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6. Number of Interruption :

This Screen Displays the total no. of times the Axillary
Supply was Interrupted. Even if the Auxiliary supply is

To reset No of Interruption manually see section
Resetting Parameter 3.2.3.1

interrupted count will be maintained in internal memory.

VYB

VRY

KVAr

Sys

KVA

Min

VBR

Angle

Max

x1000

KVArh

x1000

Ph R

KVAh

Ph Y

P.F.

KWh
Ph B

KAh

%THD

Demand

7. Analog Output ( optional ) :

This module provides two d.c. isolated outputs .There are two output options

1) Two 0 - 1mA outputs , internally powered .
2) Two 4 - 20mA outputs , internally powered .

The 0 -1mA output module has an 0V return on each end of the 4 way connector
( Please refer section 15 for connection details )

On both modules the output signals are present on pins A1(Analog Output 1) &
A2 (Analog Output 2)

These outputs can be individually assigned to represent any one of the measured and
displayed Parameters.

All settlings are user congurable via the user interface screen. See Analog o/p selection
( section 3.2.4.3 & section 3.2.4.4 ) for details .

* Note : Refer diagrams 1 & 2

Содержание RISH Master 3440

Страница 1: ...RISH Master 3440 Operating Manual THD...

Страница 2: ......

Страница 3: ...3 2 1 1 System type 3 2 1 2 Potential transformer Primary value 3 2 1 3 Potential transformer secondary value 3 2 1 4 Current transformer Primary value 3 2 1 5 Current transformer Secondary value 3 2...

Страница 4: ...Hysteresis selection 3 2 4 1 1 2 5 Energizing delay time 3 2 4 1 1 2 6 De energizing delay time 3 2 4 1 2 Relay 2 output selection menu 3 2 4 1 3 1 Parameter setting for Analog Output 1 3 2 4 1 3 2 P...

Страница 5: ...Dimensions and Panel Cut out 11 3 Wiring 11 4 Auxiliary Supply 11 5 Fusing 11 6 Earth Ground Connections 12 Connection Diagrams 14 Connection for Optional Pulse output RS 485 Analog Ethernet Output 10...

Страница 6: ...ite for the following PT Primary PT Secondary CT Primary CT Secondary 5A or1A and 3 phase 3W or 3 Phase 4W system Down Up VRY KVAr Sys V x1000 KVArh IN Ph R KAh VYB A KVA Min x1000 Hz KVAh Ph Y THD An...

Страница 7: ...ve Import Energy 8 Digit resolution kWh kWh Active Export Energy 8 Digit resolution Active Power System Phase 4 wire only Reactive Power System Phase 4 wire only Apparent Power System Phase 4 wire onl...

Страница 8: ...x KW Import Demand Max KW Export Demand Run Hour On Hour Number of Interruptions Phase Reversal Indication 4 wire only KW Amps KVA KW KW KW Hours Hours Counts Measurement Amps Current Demand KVA Deman...

Страница 9: ...ase System Voltage System Current System Active Power Phase Angle Frequency System Power Factor Reactive Power Apparent Power Active Power Active Energy Import Min System Voltage Min System Current Ac...

Страница 10: ...r R Phase Active Power Y Phase Reactive Power Y Phase Apparent Power Y Phase Active Power B Phase Reactive Power B Phase Apparent Power B Phase Active Power Phase Angle R Phase Angle Y Phase Angle B P...

Страница 11: ...d Demand E Energy hi Max Values Lo Min Values hr Run On Hour Intr No of Interrupt Select any one option using down key rL1 rL2 Relay 1 2 PUL Pulse Output Para Selection dur Pulse Duration rAt Pulse Di...

Страница 12: ...000 disables the password protection 3 Programming The following sections comprise step by step procedures for configuring the 3440 for individual user requirements To access the set up screens press...

Страница 13: ...Y P F KWh Ph B KAh THD Demand VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand Enter Password third digit entered prompt for fourt...

Страница 14: ...HD Demand Pressing the Up key will advance to the Menu Password confirmed Pressing Down key will advance to the New change Password entry stage VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVAr...

Страница 15: ...value of the first digit from 0 through to 9 the value will wrap from 9 round to 0 Pressing the Up key to advance the operation to the next digit and sets the first digit in this case to 2 VYB VRY KVA...

Страница 16: ...le Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand New Password confirmed Pressing the Down key will return to the New Change Password Pressing the Up key will advances to...

