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Trane Tracer MP581 Hardware Installation

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CNT-SVN01C-EN

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Summary of Contents for Trane Tracer MP581

  • Page 1 Hardware Installation ™ Tracer MP581 Programmable Controller CNT-SVN01C-EN...
  • Page 3 Hardware Installation ™ Tracer MP581 Programmable Controller CNT-SVN01C-EN November 2005...
  • Page 4 Although Trane has tested the hardware and software described in this guide, no guarantee is offered that the hardware and software are error free. 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 5 Revision history Document number Description and date CNT-SVN01C-EN • Binary output ratings corrected • EX2 best wiring practices added November 2005 • I/O wiring diagrams changed • Contrast adjustment note added • Important note regarding termination board grounding screw added Note: This document, in printed form or as an electronic file on a product CD, is accurate as of its publication date.
  • Page 6 NOTICE: Warnings and Cautions appear at appropriate sections throughout this manual. Read these carefully: WARNING Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.

  • Page 7: Table Of Contents

    Agency listings/compliance ........4 Tracer MP581 controller........4 Expansion module .
  • Page 8 Contents Wire routing..........18 Providing low-voltage power for inputs and outputs.
  • Page 9 Comm LED ..........47 Wiring Comm5 to the Tracer MP581 ......48 EMI/RFI considerations.
  • Page 10 Contents Universal inputs ......... 77 Binary outputs.

  • Page 11: Chapter 1 Overview

    Nearly any control process with an execution frequency of one second • or greater Specifications The Tracer MP581 conforms to the specifications shown in Table 1. Table 1. Tracer MP581 specifications Dimensions 16.5 in. × 14.75 in. × 5.5 in.

  • Page 12: Additional Components

    Resistance temperature detectors (up to four) • Motion sensors, time clocks, and other binary switch devices • The Rover service tool is required to configure Tracer MP581 inputs for all types of sensors. Note: The Tracer MP581 supports all Trane zone sensors but does not support fan switches (HIGH, MED, LOW, AUTO, and OFF).

  • Page 13: Ex2 Expansion Modules

    Additional components EX2 expansion modules You can add up to four EX2 expansion modules to a Tracer MP581 controller. Each expansion module adds the following points to a Tracer MP581: Six universal inputs • Four binary outputs • Four analog outputs •...

  • Page 14: Agency Listings/Compliance

    Chapter 1 Overview Agency listings/compliance This section lists compliance with Conformity European (CE) and Under- writers Laboratories (UL) standards. Tracer MP581 controller CE—Immunity: EN 50090-2-2:1996 CE—Electromagnetic emissions: EN 50090-2-2:1996 EN 61000-3-2:1995 EN 61000-3-3:1995 UL and C-UL listed—Energy management system UL 916...

  • Page 15: Inspection Upon Receipt

    Note: The four #8 (4 mm) screws required to mount the frame- mounted Tracer MP581 are not supplied. Required tools To install the Tracer MP581 controller and check it for proper operation, you will need the following tools: Drill •...
  • Page 16 Chapter 1 Overview CNT-SVN01C-EN...

  • Page 17: Chapter 2 Installing The Frame-Mounted Tracer Mp581

    Installing the frame-mounted Tracer MP581 This chapter applies only to the frame-mounted Tracer MP581 controller. You can use the frame-mounted Tracer MP581 to replace older controllers in existing equipment or to mount in new equipment or custom enclosures. Enclosure requirements...

  • Page 18: Installing The Termination Board

    Chapter 2 Installing the frame-mounted Tracer MP581 Installing the termination board To install the termination board in a separately purchased enclosure or in other equipment: 1. Remove the controller from its packaging and separate the top and bottom frames. 2. Using the bottom frame (with the termination board) as a template, mark the location of the four mounting holes on the mounting surface (see Figure 4).

  • Page 19: Chapter 3 Mounting The Enclosure

    CAUTION Equipment damage! Install the Tracer MP581 in a location that is out of direct sunlight. Fail- ure to do so may cause the Tracer MP581 to overheat. Operating environment requirements Make sure that the operating environment conforms to the specifications listed in Table 2.

  • Page 20: Clearances

    Make sure that the mounting location has enough room to meet the mini- mum clearances shown in Figure 5. Figure 6 on page 11 shows the dimen- sions of the Tracer MP581 enclosure. Figure 5. Minimum clearances for enclosure 12 in. (30 cm) 24 in.
  • Page 21 Selecting a mounting location Figure 6. Tracer MP581 enclosure dimensions Top view Left view Front view Right view Bottom view Note: Six of the twelve knockouts are dual-sized knockouts for 1-inch (25 mm) and 0.75-inch (19 mm) conduit. CNT-SVN01C-EN...

