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C191HM

Powermeter

and

Harmonic

Manager

Installation

and Operation

Manual

BG0280 Rev. A4

Содержание C191HM

Страница 1: ...C191HM Powermeter and Harmonic Manager Installation and Operation Manual BG0280 Rev A4 ...

Страница 2: ...C191HM Powermeter Harmonic Manager Installation and Operation Manual ...

Страница 3: ......

Страница 4: ...rument However these instructions do not cover all possible contingencies that may arise during installation operation or maintenance and all details and variations of this equipment are not covered by these instructions For additional information regarding installation operation or maintenance of this instrument contact the manufacturer or your local representative or distributor IMPORTANT Please...

Страница 5: ... to reduce mechanical strain on the screw terminals if necessary Setup procedures must be performed only by qualified personnel familiar with the instrument and its associated electrical equipment DO NOT open the instrument under any circumstances Modbus is a trademark of Modicon Inc Read this manual thoroughly before connecting the meter to the current carrying circuits During operation of the me...

Страница 6: ... 4 Analog Output Setup Menu 24 4 5 Pulsing Output Setup Menu 26 4 6 Alarm Event Setpoints Setup Menu 27 4 7 Relay Operation Control Menu 32 4 8 Display Setup Menu 33 4 9 User Selectable Options Menu 35 4 10 Access Control Menu 37 4 11 Reset Synchronization Menu 38 Chapter 5 Data Display 39 5 1 Navigating in the Display Mode 39 5 2 Data Display Formats 42 5 3 Self Test Diagnostics Display 46 Chapte...

Страница 7: ...11 8 22 21 20 23 24 25 1 N V3 2 3 4 5 120 230V AC N N N 33 INPUT STATUS 29 27 28 26 30 31 32 6 7 8 12 10 9 SW2 LINE AC N 5A L N LOAD K L ANALOG OUTPUT V 5 2 V2 1 16 24V 19 18 17 N LINE LINE 3 C 2 B PLC LOAD 24V RS 485 _ SW1 1A PC I1 6 3 I 7 2 I 4 3 RS 232 RS 485 Tx 13 x Rx 14 15 1 Powermeter UP TO 31 DEVICES Switches _ Shorting K L LINE 1 A K L ...

Страница 8: ...riods to be averaged for sliding window demands 1 block interval demand calculation A dP Ampere Volt demand period 900 The length of the demand period for volt ampere demand calculations in seconds 0 measuring peak current buF Averaging buffer size 8 The number of measurements for RMS sliding averaging rSt Reset enable disable diS Protects all reset functions both via the front panel or communicat...

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Страница 10: ... instrument This information may be useful during installation Chapter 7 contains Technical Specifications for the C191HM 1 2 About The C191HM The C191HM is a compact panel mounted three phase AC Powermeter and Harmonic Manager specially designed to meet the requirements of users ranging from electrical panel builders to substation operators The C191HM provides basic voltage current frequency powe...

Страница 11: ...acts of six relays may switch loads up to 250V 5A AC and are recommended for alarm and remote control contacts of two relays may switch loads up to 250V 3A AC and may be used for energy pulsing One optically isolated analog output is provided for remote monitoring or control Current loop options are 0 20 and 4 20 mA The analog output must be used with an external power supply Four counters are pro...

Страница 12: ...oltage maximum demand per phase Average Power Values Average active power per phase Average reactive power per phase Average apparent power per phase Average total active power Average total reactive power Average total apparent power Average power factor per phase Average total power factor Power Demand Parameters Active power accumulated demand Apparent power accumulated demand Active power dema...

Страница 13: ...hase RT frequency RT neutral current Real time Power Values RT active power per phase RT reactive power per phase RT apparent power per phase RT total active power RT total reactive power RT total apparent power RT power factor per phase RT total power factor Real time Harmonic Values RT voltage THD per phase RT current THD per phase RT current TDD per phase RT K Factor per phase Average Harmonic ...

Страница 14: ...odd current harmonics 3 39 triggers Voltage harmonics angles 1 40 per phase Current harmonics angles 1 40 per phase Phase Rotation Counters Status Input Relay Status Remote Relay Control Alarm Trigger Status Self Diagnostic Tests For 4Ln3 and 3Ln3 wiring configurations line to line and line to neutral voltages are displayed and transmitted via communication simultaneously analog output and set poi...

