Honeywell 500 Automobile Parts User Manual
Contents
1. Current phase A 29 41057 Amps OC AA AA AAD AAA ADA AA AD AA A ADA AA A A A A A Current phase B Current phase C Voltage line to neutral phase A N Voltage line to neutral phase B N Voltage line to neutral phase C N Voltage line to line phase A B Voltage line to line phase B C Degree Voltage line to line phase C A Phase angle phase A Degree Phase angle phase B Degree DD D D A AD A A A Phase angle phase C lt lt x x x x x x x x x x x x x x x x x x x x x x xi x x x x x x lt x 42 41083 Pulse Auxiliary Input 1 43 41085 Pulse Auxiliary Input 2 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER Table 4 Honeywell Modbus point map ITEM PM W DATA SAMPLE DESCRIPTION 504D 324B 0106 0421 0800 454D 4F4E 2020 Firmware version PM 5K Ver Ver date time Honeywell 456E 6572 6779 204D 6574 6572 0000 0000 Device description Honeywell Energy Meter 1356 4503 0613 0300 0000 0000 0000 0000 Initialize device with date time 1356 4503 0613 0300 0000 0000 0000 0000 RTC date time will accept broadcast command 1356 4503 0527 0300 0000 0000 0000 0000 CPU date time 7 bytes rest is reserved for other future formats 0001 0001 0000 0000 0000 0311 0020 1100 Group location Device ID number 0041 0000 0000 0000 0000 032. i q i m t i q CONNECTIONS u5 Ril amp es Rs Bo 1B ps meee Z tt ja as 7N Se pepe E E E 2 ji l CURRENT SE ENSOR INPUTS I s Fig 9 BACnet wiring with RS 485 connection 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER The meter is shipped with a Modbus ID number of 01 This must be changed if the network has more than one meter installed The change must be done before the meter is introduced into the network or it can be put on the network as the only device on the network and Modbus address changed before adding additional devices The meter can be numbered from 1 to 247 There can be no duplicate numbers on a network so caution must be taken when assigning a meter ID number prior to its installation on the RS 485 network EMS OR CONTROL UNIT WITH MODBUS COMMUNICATIONS M28752 Fig 10 Modbus installation overview METHOD 1 DAISY CHAIN WITH WIRE TERMINAL MOST COMMON METHOD 1 Connect the HI terminal Display PCB J3 Pin 1 of each Class 500 unit together so that all unit HI terminals are linked HI to HI to HI etc 2 Connect the LO terminal Display PCB J3 Pin 2 of each Class 500 unit together so that all unit LO terminals are linked LO to LO to LO etc 3 Connect the GND terminal Display PCB J3 Pin 3 of each Class 500 unit together so that all unit GND terminals are linked GND to GND to GND etc 4 After completing the wiring of connector
3. J3 for all units complete the wiring to the EMS through the appropriate input termi nals RS485 or Ethernet METHOD 2 DAISY CHAIN WITH MODULAR JACKS 1 Each display board has two RJ 11 jacks available to facilitate RS 485 daisy chain connections Using RJ 11 four conductor cable wire each cable end pin to pin Interconnect all units together with the RJ 11 cabling 2 After daisy chaining the units is complete the system can be interfaced through the wire terminal on the meter closest to the EMS see method 2 LON and BACnet MS TP Wiring For LON and BACnet MS TP connections follow standard wiring procedures topologies for these communication types Both of these connections are found on the communications board which sits on the main power board not on the display board The LON is a two position terminal block for twisted pair and the BACnet MS TP is a 3 position terminal block 9 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER ro m2 ri D DES Oe HO jaf al preset CPU EN Pinia a hae me ACEN TEA be ProtoGessor Protocol Coprocessor www protocessor com O MSTP 1 0C1 SERVICE PIN SWITCH BLUE PUSH BUTTON BROADCASTS LON NEURON ID TO LON NETWORK ASSISTS IN SETUP OF a RNIRH ts D a heart a2 ah ieee ae I Sows DEVICE ON LON NETWORK aLEOLL o EA A o Yoo Ow C a C SS e a E j Sy oc Ls gt 2 S ps a O oO ao Ps Gi 6 he Oar a
