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The Mk7A Meter 4-1

C h a p t e r

ter 4

The Mk7A Meter

This chapter covers the basic installation and physical features of the Mk7A meter.

Dimensions and Mounting

Figure 4-1 shows the overall dimensions of the meter with a standard terminal cover.

Height

Depth

Width

•

Figure 4-1 Overall dimensions of the meter

Height = 233 mm, Depth = 85 mm, Width = 128 mm

Содержание Atlas Mk10

Страница 1: ...Meters Mk10 Mk7 Hardware Reference Manual Revision M Release Date 2nd September 2009 1910 E 02 EDMI Pty Ltd 162 South Pine Rd Brendale Qld 4500 Australia EDMI Limited Level 3 No 47 Yishun Industrial Park A Singapore 768724 ...

Страница 3: ...onfig Jumper 2 13 Connections in Detail 2 14 Current and Voltage 2 14 Mk10 Serial Port Configurations 2 15 Mk10A Serial Port Configurations 2 17 FLAG Port 2 19 ANSI Port 2 19 Inputs 2 20 Outputs 2 20 Battery 2 20 UPS Battery 2 21 LCD Select Button 2 22 Billing Reset Button 2 22 Servicing 2 22 Chapter 3 The Mk10D Meter 3 1 Dimensions and Mounting 3 1 External Features 3 3 Under the Terminal Cover 3...

Страница 4: ...Outputs 4 12 Battery 4 12 LCD Select Button 4 13 Reconnect Boost or Billing Reset Button 4 14 Servicing 4 15 Chapter 5 The Mk7C Meter 5 1 Dimensions and Mounting 5 1 Hanging Extension 5 4 External Features 5 5 Under the Terminal Cover 5 6 Finger Guard 5 9 Terminal Cover Tamper Detect 5 10 Inside the Meter 5 10 CT to VT Links 5 10 Config Jumper 5 10 Connections in Detail 5 11 Current and Voltage 5 ...

Страница 5: ... Voltage 6 9 Serial Port Configurations 6 11 RS 232 6 12 RS 485 6 13 FLAG Port 6 13 ANSI Port 6 13 Inputs 6 14 Outputs 6 14 Battery 6 14 Super Cap 6 15 LCD Select Button 6 15 Reconnect Boost Billing Reset Button 6 16 Servicing 6 16 Chapter 7 LCD Display 7 1 LCD Variations 7 1 LCD Select Button Usage 7 3 Display Sets 7 4 Default Display 7 4 Display Organisation 7 4 Appendix A System Specifications ...

Страница 6: ...S 4 10 TABLE 4 4 RS 232 CONNECTIONS 4 11 TABLE 5 1 METER OPTIONS 5 6 TABLE 5 2 TERMINAL BLOCK CONNECTIONS COMMON 5 7 TABLE 5 3 TERMINAL BLOCK CONNECTIONS PASSIVE 5 8 TABLE 5 4 TERMINAL BLOCK CONNECTIONS ACTIVE WITHOUT RELAY 5 8 TABLE 5 5 TERMINAL BLOCK CONNECTIONS ACTIVE WITH RELAY 5 8 TABLE 5 6 TERMINAL BLOCK CONNECTIONS PLCNO RELAY 5 9 TABLE 5 7 TERMINAL BLOCK CONNECTIONS PLCWITH RELAY 5 9 TABLE...

Страница 7: ...KS DISCONNECTED BY SLIDING SHIMS 3 7 FIGURE 3 10 METER WITH THE CTTO VTLINKS DISCONNECTED BY REMOVING SCREWS 3 7 FIGURE 3 11 LOCATION OF THE CTTO VTLINKS 3 8 FIGURE 3 12 METER WITH THE CTTO VTLINKS DISCONNECTED BY REMOVING SCREWS 3 8 FIGURE 3 13 LOCATION OF THE CONFIG JUMPER 3 8 FIGURE 3 14 CONNECTIONS FOR 3 ELEMENT WHOLE CURRENT 3 9 FIGURE 3 15 TB1 CTAND VTCONNECTIONS FOR 3 ELEMENT TESTING 3 9 FI...

Страница 8: ...PACING 6 6 FIGURE 6 7 THE TERMINAL COVER TAMPER DETECT BUTTON 6 6 FIGURE 6 8 LOCATION OF THE CTTO VTLINKS 6 7 FIGURE 6 9 METER WITH THE CTTO VTLINKS DISCONNECTED BY SLIDING SHIMS 6 7 FIGURE 6 10 METER WITH THE CTTO VTLINKS DISCONNECTED BY REMOVING SCREWS 6 7 FIGURE 6 11 LOCATION OF THE CTTO VTLINKS 6 8 FIGURE 6 12 METER WITH THE CTTO VTLINKS DISCONNECTED BY REMOVING SCREWS 6 8 FIGURE 6 13 LOCATION...

Страница 9: ...and as time of use data The meter can also measure a wide variety of instantaneous quantities The configuration is extremely flexible For information on configuring the meter and using it with the EziView software see the Atlas Software Reference Manual 1910 E 07 Using this Manual Each chapter covers a specific meter type While all Atlas meters share a common set of functionality the different met...

Страница 10: ...or more information The best source of information should generally be this manual The table of contents has been organised to make finding information as easy as possible If you are still having problems though EDMI support may be contacted via email at support edmi meters com The EDMI web site is located at http www edmi meters com The online help of EziView also has a wealth of information and ...

