A1800 ALPHA Meter - energyms.it

1 A1800 ALPHA Meter Technical Manual 10-2011. Technical manual i Contents Contents 1 Introduction .. 1-1. A1800 ALPHA Meter .. 1-1. Standards Compliance .. 1-2. IEC .. 1-2. Contents IEEE/ANSI .. 1-2. DIN .. 1-2. Benefits .. 1-3. Reliability .. 1-3. Maintainability .. 1-3. ANSI standard communication open protocol .. 1-4. Adaptability .. 1-4. Economy .. 1-4. Technical manual Security .. 1-4. Accuracy .. 1-4. Meter types .. 1-5. Meter series .. 1-6. 2 Product description .. 2-1. Physical description .. 2-1. Optical port .. 2-3. LCD .. 2-3. Nameplate .. 2-3. Utility information card .. 2-4. Communications .. 2-4. Battery .. 2-5. Cover tamper detection switches .. 2-5. Terminal configurations .. 2-6. Communication protocols .. 2-6. System architecture.

2 2-6. General theory of operation .. 2-7. Power supply .. 2-7. Main power supply .. 2-7. Auxiliary power supply .. 2-7. Current and voltage sensing .. 2-7. Meter engine .. 2-8. Microcontroller .. 2-8. EEPROM .. 2-8. Billing data .. 2-9. Metered energy and demand quantities .. 2-9. Average power factor .. 2-9. Demand calculations .. 2-9. Rolling interval .. 2-10. Block interval .. 2-10. Thermal time constant .. 2-11. Maximum demand .. 2-11. Cumulative maximum demand .. 2-11. Continuous cumulative maximum demand .. 2-11. Coincident demand or power factor .. 2-12. Technical manual ii Contents Demand forgiveness .. 2-12. Primary and secondary metering .. 2-12. TOU data .. 2-12. Power failure data .. 2-13. Logs and data sets .. 2-13. Event log.

3 2-14. History log .. 2-14. Self reads .. 2-14. Load profiling .. 2-15. Load profiling pulse divisor .. 2-15. Instrumentation profiling .. 2-16. TRueQ Log .. 2-17. Voltage sag log .. 2-17. User-defined tables .. 2-17. Physical dimensions and mass .. 2-18. 3 Operating instructions .. 3-1. Indicators and controls .. 3-1. LCD .. 3-1. Quantity identifier .. 3-2. Display quantity .. 3-2. Phase indicators .. 3-2. Energy direction indicators .. 3-2. Power/energy units identifier .. 3-3. Alternate display indicator .. 3-3. Error indicator .. 3-3. Low battery indicator .. 3-3. Active COM port indicator .. 3-3. Display indicators .. 3-3. Push buttons .. 3-4. RESET button .. 3-4. * button .. 3-5. Using the backlight .. 3-6. Operating modes .. 3-7.

4 Normal mode .. 3-7. Alternate mode .. 3-8. Test mode .. 3-8. Demand reset .. 3-9. Demand reset lockout .. 3-10. Demand reset data area .. 3-10. 4 Meter tools .. 4-1. System instrumentation .. 4-1. System service tests .. 4-5. Service voltage test .. 4-5. System service locking .. 4-5. Initiating service voltage tests .. 4-7. Restarting the service voltage test in diagnostic mode 4-9. Service current test .. 4-9. Initiating the service current test .. 4-10. System service error codes .. 4-10. TRueQ monitoring .. 4-12. TRueQ timing .. 4-12. TRueQ display items .. 4-12. TRueQ and relays .. 4-12. TRueQ log .. 4-13. Voltage sags .. 4-13. Voltage sag counter and timer .. 4-13. TRueQ tests .. 4-13. Technical manual iii Contents TRueQ event counters and timers.

