Quest Controls TELSEC MP2x User Manual
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Quest Controls TELSEC MP2x User Manual

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TELSEC® MP2x
User Guide
Rev 2.1 10/21/21

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Summary of Contents for Quest Controls TELSEC MP2x

  • Page 1 TELSEC® MP2x User Guide Rev 2.1 10/21/21...
  • Page 2 CRITICAL APPLICATIONS DISCLAIMER QUEST PRODUCTS ARE NOT INTENDED OR AUTHORIZED FOR USE IN ANY APPLICATION THAT REQUIRES FAIL-SAFE OPERATION, OR ANY SYSTEM THAT IS RESPONSIBLE FOR PROVIDING DETECTION, MONITORING OR CONTROL OF CRITICAL SAFETY, LIFESAVING OR LIFE-SUPPORT CONDITIONS, FUNCTIONS OR OPERATIONS (INCLUDING BUT NOT LIMITED TO FIRE DETECTION, ALARMING, OR SUPPRESSION), OR ANY APPLICATION WHEREIN A FAILURE OR MALFUNCTION OF THE PRODUCT MAY LEAD TO SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE, PERSONAL INJURY OR DEATH.
  • Page 3 Revision History Date Rev # Modifications 10/21/21 Changed MP2x images K. Nickel 10/18/21 Updated Modbus register map and added sections 5 & 6 K. Nickel 1/27/21 Initial release K. Nickel Rev 2.1 10/21/21...

  • Page 4: Table Of Contents

    Table of Contents Overview ............................... 1 Getting Started ..........................1 Product Specifications ........................... 2 Installation ............................3 Mounting the MP2x ........................3 Powering and Grounding ......................3 Wiring inputs ..........................4 Wiring for Modbus ........................6 Line Termination ........................... 7 Line Polarization ..........................

  • Page 5: Overview

    1 Overview ® The TELSEC MP2x is an expansion module that can be added to an MP2 to increase the number of points available for monitoring and controlling a facility. Up to fifteen MP2x units can be connected to an MP2 using an RS485 network. The MP2x is a Modbus device that can be queried for data from any Modbus primary polling device using Modbus RTU protocol.

  • Page 6: Product Specifications

    2 Product Specifications Specifications Part number: 151088-32 ▪ Inputs: 32 universal inputs supporting 0-5 VDC, 4-20 mA, thermistor & contact closure ▪ Outputs: 4 form C digital outputs. Contact rating: 0.5 A @ 60 VDC ▪ Serial interface: RS485 serial port ▪...

  • Page 7: Installation

    3 Installation All local and national electrical safety codes (NESC®) must be followed when installing the MP2x. If there is any contradiction in this manual and those standards, then the installer must follow the local ® and national codes. Use copper conductors only. The TELSEC MP2x is designed for mounting on a wall or within a rack.

  • Page 8: Wiring Inputs

    3.3 Wiring inputs Wire each input to be used between the input terminal (1-32) and a common terminal (C). There is a common terminal available for every two inputs available for termination. The MP2x does not provide power for sensor operation thus any device requiring power will need an external power source to operate properly.
  • Page 9 Sensor Output 24 VDC Power supply TEMP Common Ground Reference Sensor Power Figure 3 - Wiring Voltage Sensors 3.3.3 Current Sensors ® The TELSEC MP2x can read and scale any linear current input from 0 to 20 mA. An external 249-ohm resistor (recommend 1% tolerance) is required to convert the signal to voltage and will require an external voltage source to power the sensor.

  • Page 10: Wiring For Modbus

    3.3.4 Contact Closures ® The TELSEC MP2x supports dry contact closures or wet contacts up to 65 VDC. A wet contact is an input where there is an external voltage present. A dry contact has no voltage present and the MP2x provides the sensing voltage.

  • Page 11: Line Termination

    8. At the MP2, connect the cable shield to the protective (protected) earth ground. The cable shields must not be connected to earth ground anywhere else in the cabling network except at this point. Ground Shield at MP2 ground post Figure 6 - Modbus Wiring MP2 to MP2x 3.5 Line Termination 1.

  • Page 12: Wiring Outputs

    3.7 Wiring Outputs There are four form C relays available for control of external devices based upon alarm conditions or time schedules. Place wire between the common and normally open or normally closed terminals for each output on the MP2x. The relays are designed for Class 2 wiring and are rated for a maximum of 1 amp at 24VAC or 30VDC, 0.3 A @ 60VDC.

  • Page 13: Configuring The Mp2X

    will see both the power LED and Alarm LED flash simultaneously every second. After a few seconds, the alarm (red)LED will be illuminated solidly. Release the cold start switch once the alarm LED is on solid. 5 Configuring the MP2x The MP2x is designed to work without any programming requirements.
  • Page 14 for Modbus, 9600 baud and 8-N-1 (these are the MP2 defaults). Press Save Settings and wait for the system to restart. 3. Go to Program/Modbus (Port #) where # is the port number you just configured. 4. Create a new Device by clicking on the Add new device button. Enter the address of 247 and give the device a name.
  • Page 15 7. Repeat step 5 for any additional registers you want to change such as baud rate or data mode. These settings typically don’t need to be changed unless you have other devices on the Modbus 485 network that need to operate at different settings. Note: all devices must have the same baud rate and data mode setting but have a unique address.

  • Page 16: Input Register Map

    10. The MP2x will now respond at the new address. If you have multiple MP2x units, you can repeat these steps turning them on (or connecting them to the MP2) one at a time and change the address. After completion, you can remove address 247 from the system if it is not going to be used.