Страница 17: ...set the different parameters Pressing the Up key allows the user to Reset different Pressing the down key will advance to Output system parameters see section 3 2 3 1 Option selection screen see secti...

Страница 18: ...in KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand This screen is used to set the system type System type 3 for 3 phase 3 wire 4 for 3 phase 4 wire system typ...

Страница 19: ...ary Value edit menu See Section 3 2 1 3 Pressing the Down key will enter the Potential Transformer Primary Value Edit mode Initially the multiplier must be selected pressing the Down key will move the...

Страница 20: ...YB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand The PT Primary value can be set from 100V L L to 692 8 kV L L Note the flashing de...

Страница 21: ...from the Transformer when the potential transformer PT primary is supplied with the voltage defined in 3 2 1 2 potential transformer primary voltage The ratio of full scale primary to full scale seco...

Страница 22: ...Up key accepts the present value and advances to the Current Transformer Secondary Value See Section 3 2 1 5 Potential Transformer Secondary Value Confirmation This screen will only appear following...

Страница 23: ...set pressing the Up key will advance to the Current Transformer Primary Value Confirmation stage The minimum value allowed is 1 the value will be forced to 1 if the display contains zero of Current i...

Страница 24: ...rh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand CT Secondary value confirmation This screen will only appears following an edit of CT secondary value If secondary value shown is not co...

Страница 25: ...Ah Ph Y P F KWh Ph B KAh THD Demand 3 2 1 7 Auto Scrolling Pressing Up key accepts the present status and advance to the Low Current noise cutoff See Section 3 2 1 8 This screen allows user to enable...

Страница 26: ...h R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand Low current noise cutoff Confirmation Pressing Up key set displayed value and Advance to the Energy Display on Modbus selection See section 3 2 1 9 pressin...

Страница 27: ...reset count menu See section 3 2 1 10 Energy Display On Modbus Confirmation This screen will only appear following an edit of the Energy Display On Modbus VRY KVAr Sys V KW VBR Angle Max x1000 KVArh...

Страница 28: ...ets the displayed value and will jump back to the system parameter selection See Section 3 2 1 Pressing Up key will advance to Energy digit reset count confirmation screen Pressing the Down key will r...

Страница 29: ...47 VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R...

Страница 30: ...will select the value and advances to the Parity Selection See Section 3 2 2 3 Baud Rate Edit mode VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph...

Страница 31: ...ces to Reset Parameter selection screen see section 3 2 3 3 2 3 1 Resetting Parameter The following screens allow the users to reset the all Energy Lo Min hi Max Demand Run hour On hour No of Interrup...

Страница 32: ...user has scrolled through to the d Pressing Up key will select the value and advance to the Reset d Confirmation Mode resets all Demand parameters VYB VRY Sys V A KVA Min KW VBR Angle Max x1000 KVArh...

Страница 33: ...ode Reset option select Reset Hi The user has scrolled through to the Hi Max Pressing Up key will select the value and advance to the Reset Hi Confirmation Mode VYB VRY KVAr Sys V A KVA Min KW VBR Ang...

Страница 34: ...Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KA...

Страница 35: ...gle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh Demand Max...

Страница 36: ...BR Angle P F KWh Max Ph B Max Demand V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y THD KW x1000 VBR Angle P F KWh Max Ph B Demand pressing the Down key will advance to Analog...

Страница 37: ...KVAh Ph Y P F KWh Ph B KAh THD Demand V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y Demand KW x1000 VBR Angle P F KWh Max Ph B Max Demand V x1000 VRY KVAr KVArh IN Sys Ph R K...

Страница 38: ...Energy A H Ampere Hour VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh...

Страница 39: ...Ah Ph Y P F KWh Ph B KAh THD Demand VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand Pressing Up key set displayed value and Pulse...

Страница 40: ...YB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand See section 3 2 4 1 Pulse Rate Divisor Confirmation This screen will only appear f...

Страница 41: ...h Y Demand KW x1000 VBR Angle P F KWh Max Ph B Max Demand V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y THD KW x1000 VBR Angle P F KWh Max Ph B Demand Pressing the Down key w...

Страница 42: ...lowing the edit of system type If system type is to be changed again pressing the Down key will return to the Limit1 configuration Type edit stage by blanking the bottom line Pressing the Up key sets...

Страница 43: ...ntered prompt for third digit Denotes that decimal point will be flashing Use the Down key to scroll the value of the third digit V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph...

