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Installation 

Connecting the MD-P1 and MD-P1D Power Meters 

 

18 

Siemens Industry, Inc. 

 

125-201 

 

 

09/30/2019 

 

Figure 6: Power Meter Connections. 

Completing the Wiring Connections - RS-485, 
Voltage Leads and CTs 

 

 

 

WARNING 

The FLN cable within electric panels and switchgear should be jacketed, shielded, 
twisted triad wire BELDEN 1121A. The jacket insulation rating should be 600V.  
 

DO NOT

 connect the FLN cable to the field panel yet. 

 

 

WARNING 

At this time, DO NOT connect the FLN cable to the FLN trunk. 

Doing so may damage FLN devices or cause personal injury. 

1. 

Mechanically secure the FLN cable where it enters the cabinet or panel. Remove 
the black RS-485 connector from the MD-P1 or MD-P1D Power Meter and wire the 
FLN cable to the RS-485 connector. Connect positive (+), and negative (-) wires to 
the FLN connector using the daisy-chain method (see Figure 6). Keep length of 
exposed wire to a minimum. 

2. 

Connect the COMMON wire to the RS-485 connector (S) terminal (see Figure 6).  

3. 

Tape back one of the FLN cable shields and connect the other shield to the Utility 
Panel Ground. 

4. 

If the MD-P1 or MD-P1D is the last FLN device, install the end of line terminator on 
the positive (+) and negative (-) terminals. See 

APOGEE Wiring Guidelines for 

Field Panels and Equipment Controllers

 (125-3002) for additional information. 

5. 

Tape or shrink wrap all FLN wire terminations and insulate any other exposed FLN 
wiring. Ensure that insulation complies with local and National Electrical Codes.  

Summary of Contents for MD-P1

Page 1: ...125 201 Smart Infrastructure 09 30 2019 125 201 Rev DA MD P1 and MD P1D Model Power Meters User Guide ...

Page 2: ...hout the express written permission of Siemens Industry Inc All software described in this document is furnished under a license agreement and may be used or copied only in accordance with license terms For further information contact your nearest Siemens Industry Inc representative Copyright 2019 Siemens Industry Inc To the Reader Your feedback is important to us If you have comments about this m...

Page 3: ...the LEDs 24 MD P1 and MD P1D Power Meters Wiring Diagrams 25 Supported P1 Applications 30 MD P1 Point Map by Application Number with Point Map Comparison 31 Appendices 40 Appendix A Decimal to Hexadecimal Conversion Table 40 Appendix B CT Wire Lead Polarity 42 Appendix C MD P1D with Visual Display 43 Appendix D Monitoring and Servicing the MD P1 and MD P1D Model Power Meters 45 ViewPoint Service S...

Page 4: ...4 Siemens Industry Inc 125 201 09 30 2019 Peak Demand Limiting 65 Data Reliability 68 Power Failure 68 Appendix G MD P1D with Visual Display 69 Frequently Asked Questions FAQs 72 Glossary 73 ...

Page 5: ... and Kw see Appendix C Table 1 Product Numbers Product Number MD P1 MD P1D Power Meter Bundled Kit Descriptions MD P1 Power Meter Bundled Kits Standard Grade MD P1 3 CTSC 100A Meter with three 100A split core current transformers with 1 windows MD P1 3 CTSC 200A Meter with three 200A split core current transformers with 1 windows MD P1 3 CTSC 400A Meter with three 400A split core current transform...

Page 6: ...5 windows Individual MD P1 Series Metering Devices not in a kit but individually orderable items Part Number Power Meter Individual Devices Not in a Metering Kit Descriptions MD Power Meters ONLY no CTs included these must be field configured to selected CT onsite MD P1 Power Meter Only P1 MD P1D Power Meter Only P1 with Display Current Transformers CTs Split Core Models Quantity 1 SCT HSC 0050 U ...

