 6 9 1 Short Circuit When configured for indication of short circuit the open collector output will become active when the short circuit protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 2 Over Current When configured for indication of over current the open collector output will become active when the over current protection function trips the circuit breaker The output will stay active until a protection reset is issued 6 9 3 Overload When configured for indication of overload the open collector output will become active when the
21. 5 VDC The two 10 kOhm resistors in series would make up a 1 2 voltage divider 6 9 C B Trip Cause amp COM The S6000 module includes six open collector outputs for indication of protection functions An open collector output works as an electronic contact to COM Please note that the COM terminals are isolated from the power supplies Therefore it is necessary to connect the minus of the power supply that supplies the equipment that is to be used with the open collector output with one of the COM terminals of the SIGMA module Example In case a relay is to be activated by an open collector output the minus of the power supply of this relay must be connected with one of the COM terminals of the SIGMA Module This power supply must be 24V DC IO P MODULE 56090 ANALOG QUTPUTS C B TRIP CAUSE GND RS485 CAN BUS M Anolog 1 Analog 2 Analog 3 Trip indication co C B reset TN mM ss NOMme ODIY NM aN DONA woTnN M NM Ln K2 Revision 13 04 2011 Page 30 of 63 SELCO A S SIGMA S6000 IO P Module It is possible to assign any protection function to any of these outputs see under configuration The C B Trip Cause amp COM plug in terminal also houses a COM terminal and the external circuit breaker reset input C B Reset Terminal Description Signal Connection 1 PROTECTION OUTPUT 1 Open collector output External input
22. ELAY lt Delay gt The mode single phase or sum can be set by the following command The choice can be PHASE or SUM WRITE PROTECT RP MODE lt Choice gt The reverse power protection can be configured to auto reset Auto reset means that the circuit breaker can reclose immediately after the protection trip provided the trip cause has disappeared If auto reset is not activated the protection function must be reset before the circuit breaker can be reclosed WRITE PROTECT RP AUTORESET lt Choice gt The choice can be either YES or NO Default is NO meaning that reset is required before re closure of the breaker The reverse power protection can be configured for override Override means that a protection function will not trip the breaker anymore but only give an alarm For using this function the override must be enabled for the relevant protection function AND either PTH or Emergency Generator Mode must be activated WRITE PROTECT RP OVERRIDE lt Choice gt The choice can be either YES or NO Default is YES override enabled 7 4 5 Excitation Loss The excitation loss protection function can be enabled or disabled by the following command The choice can be either YES or NO WRITE PROTECT EL ENABLED lt Choice gt Revision 13 04 2011 Page 43 of 63 SELCO A S SIGMA S6000 IO P Module The trip level of the excitation loss function is expressed in one of three different ways The mode of operation depends on the prev
23. ELCO A S SIGMA S6000 IO P Module PRIMVOLT v3 The level is set by the following command The level can be set between 20 and 150 Resolution is 1 3 GENMAXCUR WRITE LOADTRIP NE2 LEVEL lt Level gt The NE2 function will automatically reset by hysteresis provided that the NE2 relay has been configured for non latching operation The hysteresis has no effect when the NE2 relay is configured for latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NE2 HYST lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NE2 DELAY lt Delay gt The mode parameter will only be in effect when the trip parameter is load The mode single phase or sum can be set by the following command The choice can be PHASE or SUM WRITE LOADTRIP NE2 MODE lt Choice gt 7 5 2 2 Following applies for firmware levels from 3 2 57 NE2 trip on high active power kW This activates the NE1 trip function according to the generators maximum active load In case WRITE SYS LOADCALC is set to CUR current the limit is the load level in any of the generators 3 phases The 100 reference is the primary phase neutral voltage multiplied by the generators maximum current multiplied by rated cose PRIMVOLT V3 In case WRITE SYS LOADCALC is set to LOAD note that connect
24. FF OCI OC2 OC3 OC4 OC5 OC6 OFF WRITE OCPROTOUT BUSVELOWER OFF OCI OC2 OC3 OC4 OC5 OC6 OFF Revision 13 04 2011 Page 55 of 63 SELCO A S SIGMA S6000 IO P Module WRITE OCPROTOUT BUSFEUPPER OFF OCI OC2 OC3 OC4 OC5 OC6 OFF WRITE OCPROTOUT BUSFELOWER OFF OCI OC2 OC3 OC4 OC5 OC6 OFF WRITE OCPROTOUT BUSFD OFF OCI OC2 OC3 OC4 OC5 OC6 OFF 7 8 Analogue Outputs The analogue outputs are configured with the following parameters 7 8 1 Analogue Output 1 The first parameter to set is the indicated parameters among all the available measured and calculated parameters The indicated parameter is set by the following command The choice can be any one of the following parameters U12 U23 U31 UIN U2N U3N I1 I2 13 IA1 IA2 IA3 P1 P2 P3 P IR1 IR2 IR3 Q1 Q2 Q3 Q PF1 PF2 PF3 PF VA1 VA2 VA3 VA F Default is P WRITE ANAOUT OUT SRC lt Choice gt The output signal is set by the following command The choice can be either voltage or current VOLT or CUR WRITE ANAOUT OUT SIGNAL lt Choice gt The next two commands scale the chosen parameter Default is 10 and 100 respectivly WRITE ANAOUT OUT SRCMIN lt value gt WRITE ANAOUT OUT SRCMAX lt value gt Finally the output signal must be scaled This can be done for either voltage or current depending on the choice made for the signal parameter Default settings are 1 to 10 VDC and 4 to 20 mA WRITE A
25. IAct l x Cos IAct L x Cos IAct I x Cos q The trip level is defined as a percentage of the generators maximal current in one phase Note that the reference is expressed by the preconfigured power factor Revision 13 04 2011 Page 16 of 63 SELCO A S SIGMA S6000 IO P Module Level GENMAXCUR PF 100 TAct or Act or Act 3 2 1 3 Active Phase Load The components of active loads will be calculated as shown below active load mode P UjnxI xCosg P2 U2xbxCoso P3 U3nx h x Cos q The trip level is defined as a percentage of the generators phase capacity Note that the reference is expressed by the preconfigured power factor revet POMO cenmaxcur Pr V3 P or P or P gt 100 3 2 1 4 Sum Active Load The sum of active loads will be calculated by the sum of the individual active load components P P P P3 Ujn x li x Cos q Uan x L x Cos q Uzn x k x Cos q The trip level is configured as a percentage according to the generators capacity Note that the reference is expressed by the preconfigured power factor Lever 3 POR cenusicur Pr V3 P 100 3 2 1 5 Current The S6000 module will measure each component of currents as follows current mode L Lb h The trip level is defined as a percentage of the generators maximal current in one phase Level GENMAXCUR 100 I orl orl The trip level is configured as a percentage according to nominal frequency the ge
26. LOAD or CUR WRITE LOADTRIP NEI PARAM lt Choice gt The trip level of the NEI trip function is expressed in one of four different ways The mode of operation depends on setting of the parameter choice described above or the previously explained load calculation parameter and the mode set by the function mode parameter single phase or sum 1 According to the generators nominal frequency The 100 reference is the rated frequency RATEDFREQ 2 According to the generators maximum active current in a single phase The 100 reference is the generators maximum current in one phase GENMAXCUR 3 According to the generators maximum active load on one phase The 100 reference is the primary phase neutral voltage multiplied by the generators maximum current PRIMVOLT v3 4 According to the generator sum load as indicated on the kVAr meter The 100 reference is the sum of the nominal phase neutral voltages multiplied by the generators maximum current GENMAXCUR in one phase PRIMVOLT i GENMAXCUR Revision 13 04 2011 Page 47 of 63 SELCO A S SIGMA S6000 IO P Module The level is set by the following command The level can be set between 20 and 150 Resolution is 1 WRITE LOADTRIP NEI LEVEL lt Level gt The NE1 function will automatically reset by hysteresis provided that the NE1 relay has been configured for non latching operation The hysteresis has no effect when the NEI relay is configured for
27. NAOUT OUT1 VOLTMIN lt value gt WRITE ANAOUT OUT1 VOLTMAX lt value gt Likewise for the current output WRITE ANAOUT OUT1 CURMIN lt value gt WRITE ANAOUT OUT1 CURMAX lt value gt 7 8 2 Analogue Output 2 The first parameter to set is the indicated parameters among all the available measured and calculated parameters Revision 13 04 2011 Page 56 of 63 SELCO A S SIGMA S6000 IO P Module The indicated parameter is set by the following command The choice can be any one of the following parameters U12 U23 U31 UIN U2N U3N I I2 13 IA1 IA2 IA3 P1 P2 P3 P IR1 IR2 IR3 Q1 Q2 Q3 Q PF1 PF2 PF3 PF VA1 VA2 VA3 VA F Default is Q WRITE ANAOUT OUT2 SRC lt Choice gt The output signal is set by the following command The choice can be either voltage or current VOLT or CUR WRITE ANAOUT OUT2 SIGNAL lt Choice gt The next two commands scale the chosen parameter Default is 10 and 100 respectivly WRITE ANAOUT OUT2 SRCMIN lt value gt WRITE ANAOUT OUT2 SRCMAX lt value gt Finally the output signal must be scaled This can be done for either voltage or current depending on the choice made for the signal parameter Default settings are 1 to 10 VDC and 4 to 20 mA WRITE ANAOUT OUT2 VOLTMIN lt value gt WRITE ANAOUT OUT2 VOLTMAX lt value gt Likewise for the current output WRITE ANAOUT OUT2 CURMIN lt value gt WRITE ANAOUT OUT2 CURMAX lt value gt 7 8 3 Analogue Output 3 The
28. OLTAGE INPUTS plug in terminal unless you are absolutely sure that power source is off e g the generator is stopped and blocked against starting Voltages above 690 VAC are supported through use of external transformers PT s When using PT s it is important to ensure that the PT s do not affect the phase of the voltage measurement Phase shift in the PT s will directly affect the calculation of the power factor and thereby the calculation of active and reactive current load The S6000 measures the individual phase phase voltage between phases L1 and L2 L2 and L3 and L3 and L1 Phase neutral voltages are also measured on 4 wire sources while on 3 wire sources the phase neutral voltages are estimated based on the assumption that loads are distributed equally among the three phases Terminal Description Signal Connection L1 VOLTAGE INPUTS L1 AC voltage Generator phase L1 L2 VOLTAGE INPUTS L2 AC voltage Generator phase L2 L3 VOLTAGE INPUTS L3 AC voltage Generator phase L3 N VOLTAGE INPUTS N Neutral Generator Neutral optional The three phases of the source L1 L2 and L3 should be connected to L1 L2 and L3 of the VOLTAGE INPUTS plug in terminal Intermediate 2 A slow blow fuses should be inserted between the individual phases and the related voltage inputs It is very important that the phases are connected in the correct order Interchanging the phases will result in an incorrect pow