4. an RS 485 serial communications port allowing it to communicate via BACnet MS TP Modbus RTU or EZ 7 The units can be daisy chained together over distances of up to 4000 feet Up to 52 unit nodes can be networked together The meters are networked in a daisy chain configuration with BELDEN 1120A cable or an equivalent A cable rating of 600V allows a RS 485 network to be connected to 480 volt meters Communications wiring should enter exit the Class 500 Meter enclosure through the 1 2 in hole located on the upper top surface of the enclosure using a 4 conductor UL approved telephone cord terminated with an RJ 11 male connector NOTE A 3 screw terminal block is also available for the RS 485 wiring as an optional method che J4 Sos ae ee 3 Ka a Ata ele em ae S ened WIRING METHOD M28751 TERMINAL LOCATION Fig 8 Modbus terminal location and wiring method O36 SDE DO a FOR AE EERS SRR TCP oe A Pale i a oon jo Ws Gea 4 ies D 2 19 5 ea CAR ws put Se e ssouppy OVW J_MSTP 1 0C1 26 9PP 9 muaed SN 60900 5 ProtoGessor Protocol Coprocessor www protocessor com EHO aA 94VB es ielle wee Gn oft 2800 F Hlg a HD OJIN SEFE Sia 2 5 Ee E a Eare S S x M 305905 frauen Cs sgg u gsense e a GND 3V3 i fee F gt ESPRI BACNET MS TP NOTE 3 POSITION TERMINAL BLOCK FOR RS 485 ei spy CLIN A TE Eni povezy yc Bh i I i
5. monitored If the arrow is not positioned on the source side the resulting readings will be inaccurate Current Sensor Wiring Once all the current sensors are installed onto their appropriate phase conductors you can begin terminating the current sensors onto the Class 500 Meter main board The current sensor leads can be extended up to 500 feet for remote monitoring applications To extend the length of the wires use 22 AWG twisted pair wire with a black and white conductor rated for 600 VAC The current sensor connection points are located on the bottom center of the main power board Three removable plugs exist one for each current sensor phase input The header portions of the connectors are labeled TB2 TB3 and TB4 The silkscreen located in front of each connector instructs you which terminal of the plug is for the white conductor and which terminal is wired to the black conductor Once each current sensor is wired to its respective plug insert each plug into the appropriate header MAINS LINE VOLTAGE AND CURRENT SENSOR WIRING DIAGRAMS v y y y WZA WAATA Q D Tt Q Q O Ww i M fe i fe a i fe oe eh a x N gt A N A N EA LOAD SOURCE LOAD SOURCE NOTES LINE VOLTAGE CONNECTIONS 14 22 AWG NOTES LINE VOLTAGE CONNECTIONS 14 22 AWG SENSOR CONNECTIONS B BLACK LEAD W WHITE LEAD 1 10A 600 VAC INLINE FUSE PER CONDUCTOR LITTLEFUSE PART NUMBER KL
6. pin of the headers on the Meter C42 a uio t e TITS Fa ve pppaeeeeeeeets Ig Sen Aa k e abe AY PY R E PEROS a d di ai Ce ra f in Tm e Co S jeesescou J oe g w E 33 o lt l LF i e unis lt a rales A R66 Ea R37 EE Re 0 R39 Empresa ra N Ul 53 __ R36 fifa C17 fh oc b 2 j 5 o as y b D e 3 os 18 ZSS INPUT 1 and M29701 INPUT 2 13 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER Modbus Point Map Modbus data points available from the Class 500 meter Listed under Class 500 Table 4 Honeywell Modbus point map Energy delivered lt Energy received Reactive energy delivered Reactive energy received Real power Reactive power Apparent power Power factor Current total O CO N AOI AI OINI Volts N Current average Voltage line neutral Volts L Voltage line line Hz Frequency Degree gt gt gt S YS Al al ala a Phase angle kW Real power phase A kW Real power phase B kW Real power phase C Reactive power phase A Reactive power phase B Reactive power phase C Apparent power phase A Apparent power phase B Apparent power phase C Power factor phase A Power factor phase B Power factor phase C
7. the user from inserting the new battery in the wrong polarity No damage will occur to the unit or battery if the battery is inadvertently installed in the wrong direction 4 Visually inspect the new battery to verify that all leads are fully inserted into their respective socket positions 5 Dispose of the used battery in accordance with the manufacturer s Eagle Picher instructions EXTERNAL CONTACT INPUT Two additional channels are available channels 3 and 4 on the Class 500 Meter to be used for capturing pulses from external devices These devices can be another electric meter a water meter a gas meter or any unit with an output pulse The output pulse of