Page 7: ...lit Core Models Quantity 1 SCT SRS 050 U 50A Revenue Grade Small Split Core CT with 0 4 Window SCT SRL 100 U 100A Revenue Grade Large Split Core CT with 1 25 Window SCT SRL 200 U 200A Revenue Grade Large Split Core CT with 1 25 Window SCT SRL 400 U 400A Revenue Grade Large Split Core CT with 1 25 Window Current Transformers CTs Revenue Grade Toroidal Solid Core Models Quantity 1 SCT RGT12 0050 U 5...

Page 8: ...by both the Logger operator and servicing personnel Siemens Industry Inc assumes no liability for user s failure to comply with these safety guidelines The MD BMS and MD BMED Power Meters are Over Voltage Category III devices Use approved rubber gloves with mechanical protection and goggles when operating these devices Conforms to UL Std 61010 1 and IEC61010 2 030 Certified to CSA Std C22 2 No 610...

Page 9: ...ty equipment gloves and protective clothing as required for the voltages being monitored WARNING Do not exceed 600 Volts This meter is equipped to monitor loads up to 600V Exceeding this voltage will cause damage to the meter and danger to the user Always use a Potential Transformer PT for loads in excess of 600V The MD BMS and MD BMED Power Meters are 600 Volt Over Voltage Category III devices WA...

Page 10: ...t harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be r...

Page 11: ...indiquées Tout autre utilisation peut annuler ses moyens de protection WARNING Risque d électrocution Pour raccorder un MD Model Power Meter à une prise de courant alternatif suivez cette séquence pour empêcher tout risque l électrocution Mettez hors tension le circuit à surveiller Connectez le transformateur de courant aux phases à surveiller Connectez les fils de tension aux différentes phases U...

Page 12: ...MD BMS MD BMED tension dangereuse existent Il n y a acune pièce réparaable par l utilisateur n ouvrez pas le boîtier WARNING Limites du détecteur N utilisez que des transformateurs de tension shuntés Ne pas utiliser d autres transformateurs de tension N utilisez que des transformateurs de tension shuntés d une puissance maximale 333 mV De sérieux risques d électrocution et des dommages à l enregis...

Page 13: ...nternal fuse protection Waveform Sampling 12 kHz for voltage or current Channel Sampling Rate 500 milliseconds Parameter Update Rate 0 5 seconds Measurements Volts Amps kW kWh kVA kVAR kVARh kVAh Power Factor PF All parameters for each phase and for system total Accuracy 0 2 0 1 typical ANSI C12 20 2010 Class 0 2 Resolution 0 01 Amp 0 1 Volt 0 01 watt 0 01 VAR 0 01 VA 0 01 Power Factor depending o...

Page 14: ...nel Digital Display An optional 2 16 character display which auto cycles between informational screens every 2 3 seconds with real time values updated every second ViewPoint Minimum System Requirements Operating System Windows 7 32 or 64 bit Windows 8 Pro Vista 32 or 64 bit XP Windows 10 32 or 64 bit Communications Port One USB port and Type AB cable Hard Drive 50 MB minimum available Processor Pe...

Page 15: ...y kind including water on the MD P1 or MD P1D Power Meters Only accessories specified in Siemens product literature or price sheets are approved for use with MD P1 or MD P1D Power Meters If the meter appears damaged or defective 1 Disconnect all power and sensors 2 Contact Technical Support for assistance Siemens Industry Inc 1000 Deerfield Parkway Buffalo Grove IL 60089 800 877 7545 Dial 2 ...

Page 16: ...Installation Maintenance 16 Siemens Industry Inc 125 201 09 30 2019 Installation Figure 4 Power Meter Components and Connections WARNING Remove the meter from all power sources before mounting ...

Page 17: ...eters All wiring added must be rated for 600V CAT III applications The MD P1 and MD P1D Power Meters have the following wiring connections An RS 485 connection with plus minus and shield for the P1 network wiring Four connections for voltage sources L1 L2 L3 and Neutral These connections are on the red wiring connector The MD P1 and MD P1D Power Meters are self powered from L1 and L2 Up to three c...

