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Chapter 3) 7SR158 Performance Specification

2.6 81R Rate-of-Change-of-Frequency (df/dt)

2.6.1

Reference

Parameter

Value

Setting

0.050, 0.075 …10.0 Hz/s

Delay setting

0, 0.01 … 20, 20.1 ... 100, 101 ... 1000, 1010 ... 10000,10100
... 100000, 101000 ... 864000s

nom

Nominal Frequency

50 Hz or 60 Hz

2.6.2

Operate Level

Attribute

Value

Operate Level

, 50 mHz/s (Fnom 3Hz)

Repeatability

1 %

Variation

-10 °C to +55 °C

5 %

2.6.3

Operate and Reset Time

Attribute

Value

basic

Element basic operate time
(for ROCOF 1.3x setting)

Typically 215 ms

Maximum 300 ms

Element basic operate time
(for ROCOF 2x setting)

Typically 185 ms

Maximum 200 ms

Operate time following delay

basic

, 1 % or 10 ms

Repeatability

1 % or 10 ms

Summary of Contents for 7SR158 Argus

Page 1: ...Answers for energy 7SR158 Argus Voltage and Frequency Relay Reyrolle Protection Devices ...

Page 2: ......

Page 3: ...nts Contents Technical Manual Chapters 1 Description of Operation 2 Settings Configuration Instruments 3 Performance Specification 4 Data Communications 5 Installation 6 Commissioning and Maintenance 7 Applications Guide ...

Page 4: ...7SR158 Argus Contents ...

Page 5: ...ced from this document unless Siemens Protection Devices Limited consent While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the result of negligence or any other cause Any and all such liability is disclaimed 2014 Siemens Protection Devices Limite...

Page 6: ...Chapter 1 7SR158 Description of Operation Chapter 1 Page 2 of 38 2014 Siemens Protection Devices Limited ...

Page 7: ... 4 Voltage Protection Vector Shift 78 25 3 5 Voltage Protection Under Over Frequency 81 26 3 6 Voltage Protection Rate of Change of Frequency 81R 27 Section 4 Control Logic Functions 28 4 1 Manual CB Control 28 4 2 Circuit Breaker 29 4 3 Quick Logic 30 Section 5 Supervision Functions 32 5 1 VT Supervision 32 5 2 Trip Close Circuit Supervision 74TCS 74CCS 32 Section 6 Other Features 33 6 1 Data Com...

Page 8: ...ic 19 Figure 2 11 Start up Counter Meter 20 Figure 2 12 Unexpected Restarts Lockout Text 20 Figure 2 13 Start up Events 21 Figure 3 1 Logic Diagram Under Over Voltage Elements 27 59 22 Figure 3 2 Logic Diagram NPS Overvoltage Protection 47 23 Figure 3 3 Logic Diagram Neutral Overvoltage Element 59N 24 Figure 3 4 Logic Diagram Vector Shift 78 25 Figure 3 5 Logic Diagram Under Over Frequency Detecto...

Page 9: ...ices Limited Chapter 1 Page 5 of 38 Symbols and Nomenclature The following notational and formatting conventions are used within the remainder of this document Setting Menu Location MAIN MENU SUB MENU Setting Elem name Setting Setting value value Alternatives 1st 2nd 3rd ...

Page 10: ...Chapter 1 7SR158 Description of Operation Chapter 1 Page 6 of 38 2014 Siemens Protection Devices Limited ...

Page 11: ...ncy Relay The Ordering Option Tables summarise the features available in each model General Safety Precautions External Resistors Where external resistors are fitted to relays these may present a danger of electric shock or burns if touched Front Cover The front cover provides additional securing of the relay element within the case The relay cover should be in place during normal operating condit...

Page 12: ... threshold 19 VDC J Spare 10 A Communication Interface 11 Standard version included in all models USB front port RS485 rear port 1 Protocol 12 IEC 60870 5 103 Modbus RTU and DNP3 user selectable setting 2 Front Cover 13 Standard Version No Push Buttons 1 Push Buttons Down and right Arrows 2 Protection Function Packages 14 For future development A For future development B Standard version C 27 59 U...

Page 13: ...er 1 7SR158 Description of Operation 2014 Siemens Protection Devices Limited Chapter 1 Page 9 of 38 The relay has 3 VT inputs configurable in one of three input modes via a setting Figure 1 1 VT Connections ...

Page 14: ...7SR158 Technical Manual Chapter 1 Page 10 of 38 2014 Siemens Protection Devices Limited RS485 Figure 1 2 Connections Diagram for 7SR158 Relay ...

Page 15: ...8 3 6 8 10 2 2 Case The relays are housed in cases designed to fit directly into standard panel racks The case has a width of 104mm and a height of 177 mm 4U The required panel depth with wiring clearance is 242 mm The complete relay assembly is withdrawable from the front of the case Contacts in the case ensure that the CT circuits and normally closed contacts remain short circuited when the rela...

Page 16: ...llation Guide for full details of panel cut out and internal clearance requirements 2 3 Front Cover As standard the relay is supplied with a transparent front cover The front cover is used to secure the relay assembly in the case Figure 2 3 Relay with standard transparent cover If access is required to view the menus without removing the cover an alternative transparent cover with push buttons may...

Page 17: ... from 24V to 60V or 80 to 250V The 80 250Vdc PSU can also be used with 115V AC supplies For consistency and safety it is advised that AC connections to the auxiliary supply are made with the Live connection to the ve terminal and Neutral connection to ve The device will operate normally for reversed polarity DC auxiliary voltages In the event of the station battery voltage level falling below the ...

Page 18: ... the relay which allow it to be withdrawn from the relay case The relay should not be carried by these handles Relay Information Above the LCD two labels are provided these provide the following information 1 Product Information Rating Label containing MLFB ordering code with hardware version suffix Product name Rated frequency Voltage rating Auxiliary supply rating Binary input supply rating Seri...

Page 19: ...lockwise reduces the contrast User defined indentifying text can be programmed into the relay using the System config Relay Identifier and System config Circuit Identifier setting The Identifier texts are displayed on the LCD display over two lines at the top level of the menu structure The Relay Identifier is used in communication with Reydisp to identify the relay Pressing the Cancel button seve...

Page 20: ...rating correctly If the internal relay watchdog detects an internal fault then this LED will continuously flash Indication LEDs Relays have 9 user programmable LED indicators Each LED can be programmed to be illuminated as either green yellow or red Where an LED is programmed to be lit both red and green it will illuminate yellow The same LED can be assigned two different colours dependent upon wh...

Page 21: ...d ac voltage on the wiring connections e g cross site wiring The default pick up time of 20ms provides ac immunity Each input can be programmed independently Each input may be logically inverted to facilitate integration of the relay within the user scheme When inverted the relay indicates that the BI is energised when no voltage is applied Inversion occurs before the PU DO time delay see fig 2 8 ...

Page 22: ...NARY OUTPUT CONFIG Pickup Outputs setting Contacts in the case ensure that the normally closed binary outputs remain short circuited when the relay is withdrawn from the case Notes on Self Reset Outputs Outputs reset after the initiate condition is removed they are subject to the user definable Minimum Operate Time setting With a failed breaker condition the relay may remain operated until current...

Page 23: ...ut outputs these are internal binary stores By assigning the status of data items like starters alarms equations etc to a virtual input output the status of these items can be used to fulfil higher levels of functionality The status of various data items can be assigned to virtual inputs outputs using the INPUT CONFIG OUTPUT MATRIX menu Virtual input outputs can be used as inputs to various functi...

Page 24: ...starts caused by the relay watchdog Any combination of these can be selected for the start up count This is done in the MAINTENANCE MENU START COUNT menu using the Start Up Types setting All the start up types selected ticked will be added to the overall start up count The number of restarts before the alarm output is raised is set in the MAINTENANCE MENU START COUNT menu using the Start Up Count ...

Page 25: ...ocedure then the front facia Protection Healthy LED is turned on A changeover or open contact can be mapped via the binary output matrix to provide an external protection healthy signal A changeover or closed contact can be mapped via the binary output matrix to provide an external protection defective signal With the Protection Healthy this contact is open When the auxiliary DC supply is not appl...

Page 26: ... sets the pick up voltage level for the element The sense of the element undervoltage or overvoltage is set by the 27 59 n Operation setting The 27 59 n O P Phases setting determines whether the time delay is initiated for operation of any phase or only when all phases have detected the appropriate voltage condition An output is given after elapse of the 27 59 n Delay setting The 27 59 n Hysteresi...

Page 27: ...ovided 47 1 47 2 All elements will be blocked if all phase voltages fall below the 47 U V Guard setting 47 n Setting sets the pick up voltage level for the element The 47 n Hysteresis setting allows the user to vary the pick up drop off ratio for the element An output is given after elapse of the 47 n Delay setting Operation of the negative phase sequence voltage elements can be inhibited from Inh...

Page 28: ...IT Setting sets the pick up voltage level 3V0 for the element An inverse definite minimum time IDMT can be selected using 59NIT Char A time multiplier is applied to the characteristic curves using the 59NIT Time Mult setting M ms 1 Vs 3Vo M 1000 op t Alternatively a definite time lag delay DTL can be chosen using 59NITChar When Delay DTL is selected the time multiplier is not applied and the 59NIT...

Page 29: ...etection by means of zero crossing measurement is used to maximise speed of operation Two elements are provided 78 1 78 2 All elements will be blocked if all phase voltages fall below the 78 U V Guard setting There is an absolute cut off of vector shift measurement at 30 78 n Setting sets the pick up phase shift angle for the element The phase shift must be detected in all 3 phase neutral voltages...