the device must be in the form of a dry contact either physical or electronic Count speeds of up to 10 Hz 600 ppm are accepted by the Class 500 Meter and the count is available at Modbus point locations 41083 and 41085 See the point map Table 4 for more information Wiring The external pulse is wired into the Class 500 Meter through the terminals marked INPUT 1 and INPUT 2 TB6 and TB7 These consist of removable plug and header assemblies similar to the current sensor inputs The external device can be mounted up to 100 feet away from the Class 500 Meter and wire sizes from 24 to 16 gauge AWG can be used for the connection If the external device utilizes a polarity dependent solid state contact the plus from the contact must terminate on the left hand
8. 11 0020 1100 Dev ID Hookup Serial numbers 0592 0007 0000 0000 0000 0000 0000 0000 Recorder info idr dem int dem win dem syn timezone DST 0101 0001 0D03 3531 1000 0320 0000 0000 Meter info SN1 amp 2 pulse rate Volt Amp CTs PF mult1 amp 2 CT PT 0000 0101 0000 0000 0000 0100 0000 0000 Flags L1 0000 0000 0000 0000 0000 0000 0613 0316 Flags L2 0000 0000 0000 0000 0000 0000 0000 0000 Flags L3 0000 0000 0000 0000 0000 0000 0000 0000 Flags L4 NOTE To change device ID set single point at 46049 with data set to new device ID e g 1 to 247 To set date time set multiple points at 46025 for 4 points with data set to HHMM SSDW MMDD YYYY DW day of week To clear single meter kWh kW set single point at 41001 with data set to 0000 similarly for 41003 41005 41007 To clear multiple meter readings set multiple point at 41001 for 8 points with data set to 0000 s NOTE Jumper J5 amp J6 must be closed in order for kWh del rec and kVARh del rec to be cleared 15 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER FREQUENTLY ASKED QUESTIONS gt O Pp Pp gt o PpP gt When providing line voltage to the Class 500 Meter can I tap off of the same breaker am monitoring Yes the voltage can be pulled from the same breaker being monitored Can the Class 500 Meter line voltage wires be run in the same conduit as the sensor leads Yes there wi
9. DR 100 NEUTRAL NOT USED IN DELTA SYSTEM REMOVE NEUTRAL TERMINAL BLOCK SCREW FOR DELTA SYSTEMS M32788 Fig 5 3 phase 4 wire installation diagram SENSOR CONNECTIONS B BLACK LEAD W WHITE LEAD 1 10A 600 VAC INLINE FUSE PER CONDUCTOR LITTLEFUSE PART NUMBER KLDR 100 NEUTRAL NOT USED IN DELTA SYSTEM REMOVE NEUTRAL TERMINAL BLOCK SCREW FOR DELTA SYSTEMS M32797 Fig 6 3 phase 3 wire installation diagram Line Voltage Current Sensor Diagnostics Ensure that the three phase AC MAINS voltage wiring and the current are connected in the proper phase sequence If there is a phase sequence error the display LCD will show the message Check Sensor in the upper right hand corner Additionally LED D5 labeled MTR See Fig 7 will flash at a rate of twice per second in the event of a phase error or missing phase voltage s 62 0304 05 6 CLASS 500 ADVANCED KWH DEMAND METER D5 Se PURO Usa a CORR 77 purse CPU ae m R n ii Hi ie tute CULLELLLLEI ETHERNET BOARD T ie bi oom eS amp g MAIN POWER INPUT NEUTRAL M28748A Fig 7 Location of LED D5 labeled MTR and Ethernet board Verify that the AC MAINS voltage wires are all connected to the correct positions on terminal block TB1 Inspect the MAINS input wiring to verify each conductor is terminated at the correct terminal block position Using an AC voltmeter measure the AC voltage for each Phase to Neutral terminal and to th
10. E e184 CURRENT SENSOR INPUTS MAINS INPUT TERMINALS TB2 TB3 AND TB4 SENSOR INTERFACES M28745 Fig 2 MAINS power board of the Class 500 Meter Display Board The display board interconnects to the main power board via a flex ribbon cable and the board mounts on the inside of the housing door The only required connection is for RS485 communications When the meter is operated as a stand alone unit using the modem for communications the RS485 connections are not required The display board LCD readout indicates the cumulative kWh value as well as errors associated with the Class 500 Meter such as low battery or sensor errors METER INSTALLATION Mounting 1 Using appropriate sized mounting hardware fasten the Class 