Страница 11: ...pply Special I O and MK10A variants Dimensions and Mounting Figure 2 1 shows the overall dimensions of the meter with a standard terminal cover The height excludes the buttons and the ANSI fitting if present Height Width Depth Figure 2 1 Overall dimensions of the meter Height 210 mm Depth 74 mm Width 166 mm Height is 240 mm with an extended terminal cover such as used to house a modem 1 ...

Страница 12: ...gure 2 2 Mounting points standard terminal cover Note that the dimension R4 75 is of the standoff not of the hole The lower mounting holes are oblong rather than round to allow some adjustment in the meter position The 76 18 mm dimension is to the centre of this hole All dimensions are in mm 2 2 EDMI Atlas Hardware Reference Manual ...

Страница 13: ... no larger than 5mm in diameter with a screw head no smaller than 8mm in diameter In general 1 Screw the first top screw into the wall Leave enough space between the head and the wall for the plastic around the keyhole 2 Hang the meter on the screw using the keyhole in the back of the meter 3 Insert the remaining two screws meter base under the terminal cover to hold the meter securely The Mk10 Me...

Страница 14: ...ct button for cycling the display bottom push button A sealable Billing Reset button optional to initiate a manual billing reset top push button Four pulsing LEDs for energy indication PO1 PO4 which overlap the first 4 outputs The special I O variant has 2 LED s PO1 PO2 the UPS variant has 1 LED PO1 in these variants the LED s are independent of the outputs A FLAG or ANSI port for local connection...

Страница 15: ...The sealable screws have 2 15mm diameter holes to accommodate standard sealing wire Under the Terminal Cover Most of the connections to the meter occur under the terminal cover Figure 2 5 shows the terminals available on a standard I O variant 2 input 4 output RS 232 CT connected meter Figure 2 5 Under the terminal cover of the meter Diagrammatically this is shown in Figure 2 6 with the terminal b...

Страница 16: ... up to 240V 100mA AC or DC Inputs are AC or DC in a range of voltage options An active input option is not offered on this variant All I O s are isolated from each other to 2kV except for active inputs which share a supply with the modem port All I O are isolated from the line neutral and TB1 by 4kV Special I O Variant This variant separates the LED s from the I O and provides more I O type option...

Страница 17: ... have the option of a 2A 240V relay TB4 and TB5 should not be considered as isolated from each other 1mm creepage between them Isolation of TB1 to TB3 TB3 to TB4 and TB5 to TB6 is 4kV unless active inputs are fitted in which case there is no isolation between TB1 and the active inputs All I O are isolated from the line neutral by 4kV Mk10A Variant This variant has similar I O options to the specia...

Страница 18: ...elay TB5 and TB6 should not be considered as isolated from each other 1mm creepage between them Isolation of TB1 to TB3 TB3 to TB5 and TB6 to TB8 is 4kV unless active inputs are fitted in which case there is no isolation between TB1 and the active inputs All I O are isolated from the line neutral by 4kV UPS Variant The UPS variant offers UPS backup and separates the LED from the I O Only Active in...

Страница 19: ...block connections All 3 inputs are active Thus there is no isolation between TB1 TB3 TB4 and TB5 All inputs and TB1 are isolated from the line neutral by 4kV Note in some revisions of the PCB show indications opposite to the actual board The right hand terminal of each pair is the ground connection Terminal Spacing Figure 2 10 gives the terminal spacing of TB2 Figure 2 10 TB2 terminal spacings The...

Страница 20: ...d The terminal spacing and locations are unchanged Figure 2 11 shows the new layout Figure 2 11 New style terminal block of the meter Finger Guard An optional finger guard may be fitted over the TB2 terminal screws in meters fitted with the new style terminal block This can help prevent accidental contact with the supply voltage as well as allowing these connections to be sealed Figure 2 12 The fi...

Страница 21: ...ld be taken to prevent electrostatic damage to the circuitry of the meter CT to VT Links Whole current meters have CT to VT links between TB2 terminals 1 and 2 4 and 5 8 and 9 12 and 13 designated number as shown in Figure 2 5 These links may need to be removed to allow testing on some types of test bench The old terminal block design and the new design have different methods of connecting the lin...

Страница 22: ...esign the links are located in the terminal block area near the current screws Figure 2 15 shows the location of the link screws with the phase A link highlighted There is no link for the neutral that link is made internally in a similar fashion to the old style terminal block and should not need to be removed Figure 2 15 Location of the CT to VT links To break the link the screws should be remove...

Страница 23: ...ion and recovery of lost passwords The jumper is located under the meter lid half way up the far left side of the circuit board Figure 2 17 A jumper is fitted across the bottom set of pins marked Config The top set of pins marked FTest are for factory use only In the Mk10A the jumper is located above the LCD screen towards the right hand side Figure 2 17 Location of the Config jumper The Mk10 Mete...

Страница 24: ...e 4 wire the maximum line to neutral voltage is 290V and the maximum line to line voltage is 500V At any higher voltage the meter may not operate correctly and damage may occur Ia Ia Ib Ib Ic Ic Phase A Phase B Phase C Neutral Figure 2 19 Connections for 3 element whole current Figure 2 19 shows the connections for a whole current meter The neutral connection must be made even if it is not connect...

