Basler BE1-51C Instruction Manual Download Page 6

Page: 6 / 66

CONTENTS - Continued

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
In-House Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Built-In-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Batch Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Timekeeping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Section 8

MANUAL CHANGE INFORMATION

8-1

REFERENCES

On Inside Rear Cover

Summary of Contents for BE1-51C

Page 1: ...SE TIME 1 TAP TAP PHASE GROUND RS 232 PORT D W N UP TMG TMG C B A A B C D E F G H I J A B C D E F G H I J J I H G F E D C B A TAP 11 0 10 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 HIGH 5 0 4 5 4 0 3 5 3 0 2 5...

Page 2: ...al provides information concerning the operation and installation of To accomplish this the following is provided Specifications Functional description Mounting information Operational Test Procedure...

Page 3: ...rinted in USA November 1994 It is not the intention of this manual to cover all details and variations in equipment nor does this manual provide data for every possible contingency regarding installat...

Page 4: ...INDICATORS 2 1 Section 3 FUNCTIONAL DESCRIPTION 3 1 General 3 1 Current Sensing 3 1 Power Supply 3 1 General 3 1 Loss of Power Sensing 3 3 Analog to Digital A D Converter 3 3 Internal Microcomputer 3...

Page 5: ...Settings 4 6 Entering the Settings 4 7 Section 5 OPERATION BY COMPUTER 5 1 Equipment and Procedures 5 1 General 5 1 Port Converter 5 1 Baud Rate 5 1 The Registers 5 1 General 5 1 The Secure Registers...

Page 6: ...ed Section 7 MAINTENANCE 7 1 General 7 1 In House Repair 7 1 Storage 7 1 Troubleshooting 7 2 Built In Test 7 2 Batch Programs 7 2 Timekeeping 7 2 Section 8 MANUAL CHANGE INFORMATION 8 1 REFERENCES On...

Page 7: ...is provided by front panel rotary switches One switch simultaneously sets the pickup point for all the monitored phases If neutral is also monitored a second rotary switch independently sets the neutr...

Page 8: ...target indicator is set to show that an instantaneous output was tripped On multi phase relays additional indicators denote the phase or neutral element which initiated the timing The desired instanta...

Page 9: ...eutral functions incorporated with phase functions 51 INST1 This is how BE1 51C SCOR version 1 5 and previous functioned 0000 1011 0bh Neutral function disabled for 51 element Neutral function enabled...

Page 10: ...5 provides for intercommunication between the relay and a system control computer over a shielded twisted pair at distances of up to 4000 feet For RS 485 wiring connections see Section 5 System Consid...

Page 11: ...igures 1 2 through 1 9 The sixth character represents the most convenient source of operating power for the relay If it is J the internal power for the relay is derived from an external source of 125...

Page 12: ...BE1 51C General Information 1 6 Figure 1 1 Style Number Identification Chart...

Page 13: ...LOW 0 5 5 A Range is independently specified for phase and neutral by the second digit of the Style Number The TAP range plate s on the front panel indicate which range HIGH or LOW is specified Picku...

Page 14: ...uter at distances up to 4000 feet using baud rates up to 19 200 Power Supply Power for the internal circuitry may be derived from ac or dc external power sources as indicated in Table 1 1 Table 1 1 Po...

Page 15: ...t of approximately 2 0 milliamperes per terminal is to be expected when high potting at 1000 Vac 60 hertz 1500 Vac at 60 hertz for one minute may be applied across current sensing input terminals betw...

Page 16: ...BE1 51C General Information 1 10 Figure 1 2 Timing Option B1 Short Inverse 99 1250 Figure 1 3 Timing Option B2 Long Inverse 99 1251...

Page 17: ...BE1 51C General Information 1 11 Figure 1 4 Timing Option B3 Definite Time 99 1252 Figure 1 5 Timing Option B4 Moderate Inverse 99 1253...

Page 18: ...BE1 51C General Information 1 12 Figure 1 6 Timing Option B5 Inverse 99 1254 Figure 1 7 Timing Option B6 Very Inverse 99 1255...

Page 19: ...BE1 51C General Information 1 13 Figure 1 8 Timing Option B7 Extremely Inverse 99 1256 Figure 1 9 Timing Option B8 I2 T 99 1257...

Page 20: ...his plate is simply for guidance in interpreting the TAP value table D FUNC DATA This four character seven segment LED display with display right hand decimal point for each digit has two modes of ope...