500 Meter enclosure to the selected mounting surface The four housing mounting holes are centered 6 75 H x 4 W NOTE Units installed outdoors must use the NEMA 4 rated enclosure Main Power Board Connections 1 Installing a temporary ground for ESD protection With all the circuits de energized connect a temporary protective earth ground connection for ESD protection Prior to performing any unit wiring be sure to discharge any static on your person Installing the Class 500 Meter protective earth ground Connect an earth ground wire to the Class 500 Meter protective earth ground terminal screw located on the bottom right side of the main power board After installing the protective earth ground wir
11. Honeywell Class 500 Advanced KWh Demand Meter INSTALLATION INSTRUCTIONS APPLICATION The Class 500 Meter is a 3 element meter with communications The device is used to monitor electric power usage of individual loads after the utility meter Installation must only be performed by qualified personnel and in accordance with these instructions and all applicable local and national electrical codes 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER SPECIFICATIONS Input Voltage Configuration 3 wire Delta or 4 wire WYE Mains Voltage Input Up to 600 VAC RMS available Input Power 6 VA maximum rating Current Sensor Rating Up to 3200 Amp RMS AC available Power Factor 5 leading or lagging Line Frequency 50 60 Hz Metering Accuracy Certified to ANSI C12 16 Voltage Operating Range 10 of rated load Temperature Range Class 500 NEMA 4 Outdoor Housing 20 C to 70 C NEMA 12 Indoor Housing 20 C to 50 C Relative Humidity Range 0 95 non condensing Altitude 2000 meters maximum Voltage Overload 25 continuously 100 for 20 cycles Current Sensor Overload 100 for 1 minute without damaging meter Pollution Degree Degree 2 In accordance with IEC 664 Installation Overvoltage Category Category III Measurement Category Category III 62 0304 05 Outdoor Housing Rating Model numbers with an R at the end NEMA 4 Indoor Housing Rating Model numbers without an
12. N The internal circuit card components are extremely sensitive to electrostatic discharge Be careful not to touch internal circuitry prior to discharging any static build up on your person To discharge yourself touch a grounded metal object such as a conduit or a metal enclosure exterior The battery cell is mounted in a socket on the upper right side of the main power board See Fig 13 Should the battery capacity drop below 2 4 VDC the display will illuminate a battery symbol on the left margin indicating a low battery Additionally the internal unit firmware will set a flag indicating the low battery condition When the unit data is next downloaded the monitoring facility will be alerted of the low battery and will schedule a service call BATTERY is OOO efi 2 i Ji b U pA wo Ge as E BRT e Sides ote Be adyey el i al s a Hal i ars SS 2 oA vee fre s COLLLLLEE 2 RNIRAT Je o R40 id i as z j gt eae aooaa CEER T L arrr BO 0 0 O O s S o f 7 oS IPE M28744 Fig 13 Location of battery 62 0304 05 12 CLASS 500 ADVANCED KWH DEMAND METER Use the following procedure to replace the lithium battery cell 1 Disconnect power from the Class 500 Meter at the unit external circuit breaker 2 Remove the battery from its socket and place it on a non conductive surface 3 Install the new battery into the PCB battery socket NOTE The main power board battery socket is keyed to prevent
13. R at the end NEMA 12 Display Readout KWh accumulated Standard Ranges 3 or 4 Wire 120 208 240V 100 200 400 800 1600 3200 Amp 3 or 4 Wire 277 480V 100 200 400 800 1600 3200 Amp 4 Wire 346 600 V 100 200 400 800 1600 3200 Amp RS485 Serial Communication Interface Cable Specifications UL listed rated telephone cord 4 conductor 300VAC stranded conductors 22 26 AWG Input Output Voltage Ground isolated 5 4 VDC Cable Connector RJ 11 connector Ckt Input Isolation 5 3 KVAC Max Cable Distance 4000 feet Max Network Nodes Maximum cabling nodes 52 including master node Baud Rate 9600 Communications Options RS232 RS485 Standard Requires E Mon Energy Telephone Modem Requires E Mon Energy Ethernet Requires E Mon Energy Modbus RTU or