29. SA 17 3 22 NOn Essenitital Za dais 18 3 2 2 1 FLO QUENICY tc o dis i 18 3 2 2 2 ACTIVE PARA a ti 18 3 2 2 3 IANA ASA EOTS MAE EE Ai 18 3 2 2 4 SETA ASN EA A E E EE E 19 3 2 2 5 CURE NE AEA EE A EAEE e E EEEE E 19 3 3 Anal COU US e E A E ENGS 19 34 Data Acquisition 21 Ai System Preparation at ES 22 4 1 CAN Bus AddreS Sci aa eaisea eesti 22 a Instalan A A A A AE ITEE ita 23 A 801011 CON CP oo SO O osasvasecadedh oles A SEET ASAE AN 24 6 1 POWER SPP usina id ci alt 24 611 Primary SUP eaters stusa e A teat deta Moves 24 GA2 Backup Supply rreren an eteni np A a 25 62 a Voltage put tds tatiana 25 6 3 Current Lint uni ida 26 Revision 13 04 2011 Page 2 of 63 SELCO A S SIGMA S6000 IO P Module 6 4 O E E Shed aus E 27 Ge T O EE T ETE 28 Geddy C B Salen a O ES 28 6 5 27 NE Res ennenen oea e ne aE a da 28 66 CIB enna iia 28 6 7 Relay Contacisusainin in ad ita 29 id NE eid te op Sass cided pee eu anttc e Sarto a apm heat cea sa wn tes ase glanaa aaa teamed sade vic E R 29 6 1 2 NEZ iaa 29 GLI AlAT dida 29 6 8 Analogue QUU anir a a eg eas a an pn a a a eee 29 6 9 C B Tip AS COM a a 30 6 9 1 SHAH CUr Cut nenaon ada 31 6 9 2 OVER CUEN oat enea ina 31 0 9 3 A a E A TE AE EEE E E E E E eee 31 004 RENCIA PON AEE E E A 31 6 9 5 EXC LA a E e E ES EAEAN a EAEE RaT 31 6 9 6 Generator ov f voltage enosis esi aan 32 6 9 7 Generator undervoltage me a e r a r ETE A a A ee 32 6 9 9 Generator over treguency iee a ne
30. SELCO SIGMA 56000 IO P Module User s Manual Revision 13 04 2011 SELCO A S Betonvej 10 DK 4000 Roskilde Denmark Phone 45 7026 1122 Fax 45 7026 2522 e mail selco dk selco com Web site www selco com SELCO A S SIGMA S6000 IO P Module Table of Contents A NA 5 2 Isolation and Grounding iii A rs 6 Dee SA A AN 7 3 1 Prot e e ld Sess 7 SL Short ED e h E EAE O A dere 7 Sa ON CU e o a Se MEINERS e o os e 8 dl SA Overload AAA aa aa dice aaa oneaeds elie teas a a r anat 9 3 1 3 1 Active Phase Curtis aos 9 3 1 3 2 Active Phasekodd MERET E EE E E E A E AA ata as AEE 10 3 1 3 3 Sum Active Load nic ss 10 Beli Reverse POWELL E EA RADON ou IT o oth 10 3 1 4 1 Active Phase OEE AAE AEE E E EE OENE avon el buukel pane bebe ieee 11 3 1 4 2 Ac Plains 11 3 1 4 3 So A A cis E E E EEE OEE EEEE sen dendeeved eds 11 BAD DEX CitatiOm Ostia ltda a 12 3 1 5 1 Reactive Phas Currents cieieo a nese Bs eee ee Bo ee T N 12 3 1 5 2 Reactive Phase Lordi nde Ae on delia oe dde de nae Sieh ol do Bete Add hia ek 13 3 1 5 3 SUM Reactive A TN 13 3 1 6 Voltage Estable did CAS 13 Sloe Freg enc Establishment o e toate 14 2 AS A RE E 15 32 1 NonsBsse ntvial Via A co dash deeb E AS ede do AS E AA av de IA 16 3 2 1 1 FO QUCDICY eiai a de ibd dys obebane duets N E E hageh E E RONS 16 3 2 1 2 AC Ve Phase Current niia conve Ral A A A ee ee 16 3 2 1 3 Active Phase Lord A ER PER 17 3 2 1 4 SUM Acuve Odin A A ad O 17 3 2 1 5 CUA A A
31. a E 47 LIL NomEssential Lia pol E E dao amet 47 7 5 1 1 Following applies for firmware levels up to 3 2 56 esssessesssseseseeesesreeresrerrsstsrenrrsreerrseerrssrerrsrerrese 47 7 5 1 2 Following applies for firmware levels from 3 2 57 esssssessersssesrssresesreeresrrrrsserrestesreereseerrnseerrerereese 48 7 5 2 NOE ne db 50 7 5 2 1 Following applies for firmware levels Up to 3 2 Ot oococccccccoccconoconoconocononononononnnonncnnn cnn nnnnnnnncnnecn recono 50 7 5 2 2 Following applies for firmware levels from 3 2 57 eescesccessceceseeeeseeceseeeenceceseeeeneeceseeeeneeceteeeeneeees 51 7 6 WO and Relays reen ereere aa a EEE a aa boned atavasaceepeadeaauacaeaa A DA TE 53 T 6 L Alarm Relay FUNC rr sia 53 16 2 CB Tip Relay iii dd e E E a aaae 53 TOS TINE SPP Re a a SARS 53 TOA NEZ TAP RELAY a a E A E noses epee oes 54 1 0 5 Unload tipene i e E en 54 1 6 6 AUXI ary OUtP tS er A toa 54 7 1 Open collector protection Outputs a 55 7 8 ARAS UL PUUS q AS A IS A IS 56 7 8 1 Analogue Output Livin da cier 56 T 5 2 JAMAL WS MOSUL Zo asia 56 Toa AMAS CS Outpt 3r LS aang ve ede wa ta sich is Douala asia 57 7 9 ROO A io a 58 7 10 Restoring to factory default configuration accesses ccssscuiien inte RA 59 S Specification S ai 60 Revision 13 04 2011 Page 4 of 63 SELCO A S SIGMA S6000 IO P Module 1 Preface The SELCO SIGMA S6000 IO P module provides integrated protection load shedding and programmable analogue
32. bilisation function of the partner S6100 module if installed 7 2 2 Generator Maximum Current The S6000 must be able to determine the capacity of the power source The capacity is calculated through use of the primary voltage and the maximum current in one phase The maximum current of the power source can be calculated based on the following formula The formula is based on the kVA og kW rating and the primary phase phase voltage PRIMVOLT V3 GENCAP 3 GENMAXCUR Coso GENCAP The default settings are done using a power source of 42 kVA with a primary phase phase voltage of 400 V AC In this case the power factor PF is set to 1 00 Thus the calculations would be as follows GENMAXCUR GENMAXCUR GENCAP x Penn x3 GENMAXCUR O 60 64 ea The example above illustrates that the maximum current in one phase at full load at PF 1 00 is 60 6 A The generator maximum current could also have been derived form the generators kW rating 33 6 kW at PF 0 8 Another example is a generator defined by a capacity of 3 x 130 kW at PF 0 8 GENMAXCUR eeu 234 54A e Revision 13 04 2011 Page 37 of 63 SELCO A S SIGMA S6000 IO P Module The maximum current is set by the following command The resolution is 100 mA WRITE SYS GENMAXCUR lt generator maximum current gt The maximum current is used as 100 references for short circuit and over current protection The paramete
33. city of the generator Thus 100 will be calculated as follows 100 3 MMF cexmaxcur V3 100 ree 100 Pmax P max 42 kW The parameter minimum level of the parameter is set to 2 in order for the output to indicate a small amount of reverse power Thus the 2 will be calculated as follows a en Pux 100 400 i 2 gt 4 sos9 j 100 840 W The output is then configured for DC voltage and the minimum and maximum levels are set Minimum voltage is set to 2 000 VDC and maximum voltage is set to 10 000 VDC The result is that the output will provide a voltage of 2 000 VDC at 840 W and 10 000 VDC at 42kW load Revision 13 04 2011 Page 20 of 63 SELCO A S SIGMA S6000 IO P Module 3 4 Data Acquisition The S6000 module measures the voltage between all three phases of the power source Phase neutral voltages can also be measured provided that the module has connection to neutral Furthermore the module will measure the current flowing through each of the three phases The S6000 module uses these measurements to calculate the remaining parameters which are necessary to protect control and monitor the operation of the power source The measured and calculated parameters can be read from the RS485 serial communication interface The communication protocol is MODBUS RTU a simple request answer based protocol The IO P module operates as a MODBUS slave and provides the information
34. cording to specifications The MODBUS slave address is set by the following command WRITE RS485 ADDRESS lt Addr gt The data transmission rate is defined by the baud rate which is set as follows WRITE RS485 BAUDRATE lt Baudrate gt The parity can be set by the following command WRITE RS485 PARITY lt Parity gt The number of data bits is set as follows WRITE RS485 DATABITS lt Databits gt The number of stop bits is set as follows WRITE RS485 STOPBITS lt Stopbits gt In case the data from the MODBUS master is send irregular compared to MODBUS specification it is possible to adjust a delay for detection of the end of the MODBUS frame send by the master Following command is used for that WRITE RS485 TXDELAY 0 2552 0 The range is between 0 and 2552ms Default is Oms In case the frames send by the MODBUS master comply with the MODBUS specifications it is not necessary to change this parameter it can remain in default setting Revision 13 04 2011 Page 58 of 63 SELCO A S SIGMA S6000 IO P Module 7 10 Restoring to factory default configuration The factory default configuration can be restored at any time by issuing the command WRITE SYS SETUPDEFAULT YES The default configuration is then restored after the power to the module has been turned off and on Revision 13 04 2011 Page 59 of 63 SELCO A S SIGMA S6000 IO P Module 8 Specifications Primary Supply Backup Supply Environmental temperature ra
35. e is the generators maximum current in one phase GENMAXCUR WRITE LOADTRIP NE2 CUR ENABLED lt Choice gt The Choice can be YES or NO The level is set by the following command The level can be set between 20 and 150 Resolution is 1 WRITE LOADTRIP NE2 CUR LEVEL lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NE2 CUR DELAY lt Delay gt The NE2 function will automatically reset by hysteresis provided that the NE2 relay has been configured for non latching operation The hysteresis has no effect when the NE2 relay is configured for latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NE2 CUR HYST lt Level gt NE2 trip on low frequency Hz This activates the NE2 trip function on low frequency The 100 reference is the rated frequency RATEDFREQ of the generator WRITE LOADTRIP NE2 FREQ ENABLED lt Choice gt Revision 13 04 2011 Page 52 of 63 SELCO A S SIGMA S6000 IO P Module The level is set by the following command The level can be set between 20 and 150 Resolution is 1 WRITE LOADTRIP NE2 FREQ LEVEL lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NE2 FREQ DELAY lt Delay gt The NE2 function will automatically reset by hysteresis pr
36. e trip level is configured as a percentage according to the nominal phase phase voltage specified within the system configuration Lower Level NOMVOLT 100 U orU 0rU Revision 13 04 2011 Page 13 of 63 SELCO A S SIGMA S6000 IO P Module And Upper Level NOMVOLT UisorU orl 100 The open collector output is activated after the pre alarm delay has passed 1f configured The trip signal will be issued if the critical level is exceeded continuously for the duration of the main delay Both delays are configured in seconds The VE LED provides localized status information while the VE open collector output can be used for remote signalling The voltage protection can be configured for manual reset default or auto reset Manual reset means that the voltage trip must be manually reset before the circuit breaker can be closed again Auto reset means that the protection alarm disappears when the over under voltage situation 1s cleared The generator can then reclose to the bus bar immediately The voltage protection includes an override possibility Override means that a protection function will no longer trip the breaker but only give an alarm This is required for shaft generators in PTH mode and some emergency generator applications Shaft Generator in PTH mode Configure Powersource to Shaft Generator Enable override in the configuration and activate input 4 of the Auxiliary I O connector Input 4 connected t
37. ection to neutral The S6000 can only measure the exact phase neutral voltages if the N terminal of the VOLTAGE INPUTS plug in connector has connection to neutral Without neutral connection phase neutral voltages are estimated based on the assumption that the loads are balanced among the three phases Neutral connection is only possible on star coupled generators which are typically used in land application Triangle couple generators which are typically used in marine application do not provide a neutral connection Whether or not the S6000 module has connection to neutral is set by the following command The choice can be YES or NO WRITE SYS NEUTRAL lt Choice gt Revision 13 04 2011 Page 38 of 63 SELCO A S SIGMA S6000 IO P Module The existence of a neutral connection will affect the way that the S6000 calculates active and reactive loads 7 2 6 Load Calculation The S6000 module can operate with or without connection to neutral e g with star or triangle coupled generators The existence of a neutral connection will determine how the S6000 module can calculate active and reactive load The calculation of active and reactive power expressed in Watt and VAr in each individual phase depends upon exact phase neutral voltage measurements on all three phases Exact measurement of phase neutral voltages requires a fixed connection to neutral Assumptions that phase phase voltage equals phase neutral voltage multiplied by