  • Page 22: Mounting The Enclosure

    Chapter 3 Mounting the enclosure Mounting the enclosure The back of the enclosure is shipped with the termination board installed inside of it. IMPORTANT The termination board should be shipped with the grounding screw installed. Verify this by checking the location shown in Figure 7. The enclosure door is shipped separately.

  • Page 23: Chapter 4 Wiring High-Voltage Ac Power

    Enclosure, 230 Vac, with operator display, CE-compliant BMTM000CA0A0 Frame-mounted, 24 Vac, CE-compliant Circuit requirements To ensure proper operation of the Tracer MP581, install the power supply circuit in accordance with the following guidelines: The Tracer MP581 must receive high-voltage power from a dedicated •...

  • Page 24: Wiring High-Voltage Power

    Unit terminals are designed to accept copper conductors only. Other conductors may cause equipment damage. IMPORTANT Make sure that you have the correct Tracer MP581 model for 120 Vac or 230 Vac. Table 3 on page 13 lists the available models. To connect high-voltage power wires: 1.
  • Page 25 Wiring high-voltage power 6. Connect the line wire to the L terminal as shown in Figure 9. Figure 9. Terminal block for high-voltage power wires Conduit Ground wire to ground screw Line wire to L terminal Neutral wire to N terminal 7.
  • Page 26 Chapter 4 Wiring high-voltage ac power CNT-SVN01C-EN...

  • Page 27: Chapter 5 Wiring Inputs And Outputs

    Chapter 5 Wiring inputs and outputs The Tracer MP581 enclosure is designed to simplify the wiring and con- figuration of inputs and outputs by providing a large space for routing wires and by eliminating the need to manipulate jumpers. Table 4 lists Tracer MP581 inputs and outputs.

  • Page 28: Wire Routing

    Chapter 5 Wiring inputs and outputs Wire routing Figure 10 shows how to route input/output wires through the enclosure. It also shows the locations of wire-tie brackets. See Figure 6 on page 11 for knockout locations and dimensions. Metal conduit may be required by local codes when running input/output wires.

  • Page 29: Providing Low-Voltage Power For Inputs And Outputs

    Providing low-voltage power for inputs and outputs The Tracer MP581 controller can provide low-voltage power to inputs and outputs. Figure 11 on page 20 shows the location of the low-voltage screw terminals on the termination board. The following limitations apply: Four 24 Vdc screw terminals supply a total of up to 250 mA of power.

  • Page 30: Screw-Terminal Locations

    Chapter 5 Wiring inputs and outputs Screw-terminal locations Figure 11 shows screw-terminal locations on the termination board. The top row of screw terminals is for signal wires, and the bottom row of screw terminals is for common wires. To make sure that the wires lie flat, use the wire strip guide on the termination board to strip input/output wires to the correct length.

  • Page 31: Wiring Universal Inputs

    Wiring universal inputs Wiring universal inputs The Tracer MP581 controller has 12 universal inputs. Use the Rover ser- vice tool to configure inputs for analog or binary operation. The common terminals on the Tracer MP581 termination board are con- nected to the metal enclosure by means of a ground screw. Shield wires should be connected to a common terminal.

  • Page 32: Wiring 0-10 Vdc Analog Inputs

    Chapter 5 Wiring inputs and outputs Wiring 0–10 Vdc analog inputs Common 0–10 Vdc analog inputs include indoor air-quality sensors and pressure sensors. To wire a 0–10 Vdc analog input: 1. Use the shield wire as the common connection, connecting it to a com- mon terminal at the sensor and at the termination board (see Figure 13).

  • Page 33: Wiring 0-20 Ma Analog Inputs

    Wiring universal inputs Wiring 0–20 mA analog inputs Common 0–20 mA analog inputs include humidity sensors and pressure sensors. To wire a 0–20 mA analog input: 1. For three-wire applications, use a 3-conductor cable with a shield. . For two-wire applications, use a 2-conductor cable with a shield. Con- nect the shield to a common terminal at the termination board and tape it back at the sensor (see Figure 14).

  • Page 34: Wiring Variable Resistance Analog Inputs

    (RTDs), and setpoint thumbwheels on zone sensors. IMPORTANT The Tracer MP581 controller can accept RTDs only on inputs 1–4. To wire a variable resistance analog input: 1. For three-wire applications, use a 3-conductor cable with a shield(see Figure 15). For two-wire applications, use a 2-conductor cable with a separate shield.