Страница 44: ...VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y Demand KW x1000 VBR Angle P F KWh Max Ph B Max Demand V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y THD KW x1...

Страница 45: ...Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y Demand KW x1000 VBR Angle P F KWh Max Ph B Max Demand V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y THD KW x1000 VBR Angle P F K...

Страница 46: ...F KWh Max Ph B Max Demand V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000 VYB KVA Hz KVAh Min Ph Y Demand KW x1000 VBR Angle P F KWh Max Ph B Max Demand V x1000 VRY KVAr KVArh IN Sys Ph R KAh A x1000...

Страница 47: ...ce to the Analog output 2 selection see section 3 2 4 1 3 2 Pressing the Down key will enter the Analog output 1 Edit mode and scroll the values as per Table 2 Parameter for Analog Limit output Pressi...

Страница 48: ...2 Parameter for Analog output Pressing the Up key advance to the Analog output 2 confirmation screen VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh...

Страница 49: ...gle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh THD Demand 5 On Hour VYB VRY KVAr Sys V A KVA Min KW VBR Angle Max x1000 KVArh x1000 x1000 IN Ph R Hz KVAh Ph Y P F KWh Ph B KAh T...

Страница 50: ...provides two d c isolated outputs There are two output options 1 Two 0 1mA outputs internally powered 2 Two 4 20mA outputs internally powered The 0 1mA output module has an 0V return on each end of t...

Страница 51: ...Diagram 1 4 20 mA 0 0 12 mA 0 181 4 mA 0 180 20 mA 0 90 16 mA 0 270 8 mA Diagram 2 0 1 mA 0 0 0 5 mA 0 181 0 mA 0 180 1 mA 0 90 0 75 mA 0 270 0 25 mA 49...

Страница 52: ...120 0 0 181 0 180 0 0 181 0 180 0 0 181 0 180 0 0 181 0 180 0 0 181 0 180 0 0 181 0 180 22 VOLTAGE AVG 24 CURRENT AVG 0 100 0 100 10 120 10 120 10 120 10 120 10 120 10 120 10 120 10 120 10 120 10 120...

Страница 53: ...AX DEMAND 101 INPUT VOLTAGE L12 102 INPUT VOLTAGE L23 103 INPUT VOLTAGE L31 113 NEUTRAL CURRENT 0 100 0 100 0 100 0 100 0 120 0 120 0 100 0 100 10 120 10 120 10 120 10 120 10 120 10 120 10 120 10 120...

Страница 54: ...0MWh Up to 3600W Up to 3600W Up to 3600W Up to 3600W Up to 3600kW Up to 3600kW Up to 3600kW Up to 3600kW Above 3600kW Above 3600kW Above 3600kW Above 3600kW TABLE 3 Energy Pulse Rate Divisor 1 For Ene...

Страница 55: ...one of the four mode given below 1 Hi alarm Relay Energized Relay 2 Hi alarm De Energized Relay 3 Lo alarm Energized Relay 4 Lo alarm De Energized Relay Limit switch has user selectable Trip point Hy...

Страница 56: ...larm Energized or Hi alarm De energized is selected then relay will get De energized or Energized respectively if set parameter value is less than Hysteresis Similarly if Lo alarm Energized or Lo alar...

Страница 57: ...le and be at bothends of the line The cable should be terminated at each end with a 120 ohm 1 4 Watt min resistor RS 485 network supports maximum length of 1 2km Including the Master a maximum of 32 i...

Страница 58: ...2 bits if no parity Byte format Communication Baud Rate is user selectable from the front panel between 2400 4800 9600 19200 bps Exception Cases An exception code will be generated when the receives...

Страница 59: ...Example To read parameter Volts 3 Start address 04 Hex Number of registers 02 Note Number of registers Number of parameters x 2 Each Query for reading the data must be restricted to 20 parameters or...

Страница 60: ...High Byte Most signi cant 8 bits of Data register 1 of the parameter requested Data register 1 Low Byte Least signi cant 8 bits of Data register 1 of the parameter requested Data register 2 High Byte...

Страница 61: ...021 11 VA3 VAR1 VAR2 VAR3 PF1 PF2 PF3 Phase Angle 1 Phase Angle 2 Phase Angle 3 Volts Ave Volts Sum Current Ave Current Sum Watts Ave Watts Sum VAAve VA Sum VAr Ave VAr Sum PF Ave Parameter W2 W3 VA1...