Page 18: ...e the black RS 485 connector from the MD P1 or MD P1D Power Meter and wire the FLN cable to the RS 485 connector Connect positive and negative wires to the FLN connector using the daisy chain method see Figure 6 Keep length of exposed wire to a minimum 2 Connect the COMMON wire to the RS 485 connector S terminal see Figure 6 3 Tape back one of the FLN cable shields and connect the other shield to ...

Page 19: ...D P1 or MD P1D Power Meter It is powered through the red power connector see wiring connections in Figure 3 8 Verify proper power meter operation For normal operation the RS 485 LED blinks 9 Close the electric equipment housing 10 Using a voltmeter check for high voltage There should be no significant voltage no more than 5V AC or DC from either FLN leg to ground If voltage is higher than 5V check...

Page 20: ... the phase of the voltage leads The CT labeled CT 1 must be placed on L1 phase voltage wire CT 2 must be on the L2 voltage and CT 3 on the L3 voltage See Checking Phases for information about the CT LEDs and verifying the CT installation When using the MD P1 or MD P1D Model Power Meter with Rogowski Coils or CTs unused CT input s should be shorted with a jumper wire if all three coils are not conn...

Page 21: ...ct for the meter See Wiring Diagrams for specifics of the wiring connections Follow local electrical codes during this installation CAUTION Do not strap or mount an MD P1 or MD P1D Power Meter less than two inches from current carrying conductors The magnetic field around the conductors may affect the electronics in the meter The MD P1 and MD P1D Power Meters have an internal non user replaceable ...

Page 22: ...nt of the meters see Figure 8 The network address for the device is manually set using these two rotary switches noting the most significant bit MSB and least significant bit LSB markings These network addresses must be entered in hexadecimal format not decimal format see Appendix A Decimal to Hexadecimal Conversion Table Figure 9 Address Switches Location Table 2 P1 Address Decimal to Hexadecimal...

Page 23: ...anch circuit supplied by voltage source L1 and so on 3 The neutral must be connected because MD P1 and MD P1D Power Meters use line to neutral measurements for all calculations Typical 230V Single Phase Panel Setup Provide wiring from the red terminal block to the panel L1 Terminal to Voltage L1 black L2 Terminal to Voltage L2 red White Neutral voltage lead to Neutral CT1 will monitor L1 loads and...

Page 24: ...ucing set up time and nearly eliminating installation errors Verifying the MD P1 and MD P1D Power Meters Setup Using the LEDs The MD P1 and MD P1D Power Meter have three bi color LEDs for each element These LEDs provide the following information All LEDs are green the system power factor is greater than 0 55 and the CTs are properly placed on the corresponding voltage phases Any one LED is red the...

Page 25: ...ing red Red Red Green CT1 and CT2 are reversed Switch the position of the CTs flashing red Red Green Green CT1 is swapped with either CT2 or CT3 Switch CT1 with CT2 or switch CT1 with CT3 Green Red Green CT2 is swapped with either CT1 or CT3 Switch CT2 with CT1 or switch CT2 with CT3 Green Green Red CT3 is swapped with either CT1 or CT2 Switch CT3 with CT1 or switch CT3 with CT2 Red Green Red CT1 ...

Page 26: ...tallation MD P1 and MD P1D Power Meters Wiring Diagrams 26 Siemens Industry Inc 125 201 09 30 2019 WARNING Hazardous voltages exist MD P1 and MD P1D Power Meters should only be wired by qualified personnel ...

Page 27: ...Installation MD P1 and MD P1D Power Meters Wiring Diagrams 27 Siemens Industry Inc 125 201 09 30 2019 ...

Page 28: ...Installation MD P1 and MD P1D Power Meters Wiring Diagrams 28 Siemens Industry Inc 125 201 09 30 2019 ...

Page 29: ...Installation MD P1 and MD P1D Power Meters Wiring Diagrams 29 Siemens Industry Inc 125 201 09 30 2019 ...

Page 30: ...r MD P1x 3 CTSC 200A 2675 400 Amp CTs default for MD P1x 3 CTSC 400A 2676 600 Amp CTs default for MD P1x 3 CTSC 600A 2677 4000 Amp Rogowski Coil default for MD P1x 3 RC xx 2679 Universal scaling must be set at the job site NOTE If an MD P1 or MD P1D Power Meter is ordered as a spare it will leave the factory configured for Application 2679 NOTE If the P1 meter has firmware earlier than Revision 4 ...

Page 31: ...pplication Number P1 Application Number based on selected CT Current Range can only change via WCIS tool 1 0 3 LAI 3 FREQUENCY Hz 0 Measured Line Frequency 0 1 0 4 LAI 3 KW DEM MAX kW 0 System Maximum Power Demand or Peak Demand returns max demand value read since startup or reset of demand register 0 1 0 5 not used not used 6 LAI 3 KW DEM MIN kW 0 System Minimum PowerDemand returns min demand val...

Page 32: ...All Phases 0 01 for 2771 2773 2774 0 02 for 2775 2776 0 05 for 2772 2777 1 0 for 2779 0 13 LAI 3 VOLTAGE LL V 0 Average Line to Line Voltage for all Phases 0 1 0 14 LAI 3 VOLTAGE LN V 0 Average Line to Neutral Voltage for all Phases 0 1 0 15 LAI 3 APPARENT PWR kVA 0 System Total Apparent Power unsigned value of ABS kVA L1 ABS kVA L2 ABS kVA L3 0 1 0 16 LAI 3 REACTIVE PWR kVAR 0 System Total Reacti...

Page 33: ... 3 CURRENT A A 0 Individual Phase L1 Current 0 01 for 2771 2773 2774 0 02 for 2775 2776 0 05 for 2772 2777 1 0 for 2779 0 25 LAI 3 CURRENT B A 0 Individual Phase L2 Current 26 LAI 3 CURRENT C A 0 Individual Phase L3 Current 27 LAI 3 KW AVG POS kW 0 System Average Positive Power Draw positive kW System Time since Reset 3600sec Hour resettable 0 1 0 28 LAI 3 KW AVG NEG kW 0 System Average Negative P...

Page 34: ...w system lowest 500ms power draw value since reset resettable 0 1 0 34 LAI 3 KW MIN POS kW 0 System Minimum Instantaneous Positive Power Draw system min 500ms positive power draw value since reset resettable 0 1 0 35 LAI 3 KW MIN NEG kW 0 System Minimum Instantaneous Negative Power Draw system min 500ms negative power draw value since reset resettable 0 1 0 36 LAI 3 KW A kW 0 Individual instantane...

Page 35: ... to min max registers 0 1 0 44 LAI 3 KVARH NET LO kVARh 0 System Total Net Reactive Energy LSW unsigned value of ABS kVARh L1 ABS kVARh L2 ABS kVARh L3 1 0 45 LAI 3 KVARH NET HI kVARh 0 System Total Net Reactive Energy MSW unsigned value of ABS kVARh L1 ABS kVARh L2 ABS kVARh L3 1 0 46 LAI 3 KVAR SYS NET kVAR 0 System Net Total Reactive Power signed net value of ABS kVAR L1 ABS kVAR L2 ABS kVAR L3...

Page 36: ... unsigned value of ABS kVAh L1 ABS kVAh L2 ABS kVAh L3 1 0 55 not used not used 56 not used not used 57 not used not used 58 not used not used 59 not used not used 60 not used not used 61 not used not used 62 LAI 3 KVA NET POS kVA 0 System Net Positive Instantaneous Positive Total Apparent Power signed net value of ABS poskVA L1 ABS poskVA L2 ABS poskVA L3 0 1 0 63 LAI 3 KVA NET NEG kVA 0 System N...

Page 37: ...minute will compare and post to min max registers 0 1 0 69 LAO 4 DATA SCALAR 3 A Value of 0 6 that changes the scaling of certain registers 1 0 70 LAO 4 DEMAND WIN min 15 Demand window size in minutes default is 15 minutes 1 0 71 LAO 4 VOLT MULT 1 Multiply volts values by this scalar Use with Step down Transformer Affects all parameters that use volts such as kW 1 0 72 LDO 2 CTA TYPE 1 Select 1 mV...

Page 38: ...t used not used 82 LAI 3 TSRHOUR hrs 0 The number of hours that meter has been powered up since the accumulation point has been cleared by point 98 CLEAR ACUM 1 0 83 LAI 3 TSRDAY day 0 The number of days that meter has been powered up since the accumulation point has been cleared by point 98 CLEAR ACUM 1 0 84 LAI 3 DATA TICK sec 0 Internal sample count gets cleared every minute may be used to dete...

Page 39: ...he amperage current value as a percentage of the CT value that will snap to 0 amps when the amperage is snap CT Value 0 01 0 93 LAO 4 SNAP RO per 0 17 Similar to the SNAP mV percentage above this is used for Rogowski coils by default it is 17 0 01 0 94 LAO 4 SNAP VOLT V 10 Defined in volts not a percentage of the maximum voltage input 1 0 95 not used not used 96 not used not used 97 not used not u...

Page 40: ... 02 45 2D 88 58 131 83 174 AE 217 D9 3 03 46 2E 89 59 132 84 175 AF 218 DA 4 04 47 2F 90 5A 133 85 176 B0 219 DB 5 05 48 30 91 5B 134 86 177 B1 220 DC 6 06 49 31 92 5C 135 87 178 B2 221 DD 7 07 50 32 93 5D 136 88 179 B3 222 DE 8 08 51 33 94 5E 137 89 180 B4 223 DF 9 09 52 34 95 5F 138 8A 181 B5 224 E0 10 0A 53 35 96 60 139 8B 182 B6 225 E1 11 0B 54 36 97 61 140 8C 183 B7 226 E2 12 0C 55 37 98 62 1...

Page 41: ... 157 9D 200 C8 243 F3 29 1D 72 48 115 73 158 9E 201 C9 244 F4 30 1E 73 49 116 74 159 9F 202 CA 245 F5 31 1F 74 4A 117 75 160 A0 203 CB 246 F6 32 20 75 4B 118 76 161 A1 204 CC 247 F7 33 21 76 4C 119 77 162 A2 205 CD 248 F8 34 22 77 4D 120 78 163 A3 206 CE 249 F9 35 23 78 4E 121 79 164 A4 207 CF 250 FA 36 24 79 4F 122 7A 165 A5 208 D0 251 FB 37 25 80 50 123 7B 166 A6 209 D1 252 FC 38 26 81 51 124 7C...

Page 42: ...arity 42 Siemens Industry Inc 125 201 09 30 2019 Appendix B CT Wire Lead Polarity Table 6 CT Polarity CT Type CT Lead CT Lead Rogowski White Brown Split Core mV White Black For Rogowski CTs the arrow points toward the load for example motor ...

Page 43: ...ld mode by pushing holding the meter display button for five seconds This mode change is saved to non volatile memory in case of power loss AUTO CYCLE The display will auto cycle between flowchart screens every two seconds Pushing the meter display button five seconds will temporarily hold the current screen until either the display button is pushed again or until a 20 second default timeout occur...

Page 44: ...Appendices Appendix C MD P1D with Visual Display 44 Siemens Industry Inc 125 201 09 30 2019 ...

Page 45: ...such as Upload MD P1 and MD P1D Power Meter settings into ViewPoint for viewing within the service tool Inspect the meter name serial number and firmware revision Inspect Current Transformer CT values and parameters Inspect key real time measurement values only if connected to load Perform firmware upgrades for MD P1 and MD P1D Power Meters Obtaining and Installing ViewPoint Software The ViewPoint...

Page 46: ...sToGo UPC 757120281023 Grainger 5XFV4 Best Buy SKU 9457928 A USB driver is installed when you install the ViewPoint software ViewPoint communicates with the MD P1 or MD P1D Power Meter through a USB connection using Modbus protocol in the service software communication with the meter The USB connector on the meter can be used to power the unit during configuration Initial Meter Setup Start ViewPoi...

Page 47: ...wer Meters 47 Siemens Industry Inc 125 201 09 30 2019 Communications Screen Figure 10 Communications Screen To upload the MD P1 or MD P1D Power Meter information into the ViewPoint software 1 From the pull down menu at the top right of this screen Dec PS24 select Hex PS3 PS3037 ...

Page 48: ...and Servicing the MD P1 and MD P1D Model Power Meters 48 Siemens Industry Inc 125 201 09 30 2019 2 From the PC COM Port drop down menu select USB The screen updates with less information available to match MD P1 or MD P1D functionality ...

Page 49: ...ick the Connect button at the lower right corner of the screen The meter s key data is uploaded into the ViewPoint Service Software Tool and displays the connected meter s data on this screen including Model Number Meter Serial Number Meter Firmware Revision The status box contains information confirming valid connection to the meter ...

Page 50: ...emens Industry Inc 125 201 09 30 2019 NOTE There are no commands issued here just data validation Meter Setup Screen To verify the Current Transformer values that are pre programmed as part of the meter s application click the Meter Setup tab at the top of the ViewPoint Service software screen ...

Page 51: ...09 30 2019 This screen may initially be mostly blank To upload your connected meter s CT selections defined by its programmed application click on the Retrieve Meter Setup button at the bottom of the screen The screen will update with information that is CT dependent Below is an example of what the screen may look like ...

Page 52: ...screen 3 Redefine a WYE or DELTA wiring configuration for the meter by clicking the correct button at the top of the screen NOTE For single phase configuration select WYE see MD P1 and MD P1D Power Meters Wiring Diagrams for sample single phase wiring configurations Siemens Industry Inc recommends using three CTs in a WYE connection for Delta loads A WYE connection automatically displays all three...

Page 53: ...019 CAUTION DO NOT attempt to change CT values from this screen CT values can only be updated by using the Siemens WCIS Programming Tool to modify the MD P1 Model Power Meter application number CAUTION DO NOT CHANGE ANY VALUES IN THESE CT REGISTERS Updating CT values using ViewPoint software can make the power meter inoperable ...

Page 54: ...er Check the DENT Instruments web site for the latest version of firmware http www dentinstruments com downloads_data_logger_power_meter_drivers_softwa re html Downloading and Installing Firmware 1 Download the Zip file containing the firmware Extract the Zip file to a folder on the computer 2 Connect the computer to the MD P1 or MD P1D Power Meter using the USB port See Installing the ViewPoint S...

Page 55: ...9 When the update completes ViewPoint displays a message window confirming a successful update Comms Setup Screen This ViewPoint screen is designed for use with MD BM BACnet Modbus style power meters and is not applicable for the MD P1 of MD P1D Power Meter It is strongly recommended not to use this screen for these power meters ...

Page 56: ...fore making meter register adjustments Verifying Installation with ViewPoint Software In addition to verifying your connections with the PhaseChek LEDs on the front of the meter you can use the ViewPoint software to check connections Any computer running ViewPoint software can display information about the meter s real time values for local verification of operation Real Time Values Screen Click o...

Page 57: ...and compare its readings to the values provided on the Real Time Values screen To acquire new measurement values click Update to retrieve a new set of values for the MD P1 or MD P1D Power Meter For Auto Update select the check box to automatically update values approximately every 20 seconds Using the Optional Visual Display to Verify Real Time Values MD P1D Model Only The MD P1D Power Meter has a...

Page 58: ...ed for use with MD BMS BACnet Modbus style meters and is not applicable for MD P1 or MD P1D Power Meters It is strongly recommended that you do not use these screens for these meters CAUTION DO NOT make changes on this ViewPoint screen Doing so may make the MD P1 or MD P1D Power Meter inoperable Contact Siemens Technical Support for assistance before making meter register adjustments ...

Page 59: ...fore summation of the total consumption Since CONSUMPTION HI only counts up by 1 for every 10 000 counts for LOW CONSUMPTION it should be multiplied by 10 000 before CONSUMPTION LO is added to obtain the TOTAL CONSUMPTION The following example where total consumption for the months of January and February are calculated illustrates this point HILAST HISTART 10000 LOLAST LOSTART CONSUMPTION PERIOD ...

Page 60: ...4 C 00216 C NAME FOR THE HI ACC READING MONTH VLAO CMH CMH 00218 C NAME FOR THE LO ACC READING MONTH VLAO CML CML 00220 C NAME FOR THE HI ACC READING WEEKLY VLAO CWH CWH 00222 C NAME FOR THE LO ACC READING WEEKLY VLAO CWL CWL 00224 C NAME FOR THE HI ACC READING DAILY VLAO CDH CDH 00226 C NAME FOR THE LO ACC READING DAILY VLAO CDL CDL 00228 C NAME FOR THE CONSUMPTION FOR JANUARY VLAO JAN JAN 00230 ...

Page 61: ...K VLAO WEK WEK 00984 C 00986 C SET UP THE NAME OF THE MECHANICAL SYSTEM 00988 C APOGEE INSTRUCTIONS REPLACE X WITH MECHANICAL SYSTEM THE Y AND Z 00990 C DEFINE STATEMENTS ARE FOR THE ACTUAL POINTS IN THE DEM DEVICE 00992 C NON APOGEE PANEL DELETE OR COMMENT OUT LINES 1000 1020 AND 00994 C USE SEARCH AND REPLACE TO CHANGE X TO MECHANICAL SYSTEMS AND 00996 C REPLACE Y AND Z WITH THE DEM APPLICATION ...

Page 62: ...JUN Y X CMH Z X CML 03120 IF MONTH NE 7 THEN GOTO 3140 03130 SAMPLE 60 X JUL Y X CMH Z X CML 03140 IF MONTH NE 8 THEN GOTO 3160 03150 SAMPLE 60 X AUG Y X CMH Z X CML 03160 IF MONTH NE 9 THEN GOTO 3180 03170 SAMPLE 60 X SEP Y X CMH Z X CML 03180 IF MONTH NE 10 THEN GOTO 3200 03190 SAMPLE 60 X OCT Y X CMH Z X CML 03200 IF MONTH NE 11 THEN GOTO 3220 03210 SAMPLE 60 X NOV Y X CMH Z X CML 03220 IF MONT...

Page 63: ... X CDL 05080 IF DAY NE 5 THEN GOTO 5100 05090 SAMPLE 60 X FRI Y X CDH Z X CDL 05100 IF DAY NE 6 THEN GOTO 5120 05110 SAMPLE 60 X SAT Y X CDH Z X CDL 05120 IF DAY NE 7 THEN GOTO 6000 05130 SAMPLE 60 X SUN Y X CDH Z X CDL 05998 C 05990 C WEEKLY CONSUMPTION 05992 C IF IT IS THE LAST DY OF THE WEEK AND IT IS 12 00 AM THEN SET THE 05994 C VIRTUAL METER CONSUMPTION POINT EQUAL TO THE ACTUAL DEM VALUES 0...

Page 64: ...do not use the LOC resident point for intermediate calculations the maximum value of the LOC resident point is 32 767 Maximum Physical Unit V2 Slope Resolution Intercept V1 32 766 00 1 0 327 660 00 10 0 163 83 0 05 0 1638 30 0 5 0 163 830 5 0 1 638 300 50 0 32 766 00 1 0 Measuring and Calculating Demand kW DEMAND represents the instantaneous 3 phase total demand kW and functions as a logical analo...

Page 65: ...various time of use periods and also to calculate the average demand over a 15 minute period In this case DEMAND is used for only real time load monitoring applications graphics alarming and so on and does not need to be trended Applications requiring greater accuracy for demand billing or allocation purposes can collect peak demand calculations with timestamps using the rolling or fixed demand me...

Page 66: ...UT THE EXPRESS WRITTEN 00038 C CONSENT FROM SIEMENS BUILDING TECHNOLOGIES INC MAY VOID THE WARRANTY 00040 C 00042 C SEE DRAWING D PAGE P JOB zzz 00044 C FOR CONFIGURATION AND SEQUENCE OF OPERATION 00046 C 00048 C VER DATE ENG SPEC COMMENTS 00050 C A 07 20 98 CSAL INITIAL PROGRAMMING 00052 C 0 11 30 98 CSAL PROGRAM TESTED AND COMPLETED MODIFICATIONS 00098 C 00100 C PHYSICAL INPUTS 00102 C 00104 C N...

Page 67: ... KW1 00134 C NAME FOR PDL STATEMENT TARGET VLAO TG1 TG1 00136 C 00138 C VIRTUAL DIGITAL OUTPUTS 00140 C 00142 C NAME FOR THE OUTPUT POINT FOR EXCEEDING THE DEMAND LIMIT VLDO EX EX 00984 C 00986 C SET UP THE NAME OF THE MECHANICAL SYSTEM 00988 C APOGEE INSTRUCTIONS REPLACE X WITH MECHANICAL SYSTEM 00990 C NON APOGEE PANEL DELETE OR COMMENT OUT LINE 1000 AND 00992 C USE SEARCH AND REPLACE TO CHANGE ...

Page 68: ...tion see the APOGEE Field Panel User s Manual 125 3000 Data Reliability Many power meter field panel applications require high data reliability This means that trend data collection must be configured to reduce the risk of data loss To reduce the risk of data loss schedule trend data collection for regular intervals for example every two hours or use the Trend Buffer Full option to upload trend da...

Page 69: ...gital display It has two rows of 16 characters that auto cycle between informational screens every two to three seconds with real time values updated every second A Hold button located on the side of the meter near the USB jack will stop the cycle until it is pressed again or a set timeout is reached The following flowchart shows the information displayed during the cycles ...

Page 70: ...Appendices Appendix G MD P1D with Visual Display 70 Siemens Industry Inc 125 201 09 30 2019 ...

Page 71: ... volatile memory in case of power loss Auto Cycle The display will auto cycle between flowchart screens every 2 seconds Pushing the meter display button 5 seconds will temporarily hold the current screen until either the display button is pushed again or until a 20 second default timeout occurs returning it to auto cycle Manual Cycle and Hold The display will manually advance the flowchart screens...

Page 72: ... MD P1D Power Meters can be connected together on a P1 FLN network How is hexadecimal HEX to decimal converted Use the Decimal to Hexadecimal Conversion table in Appendix A of this manual Meter addressing is in hexadecimal What is true RMS RMS stands for Root Mean Square True RMS is the power from AC voltage current that will produce the equivalent amount of heat in a resistor as a DC voltage curr...

Page 73: ... Power Meters have an output port The port can be used to output kWh kVARh or kVAh pulses to external devices or to toggle on and off to control a remote device or relay Discovery In BACnet devices and the objects they expose can be found through a discovery process This means that devices and objects do not need to be manually added if a BACnet client supports discovery Falling edge Transition of...

Page 74: ... for external devices such as data loggers that can accept pulses The MD P1 and MD P1D Power Meters can generate pulses based on accumulated value s such as system kWh system kVARh and system kVAh Rising edge Transition of the input signal from low to high RMS Root Mean Square True RMS is the AC voltage current that produces the equivalent amount of heat in a resistor as a DC voltage current wheth...

Page 75: ...Glossary 2 75 Siemens Industry Inc 125 201 09 30 2019 ...

Page 76: ...re 1000 Deerfield Pkwy Buffalo Grove IL 60089 Tel 1 847 215 1000 Siemens Industry Inc 2019 Technical specifications and availability subject to change without notice Document ID 125 201 125 201 DA MD P1 and MD P1D Model Power Meters Edition 09 30 2019 ...

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