  • Page 35: Wiring Analog Outputs

    Wiring analog outputs Wiring analog outputs The Tracer MP581 controller has six analog outputs. These outputs can be either 0–10 Vdc outputs or 0–20 mA outputs. Analog outputs control actuators and secondary controllers. To wire an analog output: 1. For three-wire applications, use the shield wire as the common con- nection (see Figure 16).

  • Page 36: Wiring Binary Outputs

    Chapter 5 Wiring inputs and outputs Wiring binary outputs The Tracer MP581 controller has six binary outputs. These are powered outputs, not dry-contact outputs. IMPORTANT Use pilot relays for dry-contact outputs and when the load current is greater than 0.5 A. Use powered outputs when the load current is less than 0.5 A.

  • Page 37: Checking Inputs

    Checking inputs Checking inputs Follow the procedures in this section to test inputs for proper operation. IMPORTANT Perform the tests in this section before providing power to the termina- tion board or installing the main circuit board. Failure to do so will result in incorrect multi-meter readings.
  • Page 38 Chapter 5 Wiring inputs and outputs Table 6. Temperature and resistance characteristics of sensors Thermistor Balco 375 Platinum 385 Platinum Temperature resistance RTD resistance RTD resistance RTD resistance (°F and °C) (Ω) (Ω) (Ω) (Ω) –30°F (–34°C) 241,071 –20°F (–29°C) 170,041 –10°F (–23°C)

  • Page 39: Checking Resistance Temperature Detector (Rtd) Inputs

    Checking inputs Checking resistance temperature detector (RTD) inputs To check RTD inputs for proper operation: 1. Make sure that the sensor is connected. 2. Set the multi-meter to measure Vac, then measure the voltage across the input at the signal and common screw terminals. The measured voltage should be less than 0.1 Vac.

  • Page 40: Checking Linear Resistance Inputs

    Chapter 5 Wiring inputs and outputs Checking linear resistance inputs To check linear resistance inputs for proper operation: 1. Make sure that the sensor is connected. 2. Set the multi-meter to measure Vac, then measure the voltage across the input at the signal and common screw terminals. The measured voltage should be less than 0.1 Vac.

  • Page 41: Checking Linear Current 0-20 Ma Inputs

    Checking inputs Checking linear current 0–20 mA inputs To check linear current inputs for proper operation: 1. Make sure that the sensor is connected and powered on. 2. Set the multi-meter to measure Vac, then measure the voltage across the input at the signal and common screw terminals. The measured voltage should be less than 0.1 Vac.

  • Page 42: Checking Outputs

    Chapter 5 Wiring inputs and outputs Checking outputs Follow the procedures in this section to test outputs for proper operation. IMPORTANT Perform the tests in this section before providing power to the termina- tion board or installing the main circuit board. Failure to do so will result in incorrect multi-meter readings.

  • Page 43: Checking 0-10 Vdc Analog Outputs

    Checking outputs Checking 0–10 Vdc analog outputs To check 0–10 Vdc analog outputs for proper operation: 1. Make sure that the actuator is connected but powered off. 2. Set the multi-meter to measure Vac, then measure the voltage across the analog output at the signal and common screw terminals. The measured voltage should be less than 0.1 Vac.

  • Page 44: Checking 0-20 Ma Analog Outputs

    Chapter 5 Wiring inputs and outputs Checking 0–20 mA analog outputs To check 0–20 mA analog outputs for proper operation: 1. Make sure that the actuator is connected but powered off. 2. Set the multi-meter to measure Vac, then measure the voltage across the analog output at the signal and common screw terminals.

  • Page 45: Chapter 6 Installing The Pressure Sensor

    Chapter 6 Installing the pressure sensor This chapter shows how to install a pressure sensor in the Tracer MP581 controller. To simplify installation of the pressure sensor, mount and wire it before wiring inputs and outputs. Mounting the pressure sensor...
  • Page 46 Chapter 6 Installing the pressure sensor 4. Run the high and low input tubes to an appropriate place in the duct. Figure 19. Wiring the pressure sensor Duct-static connector CNT-SVN01C-EN...

  • Page 47: Checking The Pressure Sensor

    Checking the pressure sensor Checking the pressure sensor You can check the pressure sensor for proper operation only after supply- ing power to the controller and installing the main circuit board. You will need a digital multi-meter to complete the check. To check the pressure sensor for proper operation: 1.
  • Page 48 Chapter 6 Installing the pressure sensor CNT-SVN01C-EN...

  • Page 49: Chapter 7 Wiring Comm5 Links

    (BAS) and other LonTalk Comm5 controllers through a Comm5 communication link. This chapter describes how wire Comm5 links. For more information on connecting a Tracer MP581 to a Tracer Summit BAS, see the Tracer Summit Hardware and Software Installation guide (BMTW-SVN01D-EN).