Page 30: ...tored continually switching between reference voltages is instantaneous All elements can be blocked if all phase voltages fall below the 81 U V Guard setting The sense of the element under frequency or over frequency is set by the 81 n Operation setting 81 n Setting sets the pick up voltage level for the element An output is given after elapse of the 81 n Delay setting The 81 n Hysteresis setting ...

Page 31: ...rom the voltage selection algorithm The frequency of all VT inputs is monitored continually switching between reference voltages is instantaneous All elements will be blocked if all voltages fall below the 81R U V Guard setting 81R n Setting sets the pick up frequency change for the element The direction of frequency change Positive increasing frequency Negative decreasing frequency or Both being ...

Page 32: ...y output can be delayed by the Close CB Delay setting The status of this delay is displayed on the relay fascia as it decrements towards zero Only when the delay reaches zero will the close command be issued and related functionality initiated Blocked Close Delay The close command may be delayed for the duration that a Block Close CB signal is applied to a binary input This can be used for example...

Page 33: ...n of a CB control open output will then not cause the trip time to be measured Trip Time Alarm The CB Trip Time meter displays the measured time between the trip being issued and the CB auxiliary contacts changing state If this measured time exceeds the Trip Time Alarm time a Trip Time Alarm output is issued Trip Time Adjust This allows for the internal delays caused by the relay especially the de...

Page 34: ... de energised Example Showing Use of Nomenclature E1 I1 V1 O2 L1 Equation 1 Binary Input 1 XOR Virtual I O 1 AND NOT Binary Output 2 OR LED 1 When the equation is satisfied 1 it is routed through a pick up timer En Pickup Delay a drop off timer En Dropoff Delay and a counter which instantaneously picks up and increments towards its target En Counter Target The counter will either maintain its coun...

Page 35: ...the output of the counter En 1 and this value is held until the initiating conditions are removed when En is instantaneously reset The output of En is assigned in the OUTPUT CONFIG OUTPUT MATRIX menu where it can be programmed to any binary output O LED L or Virtual Input Output V combination Protection functions can be used in Quick Logic by mapping them to a Virtual Input Output Refer to Chapter...

Page 36: ...tored One or more binary inputs can be mapped to 74TCS n The inputs are connected into the trip circuit such that at least one input is energised when the trip circuit wiring is intact If all mapped inputs become de energised due to a break in the trip circuit wiring or loss of supply an output is given The 74TCS n Delay setting prevents failure being incorrectly indicated during circuit breaker o...

Page 37: ...ix Test The feature is only visible from the Relay fascia and allows the user to operate the relays functions The test of the function will automatically operate any Binary Inputs or LED s already assigned to that function Any protection function which is enabled in the setting menu will appear in the Output Matrix Test 6 2 2 CB Counters The following CB maintenance counters are provided CB Total ...

Page 38: ...chronological order allowing the sequence of events to be viewed Events can be selected to be made available spontaneously to an IEC 60870 5 103 Modbus RTU or DNP 3 0 compliant control system The function number and event number can also be changed The events are selected and edited using the Reydisp software tool For a complete listing of events available in each model refer to Technical Manual S...

Page 39: ...er time will reset the relay With the Trip Alert setting disabled the user only has to press the trip reset button once to reset the relay When examined together the event records and the fault records will detail the full sequence of events leading to a trip Fault records are stored in a rolling buffer with the oldest faults overwritten The fault storage can be cleared with the DATA STORAGE Fault...

Page 40: ...three operating modes Local Remote and Out of Service The following table identifies the functions operation in each mode The modes can be selected by the following methods SYSTEM CONFIG OPERATING MODE setting a Binary Input or Command Table 4 1 Operating Mode OPERATION REMOTE LOCAL OUT OF SERVICE Control Rear Port Enabled Disabled Disabled Fascia Control Mode Disabled Enabled Disabled USB Disable...

Page 41: ...ot yet been set When editing the Time only the hours and minutes can be edited When the user presses ENTER after editing the seconds are zeroed and the clock begins running 6 7 1 Time Synchronisation Data Communication Interface Where the data comms channel s is connected the relay can be directly time synchronised using the global time synchronisation This can be from a dedicated substation autom...

Page 42: ...ivated by using the password to gain access and by entering the password NONE Again this must be entered twice to de activate the security system As soon as the user attempts to change a setting or initiate control the password is requested before any changes are allowed Once the password has been validated the user is logged on and any further changes can be made without re entering the password ...

Page 43: ...ced from this document unless Siemens Protection Devices Limited consent While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the result of negligence or any other cause Any and all such liability is disclaimed 2013 Siemens Protection Devices Limite...

Page 44: ...Chapter 2 7SR158 Technical Manual Chapter 2 Page 2 of 16 2013 Siemens Protection Devices Limited ...

Page 45: ...volution 13 2 1 Physical Connection 13 2 1 1 Front USB connection 13 2 1 2 Rear RS485 connection 13 2 1 3 Configuring Relay Data Communication 14 2 1 4 Connecting to the Relay for setting via Reydisp 14 2 1 5 Configuring the user texts using Reydisp Language Editor 15 List of Figures Figure 1 1 1 Menu 5 Figure 1 1 2 Fascia Contrast symbol 5 Figure 1 1 3 Relay Identifier Screen 6 Figure 1 1 4 Menu ...

Page 46: ...Chapter 2 7SR158 Technical Manual Chapter 2 Page 4 of 16 2013 Siemens Protection Devices Limited ...

Page 47: ...ays control for example the CB All menus may be viewed without entering a password but actions will not be permitted if the relevant passwords have been set The menus can be viewed via the LCD by pressing the access keys as below Figure 1 1 1 Menu Pressing CANCEL returns to the Identifier screen This document describes the text descriptions as they appear in the menu structure when the relay is us...

Page 48: ... buttons on the fascia are used to display and edit the relay settings via the LCD to display and activate the control segment of the relay to display the relays instrumentation and Fault data and to reset the output relays and LED s The five push buttons have the following functions READ DOWN READ UP Used to navigate the menu structure ENTER The ENTER push button is used to initiate and accept se...

Page 49: ... button is used to reset the fault indication on the fascia When on the Relay Identifier screen it also acts as a lamp test button when pressed all LEDs will momentarily light up to indicate their correct operation It also moves the cursor right when navigating through menus and settings Figure 1 1 4 Menu Structure ...

Page 50: ...lay is setting password protected the user will be asked to enter the password If an incorrect password is entered editing will not be permitted All screens can be viewed if the password is not known While a setting is being edited flashing characters indicate the edit field Pressing the or buttons will scroll through the valid field values If these buttons are held on the rate of scrolling will i...

Page 51: ...d this meter will be removed from the FAVOURITE METERS sub group VOLTAGE METERS to view This is the sub group that includes all the meters that are associated with Voltage TEST RESET allows access to this sub group Prim Ph Ph Voltage Vab 0 00kV Vbc 0 00kV Vca 0 00kV Displays the Phase to Phase Voltage Primary RMS values Sec Ph Ph Voltage Vab 0 00V Vbc 0 00V Vca 0 00V Displays the Phase to Phase Vo...

Page 52: ...rom Last Trip MAINTENANCE METERS to view This is the sub group that includes all the meters that are associated with Maintenance TEST RESET allows access to this sub group CB Total Trips Count 0 Target 100 Displays the number of CB trips experienced by the CB CB Delta Trips Count 0 Target 100 Displays the number of CB trips experienced by the CB CB Trip Time Time 0 0ms Displays the circuit breaker...

Page 53: ...s stored in the relay Event Recs 0 Data Log Recs 0 Setting Group 1 BINARY INPUT METERS to view This is the sub group that includes all the meters that are associated with the Binary inputs TEST RESET allows access to this sub group BI 1 6 Displays the state of DC binary inputs 1 to 6 The number of binary inputs may vary depending on model BINARY OUTPUT METERS to view This is the sub group that inc...

Page 54: ...ET allows access to this sub group E 1 4 E1 Equation EQN 0 TMR 0 0 0 CNT 0 1 0 E2 Equation EQN 0 TMR 0 0 0 CNT 0 1 0 E3 Equation EQN 0 TMR 0 0 0 CNT 0 1 0 E4 Equation EQN 0 TMR 0 0 0 CNT 0 1 0 1 5 Fault Data Mode The Fault Data Mode sub menu lists the time and date of the previous 10 protection operations The stored data about each fault can be viewed by pressing the TEST RESET button Each record ...

Page 55: ...r above or windows XP with service pack 2 or above and Microsoft NET framework for tools Programming of graphical user logic requires the use of the Reydisp Manager software which is supplied with online instructions and help and is not documented here 2 1 Physical Connection The relay can be connected to Reydisp via any of the communication ports on the relay Suitable communication Interface cabl...

Page 56: ... ODD EVEN EVEN EVEN COM1 RS485 Mode Selects whether the port is Local or Remote Local Remote Local Or Remote Remote Remote COM2 USB Protocol Selects protocol to use for COM2 USB OFF DNP3 ASCII MODBUS RTU IEC60870 5 103 IEC60870 5 103 COM2 USB Station Address IEC 60870 5 103 Station Address 0 1 65533 65534 0 Address given to relay to identify it for connection to the USB front port COM2 USB Mode Se...

Page 57: ...ydisp Language Editor As default the relay uses the text descriptions in all menus as they appear in this manual These descriptions can be changed by installing a user language file in the relay allowing the user to edit all views to meet their needs and provide easier operation The Reyrolle Language File Editor tool and its user manual are installed as part of the Reydisp Evolution software packa...

Page 58: ...le can be created and loaded into the relay using the send file to relay function The communication properties in the software and on the relay must be set The relay must be restarted after the file is installed To activate the language file it must be selected in the relay configuration menu the Original file is the file labelled ENGLISH and the new file will be displayed using the file name allo...

Page 59: ...ced from this document unless Siemens Protection Devices Limited consent While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the result of negligence or any other cause Any and all such liability is disclaimed 2013 Siemens Protection Devices Limite...

Page 60: ...Chapter 3 7SR158 Performance Specification Chapter 3 Page 2 of 24 2013 Siemens Protection Devices Limited ...

Page 61: ... 2 2 47 Negative Phase Sequence Voltage 17 2 2 1 Reference 17 2 2 2 Operate and Reset Level 17 2 2 3 Operate and Reset Time 17 2 3 59N Neutral Voltage Displacement 18 2 3 1 Reference 59NDT 18 2 3 2 Operate and Reset Level 59NDT 18 2 3 3 Operate and Reset Time 59NDT 18 2 3 4 Reference 59NIT 18 2 3 5 Operate and Reset Level 59NIT 19 2 3 6 Operate and Reset Time 59NIT 19 2 4 78 Vector Shift 20 2 4 1 ...

Page 62: ...Chapter 3 7SR158 Performance Specification Chapter 3 Page 4 of 24 2013 Siemens Protection Devices Limited ...

Page 63: ... under the following conditions unless specifically stated otherwise Parameter Value Auxiliary supply nominal Frequency nominal Ambient temperature 20 C 1 1 3 Dimensions Parameter Value E4 case 103 5 mm 103 5 mm Height 177 mm Depth behind panel including clearance for wiring and fibre 241 5 mm Projection from front of panel 31 mm See appropriate case outline and panel drilling drawing as specified...

Page 64: ...AC 110VDC and 220VDC systems 115 VAC 50 60Hz 92 to 138 V rms AC 47 5 52 5 57 63Hz High Voltage PSU suitable for 115VAC 110VDC and 220VDC systems No relay operation outside of this range is permissible or implied 1 2 1 1 Burden Attribute Value 24V DC Minimum 3 9 W User Access back light 5 3 W Maximum 8 0W 60V DC Minimum 3 9W User Access back light 5 2 W Maximum 7 3W 80V DC Minimum 4 0W User Access ...

Page 65: ... protect the power supply from damage as well as prevent internal relay faults from developing into dangerous situations Once the relay has entered this safety mode it may be necessary to reduce the auxiliary input voltage to zero volts for up to 30 seconds before re application of the auxiliary supply will cause the relay to power up and operate normally 1 Using fuses as on off switches or allowi...

Page 66: ...C AC operation Nominal Operating Range VBI 19 VDC 92 to 138 VRMSAC 1 2 4 1 DC Performance Attribute Value Maximum DC current for operation VBI 19 V 1 5mA VBI 88 V 1 5mA Reset Operate voltage ratio 90 Response time 9ms Response time when programmed to energise an output relay contact i e includes output relay operation 20ms The binary inputs have a low minimum operate current and may be set for hig...

Page 67: ...mA Response time 115VRMSAC 16ms Response time when programmed to energise an output relay contact i e includes output relay operation 26ms For AC operation the BI pick up delay should be set to 0ms and the drop off delay to 25ms For AC operation wiring should be less than 10 metres in length Figure 1 2 1 Binary Input Configurations Providing Compliance with EATS 48 4 Classes ESI 1 and ESI 2 ...

Page 68: ...1 3 2 Data Communication 1 3 2 1 USB 2 0 Data Communication Interface Attribute Value Physical layer Electrical Connectors USB Type B 1 3 2 2 RS485 Data Communication Interface Attribute Value Physical layer Electrical Connectors 4mm Ring Crimp 1 3 3 Real Time Clock The specification below applies only while no external synchronisation signal e g 60870 5 103 is being received Attribute Value Accur...

Page 69: ... test 56 days at 40 C and 93 relative humidity 1 4 1 3 Transient Overvoltage IEC 60255 5 Type Level Between all terminals and earth or between any two independent circuits 5 0 kV 1 2 50 s 0 5j 1 4 1 4 Insulation IEC 60255 5 Type Level Between any terminal and earth 2 5 kV AC RMS for 1 min Between independent circuits Across normally open contacts 1 0 kV AC RMS for 1 min 1 4 1 5 IP Ratings IEC60529...

Page 70: ...ion Devices Limited 1 4 2 Emissions IEC 60255 25 1 4 2 1 Radiated Radio Frequency Type Limits at 10 m Quasi peak 30 to 230 MHz 40 dB V m 230 to 1000 MHz 47 dB V m 1 4 2 2 Conducted Radio Frequency Type Limits Quasi peak Average 0 15 to 0 5 MHz 79 dB V 66 dB V 0 5 to 30 MHz 73 dB V 60 dB V ...

Page 71: ...RV 10 12 cycles 50 60Hz Normal Operation1 70 RV 25 30 cycles 50 60Hz Normal Operation1 Voltage Interruptions DC auxiliary supply 0 RV 5s Relay Reset2 Voltage Interruptions AC auxiliary supply 0 RV 250 300 cycles 50 60Hz Relay Reset2 Alternating Component In DC Ripple DC auxiliary supply 15 max and min RV Continuous Normal operation1 Gradual Shut down Start up DC auxiliary supply Max min RV to 0V 6...

Page 72: ...Variation 80 MHz to 1000 MHz Sweep 10 V m 5 1 4GHz to 2 7GHz Sweep 80 160 380 450 900 1850 2150 MHz Spot 1 4 3 5 Electrical Fast Transient Burst Immunity IEC 60255 22 4 Class A 2002 Type Level Variation Case Aux Power I O 4 0 kV 10 RS485 Metallic Comms 2 0 kV No data loss 1 4 3 6 Surge Immunity IEC 60255 22 5 IEC 61000 4 5 Type Level Variation Analog Inputs Line to Earth 4 0 kV 10 Case Aux Power I...

Page 73: ...e Level Variation Vibration response 0 5 gn 5 Vibration endurance 1 0 gn 1 4 4 2 Shock and Bump IEC 60255 21 2 Class I Type Level Variation Shock response 5 gn 11 ms 5 Shock withstand 15 gn 11 ms Bump test 10 gn 16 ms 1 4 4 3 Seismic IEC 60255 21 3 Class I Type Level Variation Seismic response X plane 3 5mm displacement below crossover freq 8 9Hz 1 0gn above 5 Y plane 1 5mm displacement below cros...

Page 74: ...00 10100 14400 s 2 1 2 Operate and Reset Level Attribute Value Vop Operate level 100 Vs 1 or 0 25V Reset level Overvoltage 100 hyst x Vop 1 or 0 25V Undervoltage 100 hyst x Vop 1 or 0 25V Repeatability 1 Variation 10 C to 55 C 5 fnom 5 5 2 1 3 Operate and Reset Time Attribute Value tbasicE Element basic operate time Overvoltage 0 to 1 1 x Vs 73 ms 10ms 0 to 2 0 xVs 63 ms 10ms Undervoltage 1 1 to 0...

Page 75: ...0 10 100 101 1000 1010 10000 10100 14400 s 2 2 2 Operate and Reset Level Attribute Value Vop Operate level 100 Vs 2 or 0 5 V Reset level 100 Hyst x Vop 1 or 0 25V Repeatability 1 Variation 10 C to 55 C 5 fnom 5 5 2 2 3 Operate and Reset Time Attribute Value tbasic Element basic operate time 0V to 2 0 xVs 80 ms 20ms 0V to 10 xVs 70ms 20ms top Operate time following delay tbasic td 2 or 20ms Repeata...

Page 76: ...5 V Reset level 95 Vop or 0 5 V Repeatability 1 Variation 10 C to 55 C 5 fnom 5 5 2 3 3 Operate and Reset Time 59NDT Attribute Value tbasic Element basic operate time 0V to 1 5 xVs 76 ms 20ms 0V to 10 xVs 63 ms 20ms top Operate time following delay tbasic td 1 or 20ms Repeatability 1 or 20ms Overshoot time 40 ms Disengaging time 100 ms 2 3 4 Reference 59NIT Parameter Value M Multiplier setting 1 V...

Page 77: ... Vop or 0 5 V Repeatability 1 Variation 10 C to 55 C 5 fnom 5 5 2 3 6 Operate and Reset Time 59NIT Attribute Value tbasic Starter operate time 65 ms 20ms 3Vo Applied Current for Operate Time DTL 10 x Vs top Operate time char IDMTL 1 M t Vs 0 V 3 op 5 or 65 ms char DTL td 1 or 40ms Reset Time char IDMTL tres 5 or 65ms char DTL tres 1 or 40ms Repeatability 1 or 20ms Overshoot time 40 ms Disengaging ...

Page 78: ...emens Protection Devices Limited 2 4 78 Vector Shift 2 4 1 Reference Parameter Value VSs 78 Setting 2 0 2 5 30 Fnom Nominal Frequency 50 Hz or 60 Hz 2 4 2 Operate Level Attribute Value VSop Operate Level VSs 2 2 4 3 Operate Time Attribute Value tbasic Basic operate time 40 ms ...

Page 79: ...2 5 2 Operate and Reset Level Attribute Value Fop Operate level 100 Fs 10mHz Reset level Overfrequency 100 hyst xFop 10mHz Underfrequency 100 hyst xFop 10mHz Repeatability 1 Variation 10 C to 55 C 5 2 5 3 Operate and Reset Time Attribute Value tbasic Element basic operate time for ROCOF between 0 1 and 5 0 Hz sec overfrequency Typically 110ms Maximum 150ms underfrequency Typically 110ms Maximum 15...

Page 80: ...0100 100000 101000 864000s Fnom Nominal Frequency 50 Hz or 60 Hz 2 6 2 Operate Level Attribute Value Rop Operate Level Rs 50 mHz s Fnom 3Hz Repeatability 1 Variation 10 C to 55 C 5 2 6 3 Operate and Reset Time Attribute Value tbasic Element basic operate time for ROCOF 1 3x setting Typically 215 ms Maximum 300 ms Element basic operate time for ROCOF 2x setting Typically 185 ms Maximum 200 ms top O...

