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SEL-DTA2 Instruction Manual

Date Code 20020329

CAUTION:

 Equipment components are sensitive to 

electrostatic discharge (ESD). Undetectable permanent 

damage can result if you do not use proper ESD procedures. 
Ground yourself, your work surface, and this equipment before 
removing any cover from this equipment. If your facility is not 
equipped to work with these components, contact SEL about 
returning this device and related SEL equipment for service.

!

DANGER:

 Disconnect or de-energize all external 

connections before opening this device. Contact with 

hazardous voltages and currents inside this device can cause 
electrical shock resulting in injury or death.

!

DANGER:

 Contact with instrument terminals can cause 

electrical shock that can result in injury or death.

!

WARNING:

 Have only qualified personnel service this 

equipment. If you are not qualified to service this 

equipment, you can injure yourself or others, or cause 
equipment damage.

!

WARNING:

 This device is shipped with default 

passwords. Default passwords should be changed to 

private passwords at installation. Failure to change each default 
password to a private password may allow unauthorized access. 
SEL shall not be responsible for any damage resulting from 
unauthorized access.

!

ATTENTION:

 Les composants de cet équipement sont 

sensibles aux décharges électrostatiques (DES). Des 

dommages permanents non-décelables peuvent résulter de 
l’absence de précautions contre les DES. Raccordez-vous 
correctement à la terre, ainsi que la surface de travail et 
l’appareil avant d’en retirer un panneau. Si vous n’êtes pas 
équipés pour travailler avec ce type de composants, contacter 
SEL afin de retourner l’appareil pour un service en usine.

!

DANGER: 

Débrancher tous les raccordements externes 

avant d’ouvrir cet appareil. Tout contact avec des tensions 

ou courants internes à l’appareil peut causer un choc électrique 
pouvant entraîner des blessures ou la mort.

!

DANGER: 

Tout contact avec les bornes de l’appareil

peut causer un choc électrique pouvant entraîner des 

blessuers ou la mort.

!

AVERTISSEMENT: 

Seules des personnes qualifiées 

peuvent travailler sur cet appareil. Si vous n’êtes pas 

qualifiés pour ce travail, vous pourriez vous blesser avec 
d’autres personnes ou endommager l’équipement.

!

AVERTISSEMENT: 

Cet appareil est expédié avec des 

mots de passe par défaut. A l’installation, les mots de 

passe par défaut devront être changés pour des mots de passe 
confidentiels. Dans le cas contraire, un accés non-autorisé á 
l’équipement peut être possible. SEL décline toute 
responsabilité pour tout dommage résultant de cet accés non-
autorisé.

!

The software (firmware), schematic drawings, relay commands, and relay messages are copyright protected by the United States Copyright 
Law and International Treaty provisions. All rights are reserved.

You may not copy, alter, disassemble, or reverse-engineer the software. You may not provide the software to any third party.

All brand or product names appearing in this document are the trademark or registered trademark of their respective holders.

Schweitzer Engineering Laboratories, SEL

OGIC

, Connectorized, Job Done, SEL-PROFILE, SEL-5030 

AC

SEL

ERATOR

, and 

 are registered 

trademarks of Schweitzer Engineering Laboratories. 

The English language manual is the only approved SEL manual.

ã

 

1993, 1994, 1998, 2002 Schweitzer Engineering Laboratories.  All rights reserved.

This product is covered by U.S. Patent Numbers: 5,160,926; and U.S. Patent(s) Pending, and Foreign Patent(s) Issued and Pending.

This product is covered by the standard SEL 10-year warranty. For warranty details, visit www.selinc.com or contact your customer service 
representative.

PMDTA2-01

Содержание SEL-DTA2

Страница 1: ...Schweitzer Engineering Laboratories 2350 NE Hopkins Court Pullman WA USA 99163 5603 Tel 509 332 1890 FAX 509 332 7990 SEL DTA2 Display Transducer Adapter Instruction Manual...

Страница 2: ...ous les raccordements externes avant d ouvrir cet appareil Tout contact avec des tensions ou courants internes l appareil peut causer un choc lectrique pouvant entra ner des blessures ou la mort DANGE...