TCP IP Requires third party EMS BMS BACnet IP or MS TP Requires third party EMS BMS LONworks TP Twisted Pair Requires third party EMS BMS Recommended In Line Fuse Manufacturer Littelfuse Mfg Part No KLDR 100 Rating 100 mA time delay 600 VAC cartridge fuse Battery Cell Description Non rechargeable cell used for memory retention Manufacturer Eagle picher Mfg Part No LTC 3PN Working Voltage 3 5 Vdc Current Capacity 350 mAHr Electrolyte Lithium thionyl nitrate CLASS 500 ADVANCED KWH DEMAND METER INSTALLATION VERIFY the input voltage rating and configuration on the unit panel label to ensure it is suitable for the intended electrical serv
14. RAL c Connect the NEUTRAL wire to the appropriate terminal block position NOTE For delta MAINS input wiring DO NOT connect the NEUTRAL wire Remove the terminal block screw for this position 62 0304 05 4 CLASS 500 ADVANCED KWH DEMAND METER d Connect the three AC mains power wires PHASE A PHASE B and PHASE C to their respective positions as labeled on terminal block TB1 After all conductors are connected to their respective terminal block positions and tightened down verify each terminal block screw is securely fastened by gently tugging on each conductor Verify that no conduc tor wires are frayed or shorting to adjacent terminal block positions 5 External switch mechanism in line fuse installation a To ensure a safe installation the Class 500 Meter requires an external switch mechanism such as a circuit breaker be installed to the Class 500 Meter MAINS input wiring The switch mechanism must be installed in close proximity to the Class 500 Meter and be easily reachable for the operator This device must also be marked as the disconnecting device for the Class 500 Meter b Install 1 10 Amp Slow Activation inline fuses with the suitable voltage rating for each conductor phase at the MAINS input to the meter The fuses must be labeled to indicate voltage and current rating as well as element characteristics The fuse element must be a slow activating type 6 Once the MAINS wiring is complete close the enclosure front pane
15. e securely fasten the protective earth ground screw WARNING Failure to attach the protective earth ground wire securely to the enclosure creates a potential shock hazard Do not operate the meter without a protective earth ground connection securely installed Wire entry Two openings exist on the standard enclosure one for 1 2 conduit and one for 3 4 conduit The 3 4 conduit opening located on the bottom edge of the housing is used to bring in MAINS power and current sensor wiring The 1 2 conduit opening located on the top edge of the housing is used to interface the low voltage signals and R8485 communica tions wiring to the unit Route the appropriate cabling to and through the respective enclosure opening Unit MAINS wiring a Remove the clear shield located over terminal block TB1 on the main power board This shield can be removed by pressing in on each locking tab located at the top of each standoff While pressing the tabs inward lift the shield from the standoffs Wire each connection to terminal block TB1 with stranded wire 14 12 AWG rated at 600 VAC b Strip back all wire insulation to expose between 1 4 and 3 8 of the copper conductors Gently twist each wire s con ductors to prevent fraying Insert the conductors into their respective terminal block position and tighten down the termi nal block screw to securely fasten the conductor Terminal block TB1 is clearly labeled PHASE A PHASE B PHASE C and NEUT
16. e frame ground point Load each current sensor by running at least 1 of the full scale rated current through the conductor being monitored by each phase For example a 2 Amp load is required on 200 Amp rated sensors for each phase to perform sensor diagnostic procedures e Verify that the current sensor white and black conductors are installed in the correct header positions e Verify that the current sensors are installed in the correct direction on the conductor being monitored e Verify that the current sensors plugs are terminated in the correct header on the Main Power board If the error messages still haven t been cleared measure the