Page 81: ...vision Functions 3 1 74TCS 74CCS Trip Close Circuit Supervision 3 1 1 Reference Parameter Value td Delay setting 0 0 02 60 s 3 1 2 Operate and Reset Time Attribute Value tbasic Element basic operate time 30ms 10ms top Operate time following delay tbasic td 1 or 10ms Repeatability 1 or 10ms Variation 10 C to 55 C 5 fnom 5 5 ...

Page 82: ...Chapter 3 7SR158 Performance Specification Chapter 3 Page 24 of 24 2013 Siemens Protection Devices Limited ...

Page 83: ...in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the result of negligence or any other cause Any and all such liability is disclaimed 2013 Siemens Protection Devices Limited 7SR158 7SR1587 5xA12 xDA0 Document Release History This document is issue The list of revisions up to and includ...

Page 84: ...Chapter 4 7SR158 Data Communications Chapter 4 Page 2 of 66 2013 Siemens Protection Devices Limited ...

Page 85: ...tion 21 4 2 MODBUS Register Data Types 22 4 2 1 FLOAT_IEEE_754 22 4 2 2 FP_32BITS_3DP 23 4 2 3 UINT32 23 4 2 4 UINT16 23 4 2 5 EVENT 24 4 2 6 EVENTCOUNT 25 4 2 7 TIME_METER 25 4 2 8 STR32 STR64 26 4 2 9 BITSTRING 26 4 3 Point List 27 4 3 1 Coils Read Write Binary values 27 4 3 2 Inputs Read Only Binary values 27 4 3 3 Input Registers Read Only Registers 30 4 3 4 Holding Registers Read Write Regist...

Page 86: ...tion 59 8 2 Connecting a Modem to the Relay s 59 8 3 Setting the Remote Modem 59 8 4 Connecting to the Remote Modem 59 9 Configuration 61 10 Glossary 63 Appendix 1 65 List of Figures Fig 2 1 Communication to Front USB Port 8 Fig 2 2 Communication to Multiple Devices using RS485 Standard Port 10 Fig A1 Operating Mode Table 65 ...

Page 87: ...ions protocols DNP3 IEC 60870 5 103 and MODBUS RTU Note not all protocols are available on all devices Reydisp Evolution or Reydisp Manager Software is available for computers running Microsoft Windows to connect to devices to provide operational information post fault analysis setting interrogation and editing facilities etc Configuration software can be downloaded from our website http www sieme...

Page 88: ...Chapter 4 7SR158 Data Communications Chapter 4 Page 6 of 66 2013 Siemens Protection Devices Limited ...

Page 89: ... communication with the Reydisp software An ASCII protocol is also available through this port the main use of this protocol is to allow the Relay firmware to be updated via the front connection MODBUS RTU or the optional DNP3 protocols are also available Any or all serial ports can be mapped to the IEC60870 5 103 DNP3 or MODBUS RTU protocol at any one time protocols available will depend upon rel...

Page 90: ...enu When connecting to Reydisp using this connection the default settings can be used without the need to first change any settings Access to the communication settings for the USB port is only available from the relay front fascia via the key pad setting menu COMMUNICATIONS MENU Setting Name Range Options Default Setting Notes COM2 USB Protocol OFF IEC60870 5 103 MODBUS RTU ASCII DNP3 IEC60870 5 ...

Page 91: ...ement if it is withdrawn from the case but the chain of communication to the other relays is maintained The following settings on the COMMUNICATIONS MENU must be configured when using the RS485 interface Setting Name Range Options Default Setting Notes COM1 RS485 Protocol OFF IEC60870 5 103 MODBUS RTU DNP3 IEC60870 5 103 The protocol used to communicate on the standard RS485 connection COM1 RS485 ...

Page 92: ...nals 14 16 18 14 16 18 RS485 Screened twisted pair Rear terminals Ext Wire loop terminating resistance added where permanent drive from master station available ve RS485 GND ve Term 14 16 18 20 ve RS485 GND ve Term 14 16 18 20 ve RS485 GND ve Term 14 16 18 20 RS 485 Twisted pair Cable To Control System Fig 2 2 Communication to Multiple Devices using RS485 Standard Port ...

Page 93: ...rating as a slave responding to the master s commands The implementation provides event information time synchronising commands and measurands and also supports the transfer of disturbance records This protocol can be set to use any or all of the relays hardware interfaces USB Fibre Optic RS232 RS485 and Ethernet and is the standard protocol used by the USB port The relay can communicate simultane...

Page 94: ...nd Function table lists possible causes of transmission for these frames The following abbreviations are used Abbreviation Description SE spontaneous event T test mode GI general interrogation Loc local operation Rem remote operation Ack command acknowledge Nak Negative command acknowledge Note Events listing a GI cause of transmission can be raised and cleared other events are raised only ...

Page 95: ...umn of the Information Number and Function table lists the possible ASDUs returned for a point ASDU Description 1 Time tagged message monitor direction 2 Time tagged message relative time monitor direction 3 1 Measurands I 4 Time tagged measurands with relative time 5 Identification message 6 Time synchronisation 7 General Interrogation Initialization 9 Measurands II 20 General command ...

Page 96: ...cal Mode 20 Ack Nak 1 SE GI 60 7 Local Remote 20 Ack Nak 60 12 Control Received 1 SE 60 13 Command Received 1 SE 60 128 Cold Start 1 SE 60 129 Warm Start 1 SE 60 130 Re Start 1 SE 60 131 Expected Restart 1 SE GI 60 132 Unexpected Restart 1 SE GI 1 SE 60 133 Reset Start Count 20 Ack Nak 60 135 Trigger Storage 1 SE 60 136 Clear Waveform Records 1 SE 60 137 Clear Fault Records 1 SE 60 138 Clear Event...

Page 97: ...inary Output 3 20 Ack Nak 1 SE GI 80 4 Binary Output 4 20 Ack Nak 1 SE GI 80 5 Binary Output 5 20 Ack Nak 1 SE GI 80 6 Binary Output 6 20 Ack Nak 1 SE GI 80 7 Binary Output 7 20 Ack Nak 1 SE GI 80 8 Binary Output 8 20 Ack Nak 90 1 LED 1 1 SE GI 90 2 LED 2 1 SE GI 90 3 LED 3 1 SE GI 90 4 LED 4 1 SE GI 90 5 LED 5 1 SE GI 90 6 LED 6 1 SE GI 90 7 LED 7 1 SE GI 90 8 LED 8 1 SE GI 90 9 LED 9 1 SE GI 91 ...

Page 98: ... SE GI 160 38 VT Fuse Failure 1 SE GI 160 68 General Trip 2 SE 160 84 General Start Pick up 2 SE GI 183 60 47 1 2 SE GI 183 61 47 2 2 SE GI 183 81 27 59 1 2 SE GI 183 82 27 59 2 2 SE GI 183 83 27 59 3 2 SE GI 183 84 27 59 4 2 SE GI 183 85 59NIT 2 SE GI 183 86 59NDT 2 SE GI 183 90 81 1 2 SE GI 183 91 81 2 2 SE GI 183 92 81 3 2 SE GI 183 93 81 4 2 SE GI 183 94 81 5 2 SE GI 183 95 81 6 2 SE GI 183 10...

Page 99: ... PhB 2 SE GI 185 39 27 59 PhC 2 SE GI 185 133 78 1 2 SE GI 185 134 78 2 2 SE GI 185 135 81R 1 2 SE GI 185 136 81R 2 2 SE GI 185 137 81R 3 2 SE GI 185 138 81R 4 2 SE GI 185 139 81R 5 2 SE GI 185 140 81R 6 2 SE GI 1 SE 200 1 CB 1 20 Ack Nak 1 SE GI 200 150 User SP Command 1 20 Ack Nak 1 SE GI 200 151 User SP Command 2 20 Ack Nak 1 SE GI 200 152 User SP Command 3 20 Ack Nak 1 SE GI 200 153 User SP Co...

Page 100: ...ch 3 4 2 Measurands The following Measurand EVT and INF numbers apply to this device FW FUN INF Description ASDU COT 183 148 Measurand VL1 2 L2 3 L3 1 VL1 2 3 F VL1 2 1 2x Window 1 VL2 3 1 2x Window 1 VL3 1 1 2x Window 1 VL1 1 2x Window 1 VL2 1 2x Window 1 VL3 1 2x Window 1 F 1 2x Window 0 1 9 Cyclic Refresh rate 5 seconds or value change greater than Window x 183 236 Measurand V Max1 2 3 VPh Max1...

Page 101: ...Chapter 4 7SR158 Data Communications 2013 Siemens Protection Devices Limited Chapter 4 Page 19 of 66 FW FUN ACC Description 182 1 V1 182 2 V2 182 3 V3 ...

Page 102: ...Chapter 4 7SR158 Data Communications Chapter 4 Page 20 of 66 2013 Siemens Protection Devices Limited ...

Page 103: ...SB Fibre Optic RS232 and RS485 The relay can communicate simultaneously on all ports regardless of protocol used The Station Address of the port being used must be set to a suitable address within the range 1 247 to enable communication This can be set by the Communications Menu COM n xxxxx Station Address setting Communication via MODBUS over Ethernet requires external devices Please refer to the...

Page 104: ... xyz i e in this instance xyz The mantissa represents the binary fraction of a number therefore the MSB represents 2 1 or 1 2 1 and its LSB 2 23 or 1 2 23 The following table shows a detailed layout of the mantissa 1 2 1 1 2 2 1 2 3 1 2 4 1 2 21 1 2 22 1 2 23 0 5 0 25 0 125 0 0625 4 768e 7 2 384e 7 1 192e 7 As an example 1 000 000 would be represented as follows hex 49742400 4 9 7 4 2 4 0 0 0 1 0 ...