Page 21: ...BE1 51C Controls and Indicators 2 2 Figure 2 1 Location of Controls and Indicators...

Page 22: ...ntal adjustment of the ground current pickup point The switch positions are defined for both HIGH and LOW range in a table printed on the front panel locator O Intermediate settings between the switch...

Page 23: ...AP switches locators A and G P FUNCTION targets Magnetically latched indicators that change from black to orange when a relay output has tripped Note that the current through the associated output con...

Page 24: ...el rotary switches one for the phases and another for neutral if neutral current is monitored The current setting represented by each of the 10 switch positions is given for each range HIGH and LOW in...

Page 25: ...BE1 51C Functional Description 3 2 Figure 3 1 Functional Block Diagram...

Page 26: ...toward trip Once the sensed current falls below pickup the relay is reset and all accumulated time is cancelled When the value of a sensed current exceeds the pickup setting the TIMING LED for that p...

Page 27: ...econd output relay when controlled by the computer cannot simultaneously serve as an instantaneous output TARGET INDICATORS Targets are provided for each function TIME INST 1 and INST 2 or CLOSE Targe...

Page 28: ...y others that aren t are also accessible by remote computer and by local terminal This aspect of relay control is covered in Section 5 CONFIGURATION MODE Defined Configuring the relay means loading th...

Page 29: ...Neutral Instantaneous 1 X TAP 0 50 to 020 0 10 nin2 Neutral Instantaneous 2 X TAP 0 50 to 020 0 11 Pcur Phase time overcurrent curve type b1 thru b8 12 ncur Neutral time overcurrent curve type b1 thru...

Page 30: ...600 9 600 4 800 4 800 default value 2 400 2 400 1 200 1 200 600 0 600 300 0 300 The next advance wraps to 19 20 The selected baud rate is loaded into the relay nonvolatile memory with the return to th...

Page 31: ...g the CT Ratios Registers 13 through 16 Table 4 1 provide a multiplier that allows the microprocessor to match the relay response to the turns ratio of the system CTs The relative turns ratio of the C...

Page 32: ...display will automatically step through all of the read only registers i e it will scroll in the sequence of Table 4 3 then wrap around and repeat This scrolling process first presents the name of th...

Page 33: ...isplay The error code display is the last register of the sequence described in Table 4 3 In the event of a malfunction the Error Code register can narrow the search for possible causes When this regi...

Page 34: ...0 A Then Span Tap D Tap C 0 50 Difference Pickup value Tap C 0 10 Cal value phase Difference Span 0 10 0 50 20 4 The ratio of the phase Instantaneous Overcurrent pickup to the phase Time Overcurrent...

Page 35: ...to the Neutral Curve Type register 3 Enter 0070 into the Phase Tap Cal register and 0020 into the Neutral Tap Cal register 4 Enter 4 0 into the Phase Instantaneous 1 Overcurrent register and also into...

Page 36: ...or RS 232 channels in which case the command to change the baud rate must be received at the existing rate Alternatively the baud rate may be changed using the front panel setting method The baud rat...

Page 37: ...sters See below 50 thru 59 General Status Registers 60 thru 79 Settings 80 thru 89 Input Connections 90 thru 99 Product Specific Registers 100 thru 149 History Registers 150 thru 255 Reserved Instrume...

Page 38: ...rresponds to register 255 2 RELAY TYPE This 2 byte register contains information about the type of relay and REVISION the level of revision The format of this register is LEVEL READ ONLY Byte Number N...

Page 39: ...ctory default settings 02 Reset relay 03 Restart main CPU 04 Not used 05 Set history log registers 100 120 to zero 06 Reset register 30 max min polyphase current 07 Not used 08 Reset register 36 max m...

Page 40: ...IOD minutes is the default value 0000 indicates a number under the instrumentation range of the relay FFFF indicates a number over the instrumentation range of the relay 26 DEMAND This 40 byte registe...

Page 41: ...read at the front panel display The time stamp indicates the time of the event in a packed binary format that is decoded by BEBUS 0000 indicates a number under the instrumentation range of the relay...

Page 42: ...ents primary for DEMAND phases A B C and ground and the time that each CURRENT maximum and minimum occurred READ ONLY Byte Number Value in kA 1 2 Max Phase A Current 3 4 Min Phase A Current 5 6 Max Ph...

