background image

8 • Energy Meter

026-1726 Rev 0 22-MAR-2011

Figure 4-3 - 1-Phase Direct Voltage Connection 2 CT

Figure 4-4 - 3-Phase 3-Wire 3 CT no PT

WARNING! CTs are referenced to the meter’s 
neutral (N).

Figure 4-5 - 3-Phase 4-Wire Wye Direct Voltage Input
                             Connection 3 CT

Figure 4-6 - 3-Phase 4-Wire Wye Connection 3 CT 3 PT

Summary of Contents for 026-1726

Page 1: ...026 1726 Rev 0 22 MAR 2011 Energy Meter Installation and Operation Manual ...

Page 2: ......

Page 3: ...y for any inaccuracies that may be contained herein In no event will Computer Process Controls Inc be liable for any direct indirect special incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages In the interest of continued product development Computer Process Controls Inc reserves the right to make improvements ...

Page 4: ......

Page 5: ...S 10 6 NETWORK SETUP AND COMMISSIONING 11 6 1 SET UP NETWORK PORTS 11 6 2 ADDING AN ENERGY METER 12 6 3 RS 485 COMMUNICATIONS 13 6 3 1 Daisy chaining Devices to the Energy Meter 13 7 QUICK SETUP INSTRUCTIONS 15 8 SOLID STATE PULSE OUTPUT 16 8 1 SET PULSE 16 8 2 SET PULSE ENERGY WH P 16 8 3 MINIMUM DURATION TIME MILLISECONDS PER PULSE MS P 16 8 4 MULTIFLEX I O BOARD PULSE LIMITS STANDALONE VERSION ...

Page 6: ......

Page 7: ...rce Place this device in close proximity to the equipment and within easy reach of the operator and mark it as the disconnecting device The disconnecting device shall meet the rele vant requirements of IEC 60947 1 and IEC 60947 3 and shall be suitable for the application In the US and Canada disconnecting fuse holders can be used Pro vide overcurrent protection and disconnecting device for supply ...

Page 8: ...me 100 msec at 120VAC Output Alarm Contacts all models N C static output 30VAC DC 100mA max 25 C derate 0 56mA per C above 25 C Table 1 1 Energy Meter Specifications Real Energy Pulse Contacts all mod els AND N O static output Reactive Energy Pulse Contacts 30VAC DC 100mA max 25 C derate 0 56mA per C above 25 C RS 485 Port 2 wire 1200 to 38400 baud Modbus RTU Mechanical Characteristics Weight 0 62...

Page 9: ...ules These limits are de signed to provide reasonable protection against harm ful interference when the equipment is operated in a residential environment This equipment generates us es and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio com munications Operation of this equipment in a residen tial a...

Page 10: ...4 Energy Meter 026 1726 Rev 0 22 MAR 2011 2 2 Product Diagram Figure 2 3 Bottom View Screw Mount Option Figure 2 4 Energy Meter Interface Figure 2 5 Four Output Options ...

Page 11: ...the DIN rail use two AV02 end stop clips 3 1 2 Screw Mounting 1 Attach the mounting clips to the underside of the Energy Meter by sliding them into the slots from the outside The screw hole must be exposed on the out side of the housing 2 Use three 8 screws not supplied to mount the En ergy Meter to the inside of the enclosure See dia gram of the underside of the Energy Meter below WARNING Disconn...

Page 12: ...e phase loss algorithm is configured as a percent of the Line to Line System Voltage except when in System Type 10 and also calculates the expected Line to Neutral voltages for system types that have Neutral 12 40 Values that are not valid in a particular System Type will display as on the User Interface or as QNAN in the Modbus registers CTs Voltage Connections System Type Phase Loss Measurements...

Page 13: ...nt Transducer Potential Transformer Protection containing a voltage dis connect switch with a fuse or dis connect circuit breaker The protection device must be rated for the available short circuit current at the connection point Table 4 1 Diagram Symbols WARNING This product is designed only for use with 1V or 0 33V current transformers CTs DO NOT USE CURRENT OUTPUT e g 5A CTs ON THIS PRODUCT Fai...

Page 14: ... 4 3 1 Phase Direct Voltage Connection 2 CT Figure 4 4 3 Phase 3 Wire 3 CT no PT WARNING CTs are referenced to the meter s neutral N Figure 4 5 3 Phase 4 Wire Wye Direct Voltage Input Connection 3 CT Figure 4 6 3 Phase 4 Wire Wye Connection 3 CT 3 PT ...

Page 15: ...r current protection should be selected with a time delay The voltage rating should be sufficient for the input voltage applied Provide overcurrent protection and disconnecting devices appropriate for the wiring The earth connection is required for electromagnetic compatibility EMC and is not a protective earth ground Figure 4 7 Direct Connect Control Power Phase to Phase Figure 4 8 Direct Connect...

Page 16: ...he shield cable should be connected to the right most terminal When the E2 is at one end of the daisy chain ter minate the E2 with all three jumpers in the terminated UP position 5 Display Screen Dia gram 5 1 LCD Screen 5 2 Buttons Figure 4 11 E2 MODBUS connection RS485 MODBUS CONNECTORS E2 Power Interface Board PIB 485 485 0V ECT MODBUS CONNECTOR on the Energy Meter BLACK WHITE SHIELD 485 485 0V ...