Page 105: ... follows Address Value 30001 1 30002 E240 On reception these two registers should be interpreted in the correct order as a 32 bit integer 4 2 3 UINT32 The UINT32 is a signed 32 bit integer As it is an integer negative numbers are sent as 2 s complement UINT32 MODBUS In this MODBUS implementation the 32 bit value is stored in 2 16 bit registers in Big Endian format As an example if we take the hex ...

Page 106: ...ling to do this will result in an exception code 2 If no event record is present the exception code 2 will be returned The EVENT register should be polled regularly by the master for events The EVENTCOUNT register can be checked periodically to determine how many events are stored The format of the event record is defined by the zero byte It signifies the type of record which is used to decode the...

Page 107: ... Type 4 Format 4 2 6 EVENTCOUNT The EVENTCOUNT register contains the current number of events in the relay s event buffer On reception this register should be interpreted as a 16 bit integer 4 2 7 TIME_METER The TIME_METER register contains the device s time The time must be read or written in one step therefore the quantity should be 4 registers Failing to do this will result in an exception code...

Page 108: ...it value is stored in the Least Significant Bit LSB of the register The 16 th value would be in the Most Significant Bit MSB Bit values can only be zero or one Any unused bits will be set to zero BITSTRING MODBUS In this MODBUS implementation the 16 bit value is stored in a 16 bit register in Big Endian format As an example assume bits 1 3 9 and 12 are set The binary representation of this would b...

Page 109: ... Output 7 00008 Binary Output 8 00101 Setting G1 selected 00102 Setting G2 selected 00103 Setting G3 selected 00104 Setting G4 selected 00109 CB 1 00155 Remote Mode 00156 Out Of Service Mode 00157 Local Mode 00158 Local Remote 00165 Reset Start Count 00200 User SP Command 1 00201 User SP Command 2 00202 User SP Command 3 00203 User SP Command 4 00204 User SP Command 5 00205 User SP Command 6 00206...

Page 110: ...ilure 10152 47 1 10153 47 2 10155 27 59 1 10156 27 59 2 10157 27 59 3 10158 27 59 4 10159 59NIT 10160 59NDT 10161 81 1 10162 81 2 10163 81 3 10164 81 4 10165 81 5 10166 81 6 10177 CB Total Trip Count 10178 CB Delta Trip Count 10211 Trip Circuit Fail 1 10212 Trip Circuit Fail 2 10213 Trip Circuit Fail 3 10214 CB Total Trip Count 10215 CB Delta Trip Count 10283 Close Circuit Fail 1 10284 Close Circu...

Page 111: ...506 Virtual Input 6 10507 Virtual Input 7 10508 Virtual Input 8 10601 LED 1 10602 LED 2 10603 LED 3 10604 LED 4 10605 LED 5 10606 LED 6 10607 LED 7 10608 LED 8 10609 LED 9 10701 LED PU 1 10702 LED PU 2 10703 LED PU 3 10704 LED PU 4 10705 LED PU 5 10706 LED PU 6 10707 LED PU 7 10708 LED PU 8 10709 LED PU 9 10800 Cold Start 10801 Warm Start 10802 Re Start 10803 Power On 10804 Expected Restart 10805 ...

Page 112: ...00000 Vbc V 30014 Vca Primary FP_32BITS_3DP 1 000000 Vca V 30016 Va Primary FP_32BITS_3DP 1 000000 Va V 30018 Vb Primary FP_32BITS_3DP 1 000000 Vb V 30020 Vc Primary FP_32BITS_3DP 1 000000 Vc V 30022 Va Secondary FP_32BITS_3DP 1 000000 Va V 30024 Vb Secondary FP_32BITS_3DP 1 000000 Vb V 30026 Vc Secondary FP_32BITS_3DP 1 000000 Vc V 30034 Vab Nominal FP_32BITS_3DP 1 000000 Vab Degrees 30036 Vbc No...

Page 113: ...32BITS_3DP 1 000000 Vb Max Demand 30323 V Phase C Max FP_32BITS_3DP 1 000000 Vc Max Demand 30325 V Phase AB Max FP_32BITS_3DP 1 000000 Vab Max Demand 30327 V Phase BC Max FP_32BITS_3DP 1 000000 Vbc Max Demand 30329 V Phase CA Max FP_32BITS_3DP 1 000000 Vca Max Demand 30341 LED1 n BITSTRING 0 000000 Led 1 16 status 30342 LED1 n BITSTRING 0 000000 Led 17 32 status 30343 INP1 n BITSTRING 0 000000 Inp...

Page 114: ...Chapter 4 7SR158 Data Communications Chapter 4 Page 32 of 66 2013 Siemens Protection Devices Limited ...

Page 115: ...or qualifiers supported in addition to the Highest DNP Levels Supported the complete list is described in the attached table For static non change event object requests request qualifier codes 07 and 08 limited quantity and 17 and 28 index are supported Static object requests sent with qualifiers 07 or 08 will be responded with qualifiers 00 or 01 Output Event Object 11 is supported Maximum Data L...

Page 116: ...r Always Sometimes Configurable DIRECT OPERATE NO ACK Never Always Sometimes Configurable Count 1 Never Always Sometimes Configurable Pulse On Never Always Sometimes Configurable Pulse Off Never Always Sometimes Configurable Latch On Never Always Sometimes Configurable Latch Off Never Always Sometimes Configurable Queue Never Always Sometimes Configurable Clear Queue Never Always Sometimes Configu...

Page 117: ... 5 2 beginning on page 36 Point by point list attached Sends Multi Fragment Responses Yes No Configurable Sequential File Transfer Support File Transfer Support Yes No Append File Mode Yes No Custom Status Code Strings Yes No Permissions Field Yes No File Events Assigned to Class Yes No File Events Send Immediately Yes No Multiple Blocks in a Fragment Yes No Max Number of Files Open 0 ...

Page 118: ... 01 start stop 06 no range or all 07 08 limited qty 17 27 28 index 129 response 00 01 start stop 17 28 index see note 2 2 0 Binary Input Change Any Variation 1 read 06 no range or all 07 08 limited qty 2 1 Binary Input Change without Time 1 read 06 no range or all 07 08 limited qty 129 response 130 unsol resp 17 28 index 2 2 default see note 1 Binary Input Change with Time 1 read 06 no range or al...

Page 119: ...00 01 start stop 06 no range or all 07 08 limited qty 17 27 28 index 12 1 Control Relay Output Block 3 select 4 operate 5 direct op 6 dir op noack 17 28 index 129 response echo of request 12 2 Pattern Control Block 3 select 4 operate 5 direct op 6 dir op noack 7 limited quantity 129 response echo of request 12 3 Pattern Mask 3 select 4 operate 5 direct op 6 dir op noack 00 01 start stop 129 respon...

Page 120: ...op 06 no range or all 07 08 limited qty 17 27 28 index 129 response 00 01 start stop 17 28 index see note 2 21 3 32 Bit Frozen Delta Counter with Flag 21 4 16 Bit Frozen Delta Counter with Flag 21 5 32 Bit Frozen Counter without Time Of Freeze 1 read 00 01 start stop 06 no range or all 07 08 limited qty 17 27 28 index 129 response 00 01 start stop 17 28 index see note 2 21 6 16 Bit Frozen Counter ...

Page 121: ...ndex 23 2 16 Bit Frozen Counter Event 1 read 06 no range or all 07 08 limited qty 129 response 17 28 index 23 3 32 Bit Frozen Delta Counter Event 23 4 16 Bit Frozen Delta Counter Event 23 5 32 Bit Frozen Counter Event with Time 1 read 06 no range or all 07 08 limited qty 129 response 130 unsol resp 17 28 index 23 6 32 Bit Frozen Counter Event with Time 1 read 06 no range or all 07 08 limited qty 1...

Page 122: ...06 no range or all 07 08 limited qty 129 response 130 unsol resp 17 28 index 32 2 16Bit Analog Change Event without Time 1 read 06 no range or all 07 08 limited qty 129 response 130 unsol resp 17 28 index 32 3 32Bit Analog Change Event with Time 1 read 06 no range or all 07 08 limited qty 129 response 130 unsol resp 17 28 index 32 4 default see note 1 16Bit Analog Change Event with Time 1 read 06 ...

Page 123: ...x see note 2 34 2 default see note 1 32 bit Analog Input Deadband 2 write 00 01 start stop 07 08 limited qty 17 27 28 index 1 read 00 01 start stop 06 no range or all 07 08 limited qty 17 27 28 index 129 response 00 01 start stop 17 28 index see note 2 34 3 Short Floating Point Analog Input Deadband 2 write 00 01 start stop 07 08 limited qty 17 27 28 index 50 0 Time and Date 1 read 07 08 limited q...

Page 124: ...Object function code only 14 warm restart No Object function code only 23 delay meas No Object function code only 24 record current time Note 1 A Default variation refers to the variation responded when variation 0 is requested and or in class 0 1 2 or 3 scans Default variations are configurable however default settings for the configuration parameters are indicated in the table above Note 2 For s...

Page 125: ...or details 5 3 1 Binary Input Points The default binary input event buffer size is set to allow 100 events Binary inputs are by default returned in a class zero interrogation Note not all points listed here apply to all builds of devices Binary Input Points Static Steady State Object Number 1 Packed Format Change Event Object Number 1 w o Time Static Variation reported when variation 0 requested 1...