AC voltage output across the plug terminals of each current sensor individually Set the AC voltmeter to the 20 volt scale If a reading of zero volts is indicated on the voltmeter check for an open circuit An open could exist at the plug terminals or at a splicing junction Also verify that the core halves are assembled tightly Final Main Power Board Checks Once the phase error has been corrected the display LCD Check Sensor error should extinguish and the main power board LED D5 should flash at a rate of once per second Also verify that LED D4 labeled CPU is flashing at a rate of once per second and synchronously with LED D5 7 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER Wiring to the Network RS 485 Wiring for BACnet MS TP Modbus RTU or EZ 7 The Class 500 Meter contains
17. ice Meters labeled for 115 208 volt service MUST NOT be installed on service feeds of 277 480 volt and vice versa VERIFY that the Class 500 Meter current sensors are sized suitably for the load to be monitored Compare the color of the arrows on the current sensors to the chart below to confirm the correct current sensor is being used Table 1 Sensor arrow color and rating Sensor Arrow Color Code Sensor 100 Arp N CAUTION Internal circuit card components are extremely sensitive to electrostatic discharge Prior to handling or touching the internal circuitry discharge any static build up on your person To discharge yourself touch a grounded metal object such as conduit or an earth grounded metal enclosure WARNING Use of the Class 500 Meter in a manner inconsistent with this manual or not specified by the manufacturer in writing can cause permanent damage to the unit and or serious injury to the operator The protection and safety features provided by this equipment may become impaired or otherwise compromised WARNING High voltages are present on main power terminal block TB1 Risk of serious injury and or electrical shock exists Prior to performing any wiring operations review all the contents of the user s manual and de energize the MAINS power switch Only qualified personnel should perform installation wiring Installation wiring must comply with all local and national electrical codes WARNING Failure to gr
18. is determined by the current rating amperage of the Class 500 Meter For example a 200 Amp Class 500 Meter must use extra sets of 200 Amp current sensors 3 All locations being monitored must have the same power source A 480 volt Class 500 Meter for example cannot monitor a 208 volt load circuit nor can a Class 500 Meter monitor two 480 or 208 volt loads if they are from different originating power sources or from different transformers 4 The display readings must be multiplied by the number of sets of current sensors installed For example for Class 500 Meter reading of 5 KWH with 2 sets of currents sensors you will have 5 x 2 10 KWH actual usage 62 0304 05 10 CLASS 500 ADVANCED KWH DEMAND METER NOTE One set of current sensors equates to three sensors one per phase The multiplier only applies when extra sets of cur rent sensors are installed on one Class 500 Meter Therefore if you are using only one set of three current sensors the multiplier is not required LINE VOLTAGE A B C N CURRENT SENSORS A B C B W B W B W CURRENT SENSOR LEADS CURRENT SENSOR LEADS SOURCE LINE M29307 Fig 12 Parallel current sensor installation diagrams CONFIGURING THE CLASS 500 USING E MON ENERGY SOFTWARE E Mon Energy is a product of Honeywell Inc This software operates on a computer running Windows 2000 XP Vista or Windows 7 and is used to interface to many products including the C
