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IQ 300 SERIES
INSTRUCTIONS FOR INSTALLATION,
OPERATION AND MAINTENANCE OF
THE CUTLER-HAMMER IQ 300 SERIES
OF ELECTRICAL DISTRIBUTION
SYSTEM METERS

INSTRUCTION

LEAFLET

IL17574C

IL17574C

For more information visit: 

www.cutler-hammer.eaton.com

 Effective 2/04

Summary of Contents for Cutler-Hammer IQ 300 Series

Page 1: ...FOR INSTALLATION OPERATION AND MAINTENANCE OF THE CUTLER HAMMER IQ 300 SERIES OF ELECTRICAL DISTRIBUTION SYSTEM METERS INSTRUCTION LEAFLET IL17574C IL17574C For more information visit www cutler hamme...

Page 2: ...Inputs 2 4 2 3 2 Power Supply Input 2 7 2 3 3 Local Display Connection 2 7 2 3 4 PowerNet Communications IQ 320 and IQ 330 Base Module only 2 7 2 3 5 MODBUS Communications 2 8 2 4 EXTERNAL HARDWARE 2...

Page 3: ...3 Wire System 4 8 4 7 2 4 Wire System 4 9 4 8 MIN MAX DATA DISPLAY MODE 4 10 4 8 1 3 and 4 Wire Systems 4 10 4 9 VIEW SET POINTS 3 and 4 wire systems 4 13 4 9 1 Password Setup 4 14 4 9 2 INCOM Setup I...

Page 4: ...28 4 15 DIAGNOSTICS 4 28 4 16 EXIT MENU 4 28 SECTION 5 NETWORK COMMUNICATION PROTOCOLS5 1 5 1 MODBUS RS485 NETWORK 5 1 5 2 OVERVIEW 5 1 5 3 FUNCTION CODES 5 3 5 4 BLOCK OF REGISTERS 5 3 5 5 UNDERSTAN...

Page 5: ...d including warranties of fitness for a particular purpose of merchantability or warranties arising from course of dealing or usage of trade are made regarding this information recommendations and des...

Page 6: ...00 is a microprocessor based series of monitoring devices that provide single phase 2 or 3 wire and 3 phase 3 or 4 wire electrical metering designed to replace numerous individual meters and recorders...

Page 7: ...upply PowerNet communication by way of the INCOM port provides information to the network master device A KYZ Pulse output proportional to the energy consumed by the system being monitored 2 digital o...

Page 8: ...ne to Line Voltages Apparent Power Factor Current Peak Demand Line to Neutral Voltages Displacement Power Factor Line to Line Voltage System Power W vars VA Watt Hours Line to Neutral Voltage System F...

Page 9: ...onnecting to an IQ 300 Base Module IQ 310 IQ 320 IQ 330 or IQ 330M is located on the back side of the IQ 300 Display Module 2 1 2 IQ 300 Base Modules The IQ 300 Base Modules measure system values and...

Page 10: ...Page 2 2 Effective Date 2 04 IQ 300 Page 2 2 Effective Date 2 04 For more information visit www cutler hammer eaton com Figure 2 2 IQ 320 Base Module Figure 2 2 IQ 330 Base Module Figure 2 2 IQ 310 Ba...

Page 11: ...w the operator to view change and reset various system parameters Display measured system phase and min max values View and edit all or individual set points Password INCOM network address and baud ra...

Page 12: ...te For sections 2 3 1 through 2 3 4 refer to figures 2 4c 2 4d and 2 4e 2 3 1 Current and Voltage Inputs The voltage terminal block is located at the bottom rear of the chassis It has four terminals f...

Page 13: ...IN1 AN1 DISPLAY R TX A1 1 2 1 I I R R I NEU VB VA VC PS1 PS2 1 2 1 2 2 MOD 2 INCOM 1 PULSE Y 2 K Z 3 2 1 B A B C C H H H H H Connector to Display Communication Transmit LED Ground Lug System Voltage I...

Page 14: ...TX A1 1 2 1 I I R R I NEU VB VA VC PS1 PS2 1 2 1 2 2 MOD 2 INCOM 1 PULSE Y 2 K Z 3 2 1 B A B C C H H H H H Digital Input 1 I Input R Return CT Lines for Phase A CT Lines for Phase B CT Lines for Phas...