38. ector of the first RS485 slave and on the master The maximum cable length is 1000 meters The cable type should be 0 25 0 34 mm AWG23 AWG22 Wires for A and B must be twisted twisted pair 6 11 CAN Bus The CAN bus is the backbone of the SIGMA system The CAN bus carries all the measured and calculated parameters between the modules Terminal Description Signal Connection 1 COM Common reference Reference of the CAN bus 2 CANL CAN Lo data CAN Lo signal of the CAN bus 3 E E 4 CAN H CAN Hi data CAN Hi signal of the CAN bus 5 E a y Terminals 3 and 5 are not used The CAN L CAN H and COM wires starts at one end of the total network a termination resistor of 124 Ohm is connected between CAN L and CAN H preferably directly on the CAN bus plug in connector The cable is connected form SIGMA module to SIGMA module without T connections On the other end of the cable again a 124 Ohm terminator resistor is connected between the CAN lines Revision 13 04 2011 Page 33 of 63 SELCO A S SIGMA S6000 IO P Module The maximum cable length is 40 meters The cable type should be 0 25 0 34 mm AWG23 AWG22 Wires for CAN Lo and CAN Hi must be twisted twisted pair The cable should be shielded The shield must only be connected to chassis ground at one end Every SIGMA module of the installation must be connected to the same CAN bus network Third party CAN nodes may not be connected
39. ed either due to connection of the circuit breaker or a sync time out or C B close fault 7 7 Open collector protection outputs The open collector protection outputs are placed on the C B TRIP CAUSE amp GND connector of the S6000 Module These outputs can be used for external indication of alarms On earlier firmware versions before 071112 these outputs were fixed terminal 1 SC terminal 2 OC terminal 3 OL terminal 4 RP terminal 5 EL terminal 6 VE From FW 071112 the functions of these outputs can be configured It is possible to assign more than one function to one output thus it is possible to configure common alarms Each function has one command line The function can be set by the command line followed by a choice The choice can be OFF for deactivation of this function or the output number OFF OC1 OC2 OC3 OC4 OCS OC6 WRITE OCPROTOUT SC OFF OCI OC2 OC3 OC4 OC5 OC6 OC1 WRITE OCPROTOUT OC OFF OCI OC2 OC3 OC4 OC5 OC6 OC2 WRITE OCPROTOUT OL OFF OCI OC2 OC3 OC4 OC5 OC6 OC3 WRITE OCPROTOUT RP OFF OCI OC2 OC3 OC4 OC5 OC6 OCA WRITE OCPROTOUT EL OFF OCI OC2 OC3 OC4 OC5 OC6 OC5 WRITE OCPROTOUT VEUPPER OFF OCI OC2 OC3 OC4 OC5 OC6 OC6 WRITE OCPROTOUT VELOWER OFF OCI OC2 OC3 OC4 OC5 OC6 OC6 WRITE OCPROTOUT FEUPPER OFF OCI OC2 OC3 OC4 OC5 OC6 OC6 WRITE OCPROTOUT FELOWER OFF OCI OC2 OC3 OC4 OC5 OC6 OC6 WRITE OCPROTOUT BUSVEUPPER O
40. efault or auto reset Manual reset means that the over current trip must be manually reset before the circuit breaker can be closed again Auto reset means that the protection alarm disappears when the over current situation is cleared usually after C B trip The generator can then reclose to the bus bar immediately The overcurrent protection includes an override possibility Override means that a protection function will no longer trip the breaker but only give an alarm This is required for shaft generators in PTH mode and some emergency generator applications Shaft Generator in PTH mode Configure Powersource to Shaft Generator Enable override in the configuration and activate input 4 of the Auxiliary I O connector Input 4 connected to com gt PTH mode active input 4 open gt PTH mode deactivated Revision 13 04 2011 Page 8 of 63 SELCO A S SIGMA S6000 IO P Module Emergency Generator Configure Powersource to Emergency Generator and enable override in the configuration 3 1 3 Overload The overload protection function OL protection can be enabled or disabled If enabled the OL protection will trip the circuit breaker in case of excessive active current or active load The configuration determines the mode of operation active current or active load However the active load modes are only available when the S6000 module has connection to neutral and is configured to measure active load as Watt as opposed to Ampe
41. en 100 and 1000 ms Resolution is 1 ms WRITE PROTECT SC PDELAY lt Delay gt 7 4 2 Over Current The over current protection function can be enabled or disabled by the following command The choice can be either YES or NO WRITE PROTECT OC ENABLED lt Choice gt The trip level of the over current function is expressed as a percentage according to the generators maximum current GENMAXCUR in a single phase The trip level is set by the following command The level can be set between 50 and 200 Resolution is 1 WRITE PROTECT OC LEVEL lt Level gt The delay is expressed in seconds and can be set between 0 1 and 30 0 s Resolution is 100 ms WRITE PROTECT OC DELAY lt Delay gt The pre alarm delay is expressed in seconds and can be set between 0 1 and 30 0 s Resolution is 100 ms WRITE PROTECT OC PDELAY lt Delay gt Revision 13 04 2011 Page 40 of 63 SELCO A S SIGMA S6000 IO P Module The over current protection can be configured to auto reset Auto reset means that the circuit breaker can reclose immediately after the protection trip provided the trip cause has disappeared If auto reset is not activated the protection function must be reset before the circuit breaker can be reclosed WRITE PROTECT OC AUTORESET lt Choice gt The choice can be either YES or NO Default is NO meaning that reset is required before re closure of the breaker The over current protection can be configured for override Override mea
42. er factor calculation and thereby incorrect calculation of active reactive current load It is very import that the three phases are connected to the corresponding terminals phase 1 to L1 phase 2 to L2 and phase 3 to L3 Connection of the neutral terminal terminal N is optional The neutral terminal terminal N is isolated from the remaining electronics of the module This means that the neutral terminal have no connection to the modules COM terminals The neutral terminal does have connection to terminal 1 3 and 5 of the CT INPUTS plug in terminal Revision 13 04 2011 Page 25 of 63 SELCO A S SIGMA S6000 IO P Module The VOLTAGE OK LED shows whether or not the voltage levels measured between each of the three phases are within limits The reference is the nominal phase phase voltage NOMVOLT The voltage levels are compared to the limits defined by the voltage OK window VOLTOKWND of the configuration The PHASE OK LED will ignite steady green light to indicate that the phase sequence is correct However the S6000 module is not able to verify that the each phase is connected to the correct terminal The S6000 module cannot detect the difference between L1 L2 L3 L3 L1 L2 and L2 L3 L1 The S6000 module can only verify that 120 degrees displacement exist between the three phases The PHASE OK LED requires a reasonable level of voltage to become operational The best way to ensure correct connection is to follow the wire al
43. er protection function can be enabled or disabled by the following command The choice can be either YES or NO WRITE PROTECT RP ENABLED lt Choice gt The trip level of the reverse power function is expressed in one of three different ways The mode of operation depends on the previously explained load calculation parameter and the mode set by the function mode parameter single phase or sum 1 According to the generators maximum active current in a single phase The 100 reference is the generators maximum current in one phase GENMAXCUR 2 According to the generators maximum active load on one phase The 100 reference is the primary phase neutral voltage multiplied by the generators maximum current PRIMVOLT V3 GENMAXCUR in one phase Revision 13 04 2011 Page 42 of 63 SELCO A S SIGMA S6000 IO P Module 3 According to the generator sum load as indicated on the kW meter The 100 reference is the sum of the nominal phase neutral voltages multiplied by the generators maximum current _PRIMVOLT V3 The level is set by the following command The level can be set between 0 and 20 Resolution is 1 3 GENMAXCUR WRITE PROTECT RP LEVEL lt Level gt The delay is expressed in seconds and can be set between 2 0 and 20 0 s Resolution is 100 ms WRITE PROTECT RP DELAY lt Delay gt The pre alarm delay is expressed in seconds and can be set between 2 0 and 20 0 s Resolution is 100 ms WRITE PROTECT RP PD
44. f auto reset is not activated the protection function must be reset before the circuit breaker can be reclosed WRITE PROTECT EL AUTORESET lt Choice gt The choice can be either YES or NO Default is NO meaning that reset is required before re closure of the breaker Revision 13 04 2011 Page 44 of 63 SELCO A S SIGMA S6000 IO P Module The excitation loss protection can be configured for override Override means that a protection function will not trip the breaker anymore but only give an alarm For using this function the override must be enabled for the relevant protection function AND either PTH or Emergency Generator Mode must be activated WRITE PROTECT EL OVERRIDE lt Choice gt The choice can be either YES or NO Default is YES override enabled 7 4 6 Voltage Establishment The voltage establishment protection function can be enabled or disabled by the following command The choice can be either YES or NO WRITE PROTECT VE ENABLED lt Choice gt The lower level of the voltage establishment function is expressed as a percentage according to the primary voltage PRIMVOLT The level is set by the following command The level can be set between 50 and 100 Resolution is 1 WRITE PROTECT VE LOWLEVEL lt Level gt The upper level of the voltage establishment function is expressed as a percentage according to the primary voltage PRIMVOLT The level is set by the following command The level can be set between 50 a
45. first parameter to set is the indicated parameters among all the available measured and calculated parameters The indicated parameter is set by the following command The choice can be any one of the following parameters U12 U23 U31 UIN U2N U3N I1 I2 13 IA1 IA2 A3 P1 P2 P3 P IR1 IR2 IR3 Q1 Q2 Q3 Q PF1 PF2 PF3 PF VA1 VA2 VA3 VA F Default is PF WRITE ANAOUT OUT3 SRC lt Choice gt The output signal is set by the following command The choice can be either voltage or current VOLT or CUR WRITE ANAOUT OUT3 SIGNAL lt Choice gt The next two commands scale the chosen parameter Default is O and 100 respectivly WRITE ANAOUT OUT3 SRCMIN lt value gt WRITE ANAOUT OUT3 SRCMAX lt value gt Revision 13 04 2011 Page 57 of 63 SELCO A S SIGMA S6000 IO P Module Finally the output signal must be scaled This can be done for either voltage or current depending on the choice made for the signal parameter Default settings are 0 to 10 VDC and 4 to 20 mA WRITE ANAOUT OUT3 VOLTMIN lt value gt WRITE ANAOUT OUT3 VOLTMAX lt value gt Likewise for the current output WRITE ANAOUT OUT3 CURMIN lt value gt WRITE ANAOUT OUT3 CURMAX lt value gt 7 9 RS485 The RS485 communication interface can be configured with regard to MODBUS slave address baud rate data bit parity and stop bits It is important to ensure that the address is unique on the bus and that the remaining parameters are set ac