19. l and secure the panel to the enclosure using the lock ing mechanism Activate the external circuit breaker or equivalent switch to apply AC MAINS power to the unit The Class 500 Meter display should turn on and indicate total kWh accumulation reading NOTE The unit display clock schedule and other critical configuration parameters will be reset once the unit is completely wired and ready for commissioning Resetting and configuring these parameters must be done through a host computer locally or remotely via an RS485 or ethernet link 7 Using an AC voltmeter verify that the input voltage readings are within the limits specified in Table 2 NOTE On 3 wire systems the voltages are measured Phase to Phase On 4 wire systems the voltages are measured Phase to Neutral Table 2 Input voltage limits Meter Input Voltage Configuration Normal Voltage Limits 10 120 208V 30 4 Wire 120 VAC 108 to 132 VAC 277 480V 30 4 Wire 277 VAC 249 to 305 VAC 346 600V 39 4 Wire 346 VAC 311 to 381 VAC 240V 39 3 Wire 240 VAC 216 to 264 VAC 480V 39 3 Wire 480 VAC 432 to 528 VAC 8 Remove power from the unit by de energizing the external switch Current Sensor Installation and Wiring Once the AC voltages have been confirmed to be within acceptable limits you are ready to install the current sensors The main power board contains three header connectors located at the bottom center of the board TB2 TB3 and TB4 TB2 Phase A current
20. lass 500 E Mon Energy Software requires data access via the EZ 7 protocol Reference the E Mon Energy software for specific instructions to perform the following operations Peak Demand Reset Modem Initialization Setting or changing the Remote Dial Out Number Downloading Profile Data Unit Initialization Setting Changing Unit ID Group and Location information Confi guring Unit Call In schedule Resetting Meter Display 11 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER MAINTENANCE The Class 500 Meter unit is shipped in a calibrated and fully functionally tested condition Since the unit is factory calibrated using proprietary firmware algorithms no internal unit adjustments are necessary This unit contains no internal adjustments Therefore no preventative or scheduled maintenance is required or cleaning or decontamination procedures Lithium Battery Replacement Instructions The Class 500 Meter has a lithium battery cell that is used to retain the contents of SRAM and the RTC during power outages The battery has a life expectancy greater than 8 years See Table 3 for battery specifications Table 3 Battery specifications 25 C Nominal working voltage 3 5 VDC output WARNING Only replace battery with the exact part number from the manufacturer specified above N CAUTION The battery is not completely discharged therefore DO NOT short the terminals on the battery with any conductive material N CAUTIO
21. ll be no effect on the Class 500 Meter if the sensor leads and line voltage wires are run in the same conduit How do find the cost for kWh and kW to bill my tenants Your local utility bill should list the cost per kWh and kW If not simply call your utility and ask them to provide you with the cost per kWh and kW What size wire do use for the line voltage leads These wires are normally sized at 14 AWG but be sure to confirm this requirement with your local and national electrical codes requirements What size wire should use to extend the current sensor leads These wires are normally 14 AWG twisted pair arrangement Consult your local electrical code for proper sizing requirements The load need to monitor has parallel feeds How do install the current sensors for this application There are two ways you can monitor parallel feeds One method is to clamp the sensors around all feed wires for each phase The second way to monitor parallel feeds is to clamp the sensor around one of the feed wires for each phase When you read the Class 500 the final reading must be multiplied by the number of feed wires for each phase have two subpanels would like to monitor with one Class 500 Meter These subpanels are fed by different transformers in the building Can parallel the sensors and monitor both panels with one Class 500 Meter No These panels cannot be monitored by one Class 500 because they are different power sources When y
