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Measurlogic DTS SMX Install Manual Download Page 19

 

 
©Measurlogic

 

Page 19

 

MQ0051-20F 

 

7334 S. Alton Way, Centennial CO 80112 

Tel: 877-777-6567 Tel: 303-805-5252 Fax: 425-799-4780 

e-mail: [email protected] 

web: www.measurlogic.com

 

 

 

5

 

DTS SMX COMMUNICATIONS INTERFACE 

 

The DTS SMX has either a Serial or Ethernet TCP/IP communications interface depending on the model ordered.  
Protocols that are supported are: 

 

•

 

Modbus RTU (RS-485) 

 

•

 

BACnet MS/TP (RS-485) 

 

•

 

LonWorks (FT-10) 

 

•

 

Modbus TCP 

(Ethernet) 
 

•

 

BACnet/IP (Ethernet) 

 

•

 

SNMP (Ethernet) 

 

•

 

DNP3 (Ethernet) 

 

 

 

5.1

 

RS-485 2-Wire Communications 

 

The RS-485 port communicates using either the Modbus RTU 

or

 

BACnet MS/TP protocol, 

depending on the model ordered

.  

Connection is made by means of a pluggable 3-way screw terminal 
that accepts up to 2.5 mm

2

 (12AWG) wire.  Suggested 

communications wire is 18-22 AWG twisted-pair shielded cable.  To 
connect multiple DTS SMX meters on the same RS-485 

communications bus, the meters should be daisy-chained together.   
 

Do not connect the meters in a STAR, RING, or other wiring topology 

that is not a daisy-chained BUS

.

 

 

•

 

Modbus RTU Default Communications Settings:

  

 

Unless otherwise stated through correspondence or specified on the label of the DTS SMX unit, default 
communications parameters for Modbus RTU over RS-485 2-wire communications are  
 

Modbus Address: 100, Baud Rate: 9600, Parity: None, Data Bits: 8, Stop Bits: 1.   
 

This is notated as 9600,N,8,1 100.   
 

This factory default is denoted as all DIP switches OFF and is how each DTS SMX is shipped (See 

Section 

5.3.1 

below). 

 

•

 

BACnet MS/TP Default Communications Settings:

  

 
Unless otherwise stated through correspondence or specified on the label of the DTS SMX unit, default 

parameters are  
 
BACnet MAC Address & Device ID: 100, Baud Rate 38400, Parity: None, Data Bits: 8, Stop Bits: 1.   

 
This is notated as 38400,N,8,1.   

 
This is denoted as SW1-1 ON and SW1-2 through 8 switches OFF and is how each DTS SMX is shipped (See 

Section 5.3.1 

below). 

Serial RS-485 2-Wire Port 

Summary of Contents for DTS SMX

Page 1: ...Q0051 20F 7334 S Alton Way Centennial CO 80112 Tel 877 777 6567 Tel 303 805 5252 Fax 425 799 4780 e mail info measurlogic com web www measurlogic com DTS SMX Surface mounting outdoor rated Revenue grade electrical sub meter ...

Page 2: ... the CTs from Multiple Loads to the 333mV CT Daughter Board 13 3 4 5 AMP SECONDARY CT DAUGHTER BOARD 14 3 5 DTS SMX DIGITAL I O CIRCUIT OPTIONAL 15 3 5 1 Digital Outputs 15 3 5 2 Digital Inputs 15 4 MAINTENANCE AND SERVICE 15 4 1 VOLTAGE FUSES 16 4 1 1 Voltage Fuse Specifications 16 4 1 2 Fuse Location and Replacement 16 4 2 BATTERY 17 4 2 1 Battery Specifications 17 4 2 2 Battery Location and Pla...

Page 3: ...d is certified to ANSI C12 20 Class 0 5 Revenue Grade Whether communicating via an RS 485 or Ethernet connection the DTS SMX supports most accepted protocols including Modbus RTU Modbus TCP BACnet MS TP BACnet IP SNMP DNP 3 00 or LonWorks Also if in the future you decide to integrate renewable energy sources the DTS SMX will conveniently operate as a Bi Directional NET meter Easily integrates with...

Page 4: ...t in permanent damage to the DTS Meter DTS SMX Ax xx x F xx 1 3 1 Current Inputs Current Inputs Value Description Notes A 3 333mV CT Any 333mV CT is acceptable 5 1 Amp or 5 Amp CT User supplied shorting blocks are required with these CT s 9 Unburdened CT Only use the CT s that came with the unit Note Make sure that the DIP Switch settings on the DTS SMX are set to the correct CT Primary See sectio...