46. generators maximal current in one phase Please note that the reference is expressed by the preconfigured power factor Level GENMAXCUR SIN Acos PF 100 I React or I Re act or I React 3 1 5 2 Reactive Phase Load The components of active loads will be calculated as shown below active load mode Qi Unxh xSng Q UnxhxSngo Q3 U3nx bx Sing The trip level is defined as a percentage of the generators phase capacity Please note that the reference is expressed by the preconfigured power factor pe Pomo V3 GENMAXCUR SIN Acos PF Q or O or O 100 3 1 5 3 Sum Reactive Load The sum of reactive loads will be calculated by the sum of the individual active load components Q Q Q Q3 Uin x L x Sin 0 Uxx X h x Sin 0 Uszy x k x Sin q The trip level is configured as a percentage according to the generators capacity Please note that the reference is expressed by the preconfigured power factor Lee GENMAXCUR SIN A cos PF Q 100 3 1 6 Voltage Establishment The voltage establishment protection function VE protection can be enabled or disabled If enabled the VE protection will trip the circuit breaker in case the phase phase voltages between any of the three phases becomes either too low or too high The VE protection will act on the lowest or the highest of the three phase phase voltage measurements depending on whether the low or the high level is passed Ur Ux Uz Th
47. ggering protection function will stay active until reset Reset is done by an external input C B RESET or from the optional S6500 S6600 or S6610 modules The main purpose of the S6000 module is to protect the power source by tripping the circuit breaker The circuit breaker is tripped through the built in C B trip relay The C B trip relay can be configured for normally de energized or normally energized operation 3 1 1 Short Circuit The short circuit protection function SC protection can be enabled or disabled If enabled the SC protection will trip the circuit breaker in case a short circuit is detected between any one of the three phases of the power source The SC protection will always act on the highest of the three currents measured among the three phases L b hk The trip level is configured as a percentage according to the generator maximum current GENMAXCUR specified in the configuration The open collector output is activated after the pre alarm delay has passed if configured The trip signal will be issued if the critical level is exceeded continuously for the duration of the main delay Both delays are configured in milliseconds Level GENMAXCUR 100 Pedy E Revision 13 04 2011 Page 7 of 63 SELCO A S SIGMA S6000 IO P Module The SC LED provides local status information while the SC open collector output can be used for remote signalling The short circuit protection works in a similar way to the
48. give an alarm This is required for shaft generators in PTH mode and some emergency generator applications Shaft Generator in PTH mode Configure Powersource to Shaft Generator Enable override in the configuration and activate input 4 of the Auxiliary I O connector Input 4 connected to com gt PTH mode active input 4 open gt PTH mode deactivated Emergency Generator Configure Powersource to Emergency Generator and enable override in the configuration 3 2 Load Shedding The IO P module includes load shedding load depending trip of non essential loads on two independent levels The load shedding function can be configured to operate either on low frequency high load or high current The two load shedding functions can be configured individually with regard to trip level delay relay function and mode of operation When in load or current mode the two load trip functions operate much like definite time protection functions e g the OL protection function Two front folio LEDs one dedicated to each load trip function provide information on the status of the load shedding system A load trip LED will start flashing the moment the trip level of the related function is exceeded to indicate level pick up The LED will continue flashing while the parameter remains within the critical area provided that the delay has not passed The dedicated relay is tripped and the LED changes to steady light if the parameter stays inside the cri
49. guration Debugging or firmware update ANSI terminal 1200 2400 4800 9600 or 19200 baud None even or odd 7or8 lor2 Screw terminals 2 wire isolated MODBUS RTU 1 to 254 1200 2400 4800 9600 or 19200 baud None even or odd 7or8 lor2 EN 50081 2 1993 Generic Residential commercial amp light industry EN 50263 1999 Product Measuring relays and protection equipment EN 60945 1997 Marine Navigation and radio comm equipment and systems IACS E10 1997 IACS unified environmental test specification Plug in screw terminals spring terminals available as option 145 x 190 x 64 5 mm H x W x D 1150 g Screw mounting 4 pcs 4 2 x 12 mm The specifications are subject to change without notice Revision 13 04 2011 Page 63 of 63
50. ion for a three phased power source 3 1 Protection The S6000 module includes a total of six programmable definite time protection functions Each one of these six protection functions can be configured with a trip level a delay and mode of operation Selected protection functions include two trip levels low and high The protection operates on RMS readings sampled over one or four periods depending on the rated frequency Six LED s on the front one dedicated to each protection function provides visual information on the status of the integrated protection system A protection LED will start flashing the moment the trip level of the related protection function is exceeded to indicate level pick up The LED will continue flashing while the delay is counting provided that the parameter stays within the critical area The C B Trip relay trips if the level is exceeded for the full duration of the delay in which case the protection LED will change to steady light Otherwise the delay is automatically reset and the LED is turned off A dedicated digital output open collector is provided for each of the six protection function Each open collector output can be configured to operate as a pre alarm for the related protection function Alternatively the outputs are simply activated when the circuit breaker is tripped to indicate the cause The function depends on whether or not the pre alarm delay has been configured The LED and output of a tri
51. ion of Neutral is required for this see 7 2 6 the limit is the generator load in all 3 phases as indicated on the kW meter The 100 reference is the sum of the nominal phase neutral voltages multiplied by the generators maximum current GENMAXCUR rated cos y in any phase 3 PRIMVOLT V3 The non essential 2 trip function for active power can be enabled or disabled for tripping on load by the following command GENMAXCUR rated cos y Revision 13 04 2011 Page 51 of 63 SELCO A S SIGMA S6000 IO P Module WRITE LOADTRIP NE2 LOAD ENABLED lt Choice gt The Choice can be YES or NO The level is set by the following command The level can be set between 20 and 150 Resolution is 1 WRITE LOADTRIP NE2 LOAD LEVEL lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NE2 LOAD DELAY lt Delay gt The NE2 function will automatically reset by hysteresis provided that the NE2 relay has been configured for non latching operation The hysteresis has no effect when the NE2 relay is configured for latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NE2 LOAD HYST lt Level gt NE2 trip on over current A This activates the NE2 trip function according to the generators maximum active current in any of the phases The 100 referenc
52. iously explained load calculation parameter and the mode set by the function mode parameter single phase or sum 1 According to the generators maximum active current in a single phase The 100 reference is the generators maximum current in one phase GENMAXCUR 2 According to the generators maximum active load on one phase The 100 reference is the primary phase neutral voltage multiplied by the generators maximum current PRIMVOLT V3 3 According to the generator sum load as indicated on the kVAr meter The 100 reference is the sum of the nominal phase neutral voltages multiplied by the generators maximum current GENMAXCUR in one phase _PRIMVOLT V3 The level is set by the following command The level can be set between 0 and 150 Resolution is 1 3 GENMAXCUR WRITE PROTECT EL LEVEL lt Level gt The delay is expressed in seconds and can be set between 2 0 and 20 0 s Resolution is 100 ms WRITE PROTECT EL DELAY lt Delay gt The pre alarm delay is expressed in seconds and can be set between 2 0 and 20 0 s Resolution is 100 ms WRITE PROTECT EL PDELAY lt Delay gt The mode single phase or sum can be set by the following command The choice can be PHASE or SUM WRITE PROTECT EL MODE lt Choice gt The excitation loss protection can be configured to auto reset Auto reset means that the circuit breaker can reclose immediately after the protection trip provided the trip cause has disappeared I
53. ition NE2 remote trip 5 NE2 2 Relay contact Signal source 6 NE2 3 Relay energized position NE2 remote trip 7 ALARM 1 Relay de energized position ALARM signal 8 ALARM 2 Relay contact Signal source 9 ALARM 3 Relay energized position All OK signal 6 7 1 NEI The NEI relay has two contact sets and the relay is by default configured for normally de energized operation The NE1 relay can be reconfigured for normally energized operation 6 7 2 NE2 The NE2 relay has two contact sets and the relay is by default configured for normally de energized operation The NE2 relay can be reconfigured for normally energized operation 6 7 3 Alarm The ALARM includes two contact sets The alarm relays can only operate as a normally energized relay This is to ensure that the ALARM relay will trip in case both supplies fail 6 8 Analogue Outputs Three analogue outputs are provided on board of the S6000 module The analogue outputs are intended for use with third party meters or measuring equipment Each of the three outputs can be individually configured to provide a DC voltage or current signal in relation to any one of the measured or calculated parameters provided by the S6000 module Each analogue output can be configured to provide a DC voltage within the range of 10 to 10 V DC or a DC current within the range of 0 to 20 mA All three outputs are isolated from each other and from the remaining electronics of the module This means that the refere
54. ive Load The sum of active loads will be calculated by the sum of the individual active load components P Pi P2 P3 Uin x li x Cos q Uan x L x Cos q Uzy x k x Cos q Revision 13 04 2011 Page 11 of 63 SELCO A S SIGMA S6000 IO P Module The trip level is configured as a percentage according to the generators capacity Please note that the reference is expressed by the preconfigured power factor Lever a MOMENT cennaxcur Pr P 100 3 1 5 Excitation Loss The excitation loss protection function EL protection can be enabled or disabled If enabled the EL protection will trip the circuit breaker in case of reverse reactive current or power which occurs if the generator looses its excitation The configuration determines the mode of operation reactive current or reactive load However the reactive load modes are only available when the S6000 module has connection to neutral and is configured to measure reactive load as VAr as opposed to Ampere The EL protection can either act on the lowest of the three parameters reactive current or load in each individual phase or it can act on the sum of reactive loads e g the load indicated on the switchboard kVAr meter The open collector output is activated after the pre alarm delay has passed if configured The trip signal will be issued if the critical level is passed continuously for the duration of the main delay Both delays are configured in seconds