Страница 3: ...des 2 2 Rear Panel Connections and Configurations 2 7 Self Tests 2 10 Section 3 Communications Introduction 3 1 Serial Port Connections and Configurations 3 2 Communications Protocol 3 3 Command Chara...

Страница 4: ...This page intentionally left blank...

Страница 5: ...mple Meter Display 2 4 Figure 2 6 Example Frozen Meter Display 2 4 Figure 2 7 Relay Status Message 2 5 Figure 2 8 Relay Status Warning Message 2 5 Figure 2 9 DB25 to Terminal Block Adapter 2 7 Section...

Страница 6: ...This page intentionally left blank...

Страница 7: ...le 2 2 Contact Assignments and Signal Descriptions 2 8 Section 3 Communications Table 3 1 Serial Port Pin Assignments 3 2 Section 4 Installation Table 4 1 DTA2 Interface Cables 4 1 Section 5 Maintenan...

Страница 8: ...This page intentionally left blank...

Страница 9: ...all changes made to this manual since the initial release 20020329 Reissued entire manual with the following changes Updated formatting of entire manual Reverse of Title Page Added warranty statement...

Страница 10: ...This page intentionally left blank...

Страница 11: ...pter offers a simple and economical on line interface to the SEL family of digital relays The features of the SEL DTA2 include Two line 40 column high contrast liquid crystal display supplies relay in...

Страница 12: ...age output device The SEL DTA2 also provides access to metering and relay status information A set of eight voltage outputs and eight current outputs presents fault and meter data to monitor and contr...

Страница 13: ...rence test type tested Impulse Optoisolated input relay outputs and power supply IEC 255 5 0 5 joule 5000 volt test type tested RFI Tests Type tested in field from a 1 4 wave antenna driven by 20 watt...

Страница 14: ...mode recently Figure 2 1 FAULTS Mode Initial Window Positioning Pressing the SCROLL DOWN switch once changes the display window position as shown in Figure 2 2 View any two faults in the 30 event faul...

Страница 15: ...y the status mode via detection of a relay status warning METER Commands Access Metering Data or Reset Demand Registers METER displays meter information demand and peak demand information when availab...

Страница 16: ...he STATUS mode via detection of a relay status warning Pressing METER once toggles display updating showing the present meter values until the button is pressed again Pressing METER an even number of...

Страница 17: ...ntrol 2 A relay status warning forces the SEL DTA2 into STATUS mode When the STATUS control is pressed the SEL DTA2 checks the status of the relay and displays the received status message see Relay St...

Страница 18: ...essing CLEAR changes the mode to STANDBY If the SEL DTA2 is already in STANDBY mode the following operations occur 1 The display module is tested for proper operation if this test fails an automatic S...

Страница 19: ...d automatic for communications with the relay See Table 3 1 on page 3 2 in Section 3 Communications See Table 4 1 on page 4 1 in Section 4 Installation for a list of cables that connect to Port 1 and...

Страница 20: ...oltage output 2 Ground 2 Current output 2 11 24 10 Voltage output 3 Ground 3 Current output 3 9 23 8 Voltage output 4 Ground 4 Current output 4 7 22 6 Voltage output 5 Ground 5 Current output 5 5 21 4...

Страница 21: ...ble time interval LOCK controls update of contact outputs A1 A5 and any analog outputs dedicated to fault location During LOCK cycles after a fault outputs are not affected by subsequent faults This f...

Страница 22: ...he affected RAM IC to serial Port 1 There is no warning state for this test Read Only Memory The SEL DTA2 checks read only memory ROM by computing a checksum If the computed value does not agree with...

Страница 23: ...computer Communications serve the following purposes 1 The SEL DTA2 receives display and transducer configurations 2 The SEL DTA2 responds by message to changes in system self test status 3 The SEL D...

Страница 24: ...8 data bits 2 stop bits SEL DTA2 Firmware Revisions 100 400 or 1 stop bit SEL DTA2 Firmware Revisions 500 800 No parity This format cannot be altered Table 3 1 shows serial port pin assignments and si...