  • Page 17: Voltage And Current Transducers

    6.2 Voltage and Current Transducers Connect the voltage or current transducer to the MP2x and then define the Modbus point in the MP2 using the Modbus register map for “Input values as counts from the adc output. See the notes section where the number of counts vary based upon the type of transducer and load resistor (for mA sensors) used.

  • Page 18: Digital Inputs

    6.3 Digital Inputs Inputs on the MP2x that are digital inputs whether they are dry contact closures or wet can be connected to the unit and then defined for polling in the MP2x. Digital inputs can be either dry normally open, dry normally closed, wet normally open or wet normally closed.

  • Page 19: Appendix A - Modbus Register Table

    Appendix A – Modbus Register Table Analog Input Table To read the raw output of the A to D converter in Thermistor Mode Function Code Register Description Read/Write Notes Input 1 Raw Thermistor Input 2 Raw Thermistor Input 3 Raw Thermistor Input 4 Raw Thermistor Input 5 Raw Thermistor Input 6 Raw Thermistor...
  • Page 20 To read the inputs in Fahrenheit as an integer Function Code Register Description Read/Write Notes Input 1 tempF Input 2 tempF Input 3 tempF Input 4 tempF Input 5 tempF Input 6 tempF Input 7 tempF Input 8 tempF Input 9 tempF Input 10 tempF Input 11 tempF Input 12 tempF...
  • Page 21 To read the inputs in Fahrenheit as a floating-point number Function Code Register Description Read/Write Notes Input 1 tempF Input 2 tempF Input 3 tempF Input 4 tempF Input 5 tempF Input 6 tempF Input 7 tempF Input 8 tempF Input 9 tempF Input 10 tempF Input 11 tempF...
  • Page 22 To read the inputs in Celsius as an integer Function Code Register Description Read/Write Notes Input 1 tempC Input 2 tempC Input 3 tempC Input 4 tempC Input 5 tempC Input 6 tempC Input 7 tempC Input 8 tempC Input 9 tempC Input 10 tempC Input 11 tempC Input 12 tempC...
  • Page 23 To read the inputs in Celsius as a floating-point number Function Code Register Description Read/Write Notes Input 1 tempC Input 2 tempC Input 3 tempC Input 4 tempC Input 5 tempC Input 6 tempC Input 7 tempC Input 8 tempC Input 9 tempC Input 10 tempC Input 11 tempC...
  • Page 24 Input values as counts from the adc output - Use for 0-6VDC or 0-20mA Transducers Function Code Register Description Read/Write Notes Input 1 Raw Counts Input 2 Raw Counts Input 3 Raw Counts Input 4 Raw Counts Input 5 Raw Counts Input 6 Raw Counts Input 7 Raw Counts Input 8 Raw Counts...
  • Page 25 Digital Input Table Inputs that are dry contact closures wired normally open Function Code Register Description Read/Write Notes Input 1 DryNO Status Input 2 DryNO Status Input 3 DryNO Status Input 4 DryNO Status Input 5 DryNO Status Input 6 DryNO Status Input 7 DryNO Status Input 8 DryNO Status Input 9 DryNO Status...
  • Page 26 Inputs that are dry contact closures wired normally closed Function Code Register Description Read/Write Notes Input 1 DryNC Status Input 2 DryNC Status Input 3 DryNC Status Input 4 DryNC Status Input 5 DryNC Status Input 6 DryNC Status Input 7 DryNC Status Input 8 DryNC Status Input 9 DryNC Status Input 10 DryNC Status...
  • Page 27 Inputs that are wet contact closures (external voltage 0-60VDC) wired normally open Function Code Register Description Read/Write Notes Input 1 WetNO Status Input 2 WetNO Status Input 3 WetNO Status Input 4 WetNO Status Input 5 WetNO Status Input 6 WetNO Status Input 7 WetNO Status Input 8 WetNO Status Input 9 WetNO Status...
  • Page 28 Inputs that are wet contact closures (external voltage 0-60VDC) wired normally closed Function Code Register Description Read/Write Notes Input 1 WetNC Status Input 2 WetNC Status Input 3 WetNC Status Input 4 WetNC Status Input 5 WetNC Status Input 6 WetNC Status Input 7 WetNC Status Input 8 WetNC Status Input 9 WetNC Status...
  • Page 29 Outputs Registers Function Code Register Description Read/Write Notes Output 1 Status Read coil/output Output 2 Status (FC1)/(FC5) 0 off, 1 on Output 3 Status (FC15) for write multiple Output 4 Status Control Registers Function Code Register Description Read/Write Notes Slave Address 1-247 Default 247 Enumerated:...

  • Page 30: Appendix B - Sd Card Update

    Appendix B – SD Card Update Overview ® The TELSEC MP2x can be upgraded using a standard SD memory card. Use this procedure when you need upgrade the system. Please contact Quest prior to performing the upgrade if you have any questions or concerns regarding the upgrade files and or process.

  • Page 31: Contact Information

    Contact Information Website: www.questcontrols.com Email: General information: info@questcontrols.com Technical support: CustomerService@questcontrols.com Mailing Address: Quest Controls, Inc. 208 9th Street Dr. West, Palmetto FL 34221 Key Phone Numbers Main Number: (941) 729-4799 Fax: (941) 729-5480 Place Orders or Check Scheduling & Delivery: (941) 729-4799, option 3 Technical &...

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