Страница 15: ...strument Dimensions Figure 1 1 C191HM Dimensions 8 4 ALARM RXD 144m m MAX MIN ESC SELECT K5 K 6 K K 7 8 6 m m 144mm TXD LOAD K 1 K2 K K3 C191HM Aneutral c99 10021 2 kvar ENTER ENERGY A3 kW V3 V3 1 Hz A2 PF V2 V2 3 kVA V1 V2 2 A1 ...

Страница 16: ...pare the panel cut out 136 x 136 mm prior to mounting STEP 1 Place the instrument through the cut out STEP 2 Assemble the latches onto the outer wall of the enclosure STEP 3 Tighten the screws Figure 2 1 Mounting the C191HM STEP 3 STEP 2 C191HM 136 0 136 0 1 0 STEP 1 c99 09046 2 1 0 ...

Страница 17: ...terminal 12 neutral to terminal 10 DC power supply positive to terminal 12 negative to terminal 10 2 2 2 Current Inputs Connect the instrument to the current transformer as shown in Figures 2 2 through 2 8 2 2 3 Ground Connect the chassis ground C191HM terminal to the switchgear earth ground using dedicated wire of greater than 2 5 mm 2 13 AWG 2 2 4 Voltage Inputs Input of 690V Standard Use any of...

Страница 18: ... 4Ln3 or 4LL3 Figure 2 4 3 wire open delta connection using 2 PTs 2 CTs 2 element 3OP2 Figure 2 5 3 wire open delta connection using 2 PTs 3 CTs 2 element 3OP3 Figure 2 6 4 wire WYE connection using 2 PTs 3 CTs 2 element 3Ln3 or3LL3 Figure 2 7 4 wire delta direct connection using 3 CTs 3 element 4Ln3 or 4LL3 Figure 2 8 11 8 5 2 LINE 1 C B A K 1 c99 09042 7 10 12 9 4 6 3 L K LOAD Shorting Switches ...

Страница 19: ...0 12 9 4 6 3 Currents A C N B K K L K L LOAD L c99 09037 LINE 3 LINE 2 LINE 1 VN V3 V2 V1 11 8 5 2 Shorting Switches Voltages 1 7 10 12 9 4 6 3 Currents Figure 2 3 Four Wire WYE Direct Connection Using 3 CTs 3 element Wiring Mode 4LL3 or 4Ln3 Figure 2 4 Four Wire WYE Connection Using 3 PTs 3 CTs 3 element Wiring Mode 4LL3 or 4Ln3 ...

Страница 20: ...g Switches Voltages Currents A C B K K L K L LOAD L c99 09039 LINE 3 LINE 2 LINE 1 VN V3 V2 V1 11 8 5 2 Shorting Switches Voltages 1 7 10 12 9 4 6 3 Currents Figure 2 5 Three Wire Open Delta Connection Using 2 PTs 2 CTs 2 element Wiring Mode 3OP2 Figure 2 6 Three Wire Open Delta Connection Using 2 PTs 3 CTs 2 element Wiring Mode 3OP3 ...

Страница 21: ... DISPLAYED N A 1 L 120V 2 L C 120V 208V L3 B Grounded delta connection N LINE LINE LINE 208VAC 240VAC 240VAC N L3 120VAC N L3 C 120VAC 240VAC 2 L L1 A 2 L B 1 L K K K L L LOAD L 11 c99 09041 8 5 2 1 A 2 B 3 C V1 V2 VN V3 Shorting Switches 1 7 10 12 9 4 6 3 Currents Voltages Figure 2 8 Four Wire Delta Direct Connection Using 3 CTs 3 element Wiring Mode 4LL3 or 4Ln3 Figure 2 7 Four Wire Wye Connecti...

Страница 22: ...nitoring or external synchronization input for power demand period Figure 2 10 Status Input Connection c99 090 4 5 CONTROL R E LAY S C191HM LOAD LOAD LOAD FUSE FUSE FUSE RELAY CONTROL ENABLE DISABLE 10 1 5A 5A 15 A N N N N 120 230V AC 1 2 0 23 0 V AC 120 230V AC 1 2 3 4 5 6 7 8 20 21 22 2 3 24 25 26 27 28 29 30 31 IN PUT STATUS C191HM c99 0 904 4 SUPPLY 12V DC INTERNAL DRY CONTACT EXTE RNAL 33 32 ...