Page 126: ... 0 2 2 2 76 81 1 0 2 2 2 77 81 2 0 2 2 2 78 81 3 0 2 2 2 79 81 4 0 2 2 2 84 81 5 0 2 2 2 85 81 6 0 2 2 2 126 Trip Circuit Fail 1 0 2 2 2 127 Trip Circuit Fail 2 0 2 2 2 128 Trip Circuit Fail 3 0 2 2 2 129 CB Total Trip Count 0 2 2 2 130 CB Delta Trip Count 0 2 2 2 207 Close Circuit Fail 1 0 2 2 2 208 Close Circuit Fail 2 0 2 2 2 209 Close Circuit Fail 3 0 2 2 2 210 Close Circuit Fail 0 2 2 2 225 G...

Page 127: ...0 2 2 2 503 Virtual Input 3 0 2 2 2 504 Virtual Input 4 0 2 2 2 505 Virtual Input 5 0 2 2 2 506 Virtual Input 6 0 2 2 2 507 Virtual Input 7 0 2 2 2 508 Virtual Input 8 0 2 2 2 601 LED 1 0 2 2 2 602 LED 2 0 2 2 2 603 LED 3 0 2 2 2 604 LED 4 0 2 2 2 605 LED 5 0 2 2 2 606 LED 6 0 2 2 2 607 LED 7 0 2 2 2 608 LED 8 0 2 2 2 609 LED 9 0 2 2 2 701 LED PU 1 0 2 2 2 702 LED PU 2 0 2 2 2 703 LED PU 3 0 2 2 2...

Page 128: ...906 User SP Command 7 0 2 2 2 907 User SP Command 8 0 2 2 2 972 78 1 0 2 2 2 973 78 2 0 2 2 2 974 81R 1 0 2 2 2 975 81R 2 0 2 2 2 976 81R 3 0 2 2 2 977 81R 4 0 2 2 2 978 81R 5 0 2 2 2 979 81R 6 0 2 2 2 5 3 2 Double Bit Input Points The default double bit input event buffer size is set to allow 100 events Double bit inputs are by default returned in a class zero interrogation Note not all points li...

Page 129: ... Control Relay Output Block CROB point Because many if not most Control Relay Output Block points are controlled through pulse mechanisms the value of the output status may in fact be meaningless Binary Output Status points are not recommended to be included in class 0 polls As an alternative it is recommended that actual status values of Control Relay Output Block points be looped around and mapp...

Page 130: ...iation Static Object 10 Default Variation Event Object 11 Default Command Event Object 13 Assigned Class 1 2 3 or none Default Variation Command Event Object 13 CROB Supported Operations Default CROB Operations 1 RL 1 0 2 2 0 1 Pulse On Latch On Close Pulse On 2 RL 2 0 2 2 0 1 Pulse On Latch On Close Pulse On 3 RL 3 0 2 2 0 1 Pulse On Latch On Close Pulse On 4 RL 4 0 2 2 0 1 Pulse On Latch On Clos...

Page 131: ...or none Default Variation Command Event Object 13 CROB Supported Operations Default CROB Operations 48 Reset CB Total Trip Count write only location 0 2 2 0 1 Pulse On Latch On Close Pulse On 49 Reset CB Delta Trip Count write only location 0 2 2 0 1 Pulse On Latch On Close Pulse On 54 CB 1 0 2 2 0 1 Pulse On Pulse Off Latch On Latch Off Close Trip Pulse On Pulse Off Latch On Latch Off 59 Demand m...

Page 132: ...ect 11 Default Command Event Object 13 Assigned Class 1 2 3 or none Default Variation Command Event Object 13 CROB Supported Operations Default CROB Operations 103 User SP Command 5 0 2 2 0 1 Pulse On Latch On Close Pulse On 104 User SP Command 6 0 2 2 0 1 Pulse On Latch On Close Pulse On 105 User SP Command 7 0 2 2 0 1 Pulse On Latch On Close Pulse On 106 User SP Command 8 0 2 2 0 1 Pulse On Latc...

Page 133: ...ons Default CROB Operations Latch On Latch Off Close Trip 113 User DP Command 7 0 2 2 0 1 Pulse On Pulse Off Latch On Latch Off Close Trip Pulse On Pulse Off 114 User DP Command 8 0 2 2 0 1 Pulse On Pulse Off Latch On Latch Off Close Trip Pulse On Pulse Off 5 3 4 Counters The following table lists both Binary Counters Object 20 and Frozen Counters Object 21 When a freeze function is performed on a...

Page 134: ...lag and Time Counter Frozen Counter FW Point Index Name Description Default Change Event Assigned Class 1 2 3 or none Default Variation Static Object 20 Default Variation Event Object 22 Deadband Is Resettable IsFreezable Default Change Event Assigned Class 1 2 3 or none Default Variation Static Object 21 Default Variation Event Object 23 0 Waveform Records 0 3 5 1 1 0 2 9 1 1 Fault Records 0 3 5 ...

Page 135: ...nt Analog Input with Time Analog Input Reporting Deadband Variation reported when variation 0 requested 1 16 Bit or 2 32 Bit or 3 Single Precision floating point FW Point Index Name Description Default Change Event Assigned Class 1 2 3 or none Default Variation Static Object 30 Default Variation Event Object 32 Default Multiplier Default Deadband 0 Frequency 0 3 2 4 100 000 1 000 1 Vab Primary 0 3...

Page 136: ...on floating point FW Point Index Name Description Default Change Event Assigned Class 1 2 3 or none Default Variation Static Object 30 Default Variation Event Object 32 Default Multiplier Default Deadband 174 V Phase A Max 0 3 2 4 0 010 100 000 175 V Phase B Max 0 3 2 4 0 010 100 000 176 V Phase C Max 0 3 2 4 0 010 100 000 177 V Phase AB Max 0 3 2 4 0 010 100 000 178 V Phase BC Max 0 3 2 4 0 010 1...

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Page 138: ...Chapter 4 7SR158 Data Communications Chapter 4 Page 56 of 66 2013 Siemens Protection Devices Limited ...

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Page 140: ...Chapter 4 7SR158 Data Communications Chapter 4 Page 58 of 66 2013 Siemens Protection Devices Limited ...

Page 141: ...ote dialling to the relays The first is that the modem at the remote end must be configured as auto answer This will allow it to initiate communications with the relays Next the user should set the data configuration at the local port i e baud rate and parity so that communication will be at the same rate and format as that set on the relay and the error correction is disabled Auto answer usually ...

Page 142: ...re a dial up modem system is installed the settings on the remote modem are fixed so the local modem should negotiate with it on connection choosing suitable matching settings Where this is not possible the local modem should be set with settings equivalent to those of the remote modem as described above ...

Page 143: ...to the relay Files may also be saved to and loaded from disc to work offline The protocols will be stored in a Reyrolle Protection Device Comms file RPDC which will be stored locally so that the editor can be used when the relay is not connected DNP3 The tool will allow Data Points to be enabled or disabled Changing the point numbers for the Binary Inputs Double Bit Inputs Binary Outputs Counters ...

Page 144: ...ed to an analogue value before transmission The user can check if the relay contains user configured communication files via a meter in the relay menus Pressing the Enter and down arrow buttons on the fascia then scrolling down the number of files stored in the relay is displayed The file name can also be viewed by pressing the Cancel and Test Reset buttons together when in the relay Instruments m...

Page 145: ...us Communications Communications in two directions simultaneously Half Duplex Asynchronous Communications Communications in two directions but only one at a time Hayes AT Modem command set developed by Hayes Microcomputer products Inc LAN Local Area Network A computer network covering a small geographic area LC Fibre optic connector type designed by Lucent Technologies Inc Line Idle Determines whe...

Page 146: ...dard Electronic Industries Association Recommended Standard Number 485 Start Bit Bit logical 0 sent to signify the start of a byte during data transmission Stop Bit Bit logical 1 sent to signify the end USB Universal Serial Bus standard for the transfer of data WAN Wide Area Network A computer network covering a large geographic area ...

Page 147: ... when Com2 Mode Local when Com2 Mode Remote Com3 when Com3 Mode Local when Com3 Mode Remote Com4 when Com4 Mode Local when Com4 Mode Remote Fascia Control Mode Function Key n when F Key n Mode Remote Binary Input n when BI n Mode Local when BI n Mode Remote Binary Outputs Reporting Spontaneous IEC DNP3 General Interrogation IEC DNP3 MODBUS Change Settings Com1 when Com1 Mode Local when Com1 Mode R...

Page 148: ...Devices Limited Siemens Protection Devices Ltd SPDL P O Box 8 Hebburn Tyne and Wear NE31 1TZ United Kingdom For enquiries please contact our Customer Support Centre Tel 49 180 524 8437 24hrs Fax 49 180 524 2471 E Mail support ic siemens com www siemens com protection Template Revision 5 ...

Page 149: ...ced from this document unless Siemens Protection Devices Limited consent While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the result of negligence or any other cause Any and all such liability is disclaimed 2013 Siemens Protection Devices Limite...

Page 150: ...Chapter 5 7SR158 Installation Guide Chapter 5 Page 2 of 14 2013 Siemens Protection Devices Limited ...

Page 151: ...s and Panel Fixings 8 3 1 Relay Dimensions and Weight 8 3 2 Fixings 9 3 2 1 Crimps 9 3 2 2 Panel Fixings 9 Section 4 Rear Terminal Drawings 10 4 1 E4 Case 10 Section 5 Connection Wiring Diagrams 12 5 1 Voltage Transformer Configurations 13 Section 6 Data Comms Connections 14 6 1 RS485 Connection 14 List of Figures Figure 3 1 1 Overall Dimensions and Panel Drilling for Size E4 Epsilon Case 8 Figure...

Page 152: ...Chapter 5 7SR158 Installation Guide Chapter 5 Page 4 of 14 2013 Siemens Protection Devices Limited ...