55. l the way from the phase copper rail to the specific terminal within the VOLTAGE INPUTS plug in connector 6 3 Current Inputs The S6000 module measures current through external current transformers CT s The current through each of the three phases L1 L2 and L3 is measured independently using a separate CT for each phase The S6000 module is available in two different variants one is for 5 A CT s and one for 1 A CT s Please ensure that you have the correct variant of the module before proceeding with the installation The CT ratio should cover maximum current of the generator E g a 400A 5A CT can be used for a 42 kVA 400 VAC generator provided that the primary wire is looped through the CT 4 times This adapts the CT to 100A 5A which covers the generators maximum current of 60 6 A The CT s must also be capable of coping with short circuit currents over short periods The three external CT s are connected to the CT INPUTS plug in terminal It is important to ensure that the direction of the current flow is correct The current flow is indicated by the S1 and S2 notation on the CT S1 of the CT s connects to terminal 2 4 and 6 respectively CONNECTION OF CURRENT TRANSFORMERS TO SIGMA CTs must not be earthed CTs must be used for the 6000 unit only do not connect external equipment co co 12 314 5 6 G1 6000 Revisio
56. lay intended for tripping the circuit breaker e g by the protection functions is on the C B plug in connector The built in C B trip relay has two contact sets and is normally energized by default Note that the C B trip relay can be reconfigured to be normally energized operation Terminal Description Signal Connection 1 C B TRIP 1 Relay de energized position Breaker remote trip 2 C B TRIP 2 Relay contact Signal source 3 C B TRIP 3 Relay energized position Breaker remote trip The C B trip relay connects to the remote trip control input of the generator circuit breaker Terminal 1 and 3 is typically not connected at the same time Only one of this signals are taken to the breaker depending on whether the C B trip relay is configured for normally energized or de energized operation Revision 13 04 2011 Page 28 of 63 SELCO A S SIGMA S6000 IO P Module 6 7 Relay Contacts The RELAY CONTACTS plug in connector includes the terminals for three built in relays The first to relays NE1 and NE2 are intended for trip of non essential less important loads The last relay is the general alarm relay that will de energize on system faults Terminal Description Signal Connection 1 NEI 1 Relay de energized position NEI remote trip 2 NEI 2 Relay contact Signal source 3 NEI 3 Relay energized position NE1 remote trip 4 NE2 1 Relay de energized pos
57. le is capable of operating on both or either one of the two supplies However an alarm will be raised if the backup supply fails Furthermore each supply will tolerate wide variations in the supply voltage as required by the marine classification societies The primary supply occupies terminal and 2 of the POWER SUPPLY plug in connectors while the backup supply occupies terminal 3 and 4 Terminal Description Signal Connection 1 PRIMARY SUPPLY 24 VDC Positive terminal of primary supply 2 PRIMARY SUPPLY 24 V DC Negative terminal of primary supply 3 BACKUP SUPPLY 24 V DC Positive terminal of backup supply 4 BACKUP SUPPLY 24V DC Negative terminal of backup supply The primary and backup supplies are isolated from each other and from the remaining electronics of the module This means that the supply reference terminals terminal 2 and 4 have no connection to the modules COM terminals The primary and backup supply is designed to cope with relative large voltage fluctuations as required by the marine classification societies However please note that some marine classification societies require that the S6000 module is powered by the generators voltage This is easily done through adding an auxiliary 24 V DC supply powered by the generator voltage Please make sure that the auxiliary supply is able to cope with the power demand 6 1 1 Primary Supply The switch board 24 V DC power supp
58. lized status information while the NE2 relay can be used both for load trip and remote signalling The NE2 relay can be configured for latching or non latching operation 3 3 Analogue Outputs The IO P module includes three analogue outputs for remote signalling Each output can be configured to provide information on any one of the parameters which are measured and calculated by the S6000 module This makes it possible to retrieve e g the active load or the power factor as an analogue DC voltage or a current signal Revision 13 04 2011 Page 19 of 63 SELCO A S SIGMA S6000 IO P Module Apart from the desired parameter it is necessary to configure the required range of the output signal which is limited by a maximum operating range of the electronic design the physical output The analogue output operates with two sets of minimum maximum boundaries One set defines the range of the indicated parameter while the other set defines the range of the output signal DC voltage or current The function of the minimum ranges can be described by example The example illustrates a case where the output is configured to signal active power P as a DC voltage between 2 000 and 10 000 VDC The nominal phase phase voltage is 400 0 VAC and the generator max current is 60 62 A The first thing to do is to set the maximum level of the chosen parameter in this case P The maximum level of the parameter is set to 100 which equals the capa
59. ll three phase phase voltage measurements are within the limits defined by the voltage window The voltage window is configured by the following command The resolution is 1 WRITE SYS VOLTOKWND lt Voltage Window gt Revision 13 04 2011 Page 39 of 63 SELCO A S SIGMA S6000 IO P Module 7 4 Protection The protection functions are typically set up by a set point trip level and a delay The trip level is expressed in percent so it is important to understand how the 100 reference is calculated This is described in the function section of this manual Each one of the protection functions can be enabled or disabled as desired The parameters of a given protection function has no influence on the system if the function is disabled 7 4 1 Short Circuit The short circuit protection function can be enabled or disabled by the following command The choice can be either YES or NO WRITE PROTECT SC ENABLED lt Choice gt The trip level of the short circuit protection function is expressed as a percentage according to the generators maximum current GENMAXCUR in a single phase The trip level is set by the following command The level can be set between 100 and 400 Resolution is 1 WRITE PROTECT SC LEVEL lt Level gt The delay is expressed in milliseconds and can be set between 100 and 1000 ms Resolution is 1 ms WRITE PROTECT SC DELAY lt Delay gt The pre alarm delay is expressed in milliseconds and can be set betwe
60. lose to the bus bar immediately The reverse power protection includes an override possibility Override means that a protection function will no longer trip the breaker but only give an alarm This is required for shaft generators in PTH mode and some emergency generator applications Shaft Generator in PTH mode Configure Powersource to Shaft Generator Enable override in the configuration and activate input 4 of the Auxiliary I O connector Input 4 connected to com gt PTH mode active input 4 open gt PTH mode deactivated Emergency Generator Configure Powersource to Emergency Generator and enable override in the configuration 3 1 4 1 Active Phase Current The S6000 module will calculate each component of active currents as follows active current mode TAct I x Cos IAct Lx Coso IAct I x Cos q The trip level is defined as a percentage of the generators maximal current in one phase Please note that the reference is expressed by the preconfigured power factor Level GENMAXCUR PF 100 Lien OF lacr OF Lace 3 1 4 2 Active Phase Load The components of active loads will be calculated as shown below active load mode P Umyx xCosq P2 U2xbxCoso P3 U3nx h x Cos q The trip level is defined as a percentage of the generators phase capacity Please note that the reference is expressed by the preconfigured power factor rever POOL cenmaxcur Pr V3 P or P or P 100 3 1 4 3 Sum Act
61. ls up to 3 2 56 The non essential 2 load trip function can be enabled or disabled by the following command The choice can be either YES or NO WRITE LOADTRIP NE2 ENABLED lt Choice gt The function can be configured to trip on either low frequency under frequency on high load measured as active current or load or on high current The selection is done by the following command The choice can be FREQ LOAD or CUR WRITE LOADTRIP NE2 PARAM lt Choice gt The trip level of the NE2 trip function is expressed in one of four different ways The mode of operation depends on setting of the parameter choice described above or the previously explained load calculation parameter and the mode set by the function mode parameter single phase or sum 1 According to the generators nominal frequency The 100 reference is the rated frequency RATEDFREQ 2 According to the generators maximum active current in a single phase The 100 reference is the generators maximum current in one phase GENMAXCUR 3 According to the generators maximum active load on one phase The 100 reference is the primary phase neutral voltage multiplied by the generators maximum current PRIMVOLT V3 4 According to the generator sum load as indicated on the kVAr meter The 100 reference is the sum of the nominal phase neutral voltages multiplied by the generators maximum current GENMAXCUR in one phase Revision 13 04 2011 Page 50 of 63 S
62. ly system is typically used as the source of the primary supply The front folio Primary Supply LED illuminates with a steady green light to indicate that the supply voltage is OK and within the limits of safe operation A failure of the primary supply will cause the Primary Supply LED to turn off after a brief delay Revision 13 04 2011 Page 24 of 63 SELCO A S SIGMA S6000 IO P Module 6 1 2 Backup Supply The engine starter battery or the switch board 24 V DC backup power supply system is typically used as the source of the backup supply The front folio Backup Supply LED illuminates with a steady green light to indicate that the supply voltage is OK and within the limits of safe operation A failure of the backup supply will cause the Backup Supply LED to turn off after a brief delay and the ALARM relay to de energize 6 2 Voltage Inputs The AC voltages connect to the VOLTAGE INPUTS plug in terminal The S6000 module supports both 3 wire and 4 wire power sources Triangle coupled alternators without neutral are considered 3 wire sources while star coupled alternators with neutral are considered 4 wire sources As an example land based generators are typically equipped with the 4 wire alternators while marine based generators typically use 3 wire alternators The voltage inputs can operate with high voltage up to 690 VAC nominal so precaution must be taken to avoid electrical shock and personal injury Do not touch the V
63. me Therefore in PTH mode it is necessary to disable the reverse power and excitation loss protection of the shaft generator This can be done by activating PTH mode connection of terminal 4 of the Auxiliary I O connector of the shaft generator S6000 to COM This will override the reverse power and the excitation loss protection provided OVERRIDE is enabled in the configuration for these functions The powersource must be configured to Shaft Generator for this function Revision 13 04 2011 Page 34 of 63 SELCO A S SIGMA S6000 IO P Module 6 12 3 2 Emergency Generator in Harbour Mode This function is intended for emergency generators that are periodically used as harbour generators For this the Powersource must be configured to Emergency Generator When configured as emergency generator all protection functions marked with override will not give circuit breaker trip but only alarm In case the emergency generator is used as harbour generator this override is to be disabled meaning that the protection functions should trip the breaker This can be done by activating harbour mode Harbour mode is activated by connecting terminal 4 of the Auxiliary I O connector of the emergency generator S6000 to COM 6 12 4 Abnormal Trip In case this input is activated connected to COM a trip signal will be send to the C B from the C B trip relay An abnormal trip will be treated by the Power Management like any other protection trip Therefore
64. mmand The choice can be set to either YES or NO WRITE PROTECT FE ENABLED lt Choice gt The lower trip level is expressed in percent without decimals The trip level refers to the nominal phase phase voltage The lower trip level is set by the following command Resolution is 1 WRITE PROTECT FE LOWLEVEL lt Level gt The upper trip level is expressed in percent without decimals The trip level refers to the nominal voltage The upper trip level is set by the following command Resolution is 1 WRITE PROTECT FE UPLEVEL lt Level gt The lower delay is expressed in seconds and can be set between 1 and 30 s Resolution is 0 1s Default is 2 0s WRITE PROTECT FE LOWDELAY lt Duration gt The upper delay is expressed in seconds and can be set between 1 and 30 s Resolution is 0 1s Default is 2s WRITE PROTECT FE UPDELAY lt Duration gt The frequency protection can be configured to auto reset Auto reset means that the circuit breaker can reclose immediately after the protection trip provided the trip cause has disappeared If auto reset is not activated the protection function must be reset before the circuit breaker can be reclosed WRITE PROTECT FE AUTORESET lt Choice gt The choice can be either YES or NO Default is NO meaning that reset is required before re closure of the breaker The frequency protection can be configured for override Override means that a protection function will not trip the breaker anymore but
65. n Definite time Current highest of three phases I I or Is 50 to 200 of GMC 0 1 to 30 0 s on OC output 0 1 to 30 0 s C B Trip with feedback from C B State input Dedicated open collector output 200 mA Red OC LED on front folio shows pick up and trip By common C B reset input or UI Reset button By Configuration Definite time Active current highest of three phases Lactivets Lactivez OF LActive3 Active current highest of three phases Tactive1 gt Lactivez OF LActive3 Active power highest of three phases P P2 or P3 Sum active power P 15 to 150 of GMC 15 to 150 of GIV x GMC 2 0 to 20 0 s on OC output 2 0 to 20 0 s C B Trip with feedback from C B State input Dedicated open collector output 200 mA Red OL LED on front folio shows pick up and trip By common C B reset input or UI Reset button By Configuration Definite time Active current lowest of three phases Tactive1 gt Lactivez OF Lactives Active current lowest of three phases Iactivets Lactivez OF activez Active power lowest of three phases P4 P or P3 Sum active power P Trip level active current 0 to 20 of GMC Trip level active power 0 to 20 of GIV x GMC Revision 13 04 2011 Page 60 of 63 SELCO A S SIGMA S6000 IO P Module Pre alarm Delay Relay Output Indication Reset Execitation Loss On Off Control Characteristic Modes without neutral Modes with neutral Trip le
66. n 13 04 2011 Page 26 of 63 SELCO A S SIGMA S6000 IO P Module Both wires of each CT must be connected to the corresponding CT inputs S1 and S2 on the S6000 module External interconnection of the CT s should be avoided Grounding of the CT wires is not permitted as this could disturb the measurements in case of an earth fault Thus the connection is as follows Terminal Description Signal Connection 1 CT INPUTS 1 AC current S2 of the CT on phase L1 2 CT INPUTS 2 AC current S1 of the CT on phase L1 3 CT INPUTS 3 AC current S2 of the CT on phase L2 4 CT INPUTS 4 AC current S1 of the CT on phase L2 5 CT INPUTS 5 AC current S2 of the CT on phase L3 6 CT INPUTS 6 AC current S1 of the CT on phase L3 Make sure that the secondary side of the CT s is shorted make a connection between S1 and S2 before disconnection of the CT INPUTS plug in connector Failure to do so may cause damage to the CT s One side of the CT s terminals 1 3 and 5 are connected to a common point inside the S6000 module terminal N of the VOLTAGE INPUTS This means other equipment utilizing a similar scheme common connection of one side of the CT s cannot share CT s with the S6000 module Equipment that does not disturb the loop of the CT s e g like the SELCO T Line units can share the CT s with the S6000 module Please note that incorrect connection of the current transformers could resul
67. nces of the outputs have no connection to each other or to the common reference COM of the module The analogue outputs can be used for external indication on meters or to provide analogue readings to e g a PLC Terminal Description Signal Connection 1 ANALOG OUTPUT 1 VDC DC voltage External voltage input 2 ANALOG OUTPUT 1 mA DC current External current input 3 ANALOG OUTPUT 1 REF Reference isolated External reference 4 ANALOG OUTPUT 2 VDC DC voltage External voltage input Revision 13 04 2011 Page 29 of 63 SELCO A S SIGMA S6000 IO P Module 5 ANALOG OUTPUT 2 mA DC current External current input 6 ANALOG OUTPUT 2 REF Reference isolated External reference 7 ANALOG OUTPUT 3 VDC DC voltage External voltage input 8 ANALOG OUTPUT 3 mA DC current External current input 9 ANALOG OUTPUT 3 REF Reference isolated External reference It is important to note that each analogue output is protected against short circuit by an internal 10 kOhm resistor The resistor is placed in series on the output terminal The output resistor might affect the magnitude of the output signal if the internal resistance of the driven equipment is low The principle of voltage division applies between the output resistor and the internal resistance of the driven equipment Example equipment with an internal resistance of only 10 kOhm would reduce a 10 V DC output voltage to
68. nd 100 Resolution is 1 WRITE PROTECT VE UPLEVEL lt Level gt The delay is expressed in seconds and can be set between 1 and 30 s Resolution is 0 1 s Default is 2s WRITE PROTECT VE DELAY lt Delay gt The pre alarm delay is expressed in seconds and can be set between and 30 s Resolution is 0 1 s Default is 2s WRITE PROTECT VE PDELAY lt Delay gt The voltage protection can be configured to auto reset Auto reset means that the circuit breaker can reclose immediately after the protection trip provided the trip cause has disappeared If auto reset is not activated the protection function must be reset before the circuit breaker can be reclosed WRITE PROTECT VE AUTORESET lt Choice gt The choice can be either YES or NO Default is NO meaning that reset is required before re closure of the breaker The voltage protection can be configured for override Override means that a protection function will not trip the breaker anymore but only give an alarm For using this function the override must be enabled for the relevant protection function AND either PTH or Emergency Generator Mode must be activated Revision 13 04 2011 Page 45 of 63 SELCO A S SIGMA S6000 IO P Module WRITE PROTECT VE OVERRIDE lt Choice gt The choice can be either YES or NO Default is NO override disabled 7 4 7 Frequency Establishment The frequency establishment protection can be enabled or disabled This is done by the following co
69. nerator maximum current or the power sources active capacity The power source active capacity is calculated from the generator maximum current and the nominal phase phase voltage located within the system configuration The delay is configured in seconds The trip signal will be issued if the trip level is exceeded continuously for the duration of the delay The NE1 LED provides localized status information while the NE1 relay can be used both for load trip and remote signalling The NEI relay can be configured for latching or non latching operation Revision 13 04 2011 Page 17 of 63 SELCO A S SIGMA S6000 IO P Module 3 2 2 Non Essential 2 The second non essential load trip function NE2 load trip can be enabled or disabled If enabled the NE2 load trip will trip the NE2 relay in case of low frequency high active current load or high current When configured to trip on load or current the NE2 load trip can either act on the highest of the three active current or load calculations each individual phase component or it can act on the sum of active load which is typically indicated on the switch board kW meter The configuration determines the mode of operation However the active load mode is only available when the S6000 module has connection to neutral The trip level is configured as a percentage according to nominal frequency the generator maximum current or the power sources active capacity The power source active capacity
70. nge Gen phase phase voltage GPPV Gen indicated voltage GIV Gen phase neutral voltage GPNV CT secondary current CTSC Gen rated frequency GRF Gen maximum current GMC Protection functions Short Circuit On Off Control Characteristic Modes Trip level Pre alarm Delay Relay Output Indication Reset Over Current On Off Control Characteristic Modes Trip level Pre alarm Delay Relay Output Indication Reset Over Load On Off Control Characteristic Modes without neutral Modes with neutral Trip level active current Trip level active power Pre alarm Delay Relay Output Indication Reset Reverse Power On Off Control Characteristic Modes without neutral Modes with neutral 24 V DC 30 30 Isolated 500 mA 24 V DC 30 30 Isolated 500 mA 15 C to 70 C 63 0 to 690 0 V AC 2 2 three phased 63 to 32 kV AC GPPV V3 measured with neutral connection estimated without 1 Aor5 A consumption 25 mW or 125 mW three phased 40 0 to 500 0 Hz 0 5 to 3000 0 A 500 to 30000 A By Configuration Definite time Current largest of three phases Ij L or Is 100 to 400 of GMC 100 to 1000 ms on OC output 100 to 1000 ms C B Trip with feedback from C B State input Dedicated open collector output 200 mA Red SC LED on front folio shows pick up and trip By common C B reset input or UI Reset button By Configuratio
71. ns that a protection function will not trip the breaker anymore but only give an alarm For using this function the override must be enabled for the relevant protection function AND either PTH or Emergency Generator Mode must be activated WRITE PROTECT OC OVERRIDE lt Choice gt The choice can be either YES or NO Default is NO override disabled 7 4 3 Overload The overload protection function can be enabled or disabled by the following command The choice can be either YES or NO WRITE PROTECT OL ENABLED lt Choice gt The trip level of the overload function is expressed in one of three different ways The mode of operation depends on the previously explained load calculation parameter and the mode set by the function mode parameter single phase or sum 1 According to the generators maximum active current in a single phase The 100 reference is the generators maximum current in one phase GENMAXCUR 2 According to the generators maximum active load on one phase The 100 reference is the primary phase neutral voltage multiplied by the generators maximum current PRIMVOLT V3 3 According to the generator sum load as indicated on the kW meter The 100 reference is the sum of the nominal phase neutral voltages multiplied by the generators maximum current GENMAXCUR in one phase PRIMVOLT V3 The level is set by the following command The level can be set between 15 and 150 Resolution is 1 GENMAXCUR
72. o com gt PTH mode active input 4 open gt PTH mode deactivated Emergency Generator Configure Powersource to Emergency Generator and enable override in the configuration 3 1 7 Frequency Establishment The frequency establishment protection function can be enabled or disabled If enabled the frequency establishment protection will trip the breaker in case the generator frequency becomes either too low or too high This function is only active when the circuit breaker is closed f The trip level is configured as a percentage according to the rated frequency specified within the system configuration of the related S6000 module Lower Level RATEFREQ FA 100 or Lower Level RATEFREQ f 100 Revision 13 04 2011 Page 14 of 63 SELCO A S SIGMA S6000 IO P Module The delay is configured in seconds Trip will occur only if the low or the high critical level is exceeded continuously for the duration of the delay The frequency protection can be configured for manual reset default or auto reset Manual reset means that the frequency trip must be manually reset before the circuit breaker can be closed again Auto reset means that the protection alarm disappears when the over under frequency situation is cleared The generator can then reclose to the bus bar immediately The frequency protection includes an override possibility Override means that a protection function will no longer trip the breaker but only
73. outputs The S6000 module also includes data acquisition capabilities for all parameters related to the three phased power source Furthermore the S6000 module works as the interface to the SELCO SIGMA S6100 S LS module which adds the functionality of frequency stabilization voltage stabilization voltage matching check automatic synchronization and active reactive load sharing Finally the S6000 provides the basic parameters required by the SELCO SIGMA 56600 56610 Power Manager Revision 13 04 2011 Page 5 of 63 SELCO A S SIGMA S6000 IO P Module 2 Isolation and Grounding In marine installations ground and common reference COM should not be connected together In ship installations the hull is the ground Connecting any of the COM connections on any of the modules within a SIGMA system to ground hull or switchboard chassis may cause instability within the system The COM is connected through the power supply and therefore not necessary to install any COM connections between SIGMA modules As a general rule 1 COM terminals should not be connected to ground hull or switchboard chassis 2 Negative poles of the primary and back up supplies should not be connected to ground hull or switchboard chassis Revision 13 04 2011 Page 6 of 63 SELCO A S SIGMA S6000 IO P Module 3 Function The S6000 module provides integrated protection load shedding trip of non essential loads analogue outputs and data acquisit
74. over current protection However the short circuit function operates on higher currents within a shorter time frame Please note that most marine classification societies also requires the installation of a discrete isolated short circuit relay such as the SELCO T2300 This is to provide perfect and total redundancy on this very important protection function 3 1 2 Over Current The over current protection function OC protection can be enabled or disabled If enabled the OC protection will trip the circuit breaker in case excessive current is detected in any one of the three phases The OC protection will always act on the highest of the three currents measurements L b hk The trip level is configured as a percentage according to the generator maximum current GENMAXCUR specified within the system configuration The open collector output is activated after the pre alarm delay has passed if configured The trip signal will be issued if the critical level is exceeded continuously for the duration of the main delay Both delays are configured in seconds Level GENMAXCUR 100 I or orl The OC LED provides local status information while the OC open collector output can be used for remote signalling The over current protection works in a similar way to the short circuit protection however over current operates on lower currents within a longer time frame The Over Current protection can be configured for manual reset d
75. ovided that the NE2 relay has been configured for non latching operation The hysteresis has no effect when the NE2 relay is configured for latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NE2 FREQ HYST lt Level gt 7 6 WO and Relays The properties of the inputs outputs and relays can be configured by the following parameters 7 6 1 Alarm Relay Function The alarm relay can be configured to signal either system alarm or system and protection alarms The relay function is set by the following command The choice can be either SYS or SYSPROT WRITE IORELAYS ALARMRELAYFUNC lt Choice gt 7 6 2 C B Trip Relay The C B Trip relay can be configured for normally de energized or normally energized operation The default setting is normally energized operation as this setting would cause a C B trip if both the primary and back up supply is lost The relay function is set by the following command The choice can be either ND or NE WRITE IORELAYS CBTRIPRELAY CONTACT lt Choice gt 7 6 3 NE1 Trip Relay The NE1 Trip relay can be configured for normally de energized or normally energized operation The default setting is normally de energized operation The NEI Trip relay can either latch requiring manual reset or it can auto reset by delay The relay function is set by the following command The choice can be eithe
76. owing command GENMAXCUR rated cos y WRITE LOADTRIP NEI LOAD ENABLED lt Choice gt The Choice can be YES or NO Revision 13 04 2011 Page 48 of 63 SELCO A S SIGMA S6000 IO P Module The level is set by the following command The level can be set between 20 and 150 Resolution is 1 WRITE LOADTRIP NEI LOAD LEVEL lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NEI LOAD DELAY lt Delay gt The NE1 function will automatically reset by hysteresis provided that the NE1 relay has been configured for non latching operation The hysteresis has no effect when the NEI relay is configured for latching operation The hysteresis is set by the following command The level can be set between 1 and 100 The reference is the trip point defined by the level WRITE LOADTRIP NE1 LOAD HYST lt Level gt NE1 trip on over current A This activates the NEI trip function according to the generators maximum active current in any of the phases The 100 reference is the generators maximum current in one phase GENMAXCUR WRITE LOADTRIP NEI CUR ENABLED lt Choice gt The Choice can be YES or NO The level is set by the following command The level can be set between 20 and 150 Resolution is 1 WRITE LOADTRIP NEI CUR LEVEL lt Level gt The delay is expressed in seconds and can be set between 1 0 and 60 0 s Resolution is 100 ms WRITE LOADTRIP NEI CUR DELAY
77. r ND or NE WRITE IORELAYS NEITRIP CONTACT lt Choice gt The latch function is set as follows Choice and be YES or NO default is YES WRITE IORELAYS NEITRIP LATCH lt Choice gt Revision 13 04 2011 Page 53 of 63 SELCO A S SIGMA S6000 IO P Module 7 6 4 NE2 Trip Relay The NE2 Trip relay can be configured for normally de energized or normally energized operation The default setting is normally de energized operation The NE2 Trip relay can either latch requiring manual reset or it can auto reset by delay The relay function is set by the following command The choice can be either ND or NE WRITE IORELAYS NE2TRIP CONTACT lt Choice gt The latch function is set as follows Choice and be YES or NO default is YES WRITE IORELAYS NE2TRIP LATCH lt Choice gt 7 6 5 Unload trip In case separate outputs for protection trip an unload trip are required it is possible to redirect the unload trip to terminal 2 of the auxiliary I O The choice can be either CBTRIP or AUXIO2 default is CBTRIP meaning both functions are performed through CB trip relay in default configuration WRITE IORELAYS UNLOADTRIP lt Choice gt 7 6 6 Auxiliary outputs S6000 contains 3 auxiliary outputs The auxiliary outputs can be programmed to activate for alarms status messages or unload trip It is only possible to assign one function to an auxiliary output In case the output is configured to activate for an alarm the output will be activated as
78. r is also used to calculate 100 references for load active and reactive function as well as the maximum capacity of the power source 7 2 3 CT Primary Current The S6000 module conducts its current measurements through external current transformers CT s Two different versions of the S6000 module is available one for 5 A secondary current and one for 1 A secondary current It is a requirement that the secondary rated current of the CT s is either 5 A or 1 A However the primary current depends on the choice of the designer In order to convert the measured secondary current to primary current the S6000 module must know the primary rated current The CT primary rated current is set by the following command The resolution is 100 mA WRITE SYS CTPRIMCUR lt CT primary rated current gt The CT primary current is simply used to scale the measured current to the actual current 7 2 4 Rated Frequency The rated frequency must be set in order for the S6000 module to know the 100 reference for the frequency dependent trip functions e g for trip of Non Essential loads The rated frequency is set by the following command The resolution is 0 1 Hz WRITE SYS RATEDFREQ lt Rated frequency gt On a system equipped with the S6100 the generator speed will change when the rated frequency is altered provided that frequency stabilisation is active 7 2 5 Neutral Connection The S6000 module must be informed whether or not it has a fixed conn
79. re The OL protection can either act on the highest of the three parameters active current or load in each individual phase or it can act on the sum of active loads e g the load indicated on the switchboard kW meter The open collector output is activated after the pre alarm delay has passed if configured The trip signal will be issued if the critical level is exceeded continuously for the duration of the main delay Both delays are configured in seconds The OL LED provides localized status information while the OL open collector output can be used for remote signalling The Over Load protection can be configured for manual reset default or auto reset Manual reset means that the over load trip must be manually reset before the circuit breaker can be closed again Auto reset means that the protection alarm disappears when the over load situation is cleared usually after C B trip The generator can then reclose to the bus bar immediately The overload protection includes an override possibility Override means that a protection function will no longer trip the breaker but only give an alarm This is required for shaft generators in PTH mode and some emergency generator applications Shaft Generator in PTH mode Configure Powersource to Shaft Generator Enable override in the configuration and activate input 4 of the Auxiliary I O connector Input 4 connected to com gt PTH mode active input 4 open gt PTH mode deactivated
80. s Terminal 1 must be connected to terminal 1 of the SYNC terminal on the partner S6100 module Likewise terminal 2 must be connected to terminal 2 of the SYNC terminal on the partner S6100 module Lastly terminal 3 must be connected between the SYNC terminals of both modules Terminal 3 will also serve as the common COM connection between the S6000 and the S6100 module 6 5 TO The V O plug in connector houses the signals CB STATE and the NE RESET inputs Both inputs works with negative reference meaning the inputs are considered active when at COM level and inactive when left open disconnected Terminal Description Signal Connection 1 C B STATE NO contact to COM External switch output or relay 2 NE RESET NO contact toCOM_ External switch output or relay 6 5 1 C B State The C B STATE input provides feedback from the generator circuit breaker and is used by the S6000 module to determine if the breaker is open or closed C B STATE is typically connected to COM through an auxiliary contact on the breaker The breaker is considered closed by the S6000 module when the C B STATE input is at COM level 6 5 2 NE Reset The NE RESET input is used for manual reset of the two Non Essential load trip functions The NE RESET input is activated by connection to COM level Note that the Non Essential load trip function can also be configured from automatic reset by hysteresis 6 6 C B The terminals of the re
