Honeywell E-Mon Class 3200 Owner's Manual
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Honeywell E-Mon Class 3200 Owner's Manual

Advanced kwh/demand meter
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E-Mon Class 3200
Meter
ADVANCED KWH/DEMAND METER
OWNER'S MANUAL
62-0397-02

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Summary of Contents for Honeywell E-Mon Class 3200

  • Page 1 E-Mon Class 3200 Meter ADVANCED KWH/DEMAND METER OWNER’S MANUAL 62-0397-02...

  • Page 2: Table Of Contents

    RS-232 Communications Section 6.9 Modem Wiring Section 6.10 Modbus RTU Wiring Section 6.11 BACnet MS/TP Wiring Section 6.12 Connecting E-Mon Class 3200 Meters to USB Key using RS485 Section 6.13 Ethernet Communications Section 7.0 Multiple-Load Monitoring Section 8.0 Preventative/Scheduled Maintenance Section 9.0...

  • Page 3: Introduction

    600V 600V, Three Phase Verify that the E-Mon Class 3200 meter’s current sensors are sized suitably for the load to be monitored. Compare the color of the arrows on the current sensors to the chart below to confirm the correct current sensor is being used.
  • Page 4 WARNING Use of this instrument, the E-Mon Class 3200 meter, in a manner inconsistent with this manual or not specified by the manufacturer in writing, can cause permanent damage to the unit and/or serious injury to the operator.

  • Page 5: Internal Electronic Assemblies

    E-MON CLASS 3200 METER 2.0 INTERNAL ELECTRONIC ASSEMBLIES The units are comprised of two major subassembly boards, the main power board and the display board. Both circuit boards are mounted inside a UL Type 1 (steel) or Type 4X (rain tight) enclosure.

  • Page 6: Display Board

    The display board connects to the main power board via a flex ribbon cable and the board mounts on the inside of the housing door. The E-Mon Class 3200 meter features a 4-line LCD display that indicates multiple meter data points.

  • Page 7: Meter Technical Specifications

    Ordering Information: Define brand, class, input voltage, amperage, protocol, and sensor type in the format A-BB-CCC-DDDD-E-FFF-GGG, where: A = Brand: E for Honeywell E-Mon BB = designates Class 3200 (32), or Class 5000 (50) meter CCC = input voltage: (208, 400, 480, 600, 120 volt for High Voltage)
  • Page 8 E-MON CLASS 3200 METER Temperature Range -20C to +50C Relative Humidity 0-95% non-condensing Range Altitude 2000 meters maximum Voltage Overload +25% continuously: +100% For 20 cycles Current Sensor 100% for 1 minute Overload Pollution Degree Degree 2 in accordance with IEC 664...
  • Page 9 E-MON CLASS 3200 METER Battery Cell: Description: Non-rechargeable cell used for memory retention Manufacturer: Panasonic Mfg Part No: CR2032 Working Voltage: 3Vdc Current Capacity 225 mAHr Electrolyte: Manganese Dioxide Lithium 62-0397—02...

  • Page 10: Safety Label Definitions And Information

    E-MON CLASS 3200 METER 4.0 SAFETY LABEL DEFINITIONS AND INFORMATION The E-Mon Class 3200 meter may contain one or more of the following labels. Operator(s) should familiarize themselves with the meaning of each label to minimize risk. Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.

  • Page 11: Precautionary And Safety Information

    E-MON CLASS 3200 METER 5.0 PRECAUTIONARY AND SAFETY INFORMATION CAUTION Internal circuit card components are extremely sensitive to electrostatic discharge. Be careful not to touch internal circuitry prior to discharging any static buildup on your person. To discharge yourself, touch a grounded metal object such as conduit or an earth-grounded metal enclosure.

  • Page 12: Mounting The E-Mon Class 3200 Meter

    M34684 Fig. 4. Meter Dimensions. Use appropriately sized mounting hardware to fasten the E-Mon Class 3200 enclosure to the selected mounting surface. The four housing mounting holes are centered 6.75” H x 4” W. When the meter is provided in the 4X rain tight plastic enclosure, the hub must be mounted to the conduit first before connecting it to the enclosure.

  • Page 13: Main Power Board Connections

    Prior to performing any unit wiring, be sure to discharge any static on your person. 2. Installing the E-Mon Class 3200 protective earth ground: Connect an earth ground wire to the E-Mon Class 3200 (Type 1 enclosure) protective earth ground lug with a torque of 7 N-m.
  • Page 14 E-MON CLASS 3200 METER 6.2 Main Power Board Connections (continued) 3. Wire Entry: One 3/4” conduit opening is located on the bottom of the CL3200 enclosures. This opening is used for bringing in MAINS power and for current sensor wiring. One 1/2” conduit opening on the top of the metal enclosure CL3200 can be utilized as an interface for the low- voltage sig- nals, pulse input, or RS-485 communications wiring to the unit.
  • Page 15 E-MON CLASS 3200 METER 6.2 Main Power Board Connections (continued) D. Connect the three AC main power wires (Phases A, B and C) to their respective positions as labeled on terminal block TB1. After all conduc- tors are connected to each of their respective terminal block positions and tightened to 7 in-lb, verify that each terminal block screw is securely fastened by gently tugging on each conductor.

  • Page 16: Phasing Of Line Voltage

    E-MON CLASS 3200 METER 6.3 Phasing of Line Voltage The 3-phase AC power input or single phase option must be in proper phase sequence. If the sequence is incorrect or a phase is missing, there will be a message on the meter’s display: “PH Sequence Error” or “PH Missing:. (Refer to the section on Line Voltage Diagnostics if this message is present.) When the line...

  • Page 17: Current Sensor Installation & Wiring

    5&6 are for the A Phase - TB1 pos 7&8 are for the B phase -factory installed jumper wire on positions 9&10. Factory installed Jumper should not be removed. The E-Mon Class 3200 meter is supplied with two types of 0-2V split or solid-core current sensors (specified when ordered): 1.
  • Page 18 6.4.1 Current Sensor Wiring Once the current sensors are installed onto their appropriate phase conductors, you can begin terminating the current sensors onto the E-Mon Class 3200 main board. The current sensors can be extended up to 500 feet for remote monitoring applications.

  • Page 19: Main Power & Current Sensor Wiring Diagram

    E-MON CLASS 3200 METER 6.5 Main Power & Current Sensor Wiring Diagram LINE VOLTAGE CURRENT SENSORS 3-PHASE, 4-WIRE INSTALLATION DIAGRAM NOTES: LINE VOLTAGE CONNECTIONS: #14-22 AWG SENSOR CONNECTIONS: B = BLACK LEAD W = WHITE LEAD NEUTRAL NOT USED IN DELTA SYSTEM. REMOVE NEUTRAL TERMINAL BLOCK SCREW FOR DELTA SYSTEMS.

  • Page 20: Line Voltage/Current Sensor Diagnostics

    E-MON CLASS 3200 METER 6.6 Line Voltage/Current Sensor Diagnostics Following is a list of diagnostic messages that may appear on the meter display. DIAGNOSTIC MESSAGES SHOULD NOT BE ON CONTINUOUSLY WHEN THE METER IS INSTALLED PROPERLY AND IS IN WORKING ORDER.

  • Page 21: Rs-485 Wiring

    6.7 RS-485 Wiring RS-485 communication allows a computer or modem to communicate with one or more E-Mon Class 3200 meters. You can connect as many as 52 meters along a 4000 foot RS-485 cable run. E-Mon Class 3200 Smart meters are available with your choice of communication options: Modbus, BACnet, Honeywell E-Mon Energy (EZ7) standard.
  • Page 22 E-MON CLASS 3200 METER 6.7 RS-485 Wiring (continued) * An alternate version of firmware is available that replaces Modbus RTU with BACnet MS/TP. The meter must be ordered with this option if BACnet is desired instead of Modbus. There are two connection methods, daisy-chain and wire terminal, for RS-485 communications.
  • Page 23 6.7 RS-485 Wiring (continued) 6.7.1 RS-485 Bias Resistors When interfacing the E-Mon Class 3200 meter to certain RS-485 communication equipment, it may be necessary to add bias resistance to the circuit. If this is required, there is a 2-position DIP switch on the meter’s door mounted (display) circuit board.

  • Page 24: Rs-232 Communications

    6.8 RS-232 Communications 6.8.1 Hardwired System using the RS-232 Communication The RS-232 communications key allows you to connect E-Mon Class 3200 meters to a personal computer that has the Honeywell Energy™ software installed. The computer communicates with the meters through the RS-232 key.
  • Page 25 NOTE: When the Honeywell Energy™ software is accessed on the computer, a third LED (RS232 READY) will turn on. This indicator will light up as soon as the Honeywell Energy software is booted up and the correct COM port is set up via the settings provided in the software’s Locations menu.

  • Page 26: Modem Wiring

    E-MON CLASS 3200 METER 6.9 Modem Wiring UP TO 4000 RS-232 SERIAL FEET TOTAL PORT COM1 THROUGH COM3 UP TO 52 MAXIMUM 15 FEET CLASS 3200 CHANNEL 1 METERS PER CHANNEL LOCAL MODEM RS-232 CHANNEL 2 KEY RM PC OR WINDOWS...
  • Page 27 AMR system. Do not use a phone line that is shared by another modem or fax machine. 6.9.3 Baud Rate Selection The communication Baud rate on the E-Mon Class 3200 meter is set through positions 3 and 4 on DIP switch S2 on the meter circuit board. The default is 9600 Baud.

  • Page 28: Modbus Rtu Wiring

    E-MON CLASS 3200 METER 6.10 Modbus RTU Wiring The E-Mon Class 3200 Modbus option meter communicates with building automation equipment over a 2-wire (3-conductor) RS-485 network using Modbus RTU protocol. The meters are networked in a daisy-chain configuration with BELDEN 1120A cable or equivalent required. The cable rating of 600V allows the RS-485 network to be connected to 480-volt meters.

  • Page 29: Bacnet Ms/Tp Wiring

    )“, and ground and the wiring must match the same positions on the meters. If more than 52 meters are to be monitored, additional USB Keys can be utilized to connect them to the PC. Fig. 19. Connecting E-Mon Class 3200 Meters to the USB Key using RS485. 62-0397—02...

  • Page 30: Ethernet Communications

    NOTE: The meter is not designed to connect directly through an Ethernet con- nection, but must utilize an appropriate RS485/Ethernet converter mod- ule/modem. E-Mon Class 3200 Ethernet/IP Addressable meters can be tied into a local Ethernet network individually, or a single Ethernet-connected meter can communicate with multiple RS-485 daisy-chained conventional (EZ-7) E-Mon Class 3200 meters using a single IP address.

  • Page 31: Multiple-Load Monitoring

    E-MON CLASS 3200 METER 7.0 MULTIPLE-LOAD MONITORING The Honeywell E-Mon Class 3200 meter provides extreme flexibility by allowing additional sets of current sensors to be used in parallel so multiple load locations can be monitored by one meter. This feature allows a totalized display readout from two or more load circuits.

  • Page 32: Preventative/Scheduled Maintenance

    E-MON CLASS 3200 METER 7.0 MULTIPLE-LOAD MONITORING (CONTINUED) NOTE: One set of current sensors equates to three sensors, one per phase. The multiplier only applies when extra sets of current sensors are installed on one meter. If you are using only one set of three current sensors, the mul- tiplier is not required.

  • Page 33: Lithium Battery Replacement

    E-MON CLASS 3200 METER 9.0 LITHIUM BATTERY REPLACEMENT The E-Mon Class 3200 meter has a lithium coin cell battery, which is used to retain the contents of SRAM and the RTC during power outages. The battery’s life expectancy is greater than 5 years.
  • Page 34 E-MON CLASS 3200 METER 9.0 LITHIUM BATTERY REPLACEMENT (CONTINUED) Use the following procedure to replace the lithium battery cell. CAUTION The battery is not completely discharged; therefore, DO NOT short the terminals on the battery with any conductive material. CAUTION Internal circuit card components are extremely sensitive to electrostatic discharge.

  • Page 35: E-Mon Class 3200 Meter Operating Modes

    E-MON CLASS 3200 METER 10.0 E-MON CLASS 3200 METER OPERATING MODES The Honeywell E-Mon Class 3200 meter is used to monitor electric power usage of individual loads after the utility meter and store kW and kVAR data for automatic meter reading.

  • Page 36: Normal Mode Display Screens

    E-MON CLASS 3200 METER 10.2 Normal Mode Display Screens The E-Mon Class 3200 meter features seven Normal Mode Display Screens for monitoring the meter. Each screen is displayed for 5 second intervals, before scrolling onto the next screen. You can “lock” the scrolling display on any one of the seven screens.

  • Page 37: How To Program The Display Screens

    E-MON CLASS 3200 METER DOWN MENU SELECT M33279 Fig. 27. Push Buttons. 10.3 How to Program the Display Screens The display information can be programed using four push buttons switches. The push buttons (DOWN, UP, SELECT, MENU) are located at the bottom of the display board on the inside front door of the meter.
  • Page 38 E-MON CLASS 3200 METER 10.3.1 Date & Time To change the date and time, complete the following steps: 1. Press the MENU button. 2. The following screen will appear: Date & Time Device ID Reset KW/KWH Read Exit 3. Press the SELECT button. The date and time screen will appear, and the 2 digit month will be blinking.
  • Page 39 E-MON CLASS 3200 METER 10.3.2 Device I.D. To change Device I.D., complete the following steps: 1. Press the MENU button. 2. The following screen will appear: Date & Time Device ID Reset KW/KWH Read Exit 3. Use the UP and DOWN buttons to select the Device ID line.
  • Page 40 E-MON CLASS 3200 METER 10.3.3 Peak Demand Reset To reset the recorded peak kW demand, complete the following steps: 1. Press the MENU button until “Reset kW/kWh Read” is indicated by the arrow on the display. Date & Time Device ID...
  • Page 41 E-MON CLASS 3200 METER 10.3.4 Display Hold Feature You can “lock” the scrolling display so that it will stay locked on any one of the seven screens. To stop the display from scrolling, complete the following steps: 1. Press the UP and DOWN buttons to choose which of the six screens you would like to display.

  • Page 42: High Voltage Metering

    To convert the 0~5 amp signal to a 0~ 2 volt signal, Honeywell’s Current Sensors are installed on the CT secondary conductor. A set of 25 amp sensors is used in this application.
  • Page 43 E-MON CLASS 3200 METER PASS PASS PASS PASS PASS M34227 Fig. 28. High Voltage CTs. M34228 Fig. 29. Wiring Diagram For 3-wire High Voltage Circuits. 62-0397—02...
  • Page 44 The high voltage CT secondary is installed as a continuous “loop”, with a single lead connected to both secondary terminals. Honeywell E-Mon meters accept a 0~2 volt signal from their Current Sensors. To convert the 0~5 amp signal, the Current Sensors are installed on the CT secondary lead.

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