Page 153: ...ed in its case The relay element should not be withdrawn or reinserted into the relay case while auxiliary voltage is present There can be no requirement to disassemble any relay since there are no user serviceable parts in the relay If any modules have been tampered with then the guarantee will be invalidated Siemens Protection Devices Limited reserves the right to charge for any subsequent repai...

Page 154: ... w Latest Version available 32 bit using USB port situated on front of the relay 1 7 Disposal The Relay should be disposed of in a manner which does not provide a threat to health or the environment All laws and regulations specific to the country of disposal should be adhered to The relays and protection systems manufactured under the Reyrolle brand currently do not come within the scope of eithe...

Page 155: ... Conditions 2 1 External Resistors Where external resistors are connected to the relay circuitry these may present a danger of electric shock or burns if touched 2 2 Front Cover The front cover provides additional securing of the relay element within the case The relay cover should be in place during normal operating conditions ...

Page 156: ...d Panel Fixings 3 1 Relay Dimensions and Weight Relays are supplied in the modular size E4 The following drawing which is available from the website gives panel cut out and mounting details 168 159 177 151 5 Figure 3 1 1 Overall Dimensions and Panel Drilling for Size E4 Epsilon Case Hardware Model Net Weight Kg 7SR158 2 7 ...

Page 157: ...1 Crimps Ring tongued crimps with 90 bend are recommended 3 2 2 Panel Fixings Typical mounting screw kit per Relay Consists of 4 off M4x10mm Screws 4 off M4 Nuts 4 off M4 Lock Washer Typical rear terminal block fixing kit 1kit per terminal block fitted to relay consists of 28 off M4 8mm Screws 28 off M4 Lock Washer ...

Page 158: ... Case viewed from rear Notes 1 Recommended terminations are pre insulated and must be crimped using approved tooling 2 RS485 Block B Terms 14 16 18 20 connection to this communication facility is by screened twisted pair cable On site when wiring other facilities ensure that these terminals are not obscured by other wiring runs Cable should be RS485 compliant ...

Page 159: ...Chapter 5 7SR158 Installation Guide 2013 Siemens Protection Devices Limited Chapter 5 Page 11 of 14 Figure 4 1 2 E4 Case Terminal Arrangement viewed from rear ...

Page 160: ...Chapter 5 7SR158 Installation Guide Chapter 5 Page 12 of 14 2013 Siemens Protection Devices Limited Section 5 Connection Wiring Diagrams Figure 4 1 3 7SR158 Connection Diagram ...

Page 161: ...elay Voltage Configuration Setting Description Connection Van Vbn Vcn 27 59 47 59N 78 81 81R Phase Neutral Phase Phase Calculated NPS ZPS A B C B17 B19 B21 B23 B25 B27 Va Vb Vc Vab Vbc 3Vo 27 59 47 59N 78 81 81R Phase Neutral Phase Phase Calculated NPS ZPS Va Vb Vc 27 59 47 78 81 81R Phase Neutral Phase Phase Calculated NPS No ZPS available ...

Page 162: ... ADE feature The last device in the connection must be terminated correctly in accordance with the master driving the connection A terminating resistor is fitted in each relay when required this is connected in circuit using an external wire loop between terminals 18 and 20 of the power supply module Up to 64 relays can be connected to the RS485 bus The RS485 data communications link with a partic...

Page 163: ...ced from this document unless Siemens Protection Devices Limited consent While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the result of negligence or any other cause Any and all such liability is disclaimed 2013 Siemens Protection Devices Limite...

Page 164: ...Chapter 6 7SR158 Commissioning Maintenance Guide Chapter 6 Page 2 of 24 2013 Siemens Protection Devices Limited ...

Page 165: ...nalogue Energising Quantities 8 1 5 Binary Inputs 8 1 6 Binary Outputs 9 1 7 Relay Case Shorting Contacts 9 Section 2 Protection Functions 10 2 1 Over Under Voltage 11 2 1 1 Phase Under Over Voltage 27 59 11 2 1 2 Undervoltage Guard 27 59UVG 12 2 1 3 NPS Overvoltage 47 13 2 1 4 Neutral Overvoltage 59N 14 2 1 5 Vector Shift 78 16 2 2 Under Over Frequency 17 2 2 1 Phase Under Over Frequency 81 17 2 ...

Page 166: ...er 6 7SR158 Commissioning Maintenance Guide Chapter 6 Page 4 of 24 2013 Siemens Protection Devices Limited List of Figures No table of figures entries found List of Tables Table 2 1 Troubleshooting Guide 24 ...

Page 167: ... power sources are involved since the selection of an inappropriate range on a multi range instrument could lead to a dangerous flashover 1 2 2 Sequence of Tests If other equipment is to be tested at the same time then such testing must be co ordinated to avoid danger to personnel and equipment When cabling and wiring is complete a comprehensive check of all terminations for tightness and complian...

Page 168: ...s are returned to the required service state A copy of the Relay Settings as a Rich Text Format rtf file suitable for printing or for record purposes can be produced from Reydisp as follows From the File menu select Save As change the file type to Export Default Actual Setting RTF and input a suitable filename When testing is completed the event and waveform records should be cleared and the setti...

Page 169: ...ould be pressed to ensure any existing indication and output is correctly cleared 1 3 Tests 1 3 1 Inspection Ensure that all connections are tight and correct to the relay wiring diagram and the scheme diagram Record any deviations Check that the relay is correctly programmed and that it is fully inserted into the case Refer to Section 2 Settings and Instruments for information on programming the ...

Page 170: ...at its mapping and functionality is as set as part of the Scheme Operation tests Where the pick up timers associated with a binary input are set for DC operation these delays should be checked either as part of the scheme logic or individually To check a binary pick up time delay temporarily map the binary input to an output relay that has a normally open contact This can be achieved in the Output...

Page 171: ...m operate time This time is specified in the Output Config Binary Output Config menu for each output relay and may be too short to measure with a continuity tester An alternative method of energising an output permanently so that wiring can be checked is to temporarily map the relay being tested to the Protection Healthy signal in the Output Matrix as this signal is permanently energised the mappe...

Page 172: ...e Output Matrix menu and used to assess operation of functions during testing if other functions are disabled or if the setting allocating General Pickup is temporarily modified It should be considered that where several overlapping elements are used simultaneously the overall protection operate time may be dependent on the operation of different individual elements at the various levels of applie...

Page 173: ...ct s to stop the test set Step the applied voltage to a level below the setting The test set should be stopped at the operate time setting 5 Test inputs VL2 and VL3 by repeating the above if necessary Where more than one overvoltage 59 elements are being used with different settings it is convenient to test the elements with the highest settings first The elements with lower settings can then be t...

Page 174: ... the installation wiring diagram utilising any test socket facilities available It may be useful to temporarily map an LED as General Pickup to assist during testing 27UVG operation will reset the General Pickup if no other element is operated This LED should not be set as Hand Reset in the Output matrix Starting from nominal voltage apply a step decrease to the applied voltage to a level below th...

Page 175: ...se voltage connections should be reversed so that the applied balanced 3P voltage is all Negative Phase Sequence If the 47 n delay is small gradually increased the applied balanced 3P voltage until element operates If DTL is large apply 0 9x setting check for no operation apply 1 1x setting check operation Apply 2x setting current if possible and record operating time Setting Volts Delay sec Hyst ...

Page 176: ...Seting Volts Delay sec P U Current Volts Operate Time 2 x Vs Tolerance E Check correct indication trip output alarm contacts waveform record 2 1 4 2 Inverse Time 59NIT It will be advantageous to map the function being tested to temporarily drive the relevant Pickup output in the Pickup Config sub menu in the Output Config menu as this will allow the Pick up led to operate for the function Graduall...

Page 177: ...ion Devices Limited Chapter 6 Page 15 of 24 2 1 4 3 Element Blocking The Neutral Overvoltage elements can be blocked by Binary Input Inhibit This functionality should be checked Element BI Inhibits 59NIT 59NDT When testing is complete reinstate any of the disabled functions ...

Page 178: ...should be no difference between the element picking up and operating Therefore the 78 n output contact can be used for both pick up and timing measurements Voltage Vector Shift P U Phase Step Operate Time sec UV Guard NOTES The applied voltage must be above the 78 UV Guard Ph N0 Setting in the Vector Shift menu for the element to operate This setting can be tested by applying the test voltage at a...

Page 179: ... disabled If the 81 n Delay setting is long it will be advantageous to map the function to temporarily drive the relevant Pickup output in the Pickup Config sub menu in the Output Config menu as this will allow the Pick up led to operate for the function If the delay setting is short the operation of the element can be easily checked directly The frequency should then be gradually decreased increa...

Page 180: ... Siemens Protection Devices Limited 2 2 1 1 Element Blocking The U O Frequency elements can be blocked by Binary Input Inhibit This functionality should be checked Element BI Inhibits 81 1 81 2 81 3 81 4 81 5 81 6 When testing is complete reinstate any of the disabled functions ...

Page 181: ...t in the Pickup Config sub menu in the Output Config menu as this will allow the Pick up led to operate for the function If the delay setting is short the operation of the element can be easily checked directly The frequency gradient should then be gradually decreased increased until the element resets Apply voltage frequency gradient at twice setting level and record operating time ROCOF Hertz s ...

Page 182: ...3 Siemens Protection Devices Limited 2 2 2 1 Element Blocking The ROCOF elements can be blocked by Binary Input Inhibit This functionality should be checked Element BI Inhibits 81R 1 81R 2 81R 3 81R 4 81R 5 81R 6 When testing is complete reinstate any of the disabled functions ...

Page 183: ... 3 Supervision Functions 3 1 Trip Close Circuit Supervision 74T CCS Voltage Inputs n a Disable n a Map Pickup LED 74TCS n Self Reset The T CCS n Delay can be initiated by applying an inversion to the relevant status input and measured by monitoring of the alarm output TCS n Delay setting Measured CCS n Delay setting Measured ...

Page 184: ...is functionality is used the logic equations may interfere with testing of other protection functions in the relay The function of the Quick Logic equations should be tested conjunctively with connected plant or by simulation to assess suitability and check for correct operation on an individual basis with tests specifically devised to suit the particular application ...

Page 185: ...ction of each element 5 2 Maintenance Relay failure will be indicated by the Protection Healthy LED being off or flashing A message may also be displayed on the LCD In the event of failure Siemens Protection Devices Ltd or one of its agents should be contacted see defect report sheet in section 5 3 The relay should be returned as a complete unit No attempt should be made to disassemble the unit to...

Page 186: ...user intervention This is normal operation default instruments are enabled Remove all instruments from the default list and only add those that are required See Section 2 Settings and Instruments Cannot communicate with the relay Check that all of the communications settings match those used by Reydisp Evolution Check that all cables modems and fibre optic cables work correctly Ensure that IEC 608...

Page 187: ...ced from this document unless Siemens Protection Devices Limited consent While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the result of negligence or any other cause Any and all such liability is disclaimed 2014 Siemens Protection Devices Limite...

Page 188: ...Chapter 7 7SR158 Applications Guide Chapter 7 Page 2 of 24 2014 Siemens Protection Devices Limited ...

Page 189: ...Frequency 81 10 2 6 Rate of Change of Frequency 81R 11 2 6 1 Loss of Mains LOM 11 2 6 2 Load Shedding 11 Section 3 Control Functions 13 3 1 Quick Logic Applications 13 3 1 1 Auto Changeover Scheme Example 13 Section 4 Supervision Functions 14 4 1 Trip Close Circuit Supervision 74T CCS 14 4 1 1 Trip Circuit Supervision Connections 14 4 1 2 Close Circuit Supervision Connections 16 4 2 Circuit Breake...

Page 190: ... Figure 3 1 1 Quick Logic Example 13 Figure 4 1 1 Trip Circuit Supervision Scheme 1 H5 14 Figure 4 1 2 Trip Circuit Supervision Scheme 2 H6 15 Figure 4 1 3 Trip Circuit Supervision Scheme 3 H7 15 Figure 4 1 4 Close Circuit Supervision Scheme 16 Figure 5 1 1 Example of Transformer Alarm and Trip Wiring 18 Figure 5 1 2 Example Binary Input Configurations Providing Compliance with EATS 48 4 Classes E...

Page 191: ...to disconnect from both the electricity system and local loads when LoM occurs Following restoration of the electricity system the embedded generation must then be safely re synchronised with the system before the connection is restored Restoring the electrical network with the distributed generation still connected can lead to CB damage and voltage disturbances The LoM detection must therefore be...

Page 192: ...oltage drop e g to below 80 may cause the motors to stall An undervoltage element can be set to trip motor circuits when the voltage falls below a preset value so that on restoration of supply an overload is not caused by the simultaneous starting of all the motors A time delay is required to ensure voltage dips due to remote system faults do not result in an unnecessary disconnection of motors To...

Page 193: ...the source of supply and can result in mass failures in an industrial plant The two NPS Voltage DTL elements should therefore be used as Alarms to indicate that the level of NPS has reached abnormal levels Remedial action can then be taken such as introducing a Balancer network of capacitors and inductors Very high levels of NPS Voltage indicate incorrect phase sequence due to an incorrect connect...

Page 194: ...citor cone adaptor unit type 7XG21 is used with the 7SR158 to enable the relay input to be calibrated for a range of capacitor cone values such that protection settings and instruments can be scaled to the primary NVD value see Figure 2 3 2 2 3 2 Derived Neutral Voltage Neutral voltage can be derived from the three phase to neutral voltages the relay will derive neutral voltage when the CT VT CONF...

Page 195: ...local load and the mains network such as happens with some industrial systems disconnection from the mains network would create an islanding condition in which there may be an excess of electrical supply and the voltage would tend to jump forward There is an obvious link between the 78 element and the 81R Rate of Change of Frequency element However the equivalent vector shift seen for expected ROC...

Page 196: ...h to monitor the busbar frequency Loads are disconnected from the busbar shed in stages until the frequency stabilises and returns to an acceptable level The relay has six under over frequency elements An example scheme may have the first load shedding stage set just below the nominal frequency e g between 49 0 49 5Hz A time delay element would be associated with this to allow for transient dips i...

Page 197: ...eration should not be great If the User is concerned about vector shifts below 3 then the delay setting should used to delay operation of the 81R element A delay of 300ms will ensure that the 81R element will not operate for a vector shift of any size 2 6 1 Loss of Mains LOM ROCOF s of up to 0 1 Hz s can be expected on power networks due to normal system operations The G 59 standard defining the r...

Page 198: ...t should never be set too sensitively or too fast acting inadvertent loss of load having a potentially catastrophic effect on the power network The provision of programmable logic in the Relays means that Protection features can be easily configured to provide quite complex control functionality For example following a load shedding event an 81 Under Over Frequency element can be configured to pro...

Page 199: ... that CB 1 has opened e g Binary Input 1 and that no current flows in the circuit e g 37 1 Virtual 1 Incomer 1 Relay is Configured CB1 Open auxiliary switch wired to BI 1 Trip output to CB1 BO 2 OUTPUT CONFIG OUTPUT MATRIX 37 1 V1 OUTPUT CONFIG OUTPUT MATRIX E1 BO3 CONTROL LOGIC QUICK LOGIC E1 O2 I1 V1 The output from Incomer 1 Binary Output 3 relay is input to the relay on CB 3 Binary Input 1 A p...

Page 200: ...r 74CCS in the INPUT CONFIG INPUT MATRIX menu To avoid giving spurious alarm messages while the circuit breaker is operating the input is given a 0 4s Drop off Delay in the INPUT CONFIG BINARY INPUT CONFIG menu To provide an alarm output a normally open binary output is mapped to 74TCS n or 74CCS n 4 1 1 Trip Circuit Supervision Connections The following circuits are derived from UK ENA S15 standa...

Page 201: ...e pre closing supervision of the connections and links between the tripping contacts and the circuit breaker and may not therefore be suitable for some circuits which include an isolating link Scheme 3 Comprehensive BI ve ve BO BI ve ve TRIP COIL 52a 52b Circuit Breaker TRIP CCT n FAIL BO 1 BO n Remote Alarm R R H7 Scheme Notes BI 19V 48 110 220V supply R 3K3 typical Figure 4 1 3 Trip Circuit Supe...

Page 202: ...ns Guide Chapter 7 Page 16 of 24 2014 Siemens Protection Devices Limited 4 1 2 Close Circuit Supervision Connections Figure 4 1 4 Close Circuit Supervision Scheme Close circuit supervision with the circuit breaker Open or Closed ...

Page 203: ...n Counters along with an I2 t Counter to estimate the amount of wear and tear experienced by a Circuit Breaker Alarm can be provided once set levels have been exceeded Typically estimates obtained from previous circuit breaker maintenance schedules or manufacturers data sheets are used for setting these alarm levels The relay instrumentation provides the current values of these counters ...

Page 204: ...tus signals etc into the Relay 5 1 1 Alarm and Tripping Inputs A common use of binary inputs is to provide indication of alarm or fault conditions e g transformer Buchholz Gas or Buchholz Surge conditions The Binary Inputs are mapped to LED s waveform storage trigger and binary outputs Note that transformer outputs which require high speed tripping such as a Buchholz Surge should be wired to a bin...

Page 205: ...vide a tripping function and it is considered to be susceptible to mal operation the external circuitry can be modified to provide immunity to such disturbances see figure 1 2 2 5 1 3 AC Rejection The default pick up time delay of 20ms provides immunity to ac current for dc applications e g induced from cross site wiring Binary inputs can be configured for intentional operation from an ac power su...

Page 206: ...4 2014 Siemens Protection Devices Limited 2 Set quicklogic equation E1 to operate from Binary Input 1 and apply required delays 3 Set equation E1 to operate virtual I O V1 in the Output Matrix 4 Set virtual I O V1 to operate Inhibit 27 59 1 in the Input Matrix ...

Page 207: ...8V binary input will give an added measure of immunity compared to the 19V binary input due to its higher minimum pickup voltage As a guide to suitable degrees of enhanced immunity we have adopted the parameters laid down in U K standard EATS 48 4 This standard identifies two levels of immunity Category ESI 1 may be adopted for connections which do not include significant wiring runs or cabling ou...

Page 208: ...pter 7 7SR158 Applications Guide Chapter 7 Page 22 of 24 2014 Siemens Protection Devices Limited Figure 5 1 2 Example Binary Input Configurations Providing Compliance with EATS 48 4 Classes ESI 1 and ESI2 ...

Page 209: ...pplications Hand reset contacts are used where the output must remain active until the user expressly clears it e g in a control scheme where the output must remain active until some external feature has correctly processed it Notes on Self Reset Outputs With a failed breaker condition the relay may remain operated until current flow in the primary system is interrupted by an upstream device The r...

Page 210: ...y in the event of supply loss Each LED can be assigned as red yellow or green in colour There are two methods for doing this 1 In the LED Matrix tab to assign the LED as a red colour select a box on the red row To assign the LED as a green colour select a box on the green row To assign the LED as a yellow colour select boxes on both the red and green rows NB If there are no boxes selected the LED ...

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Page 212: ... 49 180 524 70 00 Fax 49 180 524 24 71 Charges depending on provider E mail support energy siemens com Power Distribution Division Order No C53000 G7076 C67 1 Printed in Fürth Printed on elementary chlorine free bleached paper All rights reserved Trademarks mentioned in this document are the property of Siemens AG its affiliates or their respective owners Subject to change without prior notice The...

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