Страница 25: ...S232D RJ45 From Meter RS232C DB9 To Modem RS232C DB9 To PC Null Description Full Name TB1 1 1 9 9 Power Out 5V 140mA output TB1 2 1 4 CD Carrier Detect to meter Not available Mk10A TB1 3 4 1 DTR Data Terminal Ready from meter Optional on Mk10A TB1 4 5 5 GND Ground TB1 5 2 3 RX Receive Data to meter TB1 6 3 2 TX Transmit Data from meter TB1 7 TB1 8 Table 2 7 Mk10 RS 232 connections 1 On Mk10 type 1...

Страница 26: ...lock located under the meter lid just behind TB1 Pin 1 is on the right hand side near the PL8 label This supply is not sufficient to supply a GSM modem To operate the meter in two wire mode simply wire TX to RX and TX to RX This can also be achieved inside the meter Fit a jumper between pins 1 and 2 of PL8 and between pins 3 and 4 of PL8 PL8 is a 9 way jumper block located under the meter lid just...

Страница 27: ...w Terminal TB1 with modem power RS232 port and a 2 wire RS485 port on a 3 way terminal block T SCADA RS485 4 wire 2x RJ45 TB9 TB1 with modem power Basic 4 wire 485 operation two identical RJ45 s to allow easy daisy chaining U Modem RS232 RJ45 TB1 SCADA RS485 2 wire RJ45 TB1 pins 7 8 with modem power RS232 port with a 2 wire RS485 port on the same RJ45 connector V Modem RS232 RJ45 TB1 SCADA RS485 2...

Страница 28: ...R L A U D corresponds with a Mk10A Type 7 port There is only one RJ45 TB1 it is a dual connector 2 serial ports on the one connector power is supplied and both ports are RS232 the top port is the Modem port the bottom is the SCADA port Table 2 10 and Table 2 11 show the Mk10A connections for TB1 for each configuration type and Table 2 12 shows the connections for TB9 where fitted The symbols are e...

Страница 29: ...2 wire RS485 Transmit Receive B Blank No Connection Table 2 13 Symbol Descriptions See Figure 2 8 for the location of the RJ45 connector It is designated as TB1 FLAG Port The meter can have either a Flag Port or an ANSI Port Use a standard FLAG IEC1107 physical standard read head to connect the meter to a PC Note that it has occasionally been found that some FLAG heads need to be rotated 180 degre...

Страница 30: ...re several types of outputs available All outputs are isolated from all other circuits including other I O See Table 2 1 Table 2 2 and Table 2 4 for details of isolation and connections The SØ outputs are designed to switch up to 24VDC and 24mA The relay outputs are rated to 2A 240VAC with an inductive load or 5A 240VAC for the high current version These outputs should not be used as pulsing outpu...

Страница 31: ...uctors during a battery change is minimal care must be exercised UPS Battery This battery is fitted to the UPS variant to supply the meter and modem in case of power outage It is separate to the normal battery used to run the clock during loss of power and which allows the LCD to be woken up The UPS battery is a rechargeable 500mAh Ni MH battery It is a custom battery replacements are available fr...

Страница 32: ...gured using EziView The backlight does not operate when running on the UPS battery Figure 2 20 Mk10 LCD with all segments turned on To progress to the next page press the Select button Each time the button is pressed the display moves to the next page The display may also be setup to automatically cycle the display through the pages pausing if the Select button is pressed For more detailed informa...

Страница 33: ...s and Mounting Figure 3 1 shows the overall dimensions of the meter with a standard terminal cover The height excludes the buttons and the ANSI fitting if present Width Depth Height Figure 3 1 Overall dimensions of the meter Height 262 mm Depth 95 mm Width 175 mm Height is 290 mm with an extended terminal cover Figure 3 2 is a view from the back of the meter ...

Страница 34: ...ounted using three screws In general 1 Screw the first top screw into the wall Leave enough space between the head and the wall for the plastic around the keyhole 2 Hang the meter on the screw using the keyhole in the back of the meter 3 Insert the remaining two screws meter base under the terminal cover to hold the meter securely 3 2 EDMI Atlas Hardware Reference Manual ...

Страница 35: ...ay bottom push button A sealable Billing Reset or Reconnect button optional to initiate a manual billing reset top push button Two pulsing LEDs for energy indication PO1 and PO2 A FLAG or ANSI port for local connection Beneath the terminal cover accessible by removing the two sealable screws on the top of the terminal cover is the terminal block for voltage and current connectors for the pulsing i...

Страница 36: ... Cover Most of the connections to the meter occur under the terminal cover Figure 3 4 shows the terminals available on a 4 I O RS 232 meter Figure 3 4 Under the terminal cover of the meter Diagrammatically this is shown in Figure 3 5 with the terminal block numbering 3 4 EDMI Atlas Hardware Reference Manual ...

Страница 37: ...Description TB1 Voltage and current inputs TB2 Input PI3 or Output PO3 TB3 Input PI4 or Output PO4 TB4 Input PI5 or Output PO5 TB5 Input PI6 or Output PO6 TB9 Second RJ45 connector for some communication options TB10 RJ45 connector which is hardware configured to either RS485 or RS232 or a 5 way terminal block for RS485 Table 3 1 Terminal block connections The Mk10D Meter 3 5 ...

Страница 38: ...d an optional sealable finger guard The terminal spacing and locations are unchanged Terminal Cover Tamper Detect The meter has an optional switch that can detect the opening of the terminal cover It is located above and to the left of the terminals See Figure 3 7 The meter can generate an EFA alarm and an event in the log when the switch is released by someone opening the terminal cover Figure 3 ...