22. ne Ear lt J Aes a TB2 m eS Ea w LONWORKS MODULE NOTE 2 POSITION TERMINAL BLOCK FOR TWISTED PAIR CONNECTION 5 50 S Ny 3 9 gt ON d O N SS Fig 11 LON wiring Ethernet wiring for BACnet IP and Modbus TCP IP and Ethernet EZ 7 These models are shipped with a board that allows for Ethernet communication via Modbus TCP IP BACnet IP or Ethernet EZ 7 EZ 7 protocol is required when using the Energy Software Modbus TCP IP and BACnet IP and Ethernet EZ 7 connections are made to the RJ45 connection on the Ethernet board Fig 7 on page 7 No RS 485 daisy chain capabilities exist with with these Ethernet connections MONITORING MULTIPLE LOADS WITH ONE CLASS 500 METER The Class 500 Meter provides extreme flexibility by allowing additional sets of current sensors to be used in parallel so multiple load locations can be monitored by one Class 500 Meter This feature allows a totalized display readout of two or more load circuits You may use parallel sensors to monitor specific breakers from one panel specific breakers from more than one panel two or more complete panels etc When paralleling current sensors the following rules must be followed for accurate readings 1 Current sensors must be installed in complete sets of three with a maximum of three sensors installed in parallel per phase 2 All sensors used in parallel must be of the same amperage rating i e 100 Amp 200 Amp etc The rating
23. ou parallel current sensors all loads being monitored must be from the same voltage source Automation and Control Solutions Honeywell International Inc 1985 Douglas Drive North Honeywell U S Registered Trademark Golden Valley MN 55422 2011 Honeywell International Inc customer honeywell com 62 0304 05 M S Rev 06 11 Printed in U S A
24. ound the enclosure creates a possible shock hazard Do not operate the Class 500 Meter without a protective earth wire attached securely to the PE terminal screw After installing the protective earth wiring secure the screw tightly 10 N m torque NEVER open the front panel of the unit while the unit has MAINS power applied Failure to comply can increase the risk of serious injury and for electrical shock Internal Electronic Assemblies The unit is composed of two major subassembly boards the main power and display boards See Fig 1 NOTE Units supplied in a NEMA 12 metal enclosure are suitable for indoor applications only For outdoor installation use the NEMA 4 enclosure DISPLAY BOARD E i caer oo ser p DaN H al i n J r es facs M28750 Fig 1 Subassembly boards in the Class 500 Meter 3 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER Main Power Board Connections to this board include the MAINS input voltage current sensors and external pulse input See Fig 2 The MAINS input terminals are covered with a protective clear shield for safety purposes The current sensor assemblies interface to TB2 TB3 or TB4 Each header connector input corresponds to an input voltage phase therefore care must be exercised to ensure each current sensor is connected to the correct input header J oft Wl Ris ity tO a TIRE 1 a i caiam fia ie Ris Ei Loc R LS o 2 1 of A la afi we 28520 aes 182
25. sensor input TB3 Phase B current sensor input TB4 Phase C current sensor input The Class 500 meters are shipped with split core current sensors 1 Split core current sensor This sensor opens so that it can be attached around the circuit conductor being monitored with out interrupting power 2 Split core current sensors output a 0 2 VAC signal proportional to the current being measured Installing the Split Core Current Sensor Assembly 1 Each phase being monitored will require one two piece current sensor assembly Therefore a three phase meter will require three 3 assemblies Open the two piece current sensor assembly by releasing the nylon clamp using a flat head screwdriver 2 Reassemble the current sensor assembly around the conductor s to be monitored Ensure the current sensor halves marked Load are both facing the load side of the conductor The colored arrow will be on the source side of the conductor being monitored and MUST be pointed in a clockwise direction around the conductor being monitored Tighten the nylon clamp to complete the assembly 5 62 0304 05 CLASS 500 ADVANCED KWH DEMAND METER Fig 3 Split core current sensor assembly Fig 4 Split core current sensor assembly installed IMPORTANT When looking from the source side of the conductor s being monitored you should see the arrow on the current sensor assembly The arrow should be pointing in a clockwise direction around the conductor s being
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