Page 5: ...scribe how to interact with each of the features of the DTS SMX Note that not all features listed here are included with every DTS SMX Please refer to the model number to determine which features are included Voltage and CT connection Section 3 2 Page 10 Digital I O Section 3 5 Page 15 Serial Communications Section 5 1 Page 19 Ethernet Communications Section 5 2 Page 20 DIP Switch Setting Section ...

Page 6: ...e only UL or ETL listed current transformers ONLY USE CURRENT TRANSFORMERS THAT ARE SPECIFIED BY THE MODEL OF DTS SMX USE OF ANY OTHER CURRENT TRANSFORMER OTHER THAN THE ONE SPECIFIED BY THE DTS MODEL CAN RESULT IN PERMANENT DAMAGE TO THE DTS SMX Ensure that the in line fuses located on the main board of the DTS SMX are fitted and securely fastened Avoid any electrostatic discharge while dealing w...

Page 7: ...ENTION Make sure to follow the following mounting requirements and guidelines when mounting the DTS SMX When mounting the DTS SMX make sure to follow these guidelines Mount the DTS SMX as close as possible to the electrical panel being monitored Make sure there is at least 4 of space between the latch of the lid and any obstruction Make sure that the lid can fully open and close without any interf...

Page 8: ...ical panel Only UL or ETL rated conduits and glands should be used Only UL or ETL Current Transformers should be used A spade or ring lug termination is recommended for optimally secure voltage and current connections A UL or ETL certified circuit breaker or fused disconnect must be installed within easy reach of the DTS SMX The circuit breaker or fused disconnect must be marked as the disconnecti...

Page 9: ... easy to use voltage connection points and in line fuse connections ATTENTION Voltage connections should come from the same lines that the CT s will be connected to In line fuse clips See section 4 1 for fuse details Load Source A N B C Use appropriate breaker and wire for voltage connections See section 2 3 for reference If present terminate GROUND here If present terminate NEUTRAL here Silver Vo...

Page 10: ... two PTs WARNING Extreme care should be exercised with medium voltage applications The connection diagram shown below is a simplified connection diagram only Connect the PTs strictly according to national code and as recommended by the PT manufacturer In line fuse clips See section 4 1 for fuse details Load Source A N B C Primary fusing shown is illustrative only Actual fusing is normally an integ...

Page 11: ...CT ATTENTION Make sure that your model of DTS SMX is approved for the following wiring guidelines Note CTs should be connected to the same panel as the voltage connections 3 3 1 Single Phase 2 3 Wire Example 3 3 2 3 Phase with Optional Neutral Model Dependent Breaker Load A N B C Source Make sure CT arrows point TOWARDS the LOAD Load Source Breaker A N B C Make sure CT arrows point TOWARDS the LOA...

Page 12: ...V output Rogowski CTs cannot be connected in parallel All CT sensors must be of the same manufacturer model number and current rating A full set of CT sensors must be used for each load The pair of wires from the CT sensor to the screw terminal must be twisted All CT sensors must be terminated at the screw terminal A maximum of 3 loads can be monitored at once Contact Measurlogic if more than 3 lo...

Page 13: ...an easier way to connect up to three 3 CTs per phase to the DTS SMX meter The technical details in Section 3 3 3 also apply to this section ATTENTION Do NOT connect to the silver screws Terminate on the GREEN shorting connectors ONLY The silver screws must NOT be removed See Section 3 3 3 for CT Primary Settings Note CTs should be connected to the same panel as the voltage connections A B C A B C ...

Page 14: ...n board pre installed as seen in the diagram below ATTENTION Do NOT connect to the silver screws Terminate on the GREEN shorting connectors ONLY The silver screws must NOT be removed Note CTs should be connected to the same panel as the voltage connections Feed WHITE Wire through CTs on Main Board Terminate BLACK and WHITE wires on GREEN connectors Do NOT remove or connect wires to SILVER screws L...

Page 15: ...utputs if fitted may be used for pulsing or threshold triggers Suitable wire gauge for digital outputs is 18 22 AWG For longer distances 100ft use 18 AWG 3 5 2 Digital Inputs The DTS digital inputs on Ch1 and Ch2 marked DIGITAL I O on the silkscreen accept dry contacts or NPN open collector inputs and can be configured using DTS Config as level status inputs and or linked to a General Counter for ...

Page 16: ...d at 2A 600Vac for 480V systems or 2A 250V for 208V systems 4 1 2 Fuse Location and Replacement Remove the plastic safety cover from the fuses by unscrewing the plastic nuts located in figure 4 1a Remove the blown fuse from its holding clip and replace with the new fuse DO NOT wedge a flat head screwdriver or other type of device into the clip to remove the fuse This can damage the fuse clip Repla...