Страница 39: ...itry of the meter CT to VT Links Whole current meters have CT to VT links between TB1 terminals 1 and 2 4 and 5 8 and 9 12 and 13 There is also a fixed link between 12 and 14 These links may need to be removed to allow testing on some types of test bench There are two options for removing them The first option has external VT to CT link connections Figure 3 8 shows the location of the links just a...

Страница 40: ...s the meter with the screws removed Figure 3 12 Meter with the CT to VT links disconnected by removing screws Config Jumper The Config jumper offers a level of hardware security to the meter the jumper needs to be fitted to allow calibration and recovery of lost passwords The jumper is located under the meter lid half way along the top of the meter above the LCD Figure 3 13 A jumper is fitted acro...

Страница 41: ...der the main meter cover discussed earlier in this chapter The nominal voltage input range is 220 240 VAC The absolute limits are 180VAC to 290VAC The current range depends on the current range of the meter and should be limited to Imax at present normally 100A In 3 element mode 4 wire the maximum line to neutral voltage is 290V and the maximum line to line voltage is 500V At any higher voltage th...

Страница 42: ...45 and Modem power supply SCADA port on 2nd RJ45 Pin 5 6 H RS485 4 wire with 2xRJ45 SCADA Port on 1st RJ45 Pin 1 2 I RS485 4 wire with 2xRJ45 and Modem power supply SCADA port on 1st RJ45 Pin 1 2 J RS485 2 wire with RJ45 SCADA Port on Pin 1 2 K RS485 2 wire with RJ45 and Modem power supply SCADA port on Pin 1 and 2 L RS485 2 wire with RJ45 SCADA Port on 2nd RJ45 Pin 5 6 M RS485 2 wire with RJ45 an...

Страница 43: ... 4 1 DTR Data Terminal Ready from meter TB10 4 5 5 GND Ground TB10 5 2 3 RX Receive Data to meter TB10 6 3 2 TX Transmit Data from meter TB10 7 RX2 Receive Data SCADA port TB10 8 TX2 Transmit Data SCADA port Table 3 3 RS 232 connections TB10 1 is connected to a 7V power source from the meter which is designed to power an external GSM modem Other options are also available contact EDMI for more det...

Страница 44: ...t the 5 pin terminal block has a different pinout to the EDMI mk6 and mk3 meter RS485 ports See Figure 3 4 and Figure 3 5 for the location of the connector The 5 way terminal block is fitted in the same place instead of the RJ45 shown RX2 and TX2 are only present if the port is a dual RS485 RS232 port and in this case RX2 and TX2 are RS232 signals One fitment option is two RJ45 s wired in parallel...

Страница 45: ...rom the serial port and are thus not isolated from the serial port or from each other In this case simply shorting between the input terminals will cause the input to trigger The maximum external impedance is 500 ohms Note that power is drawn from the isolated serial port supply and will the inputs will not work while the serial port is powered down to cycle power to a modem Outputs There are seve...

Страница 46: ...y description Figure 3 16 It has arrows to indicate import and export for active and reactive energies indicators for phase voltage indicators for display sets A and B battery indicator connection type indicator for connection through local or remote port and units and multipliers Figure 3 16 LCD with all segments turned on The LCD does not have a backlight 2 description digits and 1 enunciator ar...

Страница 47: ... the same time will cause the contactor to be disconnected The message Disconnect will be displayed on the LCD The Reconnect button can also cause a boost operation for load control outputs depending on configuration Note that the relay may not change state immediately If another operation has just been performed it may take 60 seconds to perform the requested operation EziView can configure what ...

Страница 48: ...3 16 Intentionally Left Blank 3 16 EDMI Atlas Hardware Reference Manual ...

Страница 49: ...covers the basic installation and physical features of the Mk7A meter Dimensions and Mounting Figure 4 1 shows the overall dimensions of the meter with a standard terminal cover Height Depth Width Figure 4 1 Overall dimensions of the meter Height 233 mm Depth 85 mm Width 128 mm ...

Страница 50: ...4 2 Figure 4 2 below gives more detailed dimensions for the meter Figure 4 2 Dimensions 4 2 EDMI Atlas Hardware Reference Manual ...

Страница 51: ...The meter is mounted using three screws as shown in Figure 4 3 In general 1 Screw the first top screw into the wall Leave enough space between the head and the wall for the plastic around the keyhole 2 Hang the meter on the screw using the keyhole in the back of the meter 3 Insert the remaining two screws meter base under the terminal cover to hold the meter securely The Mk7A Meter 4 3 ...

Страница 52: ...major parts visible in Figure 4 4 include The LCD display A Select button for cycling the display push button just above the optical port Two pulsing LEDs for energy indication PO3 and PO4 A FLAG or ANSI port for local connection There is space for an optional Connect Boost or Billing Reset button above the select button See page 4 14 4 4 EDMI Atlas Hardware Reference Manual ...

Страница 53: ...5 interface and the optional external battery The sealable screws have 2 15mm diameter holes to accommodate standard sealing wire Under the Terminal Cover Most of the connections to the meter occur under the terminal cover Figure 4 5 shows the terminals available on a 2 input 4 output RS 232 meter TB4 TB1 TB2 TB3 TB6 TB5 Figure 4 5 Under the terminal cover of the meter Diagrammatically this is sho...