81. soon as the alarm appears and will be deactivated again after reset of the alarm In case the output is programmed for a status indication it will be activated as long as the status is true It will de activate as soon as the status changes In case an output is programmed as an unload trip the output will activate as soon as the generator load is below the UNLOAD TRIP LEVEL provided there is an unload command present at the UNLOAD input of S6100 or through the 6610 PM Module The command for assigning a function to auxiliary output 1 is WRITE IORELAYS AUXI1OUT lt Choice gt The command for assigning a function to auxiliary output 2 is WRITE IORELAYS AUX20UT lt Choice gt The command for assigning a function to auxiliary output 3 is WRITE IORELAYS AUX30UT lt Choice gt The CHOICE can be as follows VEUPPER VELOWER FEUPPER FEUNDER VOLTPHASEOK UNLOADTRIP SYNC VEUPPER over voltage Revision 13 04 2011 Page 54 of 63 SELCO A S SIGMA S6000 IO P Module VELOWER under voltage FEUPPER over frequency FEUNDER under frequency VOLTPHASEOK Indication that the voltage 1s within the VOLTAGE OK window and that there is phase accordance between generator and bus bar voltage UNLOADTRIP The output activates as soon as an UNLOAD command is active and the generator load passes below UNLOAD TRIP LEVEL SYNC The output activates as soon as S6100 starts synchronization and deactivates again after the synchronization has finish
82. t in zero current readings even when the generator is on load Correct measurement of the currents is extremely important as the SIGMA system relies upon the current measurements for the calculation of power factors active currents loads reactive currents loads etc The integrated protection functions and the load sharing functions of the S6100 modules also rely upon the current measurements 6 4 Sync The SYNC plug in terminal provides a synchronization signal for the partner S6100 module if installed The synchronization signal is used by the S6100 module if installed to determine the zero crossing of the alternator voltage AC curves This time critical information is required by the 6100 module in order for it to do automatic synchronization The CAN bus backbone is not fast enough for this purpose The synchronization signal is based on dedicated non isolated RS485 interface Thus wiring must be done according to standard RS485 requirements Terminal Description Signal Connection 1 SYNC A RS485 A Terminal 1 of the partner S6100 SYNC 2 SYNC B RS485 B Terminal 2 of the partner S6100 SYNC 3 COM COM Terminal 3 of the partner S6100 SYNC Revision 13 04 2011 Page 27 of 63 SELCO A S SIGMA S6000 IO P Module The wires from terminal 1 and 2 should be twisted A 150 ohm termination resistor must be placed between terminal 1 and 2 directly at the plug in terminal to prevent signal reflection
83. tical area for the full duration of the delay Otherwise the delay is reset and the LED is turned off A dedicated relay is provided for each of the two load trip functions The LED of a triggering load trip function will stay active until reset manually Reset is done by an external signal connected to the NE RESET input A dedicated relay is provided for each of the two load trip functions Each relay can be configured for normally de energized or normally energized operation The relays can be configured to latch until reset or to automatically reset by hysteresis second level for reset From FW revision 091207 3 2 49 the non essential load trips will also be activated in case of any circuit breaker protection trip Revision 13 04 2011 Page 15 of 63 SELCO A S SIGMA S6000 IO P Module 3 2 1 Non Essential 1 The first non essential load trip function NEI load trip can be enabled or disabled On firmware revisions up to 3 2 56 if enabled the NE1 load trip will trip the NE1 relay in case of low frequency high active current load OR high current On firmware revisions from 3 2 57 if enabled the NE1 load trip will trip the NEI relay in case of low frequency high active current load OR AND high current When configured to trip on load or current the NE1 load trip can either act on the highest of the three active current or load calculations each individual phase component or it can act on the sum of active load which is
84. to the SIGMA CAN bus 6 12 Auxiliary I O The auxiliary I O plug in connector houses general purpose I O signals Please refer to 6 9 for the wiring of the open collector outputs Terminal Description Signal Connection 1 VOLT PHASE OK Open collector output External input 2 UNLOAD TRIP Open collector output External input 3 e a z 4 PTH Harbour NO contact to COM External Switch ModeEnable 5 a 3 A 6 ABNORMAL TRIP NO contact to COM External protection trip 7 COM Common reference External reference 6 12 1 Volt Phase OK The Volt Phase OK signal is activated when the VOLTAGE OK and PHASE OK LED s are a light The signal indicates that the generators voltage is within limits and that the phase sequence is OK 6 12 2 Unload Trip In factory default configuration both protection trip of the circuit breaker and unload trip are conducted through the C B trip relay of the S6000 However in case it is necessary to use separate outputs for unload trip and protection trip the unload trip can be redirected to this open collector output see under Configuration 6 12 3 PTH Harbour Mode Enable This input covers 2 functions Shaft Generator in PTH Mode or Emergency Generator in Harbour Mode 6 12 3 1 Shaft generator in PTH Mode This function is intended for propulsion plants where a shaft generator may also operate as an electric motor for auxiliary propulsion PTH Power Take Ho
85. typically indicated on the switch board kW meter The configuration determines the mode of operation However the active load mode is only available when the S6000 module has connection to neutral The trip level is configured as a percentage according to nominal frequency the generator maximum current or the power sources active capacity The power source active capacity is calculated from generator maximum current and the nominal phase phase voltage located within the system configuration The delay is configured in seconds The trip signal will be issued if the trip level is exceeded continuously for the duration of the delay The NE1 LED provides localized status information while the NE1 relay can be used both for load trip and remote signalling The NEI relay can be configured for latching or non latching operation Latching operation works with external reset through the NE reset input In non latching mode reset is done by use of a hysteresis The hysteresis will cause the function to auto reset when the parameter goes above below then trip level minus the hysteresis 3 2 1 1 Frequency The S6000 will calculate the frequency to determine if it is low enough to trip the NE function f The trip level is defined as a percentage of the generators rated frequency RATEDFREQ Level RATEFREQ 100 fK 3 2 1 2 Active Phase Current The S6000 module will calculate each component of active currents as follows active current mode
86. vel react current Trip level react power Pre alarm Delay Relay Output Indication Reset Voltage Establishment On Off Control Characteristic Lower trip level Upper trip level Pre alarm Delay Relay Output Indication Reset Load shedding functions Non essential trip 1 On Off Control Characteristic Modes without neutral Modes with neutral Trip level frequency Trip level active current Trip level active power Trip Level current Hysteresis non latch Delay Relay Output Indication Reset Non essential trip 2 On Off Control Characteristic 2 0 to 20 0 s on OC output 2 0 to 20 0 s C B Trip with feedback from C B State input Dedicated open collector output 200 mA Red OL LED on front folio shows pick up and trip By common C B reset input or UI Reset button By Configuration Definite time Reactive current lowest of three phases IReactivets Reactive2 OT TReactive3 Reactive current lowest of three phases IReactivets TReactive2 OT TReactive3 Reactive power lowest of three phases Q1 Q or Q3 Sum reactive power Q 0 to 150 of GMC 0 to 150 of GIV x GMC 2 0 to 20 0 s on OC output 2 0 to 20 0 s C B Trip with feedback from C B State input Dedicated open collector output 200 mA Red EL LED on front folio shows pick up and trip By common C B reset input or UI Reset button By Configuration Definite time 50 to 100 of GIV 100 to 150
87. vision 13 04 2011 Page 22 of 63 SELCO A S SIGMA S6000 IO P Module 5 Installation The S6000 module is secured to the rear of the switch board using four 4 mm 3 16 screws DIN rail mounting is not advisable due to the weight of the module Please ensure that there is enough space around the module so that the plug in terminals and RS232 connector can be removed and reinserted The length of the cables should also allow for the easy removal and insertion of the plug in terminals Access to the dip switches located at the lower right hand corner of the unit might also be necessary Revision 13 04 2011 Page 23 of 63 SELCO A S SIGMA S6000 IO P Module 6 Connection The S6000 module is connected using plug in terminals The plug in terminals provide safe and durable connection without sacrificing ease of installation and servicing Wires should be good quality with a reasonable low internal resistance It is advisable to use colour coding as this makes trouble shooting and servicing far easier Please ensure that all wires are stripped properly and that the screws of the plug in terminal rest on the copper and not on the insulation Insufficient wire stripping is a frequent cause for poor connections 6 1 Power Supply The electronics of the S6000 module is powered by two individual supplies the primary and the backup supply Both the primary and the backup supply operate on a nominal voltage of 24 V DC The S6000 modu
88. y light when all three phases are live and sequence is correct Un Uz3 U31 Uw Um Usn l I I Tactivel gt T actives T active3s Pi Po P3 P Treactivel gt Teactive2s TReactive3 Qi Qs Qs Q PF PF PF PF VA VA VAs VA or f 1000 0 to 1000 0 Voltage 10 000 to 10 000 V DC isolated Current 0 000 to 24 000 mA isolated Up Uz3 U31 Uw Un Uzn l b b Tactivel gt Tactive2s Tactive3s Pi Po P3 P TReactivel TReactive2s TReactive3s Qs Q Qs Q PF PF PF PF VA VA VAs VA or f 1000 0 to 1000 0 Voltage 10 000 to 10 000 V DC isolated Current 0 000 to 24 000 mA isolated Revision 13 04 2011 Page 62 of 63 SELCO A S SIGMA S6000 IO P Module Output 3 Source parameter Signal CAN Bus Connection Protocol RS232 Connection Function Protocol Baud rate Parity Data bits Stop bits RS485 Connection Protocol Address range Baud rate Parity Data bits Stop bits EMC EMI tests Marine tests Connections Dimensions Weight Fixation Un Uz3 U31 Uw Um Usn l I I Tactivel gt T actives T actives P Po P3 P Treactivel gt Teactive2s TReactive3 Qi Qs Qs Q PF PF PF PF VA VA VAs VA or f 1000 0 to 1000 0 Voltage 10 000 to 10 000 V DC isolated Current 0 000 to 24 000 mA isolated Screw terminals 2 wire with COM limp back function CANOpen derivative Customized plug 4 wire non isolated Confi

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