Страница 62: ...nd Import W Max Demand Import W Demand Export W Max Demand Export Ah 00 46 00 48 00 4A 00 4C 00 4E 00 50 Modbus Start Address Hex High Byte Low Byte 00 00 00 00 00 00 00 00 64 66 68 6A 54 56 5A 58 00...

Страница 63: ...00 00 00 CA CC CE D0 D2 D4 D6 D8 DA 30143 60 Current Ave Min 00 8E 30201 VL 1 2 Calculated 00 C8 30147 30149 30151 30153 30197 30199 62 63 64 65 66 67 00 00 C4 C6 30145 00 90 61 Wh Import Model Number...

Страница 64: ...Registers Hi Number of Registers Lo CRC Low CRC High 01 Hex 03 Hex 00 Hex 0A Hex 00 Hex 02 Hex E4 Hex 09 Hex Each setting is held in the 4X registers ModBus code 03 is used to read the current settin...

Страница 65: ...r requested Note Two consecutive 16 bit register represent one parameter Data register 2 Low Byte Least signi cant 8 bits of Data register 2 of the parameter requested Example Writing System type Syst...

Страница 66: ...er 1 Low Byte Least signi cant 8 bits of Data register 1 of the parameter requested Data register 2 High Byte Most signi cant 8 bits of Data register 2 of the parameter requested Note Two consecutive...

Страница 67: ...Modbus Start Address Hex High Byte Low Byte 40007 4 Sys Voltage 00 06 Read Write R 40009 5 Sys Current 00 08 R 6 Sys Type 00 0A 40011 R Wp 00 0C 40019 7 Pulse Width R Wp 00 40015 8 RS 485 Set up Code...

Страница 68: ...55 28 Limit1 delay On R Wp 00 38 40057 29 Limit1 delay Off R Wp 00 3A 40059 30 Relay2 output select R Wp 00 3C 40061 31 R Wp 00 3E 40063 32 Limit2 Trip point R Wp 00 40 40065 33 Hysteresis Limit2 R Wp...

Страница 69: ...Count Varh Import Start Count Varh Export Start Count Vah Start Count Ampere Hour Start Count Wh Import Over ow Start Count Wh Export Over ow Start Count Varh Import Over ow Start R Wp R Wp R Wp R Wp...

Страница 70: ...of the following value to this address 1 1 Phase 2 Wire Read only for 1P2W 2 3 Phase 3 Wire 3 3 Phase 4 Wire Writing any other value will return error 40011 System Type 40013 Pulse Width of Relay Thi...

Страница 71: ...Min parameters Writing any other value will return an error 40027 Max Reset This address is used to reset the Max parameters value Write Zero value to this register to reset the Max parameters Writing...

Страница 72: ...volving oating point numbers This address allows the user to set CT Primary value The maximum settable value is 9999 also depends on the per phase 666 6MVA Restriction of power combined with PT primar...

Страница 73: ...e option is selected then refer table 7 This address is used to set the trip point in Any value between 10 to 100 for Lo alarm 10 to120 for Hi alarm can be written to this address Writing any other va...

Страница 74: ...Writing any other value will return an error This address is used to set the hysteresis between 0 5 to 50 Writting any other value will return an error 40065 40067 This address is used to set the Ene...

Страница 75: ...This address is used to set the Con guration for relay 1 see table 8 Writting any other value will return an error This address is used to activate or de activate the 30 mA noise current elimination w...

Страница 76: ...eeds to check register 40005 i e Energy on RS485 and register 40036 i e Energy digit reset count Valid range is 0 9999999 For E g if Energy on RS485 is in K and Energy digit reset count is 7 the start...

Страница 77: ...ODD 9600 4800 4800 NONE NONE 4800 4800 2400 2400 2400 2400 NONE NONE ODD EVEN ODD EVEN 02 01 01 01 02 01 01 01 01 11 04 05 06 07 00 01 02 03 NOTE Codes not listed in the table above may give rise to...

Страница 78: ...est by re mapping them to adjacent address in the user assignable registers area The actual address of the parameters 3X registers addresses which are to be assessed via address 0x200 to 0x226 are spe...

Страница 79: ...ignable Reg 9 Address Register Parameter Number Assignable Register High Byte Low Byte 30531 266 12 02 Assignable Reg 10 Table 10 User Assignable mapping register 4X registers 40514 258 Mapped Add for...