Страница 25: ...OFF protocol When the buffer drops below full the SEL DTA2 transmits XON ASCII hex 11 and asserts the RTS output The SEL DTA2 transmits XOFF ASCII hex 13 when the buffer fills over full It deasserts t...

Страница 26: ...me allows you to give personnel access to only those functions they require Each level has an associated screen prompt and password Figure 3 1 shows the access levels passwords prompts commands availa...

Страница 27: ...of three or more characters only the first three characters of any command are required You may use upper or lowercase characters without distinction except in passwords Separate arguments from the co...

Страница 28: ...set to TAIL at the factory use the Access Level 2 command PASSWORD to change passwords The following display indicates successful access 2ACCESS ENTER Password SEL DTA Display Transducer Adapter Date...

Страница 29: ...and time Use this command when you finish communicating with the SEL DTA2 to prevent unauthorized access Note that control may return to Access Level 0 automatically after a settable interval of no a...

Страница 30: ...ating that Transducer Channel 1 reflects the voltage measured from Phase A to Phase B Settings MIN1 MIN8 and MAX1 MAX8 reflect the measured quantities corresponding to 5 V 1 mA or 5 mA and 5 V 1 mA or...

Страница 31: ...0 100000 100000 QUA7 Measured quantity Q IA FL MIN7 Min Range 200 0 100000 100000 MAX7 Max Range 200 0 100000 100000 QUA8 Measured quantity FL IA FL MIN8 Min Range 100 0 100000 100000 MAX8 Max Range 1...

Страница 32: ...e clock type TIME followed by the desired setting Separate the hours minutes and seconds with colons semicolons spaces or slashes To set the clock to 23 30 00 enter TIME 23 30 00 ENTER or TIME 23 30 0...

Страница 33: ...the two EIA 232 serial communications ports are made via two 9 pin connectors labeled Port 1 and Port 2 on the rear panel NOTE Ground pins on connectors should not be relied upon for safety grounding...

Страница 34: ...o it connects the pin labeled with the desired port to a pin labeled with the desired baud rate Available baud rates are 300 600 1200 2400 4800 and 9600 Baud rate settings for the SEL DTA2 must match...

Страница 35: ...4 3 Date Code 20020329 SEL DTA2 Instruction Manual Installation Installing the DTA2 Figure 4 2 SEL DTA2 Parts Placement Diagram...

Страница 36: ...This page intentionally left blank...

Страница 37: ...DTA2 Personal computer with EIA 232 serial communications interface Cable configured for interconnection of SEL DTA2 and terminal Cable configured for interconnection of SEL DTA2 and SEL relay Meter c...

Страница 38: ...4 Installation includes information on baud rate selection Step 3 With the SEL DTA2 disconnected from the relay turn on the target relay and set the relay Access Level 1 and 2 passwords to the SEL fac...

Страница 39: ...es of acquired status data appear on the display Use the SCROLL switches to view all lines of status data Holding a SCROLL switch in automatically repeats the control If the SEL DTA2 is unable to retr...

Страница 40: ...tact and analog output fault lockout period and automatic reset timeout while the fourth indicates the fault window settings The remaining lines contain measured quantity and scaling information for t...

Страница 41: ...on procedure before disturbing the system After you finish the inspection proceed to the Troubleshooting Table Step 1 Check to see that power to the SEL DTA2 and target relay is on Step 2 Inspect the...

Страница 42: ...automatic relay may be equipped with old software which does not support multiple automatic message ports Step 2 Relay baud rate does not agree with SEL DTA2 baud rate Step 3 Improper connection of SE...

Страница 43: ...DTA R605 One stop bit Base Product This firmware differs from previous versions as follows 2 1 2 element power calculation for delta fast meter SEL 251 demand and reset demand peak Fast meter single...

Страница 44: ...with the SEL DTA2 firmware Table A 2 SEL Relay Models Compatible With the SEL DTA2 Relay Model Numbers SEL 49 SEL 121 1 2 2A 3 4 5 6 8 SEL 121 221 10 16 17 SEL 121B 221B 1 SEL 121C 221C 1 SEL 121D 22...

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