5 4-15. Security .. 4-25. Meter passwords .. 4-25. Anti tampering .. 4-26. Program protection .. 4-26. 5 Outputs.. 5-1. Relay outputs .. 5-1. Energy pulse outputs .. 5-3. Using pulse divisor .. 5-3. Using pulse value .. 5-4. Relay-related alarms .. 5-4. LED pulse outputs .. 5-6. Output specifications .. 5-6. 6 Testing .. 6-1. Meter self test .. 6-1. Codes and warnings .. 6-2. Error codes .. 6-2. Warning codes .. 6-5. Communication codes .. 6-8. Meter shop testing .. 6-9. Test equipment .. 6-9. Test setup .. 6-9. Meter testing .. 6-10. Using relay outputs for testing .. 6-10. Using LCD pulse count for testing .. 6-10. 7 Installation and removal.. 7-1. Preliminary inspection .. 7-1. Placing the Meter into service .. 7-1. Installing a TOU battery.

6 7-3. Troubleshooting .. 7-4. Initial setup .. 7-4. Marking the utility information card .. 7-5. Removing the Meter from service .. 7-6. Removing the battery .. 7-6. 8 Loss compensation.. 8-1. Introduction .. 8-1. What is Loss Compensation? .. 8-1. Availability .. 8-1. Software support .. 8-1. Calculating the correction values .. 8-1. Gather necessary data .. 8-2. Calculate the Meter configuration parameters .. 8-2. Calculating line loss .. 8-5. Gather necessary data .. 8-5. Calculation example .. 8-7. Gather necessary data .. 8-8. Enter Data .. 8-12. Internal Meter calculations .. 8-12. Meter outputs affected by compensation .. 8-15. Testing a Meter with compensation .. 8-15. Technical manual iv Contents A Glossary .. A-1. B Display table.

7 B-1. Display format ..B-1. Display list items ..B-2. Default display formats ..B-3. LCD test ..B-3. General Meter information ..B-4. Meter configuration ..B-4. Status ..B-5. Metered quantities ..B-6. Average power factor ..B-8. Coincident demand and power factor ..B-8. Cumulative demand ..B-9. System instrumentation ..B-9. System service tests ..B-11. Errors and warnings ..B-12. Communication codes ..B-12. C Nameplate and style number information ..C-1. Nameplate ..C-1. Utility information card ..C-2. Style number information ..C-3. D Wiring diagrams .. D-1. Direct connected .. D-1. CT-connected meters .. D-2. E Technical specifications ..E-1. Absolute maximums ..E-1. Operating ranges ..E-1. Operating characteristics ..E-1. General performance characteristics.

8 E-2. Dimensions and mass ..E-2. A1800 ALPHA Meter Family Technical Manual v . Disclaimer of Warranties and Limitation of Liability There are no understandings, agreements, representations, or warranties either expressed or implied, including warranties of merchantability or fitness for a particular purpose, other than those specifically set out by any existing contract between the parties. Any such contract states the entire obligation of the seller. The contents of this technical manual shall not Technical Manual become part of or modify any prior or existing agreement, commitment, or relationship. The information, recommendations, descriptions, and safety notices in this technical manual are based on Elster Metronica, OOO experience and judgment with respect to the operation and maintenance of the described product.

9 This information should not be considered as all inclusive or covering all contingencies. If further information is required, Elster Metronica, OOO should be consulted. A1800 ALPHA Meter No warranties, either expressed or implied, including warranties of fitness for a particular purpose or merchantability, or warranties arising from the course of dealing or usage of trade, are made regarding the information, recommendations, descriptions, warnings, and cautions contained herein. In no event will Elster Metronica, OOO be held responsible to the user in contract, in tort (including negligence), strict liability, or otherwise for any special, indirect, incidental, or consequential damage or loss whatsoever, including but not limited to: damage or loss of use of equipment, cost of capital, loss of profits or revenues, or claims against the user by its customers from the use of the information, recommendations, descriptions, and safety notices contained herein.

10 Safety Information Installation, operation, and maintenance of this product can present potentially hazardous conditions (for example, high voltages) if safety procedures are not followed. To ensure that this product is used safely, it is important that you: Review, understand, and observe all safety notices and recommendations within this manual. Do not remove or copy individual pages from this manual, as this manual is intended for use in its entirety. If you were to remove or copy individual pages, cross references and safety notices may be overlooked, possibly resulting in damage to the equipment, personal injury, or even death. Inform personnel involved in the installation, operation, and maintenance of the product about the safety notices and recommendations contained in this manual.