Page 15: ...n The supplied Category 5 cable connects to the DISPLAY port located on the left rear of the chassis and to the port on the IQ 300 Display Module Do not route the Category 5 cable in the same enclosur...

Page 16: ...outputs and read analog input IQ 330 ONLY 2 3 5 MODBUS Communications The IQ 330M Enhanced Electrical Distribution System Meter is a MODBUS compatible device When connected via the MODBUS port values...

Page 17: ...eld EN61000 4 8 1995 EN62000 6 2 1999 30 A m Surge Voltage EN61000 4 5 EN61000 6 2 1999 Voltage Dips EN61000 4 11 EN61000 6 2 1999 Table 2 1 IQ 300 Safety Specifications 2 4 3 1 Fusing IQ 300 Power Su...

Page 18: ...nominal full scale Voltage Inputs Input Impedance Overload Withstand 90 to 600 volts nominal 10 2 M 660 Vac continuous INCOM Communication Speeds IQ 320 IQ330 only 1200 Baud FSK 9600 Baud FSK MODBUS...

Page 19: ...l Scale VA 5 amps 1 of Reading Power Factor 2 of Full Scale Frequency 0 1 Hz Table 2 3 IQ 300 Metering Accuracy ANSI C12 Note The IQ 300 has been designed and verified to meet ANSI C12 Class 10 Revenu...

Page 20: ...h 999 999 999 999 999 999 kWh 999 999 999 999 999 999 kvarh 0 999 999 999 kVAh Power Factor 1 00 1 00 Frequency 0 255 996 Hz Table 2 4 IQ 300 Measurement Ranges Dimension Display Module Base Module Le...

Page 21: ...ntered on front face mounting plate Base Unit Terminals Wire Size 24 12 AWG Torque Rating 5 6 Nm Base Unit Terminals Wire Size 16 28 AWG Torque Rating 22 25 Nm Base Unit Terminals Wire Size 12 22 AWG...

Page 22: ...y Module 14 Cable IQ320 IQ 330 Complete Meter with Base Module IQ 300 Display Module 14 Cable IQ330 IQ 330 MODBUS Complete Meter with Base Module IQ 300 Display 14 Cable IQ330M 3 foot long Category 5...

Page 23: ...THE IQ 300 BASE MODULE TURN OFF AND LOCK OUT POWER SUPPLYING THE PANEL BOARD OR SWITCH GEAR IN WHICH THE IQ 300 IS BEING INSTALLED FAILURE TO DO SO MAY CAUSE INJURY TO PERSONNEL OR DAMAGE TO EQUIPMENT...

Page 24: ...in which it will be placed The dimensions for this cutout along with mounting hole locations are shown in figure 3 1 Note that the IQ 300 actually has ten mounting holes Normally the top bottom and ce...

Page 25: ...esired location IQ 300 dimensions without and with a base unit are shown in figures 3 2 and 3 3 respectively It is necessary to hold the tolerances shown when making the cutouts and placing the holes...

Page 26: ...mounting studs until it is flush with the rear of the back cover Insert the IQ 300 Display Module with gasket installed into the cutout Insert one end of the Category 5 cable into the port on the rear...

Page 27: ...fig ure 3 5 Connect the IQ 300 Base Module to earth ground using the ground ing terminal on the rear face Route the Category 5 cable from the IQ 300 Base Module to the IQ 300 Display Module Do not ro...

Page 28: ...se Module by inserting the remaining end of the Category 5 cable into the DISPLAY port on the IQ 300 Base Module Proceed to section 3 3 Wiring 3 3 WIRING The IQ 300 requires connection to system curre...

Page 29: ...S THE SYSTEM POWER 3 3 1 Wiring System Current and Voltage The IQ 300 must be connected to sources of current and voltage for each phase that is to be monitored Current transformers having a 5 A secon...

Page 30: ...0VDC Case Ground Must be connected for proper operation Proper CT polarity is critical to the proper operation of the meter Figure 3 6 3 Phase 3 Wire Configuration Above 600 Volts H1A H1B H1C LINE L3...

Page 31: ...for proper operation Proper CT polarity is critical to the proper operation of the meter Figure 3 7 3 Phase 3 Wire 2 CT Configuration Up to 600 Volts H1A H1B H1C LINE L3 L2 L1 PS1 PS2 VA VB VC NEU H2A...

Page 32: ...Case Ground Must be connected for proper operation Proper CT polarity is critical to the proper operation of the meter Figure 3 10 3 Phase 4 Wire Configuration Above 600 Volts H1A H1B H1C LINE L3 L2 L...

Page 33: ...st be connected for proper operation Proper CT polarity is critical to the proper operation of the meter Figure 3 11 Single Phase 3 Wire Configuration Up to 600 Volts H1A H1B H1C LINE N L1 PS1 PS2 VA...

Page 34: ...be connected for proper operation Proper CT polarity is critical to the proper operation of the meter Figure 3 14 Typical IQ 320 IQ 330 Line Powered Configuration Up to 600 Volts H1A H1B H1C LINE L3 L...

Page 35: ...be taken in stripping wire due to close proximity of terminals 3 3 4 KYZ Pulse Initiator IQ 320 and IQ 330 Base Modules Only The KYZ Pulse Initiator output can be wired to a 2 wire K Y terminals or 3...

Page 36: ...CT and PT ratios CT ratio 1400 5 280 PT ratio 2 1 2 Step 2 Calculate the power at the secondary of the CTs and PTs power at secondaries 16 800 Watts CT ratio x PT ratio power at secondaries 16 800 Wa...

Page 37: ...for the same processor bandwidth In order to ensure accurate input readings limit block requests in Modbus to 3 variables 6 Modbus registers when reading digital inputs with pulse width of 200 ms betw...

Page 38: ...IL17574C Page 3 16 Effective Date 2 04 IQ 300 Page 3 16 Effective Date 2 04 For more information visit www cutler hammer eaton com This page is left blank intentionally...

Page 39: ...Base variation should it be networked to a PowerNet master device All functions of the IQ 300 are available through menus visible on the screen of the IQ 300 Display Module Operator Panel Choice of m...

Page 40: ...wn button and the arrow pointing to the left represents the enter button If you push one of these buttons while their corresponding symbol is not visible on the screen nothing will occur The clock sym...

Page 41: ...athematical sign convention The IQ 320 and IQ 330 allows the user the ability to change to the power engineer convention which assumes positive values at the load The convention can be changed in the...

Page 42: ...der several menu items depend on which unit you are using and whether the system being monitored is 3 or 4 wire and require that the appropriate configuration be selected under the Edit Setpoints menu...

Page 43: ...4C Page 4 5 IQ 300 Effective Date 2 04 Page 4 5 For more information visit www cutler hammer eaton com System DATA Phase DATA EDIT SETPT Min Max DATA VIEW SETPT Reset VALUES DISP SETIN DIAGNOSTIC EXIT...

Page 44: ...the value of the 4 to 20ma analog input The digital inputs count the positive and negative edges of a square wave signal The signal must have an amplitude greater than 12 volts and will be clamped at...

Page 45: ...T KWHRS XXXXXX XX System LD KVARHR XXXXXX XX System LG KVARHR XXXXXX XX System NET KVARHR XXXXXX XX System NET KVAHRS XXXXXX XX System Demand KWATTS XXXXXX XX System Demand KVARS XXXXXX XX System Dema...

Page 46: ...he screens shown in figure 4 4 display as the Scroll arrows are pressed Phase DATA XXXXXX XX Phase IA AMPS XXXXXX XX Phase VOLTS A B XXXXXX XX Phase IB AMPS XXXXXX XX Phase IC AMPS XXXXXX XX Phase VOL...

Page 47: ...se C KWATTS XXXXXX XX Phase A KVARS XXXXXX XX Phase B KVARS XXXXXX XX Phase C KVARS XXXXXX XX Phase A KVA XXXXXX XX Phase B KVA XXXXXX XX Phase C KVA XXXXXX XX Phase A AP PF LD XXXXXX XX Phase B AP PF...

Page 48: ...e minimums and maximums of values monitored for a 4 wire system Select Min Max Data from the main menu options The list in figure 4 6 and 4 7 are displayed as the scroll arrows are pressed Note how th...

Page 49: ...System Max FREQ IN HZ XXXXXX XX System Min APT PF LD XXXXXX XX System Max APT PF LD ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER XXXXXX XX Phase Max IB AMPS XXXXXX XX...

Page 50: ...ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER XXXXXX XX Phase Max IB AMPS XXXXXX XX Phase Min IC AMPS XXXXXX XX Phase Max IC AMPS XXXXXX XX Phase Min VOLTS A B XXXXXX XX Phase Max VOLTS A B X...

Page 51: ...eed to section 4 10 Edit Set Points Select View Setpt from the main menu options The list in figure 4 8 displays as the scroll arrows are pressed VIEW SETPT PASSWORD N XXXX MODBUS RAT XXXX INCOM RATE...

Page 52: ...cates the baud rate at which the IQ 320 IQ 330 will communicate over the PowerNet network The IncomAddress screen shown in figure 4 12 indicates the network address in hexadecimal assigned to the IQ 3...

Page 53: ...Set Points for additional information 4 9 6 CT Ratio Scroll up or down until CT RATIO 5 is displayed This screen shown in figure 4 17 indicates the current transformer ratio selected as the ratio of t...

Page 54: ...reen shown in figure 4 21 indicates the energy per pulse Rate over which energy demand consumption is measured If the values displayed are not correct proceed to section 4 10 Edit Set Points for addit...

Page 55: ...M forms of communication do not read the output values Refer to 4 10 8 notes for information on entering proper nominal readings 4 9 11 Exit To exit the view setpoints options scroll up or down the me...

Page 56: ...how one of the following PHASE MSG VOLT or NULL depending on your selection in the output setting and one of the following NULL CLR or SET depending on your selection Figure 4 26 Edit Setpoints EDIT S...

Page 57: ...e previous screen If an error occurs in the New Password selection process an error message displays Press Enter to return to the previous screen and repeat the steps above 4 10 2 INCOM Setup IQ 320 a...

Page 58: ...Menu options when you reach the MODBUS RAT option or the MODBUS ADD option press the enter button The MODBUS rate screen shown in figure 4 29 displays the baud rate at which the IQ 330 will communica...

Page 59: ...iring configuration of the system being monitored selected and displayed The screen will display either 3 Wire or 4 Wire To specify the wiring configuration of the system being monitored press either...

Page 60: ...300 selected and displayed To specify the potential transformer ratio of the potential transformers being used with the IQ 300 press either of the Scroll arrows repeatedly to step through the choices...

Page 61: ...current or power over the past 15 minutes and to update that calculation every 15 minutes If multiple IQ 320 or IQ 330 units exist on a PowerNet network all their Demand Windows can be simultaneously...

Page 62: ...ton The screens shown in Fig 4 37 and 4 38 indicate the selection of the mode to be used for the two outputs The TRIP VALUE screen shown in figure 4 39 will show the percentage used relative to the tr...

Page 63: ...the previous screen 4 10 12 Message to Outputs A1 and A2 IQ 330 IQ 330M Base Module Only Scroll up or down the Edit Menu options when you reach either the A1 or A2 Message Display shown in figures 4...

Page 64: ...no When Y is displayed press Enter to lock in the selection If the procedure completes successfully Download OK appears briefly The display then returns to the previous screen Pressing Enter while N...

Page 65: ...et ALL Min Max Reset VOLTS Min Max Reset POWER Min Max Reset FREQ PF Reset COMM STATS Reset INPUTS EXIT SMENU ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER Demand Reset SURE N Reset SURE N Min Max R...

Page 66: ...utomatically comes on making the screen easier to read You have the option of keeping the backlight on even when the unit is not in use To do so use the up or down arrow to scroll through the main men...

Page 67: ...n aluminum mylar foil shield with drain wire The maximum system capacity is 4 000 feet of communications cable and 32 devices on the MODBUS RTU network Make sure the twisted pair wire is recommended f...

Page 68: ...0 x IG A 1808 10 IN A 180A 10 current IAvg A avg 180C 10 VAB V 180E 10 x VBC V 1810 10 x VCA V 1812 10 x L L voltage VLLavg Vavg 1814 10 VAN V 1816 10 x VBN V 1818 10 x VCN V 181A 10 x L N voltage VLN...

Page 69: ...W 183A 1 x B ph W 183C 1 x C ph W 183E 1 x reactive A ph VAR 1840 1 x reactive B ph VAR 1842 1 x reactive C ph VAR 1844 1 x apparent A ph VA 1846 1 x apparent B ph VA 1848 1 x apparent C ph VA 184A 1...

Page 70: ...4 this is the numeric object or item for IB Each item in this example IB equals 2 registers Each register equals 2 bytes therefore 1 item IB equals 4 bytes There are two locations that are not 32 bit...

Page 71: ...STANDING ADDRESS 1800 AND 1801 Address 1800 and 1801 are made up of three fields Primary Secondary and Cause The Primary field is the high byte of address 1800 The Secondary field is the low byte of 1...

Page 72: ...XTENDED COMMUNICATIONS VIA MODBUS Since a control error could result in unwanted actions initiated by MODBUS the IQ 300 requires a specific protocol by the MODBUS Master in order to perform control re...

Page 73: ...Address Hi 62 Address Lo 00 Quantity of Registers Hi 00 Quantity of Registers Lo 03 Byte Count 06 Slave Action Byte 1 01 Slave Action Byte 0 04 Don t Care XX Slave Action Byte 2 00 Don t Care XX Don t...

Page 74: ...Currents 0 1 4 Reset all Min Max values 0 1 6 Reset input counters 0 1 13 Reset Min Max Currents 0 1 14 Reset Min Max L L Voltages 0 1 15 Reset Min Max L N Voltages 0 1 16 Reset Min Max Power Factor...

Page 75: ...x beginning at register 6000 hex The data format for pass through data is given in Figure 5 3 The MODBUS master reads the INCOM product response to a pass through query using either function 04 beginn...

Page 76: ...imeout on INCOM Status Byte of INCOM Response Msg 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Register 424835 610216 Register 424836 610316 Byte0 of INCOM Response Msg 1 15 14 13 12 11 10 9 8 7 6 5 4 3 2...

Page 77: ...Points Lo 06 Error Check LRC or CRC Table 5 9 Example The INCOM Pass Through capability is a powerful tool it allows you to retrieve any data that you could have retrieved with INCOM while using the...

Page 78: ...gister 6100 00 Data Lo Register 6100 0A Data Hi Register 6106 00 Data Lo Register 6106 0A Error Check LRC or CRC Table 5 10 Example Register Data Response The register data in the response message are...

Page 79: ...this command From slave address to and including Message 1 Byte 0 the data is specific In Message 2 Byte 0 and 02 hex represents a CT ratio of 15 5 as shown in table 5 11 A 00 hex in message 2 byte 1...

Page 80: ...Msg Byte 1 00 Message 1 Byte 0 05 Message 1 Byte 1 XX don t care Message 1 Byte 2 XX don t care Message 2 Byte 0 02 Message 2 Byte 1 00 Message 2 Byte 2 0A Message 3 Byte 0 01 Message 3 Byte 1 XX don...

Page 81: ...e Ratio Increment 00 32 1 1 6 1 0 1 1 33 40 7 1 20 1 1 1 41 70 25 1 260 1 5 1 71 FF 270 1 1690 1 10 1 Byte2 Bit Description B0 Frequency 0 60 Hertz 1 50 Hertz B1 VAR sign change 1 VARs for lagging pow...

Page 82: ...11 3 4Wh 1101 30Wh 0010 1 8Wh 1000 11Wh 1110 70Wh 0011 1 4Wh 1001 12Wh 1111 90Wh 0100 3 8Wh 1010 13Wh 0101 1 2Wh 1011 14Wh Byte1 Reserved 0 Byte2 Reserved 0 4 Byte0 B0 3 Output 1 mode selection 0 3 EN...

Page 83: ...lean the IQ 300 using only a clean dry cloth Do not use water or solvents of any kind Operate the IQ 300 Base Module in an environment within the temperature range of 20 C to 50 C and the IQ 300 Displ...

Page 84: ...le Disconnect the Category 5 cable from the IQ 300 Base Module and mark it for later reconnecting Disconnect the INCOME cable if used and mark it for later reconnecting Disconnect all system voltage a...

Page 85: ...ease be aware that other system components may be causing or contributing to system malfunctions To use the following troubleshooting guide first identify the symptom of the malfunc tion in the first...

Page 86: ...ation w iring error C heck the address of the IQ 320 base unit via a display m odule and verify that the softw are is addressing the proper unit C heck the baud rate set for the base unit via a displa...

Page 87: ...ale of product shown in this literature is subject to terms and conditions outlined in appropriate Eaton Cutler Hammer selling policies or other contractual agreements between the parties This literat...

Page 88: ...way Moon Township PA 15108 4312 USA www cutler hammer eaton com IL17574C Style 66A2087H04 For additional information please call Power Management Products Center 1 800 809 2772 option 1 option 1 2004...

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