Страница 23: ...current output options of 0 20 mA and 4 20 mA current loop load of up to 500 Ohm The analog output must be used with a 24 V DC external power supply Figure 2 11 Analog Output Connection c99 090 43 PLC OR SCADA ANALOG OUTPUT C191HM INPUT OF 24V DC 0 20mA OR 4 20mA SHIELD LOAD UP TO 510 O HM 16 24V 17 18 19 OUT ...

Страница 24: ...ts on one multi drop line DSR CTS RS 232 POWERMETER RxD 14 SG TxD 15 25 PIN DB25 MALE CONNECTOR MODEM TxD GND 2 7 C99 11012 3 RxD Figure 2 12 Connection for 25 pin Modem Connector 9 PIN DB9 MALE CONNECTOR POWERMETER 14 15 13 RS 232 RxD TxD SG TxD 3 GND 5 c99 11013 MODEM RxD 2 Figure 2 13 Connection for 9 pin Modem Connector RS 232 POWERMETER RxD 14 SG TxD 15 13 25 PIN DB25 FEMALE CONNECTOR IBM PC ...

Страница 25: ... is not applicable since it is built in to the converter Activity on the communications port lines is indicated via the TXD and RXD LEDs on the front panel and via the Status Information menu see Chapter 6 A full description of the communication protocols may be found in the C191HM ASCII Modbus and DNP3 0 Communications Manuals provided with your c99 09035 C192PF8 POWER FACTOR CONTROLLERS IBM PC C...

Страница 26: ...Chapter 2 Installation 17 instrument ...

Страница 27: ... 1 presents a complete menu list Depending on the model of your instrument some menus may not appear Password The Setup Change Menu can be secured by a user defined password comprised of 4 digits The instrument is shipped with password protection disabled To enable password protection go to the Access Control Menu see Section 4 10 The Password Menu appears if password protection is enabled To ente...

Страница 28: ...ital Inputs Analog Outputs Pulsing Setpoints Event Setpoints Display Setup Reset Functions Selectable Options Access Control ENTER ENTER PHAS rEL St In Cnt 1 Cnt 2 Cnt 3 Cnt 4 Phase Rotation Relay Status Status Inputs Counter 1 Counter 2 Counter 3 Counter 4 SELECT Selects an active window Enters menu sub menu Quits menu sub menu Scrolls options forward Scrolls options backward ENTER ESC rELo Relay...

Страница 29: ...s the basic configuration options which define the general operating characteristics of your instrument such as wiring mode input scales the size of the RMS averaging buffer etc Table 4 1 lists the basic setup options their code names and applicable ranges Activate the middle window to scroll through the list of available options and then activate the lower window to set the option value To select...

Страница 30: ...alculations in seconds 0 measuring peak current buF Averaging buffer size 8 16 32 The number of measurements for RMS sliding averaging rSt Reset enable disable diS En Protects all reset functions both via the front panel or communications Freq Nominal frequency 50 60 Hz The nominal power utility frequency LoAd Maximum demand load current 0 6 500A 0 The maximum demand load current used in TDD calcu...

Страница 31: ...on Press to activate the lower window Press the up down arrow keys to scroll to the desired value Press to store the selected value or press to quit the setup menu Table 4 2 Communications Options default setting Code Parameter Options Description Prot Communications protocol ASCII rtu ASCII protocol Modbus RTU protocol Addr Address 0 99 ASCII 1 247 Modbus Powermeter address bAud Baud rate 110 110...

Страница 32: ...s input External synchronization input To change the digital input allocation Press to activate the middle window Use the up down arrow keys to set the input allocation status Press to store your new inputs allocation Press to leave the allocation unchanged or to quit the menu 1 indicates that the input is allocated as the external synchronization pulse input 0 indicates that the input is allocate...

Страница 33: ...he value unchanged Press again to store the setup for the channel To quit the setup without changes From the middle or lower window press To quit the menu From the upper window press or NOTES 1 Except for the signed power factor the output scale is linear within the value range The scale range will be inverted if the full scale specified is less than the zero scale 2 The output scale for the signe...

Страница 34: ...PF Total PF 0 000 to 0 000 r PF LG Total PF lag 0 to 1 000 r PF Ld Total PF lead 0 to 1 000 r Fr Frequency Hz 0 to 100 00 Average Measurements A U 1 Voltage L1 L12 V kV 0 to Vmax A U 2 Voltage L2 L23 V kV 0 to Vmax A U 3 Voltage L3 L31 V kV 0 to Vmax A C1 Current L1 A 0 to Imax A C2 Current L2 A 0 to Imax A C3 Current L3 A 0 to Imax A P Total kW kW MW Pmax to Pmax A q Total kvar kvar Mvar Pmax to ...