Страница 54: ...110V 48V 12V 5V Input or Active Input or 2A 240V Relay or BOSFET output TB3 1 Input Output PI5 or PO5 TB3 2 Common for Input Output 5 TB4 RJ45 connector which is factory fitted with 1 or 2 RS232 ports TB5 Voltage and current inputs TB5 1 Incoming Active TB5 2 Incoming Neutral TB5 3 Outgoing Neutral TB5 4 Outgoing Active L1 TB5 5 Additional Load 2 L3 TB5 6 Additional Load 1 L2 TB6 Input PI6 PI6 SØ ...

Страница 55: ... TB5 Figure 4 7 TB5 terminal spacings Table 4 2 gives the terminal inner dimensions Terminal Profile Dimensions Main Circuit Round 9 0 mm Ø Load Circuit Round 5 3 mm Ø Table 4 2 Terminal sizes Finger Guard A finger guard may be fitted over the TB5 terminal screws This can help prevent accidental contact with the supply voltage as well as allowing these connections to be sealed Figure 4 8 The finge...

Страница 56: ...ired to access the Config Jumper Care must be taken as dangerous voltages are present in the circuitry under the meter lid while the meter is active Even when the meter is not powered care should be taken to prevent electrostatic damage to the circuitry of the meter CT to VT Links The meter does not have removable CT to VT links If testing the meter on a test bench the test bench must be able to p...

Страница 57: ...ge of operation is 176VAC to 288VAC The current range depends on the current range of the meter and should be limited to Imax The Load terminals TB5 5 and TB5 6 are limited to 60A Note that there is no IEC standard for a 60A load control relay so for type test approval 40A is stated There are a number of variations for the internal configuration of the meter including internal contactors Table 4 3...

Страница 58: ...ad 100A 8 Ia In In L1 1 Element with 100A Main Disconnect L1 Main Circuit Load 100A 9 Ia In In L1 L3 L2 2 Element with 100A Main Disconnect and 60A load control unswitched load L1 Main Circuit Load 100A L2 Load Circuit Load 60A Switched L3 Load Circuit Load 60A Unswitched 10 Ia In In L1 L2 1 Element with 100A Main Disconnect and 60A load control L1 Main Circuit Load 100A L2 Load Circuit Load 60A S...

Страница 59: ... 3 6W output TB4 2 Not Connected TB4 3 Not Connected TB4 4 5 5 GND Ground TB4 5 2 3 RX Receive Data to meter TB4 6 3 2 TX Transmit Data from meter TB4 7 RX2 Receive Data SCADA port TB4 8 TX2 Transmit Data SCADA port Table 4 4 RS 232 connections TB4 1 is connected to a 15V power source from the meter which is designed to power an external GSM modem Other options are also available contact EDMI for ...

Страница 60: ...erial port and are thus not isolated from the serial port or from each other In this case simply shorting between the input terminals will cause the input to trigger The maximum external impedance is 500 ohms Note that power is drawn from the isolated serial port supply but the inputs will still work while the serial port is powered down to cycle power to a modem Outputs There are several types of...

Страница 61: ...with either of the 700mAh batteries at 25 C In normal operation the battery should last for more than 10 years To eliminate the possibility of data loss it is best to change the battery while the meter is running Care must be taken as the battery is at the potential of the neutral terminal The battery is at the potential of the neutral terminal If conditions such as wiring configuration make this ...

Страница 62: ...on may be fitted above the select button See Figure 4 14 The push button has a 2 5mm diameter hole through it allowing it to be sealed using standard sealing wire Figure 4 14 Location of the Billing Reset Boost button When used as a Reconnect button holding the button down for at least half a second will connect the customers supply if it is enabled for connection The display will show Connect If ...

Страница 63: ... are permitted using the button EziView can also be used to configure the button as a billing reset button go to Security Setup and un check the Billing Reset Button Disabled checkbox Servicing The meter is not designed for field servicing and has no user serviceable parts The meter has no internal fuses In the event of failure of the meter contact EDMI or your local agent for servicing The Mk7A M...

Страница 64: ...4 16 Intentionally Left Blank 4 16 EDMI Atlas Hardware Reference Manual ...

Страница 65: ...overs the basic installation and physical features of the Mk7C meter Dimensions and Mounting Figure 5 1 shows the overall dimensions of the meter with a standard terminal cover Depth Width Height Figure 5 1 Overall dimensions of the meter Height 163 5 mm Depth 51 mm Width 134 mm ...

Страница 66: ...below gives more detailed dimensions for the meter Figure 5 3 gives the dimensions of the meter with a modem terminal cover fitted which can house a GSM modem Figure 5 2 Dimensions with standard terminal cover Figure 5 3 Dimensions with modem terminal cover ...

Страница 67: ...In general 4 Screw the first top screw into the wall Leave enough space between the head and the wall for the plastic around the keyhole 5 Hang the meter on the screw using the keyhole in the back of the meter 6 Insert the remaining two screws meter base under the terminal cover to hold the meter securely There are two choices for these screws the inner set of holes can be used if the meter needs ...

Страница 68: ... however make the meter slightly taller 11 5 mm and allows the screw to be removed without removing the terminal cover and removing the other two screws first The clip can be easily removed with access to the back of the meter by pushing the centre part in and sliding the clip out Figure 5 5 The hanger extension clip Figure 5 6 Hanging keyhole with the clip fitted 5 4 EDMI Atlas Hardware Reference...

Страница 69: ... button in the top right Two pulsing LEDs for energy indication independent of the I O PO3 and PO4 A FLAG IEC or ANSI port for local connection FLAG IEC on this meter A Connect button positioned in the top left See page 5 17 Beneath the terminal cover accessible by removing the sealable screw on the top middle of the terminal cover is the terminal block for the supply and loads connectors for the ...

Страница 70: ... Model Order Code Description Basic 0 No communications besides the optical port Passive 1 3 7 Passive RS232 RS485 ports This is a low power design which limits some options such as relay outputs It cannot have active inputs Active 2 5 6 Active RS232 RS485 ports This has a powerful isolated supply to run the communication ports and external GSM GPRS modem and active inputs Active Dual 9 2 Active R...

Страница 71: ...to Table 5 7 list the terminal block connections for the various configurations All terminals numbered left to right Terminal Description TB1 Voltage and current inputs TB1 1 Incoming Active TB1 2 Incoming Neutral TB1 3 Outgoing Neutral TB1 4 Outgoing Active L1 Table 5 2 Terminal block connections Common The Mk7C Meter 5 7 ...

Страница 72: ...ive input Note that active inputs on TB4 is the preferred construction for active inputs TB3 RS232 RJ45 RS485 RJ45 4 wire RS485 2 way terminal block TB3 1 TX RX TB3 2 TX RX TB4 TB4 1 PI5 PO5 SØ Output or 12V 5V Input or Active Input TB4 2 PI6 PO6 SØ Output or 12V 5V Input or Active Input TB4 3 Common for PI5 PO5 and PI6 PO6 Table 5 4 Terminal block connections Active without relay Terminal Descrip...

Страница 73: ...l block connections PLC no relay Terminal Description TB2 TB2 1 PI1 PO1 SØ Output or 240V 110V 48V 12V 5V Input TB2 2 PI2 PO2 SØ Output or 240V 110V 48V 12V 5V Input TB2 3 Common for PI1 PO1 and PI2 PO2 TB3 TB3 2 PI6 PO6 SØ Output or 240V 110V 48V 12V 5V Input TB3 3 Common for PI6 PO6 TB4 TB4 1 PO5 240V 2A Relay output TB4 2 Common for PO5 Table 5 7 Terminal block connections PLC with relay Finger...

Страница 74: ...ted on a surface and the terminal cover must be removed Removal of the back cover is required to access the Config Jumper Care must be taken as dangerous voltages are present in the circuitry inside the meter while the meter is active Even when the meter is not powered care should be taken to prevent electrostatic damage to the circuitry of the meter CT to VT Links The meter does not have removabl...

Страница 75: ...seconds to register Figure 5 13 Location of the Config jumper To help determine the state of the jumper there is a special LCD screen to show the state Press and hold the Select button for 20 seconds the screen should change to display the serial number and both Set A and Set B will be displayed Press the Select button until the Jump screen is shown it should take 7 presses When this screen shows ...

Страница 76: ...lies with the RS 232D standard To connect to a modem use a modem with an RJ45 connector or use an RJ45 to DB9 adapter Meters fitted with a passive serial port derive power from the signal lines of the modem Thus the port cannot power an external modem See Table 5 8 for connection details Pin 1 of the RJ45 is furthest on the right hand side RS232D RJ45 From Meter RS232C DB9 To Modem Description Ful...

Страница 77: ...d See Table 5 9 for connection details Pin 1 of the RJ45 is on the right hand side RS232D RJ45 From Meter RS232C DB9 To Modem RS232C DB9 To PC Null Description Full Name TB3 1 9 9 12 12V 3 6W output TB3 2 Not Connected TB3 3 Not Connected TB3 4 5 5 GND Ground TB3 5 2 3 RX Receive Data to meter TB3 6 3 2 TX Transmit Data from meter TB3 7 RX2 Receive Data SCADA port TB3 8 TX2 Transmit Data SCADA por...

Страница 78: ... lower Transmit refers to transmitting data from the meter When a terminal block is used the port operates in 2 wire mode When an RJ45 is used the port operates in 4 wire mode To operate the meter in two wire mode simply wire TX to RX and TX to RX See Figure 5 8 and Figure 5 9 for the location of the connector designated as TB4 RS 485 Active The RS 485 port on the meter has the factory option of e...

Страница 79: ... Software Reference Manual Inputs The meter may be fitted with up to 4 inputs depending on configuration There are two main types of inputs available and a mix of these types may be fitted Many of the configurations make use of a common terminal to allow for more I O in the limited space available Passive inputs require an external voltage to activate them They are isolated to 4kV from all other c...

Страница 80: ... provision for an external battery at present The internal battery is a 3 0V 700mAh Lithium cell It is connected during manufacture A low battery indicator is displayed on the LCD if the battery is not present or is depleted the level this occurs at can be configured The battery usage life is longer than 10 years on continuous backup with the 700mAh batteries at 25 C In normal operation the batter...

Страница 81: ...ustomers supply if it is enabled for connection The display will show Connect If it is not enabled the display will show not enabled and the contactor state will not change Pushing both the Select button and the Reconnect button at the same time will cause the contactor to be disconnected The message Disconnect will be displayed on the LCD The Reconnect button can also cause a boost operation for ...

Страница 82: ...Meter with an Extended Terminal Cover fitted The modem is securely mounted under the cover and a clear cover keeps it in place and protects the modem and wiring from the main TB1 wiring The clear cover clips into position and can be easily removed to access the modem The modem shown in Figure 5 19 is an ETM9300 GSM GPRS modem from ETM Pacific Figure 5 19 An ETM9300 modem fitted to the meter 5 18 E...

Страница 83: ...the modem Figure 5 20 A SAM2 modem fitted under the terminal cover A space is kept between the modem and the front of the terminal cover to allow for an antenna to be fitted under the terminal cover as shown in Figure 5 21 In good signal areas this allows for easier installation If the internal antenna is not good enough an external antenna may be fitted instead Figure 5 21 Antenna fitted under th...

Страница 84: ...is not designed for field servicing and has no user serviceable parts The meter has no internal fuses In the event of failure of the meter contact EDMI or your local agent for servicing 5 20 EDMI Atlas Hardware Reference Manual ...

Страница 85: ...nd physical features of the Mk10E meter Dimensions and Mounting Figure 6 1 shows the overall dimensions of the meter with a standard terminal cover The height excludes the buttons and the ANSI fitting if present Width Depth Height Figure 6 1 Overall dimensions of the meter Height 262 mm Depth 95 mm Width 175 mm ...

Страница 86: ...use 3 screws with a threaded section not larger than 5mmØ with a screwhead not smaller than 8mmØ Figure 6 2 Mounting points The meter is mounted using three screws In general 4 Screw the first top screw into the wall Leave enough space between the head and the wall for the plastic around the keyhole 5 Hang the meter on the screw using the keyhole in the back of the meter ...

Страница 87: ...bel will vary Figure 6 3 Front view of the meter with terminal cover fitted The major parts visible in Figure 3 3 include The LCD display A Select button for cycling the display bottom push button A sealable Billing Reset or Reconnect button optional to initiate a manual billing reset top push button Two pulsing LEDs for energy indication PO1 and PO2 A FLAG or ANSI port for local connection The Mk...

Страница 88: ...face and the optional external battery The sealable screws have 2 15mm diameter holes to accommodate standard sealing wire Under the Terminal Cover Most of the connections to the meter occur under the terminal cover Figure 6 4 shows the terminals available on a 4 I O RS 232 meter Figure 6 4 Under the terminal cover of the meter Diagrammatically this is shown in Figure 6 5 with the terminal block n...

Страница 89: ...Description TB1 Voltage and current inputs TB2 Input PI3 or Output PO3 TB3 Input PI4 or Output PO4 TB4 Input PI5 or Output PO5 TB5 Input PI6 or Output PO6 TB9 Second RJ45 connector for some communication options TB10 RJ45 connector which is hardware configured to either RS485 or RS232 or a 5 way terminal block for RS485 Table 6 1 Terminal block connections The Mk10E Meter 6 5 ...

Страница 90: ...ct The meter has an optional switch that can detect the opening of the terminal cover It is located above and to the left of the terminals See Figure 6 7 The meter can generate an EFA alarm and an event in the log when the switch is released by someone opening the terminal cover Figure 6 7 The terminal cover tamper detect button Meter Lid Tamper Detect The meter has an optional switch that can det...

Страница 91: ...itry of the meter CT to VT Links Whole current meters have CT to VT links between TB1 terminals 1 and 2 4 and 5 8 and 9 12 and 13 There is also a fixed link between 12 and 14 These links may need to be removed to allow testing on some types of test bench There are two options for removing them The first option has external VT to CT link connections Figure 6 8 shows the location of the links just a...

Страница 92: ...e meter with the screws removed Figure 6 12 Meter with the CT to VT links disconnected by removing screws Config Jumper The Config jumper offers a level of hardware security to the meter the jumper needs to be fitted to allow calibration and recovery of lost passwords The jumper is located under the meter lid along the top of the meter on the right side above the LCD Figure 6 13 A jumper is fitted...

Страница 93: ...nt using EziView see the External Transformers chapter in the Atlas Software Reference Manual The connection to terminal 5 is not required in two element mode Terminals 12 14 are not fitted in CT connected meters The nominal voltage input range dependant on the model number of the meter The current range depends on the current range of the meter and should be limited to Imax In 3 element mode 4 wi...

Страница 94: ...ection must be made even if it is not connected to both 12 and 14 The VT CT links connect TB1 terminals 1 to 2 4 to 5 8 to 9 and 12 to 13 to 14 The links are fitted under the main meter cover discussed earlier in this chapter Figure 6 16 TB1 CT and VT connections for 3 element testing Figure 6 16 shows the connection methods in 3 element 4 wire mode when VT CT links are not fitted ...

Страница 95: ...45 and Modem power supply SCADA port on 2nd RJ45 Pin 5 6 H RS485 4 wire with 2xRJ45 SCADA Port on 1st RJ45 Pin 1 2 I RS485 4 wire with 2xRJ45 and Modem power supply SCADA port on 1st RJ45 Pin 1 2 J RS485 2 wire with RJ45 SCADA Port on Pin 1 2 K RS485 2 wire with RJ45 and Modem power supply SCADA port on Pin 1 and 2 L RS485 2 wire with RJ45 SCADA Port on 2nd RJ45 Pin 5 6 M RS485 2 wire with RJ45 an...

Страница 96: ...5 2 3 RX Receive Data to meter TB10 6 3 2 TX Transmit Data from meter TB10 7 RX2 Receive Data SCADA port TB10 8 TX2 Transmit Data SCADA port Table 6 3 RS 232 connections TB10 1 is connected to a 14V power source from the meter which is designed to power an external GSM modem Other options are also available contact EDMI for more details Some early meters may have been built with a 2W limit check w...