Page 17: ...iption Lithium Battery Non Rechargeable Primary 3V Coin 20 0mm Manufacturer Panasonic or equivalent Manufacturer Part Number CR2032 Nominal Voltage V 3 Nominal Capacity mAH 225 Continuous Standard Load mA 0 2 Operating Temperature C 30 60 4 2 2 Battery Location and Placement Figure 4 2b Battery Orientation The coin cell battery is located in the upper left on the main board of the DTS SMX as shown...

Page 18: ...ardous material and hazardous waste transportation and disposal requirements Please check your local and state regulations on how to properly dispose of your lithium coin cell batteries 4 2 4 First Aid If you get electrolyte in your eyes flush with water for 15 minutes without rubbing and immediately contact a physician If you get electrolyte on your skin wash the area immediately with soap and wa...

Page 19: ... RS 485 communications bus the meters should be daisy chained together Do not connect the meters in a STAR RING or other wiring topology that is not a daisy chained BUS Modbus RTU Default Communications Settings Unless otherwise stated through correspondence or specified on the label of the DTS SMX unit default communications parameters for Modbus RTU over RS 485 2 wire communications are Modbus A...

Page 20: ...its Quick Start Guide specific protocol documentation or MIB files for SNMP devices 5 3 Configuring the DIP Switches Communications Settings CT Ratings and Other Options The DTS SMX has two 8 way DIP switches that provide the user a simple and flexible interface for configuration The right hand side block of DIP switches SW1 are used to set up the device s address and baud rate for RS 485 interfac...

Page 21: ...terface instead Switch 2 1 2 2 Digital Output Mapping SW 2 1 SW 2 2 Mapping OFF OFF CONFIGURABLE OFF ON 1 pulse 0 1kWh ON OFF 1 pulse 0 5kWh ON ON 1 pulse 1 0kWh Default Positions 1 2 dictate the mappings for Digital Output 3 The table below represents the different settings If the switches are both set to the OFF position the digital output will be configurable through the communications interfac...

Page 22: ...play PCB itself MLB0010 C 1 Table printed on the silkscreen on the display PCB itself MLB0010 B The 4 switch positions SW2 3 SW2 4 SW2 5 and SW2 6 are used to set the CT Primary 16 options Switch 2 3 2 6 CT Primary Selection SW 2 3 SW 2 4 SW 2 5 SW 2 6 CT Primary OFF OFF OFF OFF CONFIGURABLE OFF OFF OFF ON 5 OFF OFF ON OFF 20 OFF OFF ON ON 50 OFF ON OFF OFF 100 OFF ON OFF ON 200 OFF ON ON OFF 400 ...

Page 23: ...n on a printed white sticker ALWAYS take precedence Switch 2 3 2 6 CT Primary Selection SW 2 3 SW 2 4 SW 2 5 SW 2 6 CT Primary OFF OFF OFF OFF CONFIGURABLE OFF OFF OFF ON 100 OFF OFF ON OFF 150 OFF OFF ON ON 200 OFF ON OFF OFF 300 OFF ON OFF ON 400 OFF ON ON OFF 450 OFF ON ON ON 500 ON OFF OFF OFF 600 ON OFF OFF ON 750 ON OFF ON OFF 800 ON OFF ON ON 900 ON ON OFF OFF 1000 ON ON OFF ON 1200 ON ON O...

Page 24: ... 50 OFF OFF ON ON OFF 75 OFF OFF ON ON ON 100 OFF ON OFF OFF OFF 125 OFF ON OFF OFF ON 150 OFF ON OFF ON OFF 200 OFF ON OFF ON ON 250 OFF ON ON OFF OFF 300 OFF ON ON OFF ON 400 OFF ON ON ON OFF 450 OFF ON ON ON ON 500 ON OFF OFF OFF OFF 600 ON OFF OFF OFF ON 750 ON OFF OFF ON OFF 800 ON OFF OFF ON ON 900 ON OFF ON OFF OFF 1000 ON OFF ON OFF ON 1200 ON OFF ON ON OFF 1500 ON OFF ON ON ON 1600 ON ON ...

Page 25: ...fig is a program used to easily monitor and configure meters from the DTS family from your local PC or across the LAN Download the latest version of DTS Config from http www measurlogic com software drivers Alternatively an e mail can be sent to info measurlogic com to request the latest version of DTS Config Access the DTSConfigSetup file to begin the installation process Follow the instructions ...

Page 26: ...ogic com web www measurlogic com The following is a typical diagram showing connections of one or more DTS SMX meters to a Master Application 7 2 DTS SMX to Server Unit 1 Unit 2 Unit X Red Wire Green Wire Gnd or Shield Black Wire 18 24 AWG 2 wire shielded cable Serial to Ethernet Converter Unit 1 Unit 2 Unit X 1 or more Server Applications ...

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