Страница 80: ...gister 0x021C 40528 272 Mapped Add for register 0x021E 40529 273 Mapped Add for register 0x0220 40530 274 Mapped Add for register 0x0222 40531 275 Mapped Add for register 0x0224 40532 276 Mapped Add f...

Страница 81: ...User Assignable Registers In assigning query Voltage2 and Power Factor1 parameters were assigned to 0x 200 and 0x201 Table10 which will point to user assignable 3xregisters 0x200 and 0x202 table9 So...

Страница 82: ...assignable register Number of register Hi Most signi cant 8 bits of Number of registers requested Number of register Lo Least signi cant 8 bits of Number of registers requested Note Two consecutive 1...

Страница 83: ...16 bit 0x203 16 bit 0x202 16 bit 0x204 16 bit 0x205 16 bit 0x206 16 bit 0x207 16 bit 0x224 16 bit 0x225 16 bit 0x226 16 bit 0x227 16 bit 0x200 0x202 0x204 0x206 0x224 0x226 0x200 0x201 0x202 0x203 0x...

Страница 84: ...s are mapped data can be acquired by using User assignable data register Starting address i e to access data of Voltage2 Power factor1 Wh import Frequency send query with starting address 0x200 with n...

Страница 85: ...Mounting is by four side clamps slide the side clamps through side slot till side clamp gets rmly locked in a groove Refer g Consideration should be given to the space required behind the instrument t...

Страница 86: ...must be installed by a quali ed engineer abiding by any local regulations 2 Voltages dangerous to human life are present at some of the terminal connections of this unit Ensure that all supplies are d...

Страница 87: ...restore correct operation The Current inputs of these products are designed for connection in to systems via Current Transformers only where one side is grounded 11 2 Case Dimension and Panel Cut Out...

Страница 88: ...owered from a dedicated supply however it may be powered instrument from the signal source provided the source remains within the limits of the chosen auxiliary voltage 11 5 Fusing It is recommended t...

Страница 89: ...SE 4 WIRE UNBALANCED LOAD DIGITAL METERING SYSTEM 2 5 8 11 1 3 4 6 7 9 13 14 L N AUX SUPPLY P1 S1 S1 P1 P1 S1 L1 L2 L3 N L O A D SINGLE PHASE DIGITAL METERING SYSTEM P1 S1 L N AUX SUPPLY L N L O A D 2...

Страница 90: ...per phase Max short duration current input 20 x Rated Value 1s application repeated 5 times at 5 min intervals Auxiliary Standard nominal Auxillary supply voltages Frequency a c supply frequency rang...

Страница 91: ...ange 0 5 of range Active Power 0 5 of range Re Active Power 0 5 of range Apparent Power Apparant Energy 1 0 of range Accuracy 1 Re Active Energy 1 0 of range Angle 1 of range Analog Output 1 of Output...

Страница 92: ...Power Factor 1 of Unity Angle 1 of range Analog Output 1 of Output end value Total Harmonic Distortion 1 0 5 of range Neutral Current 4 of range Sinusoidal distortion factor 0 005 Input waveform Rate...

Страница 93: ...ed Value Rated Value 10 0 0 to 50 C Voltage Current Input frequency Temperature Auxiliary supply voltage Auxiliary supply frequency Rated Value 10 Rated Value 10 Temperature Coef cient 0 0 025 C for V...

Страница 94: ...and test between circuits and accessible surfaces Environmental 0 10 to 55 C 0 20 to 65 C 0 90 RH 3 minute minimum 15g in 3 planes 10 55 Hz 0 15mm amplitude IP 54 as per IEC 60529 Operating temperatur...

Страница 95: ...ove 3600 kW 100 1 per 1000Wh up to 3600W 1 per 1000kWh up to 3600kW 1 per 1000MWh above 3600 kW 1000 60ms 100ms or 200ms Pulse Duration Note Above conditions are also applicable for Reactive Apparent...

Страница 96: ...tput Ethernet rear view of the instrument 1 RS 485 Output One Pulse One Limit Two Analog Output A1 A2 Gnd 0 1mA N O N C COM Relay 2 B A Gnd RS 485 Gnd 2 Two Pulse Two Limit RS 485 Output N O N C COM R...

Страница 97: ...se only by installers trained to make electrical power installations and is intended to describe the correct method It is the user s responsibility to determine the suitability of the installation met...

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