Page 17: ...h Level 4 access 2 Press followed by General Controller Info 3 Press to open the Serial tab of the General Controller Info setup screens 4 This screen will have a Connection field for all COM ports on the E2 Highlight the COM port con nection field that will be used for MODBUS and press LOOK UP From the list of network types select MODBUS 1 3 5 Four fields will become visible underneath the COM po...

Page 18: ...esignator does not apply here 6 By default each Energy Meter s board number in the network list is indicated by a dash To set the address and begin communication press to Commission If you have more than one MOD BUS network specify which network you want the device to belong to A screen will open that will al low you set the address 7 In the list of MODBUS devices choose the address number corresp...

Page 19: ...e version older than the minimum revision required by E2 for com munication Replace the Energy Meter with a new controller that has the latest version of firmware 6 3 RS 485 Communications 6 3 1 Daisy chaining Devices to the Ener gy Meter The RS 485 slave port allows the Energy Meter to be connected in a daisy chain with up to 63 two wire devices In this manual communications link refers to a chai...

Page 20: ... the end of the bus between the Energy Meter s and terminals not included or use Re tail Solutions MODBUS termination block P N 535 2711 Shield is not internally connected to Earth Ground Connect Shield to Earth Ground somewhere on the RS 485 bus When tightening terminals ensure that the correct torque is applied 0 37 0 44 ft lb 0 5 0 6 N m Figure 6 9 Energy Meter Wiring ...

Page 21: ...s to select the voltage mode Current Trans ducer output voltage b to the CT SZ screen and through the digits Use the or buttons to select the CT size in amps c back to the S CT screen 7 to the S SYS Set System screen a to the SYSTM screen Use the or buttons to select the System Type see wiring di agrams b back to the S SYS screen 8 Optional to the S PT Set Potential Transform er screen If PTs are ...

Page 22: ... enable Energy pulse output configuration error bit in the Modbus Diagnostic Alert Bitmap if equipped 8 2 Set Pulse Energy Wh P In Watt Hour and VAR Hours if present per pulse When moving down to a smaller energy the meter will not allow the selection if it cannot find a pulse duration that will allow the pulse output to keep up with Theoretical Maximum System Power When moving up to a larger ener...

Page 23: ... KQh KVARh Accumulated Reactive Energy KPh KWh Accumulated Real Energy PLOSS PLOSS Phase Loss LOWPF LOWPF Low Power Factor Error F ERR F ERR Frequency Error I OVR I OVR Over Current V OVR V OVR Over Voltage PULSE PULSE kWh Pulse Output Overrun con figuration error _PHASE _PHASE Summary Data for 1 2 or 3 active phases ALERT ALERT Diagnostic Alert Status INFO INFO Unit Information MODEL MODEL Model ...

Page 24: ...18 Energy Meter 026 1726 Rev 0 22 MAR 2011 10 User Interface for Data Configuration ...

Page 25: ...MultiFlex I O Board Pulse Limits Standalone Version Only Alert Reset Information 19 11 Alert Reset Information ...

Page 26: ...20 Energy Meter 026 1726 Rev 0 22 MAR 2011 12 User Interface for Setup ...

Page 27: ...MultiFlex I O Board Pulse Limits Standalone Version Only User Interface for Setup 21 ...

Page 28: ...nter val 1 block mode 149 Demand sub interval length 900 sec 15 min 150 Modbus Address 001 Modbus Baud Rate 19200 baud Modbus Parity None Log Read Page 0 158 Logging Configuration Register 0 159 Log Register Pointer 1 1 Real Energy MSR 169 Log Register Pointer 2 2 Real Energy LSR 170 Log Register Pointer 3 29 Reactive Energy MSR 171 Log Register Pointer 4 30 Reactive Energy LSR 172 Log Register Po...

Page 29: ...r voltage input terminals to verify adequate voltage Energy Meter is wired improperly Check all CTs and PTs to verify correct connection to the same service PT polarity and adequate powering See the Wiring sec tion for more information Cannot communicate with Energy Meter from a remote personal computer Energy Meter address is incorrect Verify that the meter is correctly addressed See the User Int...

Page 30: ......

Page 31: ...75 15 AMP 251 1002 0 75 30 AMP 251 1003 0 75 50 AMP 251 1004 1 25 70 AMP 251 1005 1 25 100 AMP 251 1006 1 25 150 AMP 251 1007 1 25 250 AMP 251 1008 1 25 300 AMP 251 1009 1 25 400 AMP Solid Core Current Transducers Part Number Inside Diameter Amperage 251 1020 0 30 5 AMP 251 1021 0 50 15 AMP 251 1022 0 50 30 AMP 251 1023 0 75 50 AMP 251 1024 0 75 70 AMP 251 1025 1 00 50 AMP 251 1026 1 00 70 AMP 251...

Page 32: ......

Reviews: