Trane E50 Series Installation, Operation And Maintenance Manual
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Trane E50 Series Installation, Operation And Maintenance Manual

Compact power and energy meter
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Installation, Operation, and Maintenance
E50 Series
Compact Power and Energy Meter
Modbus E50C2-T2
for use with Split Core and Solid Core CTs
PN: X13690277002
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
April 2021
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
B B A A S S - - S S V V X X 0 0 7 7 3 3 C C - - E E N N

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  • Page 1 Installation, Operation, and Maintenance E50 Series Compact Power and Energy Meter Modbus E50C2-T2 for use with Split Core and Solid Core CTs PN: X13690277002 S S A A F F E E T T Y Y W W A A R R N N I I N N G G Only qualified personnel should install and service the equipment.
  • Page 2 Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
  • Page 3 I I n n t t r r o o d d u u c c t t i i o o n n W W A A R R N N I I N N G G P P r r o o p p e e r r F F i i e e l l d d W W i i r r i i n n g g a a n n d d G G r r o o u u n n d d i i n n g g R R e e q q u u i i r r e e d d ! ! F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w c c o o d d e e c c o o u u l l d d r r e e s s u u l l t t i i n n d d e e a a t t h h o o r r s s e e r r i i o o u u s s i i n n j j u u r r y y .

  • Page 4: Table Of Contents

    Table of Contents Product Identification, Specifications, and Data Outputs ..... . . 5 Unit Dimensions ............. 7 Product Diagram and Screen Display .

  • Page 5: Product Identification, Specifications, And Data Outputs

    Product Identification, Specifications, and Data Outputs Product Identification Model: E50C2-T2 Description: Modbus output, full data set Output: Pulse, RS-485, Alarm Measurement Accuracy Real Power and Energy: IEC 62053-22 Class 0.2S, ANSI C12.20 0.2% Reactive Power and Energy: IEC 62053-23 Class 2, 2% 0.4% (+0.015% per °C deviation from 25°C) from 5% to 100% of range;...
  • Page 6 P P r r o o d d u u c c t t I I d d e e n n t t i i f f i i c c a a t t i i o o n n , , S S p p e e c c i i f f i i c c a a t t i i o o n n s s , , a a n n d d D D a a t t a a O O u u t t p p u u t t s s Mechanical Characteristics: Weight: 0.62 LB.

  • Page 7: Unit Dimensions

    P P r r o o d d u u c c t t I I d d e e n n t t i i f f i i c c a a t t i i o o n n , , S S p p e e c c i i f f i i c c a a t t i i o o n n s s , , a a n n d d D D a a t t a a O O u u t t p p u u t t s s Unit Dimensions 1.8 in (45mm)

  • Page 8: Product Diagram And Screen Display

    P P r r o o d d u u c c t t I I d d e e n n t t i i f f i i c c a a t t i i o o n n , , S S p p e e c c i i f f i i c c a a t t i i o o n n s s , , a a n n d d D D a a t t a a O O u u t t p p u u t t s s Product Diagram and Screen Display X2 X1 X2 X1 X2 X1 (X2)

  • Page 9: Installation

    Installation Read the following guidelines before starting installation. • Disconnect power prior to installation. • Reinstall any covers displaced during installation before re-powering unit. • Mount the meter in an appropriate electrical enclosure near equipment to be monitored. • Do not install the load side of a variable frequency drive (VFD). Mount the meter using one of the following two methods: 1.
  • Page 10 I I n n s s t t a a l l l l a a t t i i o o n n b. Use three (3) #8 screws (not supplied) to mount the meter to the insdie of the enclosure. Clip flush with outside edge Snap onto...

  • Page 11: Supported Systems

    Supported Systems The meter has a number of different possible system wiring configurations (Refer to the table below and next section, Wiring Diagrams). To configure the meter, set the System Type via the User Interface, Modbus register 130. The system type tells the meter which of its current and voltage inputs are valid, which are to be ignored, and if neutral is connected.

  • Page 12: Wiring

    Wiring Wiring Symbolism Refer to the following symbols used in the wiring diagrams. Voltage Disconnect Switch Fuse Note: Installer is responsible for ensuring compliance with local requirements. Earth Ground Current Transducer Potential Transformer Protection containing a voltage disconnect switch with a fuse or disconnect circuit breaker.
  • Page 13 W W i i r r i i n n g g W W A A R R N N I I N N G G E E l l e e c c t t r r i i c c a a l l S S h h o o c c k k , , E E x x p p l l o o s s i i o o n n , , o o r r A A r r c c F F l l a a s s h h H H a a z z a a r r d d ! ! F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w t t h h e e s s e e i i n n s s t t r r u u c c t t i i o o n n s s c c o o u u l l d d r r e e s s u u l l t t s s i i n n d d e e a a t t h h o o r r s s e e r r i i o o u u s s i i n n j j u u r r y y .

  • Page 14: Wiring Diagrams

    W W i i r r i i n n g g Wiring Diagrams Figure 1. 1–Phase and 3–Phase Diagrams L1 L2 N L1 White White Black Black #1: 1-Phase, Line-to-Neutral, 2-Wire System, 1 CT #2: 1-Phase, Line-to-Line, 2-Wire System, 1 CT Use System Type 10 (1L+1n) Use System Type 11 (2L) L1 L2 L3...

  • Page 15: Fuse Recommendations

    Provide over-current protection and disconnecting means to protect the wiring. N N o o t t e e : : . For AC installations, use Trane AH04 or equivalent. For DC installations, provide external circuit protection. Suggested: 0.5A, time delay fuses rated for DC operation at or above the supply voltage •...

  • Page 16: Navigating Screens And Setting Parameters

    Navigating Screens and Setting Parameters These instructions assume the meter is set to factory defaults. If it has been previously configured, all optional values should be checked. Buttons (Up) Select (Left) (Right) Back Next (Down) Select 1. Press the + or – button repeatedly until S S E E T T U U P P screen displays. 2.

  • Page 17: Solid State Output

    Solid State Output The E50C2-T2 have one (1) normally open (NO) KY Form A output and one (1) normally closed (N.C.) output.* One is dedicated to energy (Wh), and the other to Alarm. *Over-current Protective Device (Not Supplied) ≤ 100 mA ** Power Supply 3-30 Vdc 6-30 Vac...

  • Page 18: User Interface

    User Interface The user can set the display mode to either IEC or IEEE notation in the SETUP menu. Table 1. User Interface Menu Abbreviations Main Menu Main Menu IEEE Description IEEE Description Demand F ERR F ERR Frequency Error Maximum I OVR I OVR...
  • Page 19 U U s s e e r r I I n n t t e e r r f f a a c c e e Figure 3. Data Configuration BAS-SVX073C-EN...
  • Page 20 U U s s e e r r I I n n t t e e r r f f a a c c e e Figure 4. Alert and Reset Information BAS-SVX073C-EN...
  • Page 21 U U s s e e r r I I n n t t e e r r f f a a c c e e Figure 5. User Interface for Setup BAS-SVX073C-EN...
  • Page 22 U U s s e e r r I I n n t t e e r r f f a a c c e e Figure 6. User Interface for Setup (continued) BAS-SVX073C-EN...

  • Page 23: Rs-485 Communications

    RS-485 Communications The RS-485 secondary port allows the power meter to be connected in a daisy chain with up to 63, 2–wire devices. Shielded Wire terminators on the rst/last devices of daisy chain Notes: • The voltage and current ratings on the terminals are compliant with the requirements of the EIA RS-485 communications standard.

  • Page 24: Standard Modbus Default Settings

    Standard Modbus Default Settings Setting Value Modbus Register Setup Password 00000 — Reset Password 00000 — System Type 40 (3+N) Wye CT Primary Ratio (only if CTs are not 100 amp included) CT Secondary Ratio 1 volt PT Ratio 1:1 (none) System Voltage 600 V L-L Maximum Theoretical Power (Analog...

  • Page 25: Modbus Point Mapping

    Modbus Point Mapping The E50C2-T2 Full Data Set (FDS) features data outputs such as demand calculations, per phase VA and VAR, and VAh VARh accumulators. For security reasons, configuration and resets on all E50 models are protected by a user configurable passcode. The meter supports variable CTs and PTs, allowing a much wider range of operation from 90V x 5A up to 32000V x 5000A.
  • Page 26 M M o o d d b b u u s s P P o o i i n n t t M M a a p p p p i i n n g g The following table lists the addresses assigned to each data point. For floating point format variables, each data point appears twice because two 16-bit addresses are required to hold a 32- bit float value.

  • Page 27: Modbus Point Mapping

    M M o o d d b b u u s s P P o o i i n n t t M M a a p p p p i i n n g g Modbus Point Mapping BAS-SVX073C-EN...
  • Page 28 M M o o d d b b u u s s P P o o i i n n t t M M a a p p p p i i n n g g BAS-SVX073C-EN...
  • Page 29 M M o o d d b b u u s s P P o o i i n n t t M M a a p p p p i i n n g g BAS-SVX073C-EN...
  • Page 30 M M o o d d b b u u s s P P o o i i n n t t M M a a p p p p i i n n g g BAS-SVX073C-EN...
  • Page 31 M M o o d d b b u u s s P P o o i i n n t t M M a a p p p p i i n n g g BAS-SVX073C-EN...
  • Page 32 M M o o d d b b u u s s P P o o i i n n t t M M a a p p p p i i n n g g BAS-SVX073C-EN...

  • Page 33: Troubleshooting

    Troubleshooting Problem Cause Solution maintenance wrench icon There is a problem with the inputs Refer to the Alert sub-menu or Diagnostic Alert Modbus appears in the to the power meter. Register 146. power meter display. The display is • Verify that the meter control power are receiving the The meter is not receiving adequate blank after required voltage.

  • Page 34: China Rohs Compliance

    China RoHS Compliance Hazardous Substances Cr, VI Part Name PBDE Electronic X indicates that concentration of hazardous substance in at least one of the homogeneous materials used for this part is above the limit as stipulated in GB/T 26572. O indicates that the concentration of hazardous substance in all of the homogeneous materials for this part is below the limit as stipulated in GB/T 26572.

  • Page 35: Additional Resources

    E50 Series Compact Power and Energy Meter, BACnet (E50H2-T2) and M M o o d d b b u u s s ( ( E E 5 5 0 0 C C 2 2 - - T T 2 2...
  • Page 36 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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