Page 43: ...erflow bit 8 calibrate calculation overflow bit 9 burden resistor calculation overflow bit 10 floating point calibration constant conversion overflow During normal operation this register should read...

Page 44: ...utput which is always of the normally closed type This register is bit mapped to represent the outputcontacts as follows bit 0 unused bit 4 spare bit 1 Inst 2 or Command Close bit 5 spare bit 2 Inst 1...

Page 45: ...s and timestamps are taken for each excursion above pickup for each phase bytes 5 through 28 In order for this register to be updated the input current of at least one phase must exceed the timed trip...

Page 46: ...AP CAL setting for phases and ground Range SETTING is 0 to 99 for each setting SECURED 64 INSTANTAN Holds the instantaneous overcurrent trip settings The EOUS SETTING setting range is 0 75 to 20 times...

Page 47: ...1 02 b2 Long inverse 1 2 03 b3 Definite time 1 3 04 b4 Moderately inverse 1 4 05 b5 Inverse 1 5 06 b6 Very inverse 1 6 07 b7 Extremely inverse 1 7 67 TAP RANGE Indicates the current sensing input ran...

Page 48: ...ase 0 to 99999 13 16 Total Neutral 0 to 99999 93 OUTPUT Indicates the output configuration of the relay when CONFIGURA Option 1 2 is incorporated Possible assigned values TION for this register are SE...

Page 49: ...BE1 51C Operation By Computer 5 14 Figure 5 1 RS 232 Port Connector Wiring...

Page 50: ...BE1 51C Operation By Computer 5 15 Figure 5 2 RS 485 Port Connector Wiring...

Page 51: ...relay be removed and the cradle withdrawn from the case so as not to produce false readings during the wiring insulation test 4 When the connecting plugs are removed the relay is disconnected from th...

Page 52: ...the relay and to set the controls for a specific application Each phase of a two or three phase relay may be tested as a single phase device using the procedures given Check the Style Number Identific...

Page 53: ...A current source with the following capabilities a Current output should be switchable so that the test current can be adjusted before it is applied to the relay s sensing inputs b The current source...

Page 54: ...current source to terminals 7 and 8 on the relay case to test Phase A 2 Set the PHASE TAP switch to position A 3 Adjust the input current source to the value shown on the front panel table for TAP A...

Page 55: ...ce by entering its identifying code number into the Phase curve Pcur register Reference Tables 4 1 and 4 2 Similarly load the Ground curve register with the characteristic of choice if ground current...

Page 56: ...if ground current is monitored Verify instantaneous overcurrent pickup as follows 1 After performing the Preliminary Steps page 6 3 connect the input current source to terminals 7 and 8 on the relay...

Page 57: ...BAUD command to establish the desired common baud rate for the relay and host computer 4 To confirm that communications are established a Read the serial number of the relay b Read the style number of...

Page 58: ...BE1 51C Installation and Testing 6 8 Figure 6 1 Outline Dimensions...

Page 59: ...BE1 51C Installation and Testing 6 9 Figure 6 2 Panel Drilling and Cutout Dimensions Semi Flush Mounting Figure 6 3 Control Circuits...

Page 60: ...BE1 51C Installation and Testing 6 10 Figure 6 4 Single Phase Current Sensing Connections Figure 6 5 Three Phase Current Sensing Connections...

Page 61: ...BE1 51C Installation and Testing 6 11 Figure 6 6 Three Phase with Neutral Current Sensing Connections Figure 6 7 Two Phase with Neutral Current Sensing Connections...

Page 62: ...BE1 51C Installation and Testing 6 12 Figure 6 8 Relay Connections...

Page 63: ...tempted component values may be obtained from the schematics or the parts list of the Service Manual Replacement parts may be purchased locally The quality of replacement parts must be at least equal...

Page 64: ...ition Therefore it is intended as a service bench resource for troubleshooting rather than as part of for example a scheduled periodic operational test program For implementation instructions see the...

Page 65: ...de the relay to Version 1 6 C 11 94 Changed Software Revision from 3 40 to 3 46 Page 1 7 Specifications corrected K 500 A or 5 times TAP 2 to K 500 A or 50 times TAP 2 Deleted old Table 1 1 Current Se...

Page 66: ...485 Also known as the RS 485 Standard Published by Electronic Industries Association April 1983 2 Remote Access Protocol for Serial Data Link Networks Basler Publication 9 2330 00 683 3 BEBUS User s M...

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