Страница 35: ...e pulsing parameter assigned to the relay is displayed in the middle window and the amount of unit hours per pulse is displayed in the lower window To change the pulse relay setup Press to activate the middle window Use the up down arrow keys to scroll to the desired output parameter Selecting nonE disables pulsing through this relay Press to activate the lower window Use the up down arrow keys to...

Страница 36: ...s menu is used to specify the events to be monitored by the setpoints and actions to be triggered by those events To program a setpoint you might need to define up to six setup parameters which include the setpoint trigger parameter operate and release limits optional operate and release delays and the setpoint action Table 4 6 explains the setpoint setup parameters For the entire list of availabl...

Страница 37: ...iddle window press To quit the setpoints setup menu From the upper window press or NOTES 1 If your instrument is not equipped with the optional relay then these setup parameters will not appear on the display 2 When you enter the setpoints setup menu at the protected level monitoring setpoints is temporarily suspended until you return to the main setup menu 3 Each time you select a new trigger par...

Страница 38: ...al Real time Values on any Phase r Hi U High voltage V 0 to Vmax r Lo U Low voltage V 0 to Vmax r Hi C High current A 0 to Imax r Lo C Low current A 0 to Imax r thd U High voltage THD 0 to 999 9 r thd C High current THD 0 to 999 9 r HFc C High K factor 1 0 to 999 9 r tdd C High current TDD 0 to 100 0 Real time Auxiliary Measurements r Hi Fr High frequency Hz 0 to 100 00 r Lo Fr Low frequency Hz 0 ...

Страница 39: ...igh accumulated kW demand kW 0 to Pmax Hi Ad S High accumulated kVA demand kVA 0 to Pmax Hi Pd P High predicted sliding window kW demand kW 0 to Pmax Hi Pd S High predicted sliding window kVA demand kVA 0 to Pmax High Voltage Harmonic Distortions on any Phase Hd03 U High voltage harmonic H03 0 to 100 00 Hd05 U High voltage harmonic H05 0 to 100 00 Hd39 U High voltage harmonic H39 0 to 100 00 High ...

Страница 40: ...ont panel to blink that gives the user a local alarm indication The alarm LED operates in latched mode i e even if an alarm condition disappears the alarm LED is still blinking until the user acknowledges the alarm from the front panel see Section 5 1 An alarm LED can be operated from any number of setpoints using an OR scheme Alarm relays operate in unlatched mode This means that a relay is opera...

Страница 41: ...ntrol and no alarm conditions exist or if it is manually operated via communications To select a relay Press to activate the middle window and then use the up down arrow keys to scroll to the desired relay To change the relay operation mode Press to activate the lower window Use the up down arrow keys to set the desired option Select nor for normal non failsafe relay operation or select FSAFE for ...

Страница 42: ...creen and defines scroll interval rEtn Auto return to the main screen diS En Disables enables auto return to the main screen after 30 seconds of uninterrupted use bAr Nominal load current for LED bar graph 0 6 500A 0 Defines the nominal load 100 level for the bar graph display 0 CT primary current Ph P Phase powers display mode diS En Disables enables display of phase powers in common measurements...

Страница 43: ...o scroll to the desired option To change the display option Press to activate the lower window Use the up down arrow keys to set the desired option Press to store your new setting or press to leave your previous setting unchanged To quit the display setup menu From the middle window press or SELECT SELECT ESC ESC ENTER ENTER ...

Страница 44: ...Code Parameter Options Description P cAL Power calculation mode rEAc nAct Using reactive power Using non active power roLL Energy roll value 10 E4 10 E5 10 E6 10 E7 10 E8 10 000 kWh 100 000 kWh 1 000 000 kWh 10 000 000 kWh 100 000 000 kWh Ph En Phase energy measurements diS En Enables disables measurements of energies per phase Power calculation mode P cAL Mode 1 Reactive power calculation rEAc Ac...

Страница 45: ...Reading MWh Mvarh MVAh Display Resolution MWh Mvarh MVAh 10 E4 9 999 9 999 0 001 10 E5 99 999 99 999 0 001 10 E6 999 999 999 99 0 01 10 E7 9 999 999 9 999 9 0 1 10 E8 99 999 999 99 999 1 The roll value may be changed in accordance with the average load of the power line For example if average power is 400 kW and the counter must be reset every 3 months 2160 hours then energy during this period equ...

Страница 46: ...e the password unchanged To enable disable password checking Press to activate the middle window and then use the up down arrow keys to move to the CtrL entry Press to activate the lower window Use the up down arrow keys to change the password checking status select OFF to disable password protection or select On to enable password protection Press to store your new option or to leave the option u...

Страница 47: ...the middle window and then use the up down arrow keys to scroll to the desired data location entry Press to activate the lower window Press and hold for about 5 seconds until the do label is replaced with done and then release the key You will return to the middle window Press to quit the menu NOTES 1 If the CHG menu is not secured by a password fast reset of the Min Max registers maximum demands ...

Страница 48: ...ments selected by the key Energy measurements selected by the key The up down arrow keys are used as follows in the Display Mode Scrolls through the pages downward forward Scrolls through the pages upward backward Returns to the first page within current measurement group When pressed for 5 seconds clears the alarm LED The front panel display is updated approximately twice per second you can adjus...

Страница 49: ...y Auto Return to the Main Screen If display Auto Return option is enabled see Section 4 8 the display will automatically return to the main screen from any other measurement screen after 30 seconds of uninterrupted use Fast Reset of Accumulated Data When changing data via the front panel is not secured by a password you can reset the Min Max registers maximum demands and energies from the display ...

Страница 50: ...nt harmonics readings Selecting Energy Measurements Press the key Use the up down arrow keys to scroll through the different energy readings Fast Reset of Accumulated Data Select a display page where the data you want to reset is displayed To reset Min Max log registers select a Min Max page from the Min Max measurements display where a MAX or MIN round LED is illuminated Ampere and volt maximum d...

Страница 51: ... A 3 3 A3 Current L3 4 A 4 1 kVA Total kVA 4 kVA MVA 4 2 PF Total power factor 4 4 3 kW Total kW 4 kW MW 5 1 A NEUT Neutral current 4 A 5 2 Hz Frequency 4 Hz 5 3 kvar Total kvar 4 kvar Mvar 6 1 Ph L1 Label 6 2 PF Power factor L1 4 6 3 kW kW L1 4 kW MW 7 1 kVA kVA L1 4 kVA MVA 7 2 Ph L1 Label 7 3 kvar kvar L1 4 kvar Mvar 8 1 Ph L2 Label 8 2 PF Power factor L2 4 8 3 kW kW L2 4 kW MW 9 1 kVA kVA L2 4...

Страница 52: ...al time neutral current 4 A 4 2 Hz Min real time frequency 4 Hz 4 3 kvar Min real time total kvar 4 kvar Mvar MAX 5 1 V1 V1 2 Max real time voltage L1 L12 4 V kV 5 2 V2 V2 3 Max real time voltage L2 L23 4 V kV 5 3 V3 V3 1 Max real time voltage L3 L31 4 V kV 6 1 A1 Max real time current L1 4 A 6 2 A2 Max real time current L2 4 A 6 3 A3 Max real time current L3 4 A 7 1 kVA Max real time total kVA 4 ...

Страница 53: ...MONICS 1 1 V1 V1 2 Voltage harmonic H03 L1 L12 4 1 2 V2 V2 3 Voltage harmonic H03 L2 L23 4 1 3 V3 V3 1 03H Voltage harmonic H03 L3 4 20 1 V1 V1 2 Voltage harmonic H39 L1 L12 4 20 2 V2 V2 3 Voltage harmonic H39 L2 L23 4 20 3 V3 V3 1 39H Voltage harmonic H39 L3 4 Individual Odd Current Harmonics H03 H39 HARMONICS 1 1 A1 Current harmonic H03 L1 4 1 2 A2 Current harmonic H03 L2 4 1 3 A3 03H Current ha...

Страница 54: ...e sliding average values When using direct wiring PT Ratio 1 voltages are displayed in 0 1 V units currents in 0 01 A units and powers in 0 001 kW kvar kVA units For wiring via PTs PT Ratio 1 voltages are displayed in 1V units currents in 0 01 A units and powers in 0 001 MW Mvar MVA units When the value width is over the window resolution the right most digits are truncated By default the maximum ...