Страница 97: ...he location of the connector The 5 way terminal block is fitted in the same place instead of the RJ45 shown RX2 and TX2 are only present if the port is a dual RS485 RS232 port and in this case RX2 and TX2 are RS232 signals One fitment option is two RJ45 s wired in parallel TB9 and TB10 useful for wiring a series of meters together using premade cables FLAG Port The meter can have either a Flag Por...

Страница 98: ...h up to 24VDC and 24mA The relay outputs are rated to 2A 240VAC with an inductive load or 5A 240VAC for the high current version These outputs should not be used as pulsing outputs for transmitting energy pulses as the output contacts are subject to contact bounce and are not rated for continuous switching The BOSFET outputs are rated up to 240V 100mA They may switch either AC or DC voltages any p...

Страница 99: ...here there are frequent short duration outages While the Super Caps recharge in a short period once power is restored they should be charged by connecting power to the meter for a minimum of 12 hours to obtain the full alive time LCD Select Button The LCD is primarily for displaying information from the meter s registers for meter readers It is also useful during installation configuration and dia...

Страница 100: ... Reconnect button at the same time will cause the contactor to be disconnected The message Disconnect will be displayed on the LCD The Reconnect button can also cause a boost operation for load control outputs depending on configuration Note that the relay may not change state immediately If another operation has just been performed it may take 60 seconds to perform the requested operation EziView...

Страница 101: ...ndicator for connection through local or remote port and units and multipliers LCD Variations There are several variations of the LCD display for different meters mostly varying in the number of enunciators and id digits They all operate in a very similar manner though presenting a series of pages of information Each page can display a single register s contents On the display the smaller digits a...

Страница 102: ... and 11 enunciators Figure 7 3 Mk10D LCD with all segments turned on The Mk10A LCD Figure 7 4 is similar to the Mk10 but has 6 label digits and 10 enunciators It adds a currency symbol and a SCADA port symbol but drops the G and M multipliers and limits the decimal places to 4 Figure 7 4 Mk10A LCD with all segments turned on 7 2 EDMI Atlas Hardware Reference Manual ...

Страница 103: ...d to a maximum of 7 characters To progress to the next page press the Select button Each time the button is pressed the display moves to the next page The display may also be setup to automatically cycle the display through the pages pausing if the Select button is pressed The LCD can come with or without a backlight The backlight may be set to only activate while the LCD is in use which is recomm...

Страница 104: ...A and SetB are lit This includes screens such are serial number and time date to facilitate diagnostics Holding the button as per changing display sets will revert to Set A EziView can also force the LCD to display a particular page in which case neither SetA nor SetB are lit Default Display If there is no LCD screen setup in the meter the time will be shown as a default page The example display o...

Страница 105: ...7 These segments allow for display of units The units are W var VA Wh varh VAh V and A Display set as explained in the Section LCD Select Button above Label in seven segment characters There can be a maximum of 7 characters to describe the value shown in the value digits on the right side of the LCD The Mk10 has 7 the Mk7 has 4 the Mk10D and Chinese displays have 5 and the Mk10A display has 6 The ...

Страница 106: ...t related to the register being shown they are a display of the meter s state As the LCD is a numeric type alphabetic characters are difficult to display The meter will attempt to display them as best it can but readability will vary depending on the letter 7 6 EDMI Atlas Hardware Reference Manual ...

Страница 107: ...ms In 2 element mode calculated from sqrt Wh 2 varh 2 Watts W The total W vars Var The fundamental vars In 2 element mode calculated from sqrt VA 2 W 2 VA VA The total VA calculated from Vrms x Irms In 2 element mode calculated from sqrt W 2 var 2 Voltage V True RMS voltage Current A True RMS current Frequency Hz Fundamental system frequency Phase Angle Degrees Angle between Fundamental Voltage an...

Страница 108: ...l Un 220VAC to 240VAC Mk10E is 57 7VAC to 240VAC Operating Range 0 8 Un to 1 2 Un Extended IEC is 1 15 Un 0 8 Un to 1 15 Un for Mk7C PLC Limit Range 0 Un to 1 2 Un IEC is 1 15 Un 0 Un to 1 15 Un for Mk7C PLC Start up Time for meter to be fully functional after Un applied is 3s Overcurrent Whole Current 7000A for 3 cycles 30 Imax for 0 5 cycles CT 20 Imax for 0 5 seconds Frequency Mk10 Mk10D Mk10E ...

Страница 109: ...P53 without suction as per Australian Outdoor The Mk7C and Mk10D meet IP54 Solar radiation IEC 62052 11 Tested on Mk10 Mk10D Mk7C Mk10E Mk10A Rain test UL50 3R Tested on Mk10 Mk10D Mk10E Mk10A Salt Spray IEC 60068 2 11 Tested on Mk10 Mk10D Mk7C Mk10E Mk10A Weather Simulation DIN 53 387 ANSI C12 16 Tested on Mk10 Mk10D Thermal Shock IEC 60068 2 14 Tested on Mk10 Mk10D Mk10E Mk10A Table A 3 Operatin...

Страница 110: ...rent with respect to voltage φ admittance Since conventions change around the world there is a setting called Naming Convention in the EziView Tools Options General page Figure A 2 The colour used for each phase may also be edited here Figure A 2 Naming Convention settings The naming conventions are as in Table A 4 Standard Positive Energy Negative Energy Abbreviated ANSI Export Import Exp Imp IEC...

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