Страница 55: ...region of the instrument If the instrument continuously resets itself contact your local distributor Table 5 2 Self Test Diagnostic Codes Code Meaning 1 ROM error 2 RAM error 3 Watch dog timer reset 4 Sampling failure 5 Out of control trap 7 Timing failure 8 Normal power up 9 External reset warm restart NOTE The C191HM provides a self check alarm register accessible through communications that ind...

Страница 56: ...ty of status information that you can review by scrolling through display pages The status parameters are designated by the abbreviated labels in the upper and or middle window The upper window flashes indicating that you are in the menu display Fast Reset of Counters When changing data via the front panel is not secured by a password you can reset the counters from the Status Information Menu dis...

Страница 57: ...gits Unit 1 1 PHAS Label 1 2 rOt Label 1 3 Phase rotation sequence POS NEG ERR 4 2 1 rEL Label 2 2 Relay 1 4 status 4 2 3 Relay 5 8 status 4 3 1 St In Label 3 3 Status input 1 4 1 Cnt 1 Label 4 3 Counter 1 5 5 1 Cnt 2 Label 5 3 Counter 2 5 6 1 Cnt 3 Label 6 3 Counter 3 5 7 1 Cnt 4 Label 7 3 Counter 4 5 ...

Страница 58: ...um wire section 2 5 mm 2 12 AWG Optically isolated communication port EIA RS 485 or RS 232 standard factory set Maximum wire section 1 5 mm2 14 AWG Relay outputs 5 relays rated at 5A 250 V AC 5A 30 V DC 0 5A 110 V DC 2 contacts SPST Form A 1 relay rated at 5A 250 V AC 5A 30 V DC 0 5A 110 V DC 3 contacts SPDT Form C 2 relays rated at 3A 250 V AC 3A 30 V DC 0 5A 110 V DC 2 contacts SPST Form A Maxim...

Страница 59: ...rmonized standards to which conformity is declared EN55011 1991 EN50082 1 1992 EN61010 1 1993 A2 1995 Installation Category II Pollution Degree 2 EN50081 2 1994 EMC Generic Emission Standard Industrial Environment EN50082 2 1995 EMC Generic Immunity Standard Industrial Environment EN55022 1994 Class A EN61000 4 2 1995 Electrostatic Discharge EN61000 4 4 1995 Electrical Fast Transient EN61000 4 8 1...

Страница 60: ... 0 1 100 0 A to 9999 A Starting current 0 5 FS Active power 0 36 PT CT 120V input 1 2 PT CT 690V input 0 5 PF 0 5 2 000 000 to 2 000 000 kW Direct wiring PT 1 0 001 kW 0 001kW to 9 999 kW Wiring via PTs PT 1 0 001 MW 0 001MW to 9 999 MW 0 1 10 00 MW to 2000 MW Reactive power 0 36 PT CT 120V input 1 2 PT CT 690V input 0 5 PF 0 9 2 000 000 to 2 000 000 kvar Direct wiring PT 1 0 001 kvar 0 001kvar to...

Страница 61: ...FS U I 10 FSU FSI 0 to 999 9 0 1 Total Demand Distortion TDD I 100 1 5 1 FS I 10 FSI 0 to 100 0 1 Individual harmonic distortion 100 0 4 0 3 harmonic order 0 to 100 0 01 Voltage harmonic angles 360º 0 5º 0 6º harmonic order 180º to 180º N A Current harmonic angles 360º 0 3º 0 3º harmonic order 180º to 180º N A Active energy Import Export according to power accuracy 0 to 99 999 MWh 1 kWh 1 to 99 99...

Страница 62: ...l I 1 current fundamental 10 to 120 of voltage FS and 2 to 120 of current FS Higher resolution is achievable via communications Where the current is 10 FS the energy accuracy is better than 1 5 Rdg 80 to 120 of voltage FS and 10 to 100 of current FS Additional Notes 1 Accuracy is expressed as percentage of reading percentage of full scale 1 digit This does not include inaccuracies introduced by th...

Страница 63: ...Load bar graph 39 M measurement 51 menu 17 19 21 22 23 25 26 27 31 32 33 34 36 37 44 45 46 Modbus ii 16 20 21 mounting 1 7 O open delta 9 20 options 14 overload withstand 48 P panel cut out 7 password 2 17 36 37 39 46 PComTest 19 power i 2 3 4 8 14 20 22 23 31 34 35 37 39 40 41 42 44 45 48 50 51 power demand 2 3 14 20 22 37 power factor 50 power source i 8 power supply 48 PT 9 20 24 25 44 48 50 51...

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