  • Page 50: Recommended Wiring Practices

    All wiring must comply with the National Electrical Code (NEC) and • local codes. Although Comm5 does not require polarity sensitivity, Trane GCS • recommends keeping polarity consistent throughout the site. Make sure that 24 Vac power supplies are consistent in how they are •...

  • Page 51: Wiring Requirements

    Level 4, twisted-pair wire. The wire can be either shielded or unshielded. However unshielded wire is recommended for most installations. You can also use low capacitance, 18-gauge, shielded, twisted-pair with stranded, tinned-copper conductors (Trane “purple” wire). The maximum wire length for Comm5 communication links is 4,500 ft (1,400 m).

  • Page 52: Termination Resistance Placement For Comm5 Links

    • the repeater requires termination resistors (see Figure 24 on page 43). Trane recommends that only one type of wire be used for the Comm5 • communication link. A set of as-built drawings or a map of the communication wire layout •...
  • Page 53 Device Device Device Figure Note: 105 Ω, 1%, 1/4 Watt for 22 AWG, Level 4 • 82 Ω, 1%, 1/4 Watt for 18 AWG, Trane “purple’ wire • Figure 24. Alternate daisy chain resistor placement Termination resistor Device Device...

  • Page 54: Comm5 Physical Link Repeater

    Chapter 7 Wiring Comm5 links Comm5 physical link repeater A Comm5 link repeater regenerates the signal on a Comm5 link. The con- figurations on either side of the repeater should be daisy chain. Both link segments require proper termination (see Figure 24). When is the link repeater required? A link repeater is required when: •...
  • Page 55 At each controller, splice shield wire and tape back to prevent grounding. Connect shield wire to earth ground at system panel and repeater. **The value of the termination resistor is dependent on the wire type: 105-ohm for 22 AWG, Level 4 wire and 82-ohm for 18 AWG, Trane “purple” wire. CNT-SVN01C-EN...

  • Page 56: Comm5 Zone Sensor Comm Jack

    *Termination resistors placed at the end of each link. The resistance value of the termination resistor is 105-ohm resistor for Level 4 wire at each end of the link. For Trane “purple” wire use an 82-ohm resistor at each end of the link. CNT-SVN01C-EN...

  • Page 57: Verifying Communication Status

    Verifying communication status Verifying communication status The information in this section will help you to interpret LED status lights on the Comm5 system panel. Comm LED The yellow Comm LED indicates the communication status of the Comm5 controller. Table 8 describes Comm LED activity. Table 8.

  • Page 58: Wiring Comm5 To The Tracer Mp581

    To wire the Comm5 link: 1. At the first Tracer MP581 on the link, complete the following steps: Connect the shield wire to a ground, either at a common terminal •...
  • Page 59 Wiring Comm5 to the Tracer MP581 Figure 29. Grounding on the main circuit board Shield wire 2. At the next Tracer MP581 (or other Comm5 controller) on the link: Connect the white wires to the first and third Comm5 screw ter- •...

  • Page 60: Emi/Rfi Considerations

    The Tracer MP581 is equipped with EMI/RFI filters that trap RFI to ground. In most situations, a good earth ground will reduce EMI/RFI problems by acting as a drain for EMI and RFI. If the Tracer MP581 is receiving or radiating interference, make sure that the earth ground is good.

  • Page 61: Sectioning The Shield On The Comm5 Link

    1. At the first Comm5 controller on the link, ground the shield to an earth ground. 2. Where the link enters the Tracer MP581, cut back and tape the shield. 3. Where the link leaves the Tracer MP581, ground the shield to an earth ground.
  • Page 62 Chapter 7 Wiring Comm5 links CNT-SVN01C-EN...

  • Page 63: Chapter 8 Installing The Circuit Board

    Chapter 8 Installing the circuit board The main circuit board is not installed in the Tracer MP581 enclosure when it ships. You can store the circuit board in the office while the enclo- sure is mounted and wired. After wiring has been completed, connect the circuit board to the termination board.
  • Page 64 Chapter 8 Installing the circuit board 4. Connect the 60-pin cable to the 60-pin slot, then connect the 20-pin cable to the 20-pin slot (see Figure 33 on page 53). The connectors fit only one way. If you have difficulty connecting them, make sure that the plastic grooves line up with the slots.
  • Page 65 Installing the circuit board Figure 35. Cable termination and Status LED locations 24 Vac power connector LEDs Operator-display connector CNT-SVN01C-EN...
  • Page 66 Chapter 8 Installing the circuit board CNT-SVN01C-EN...

  • Page 67: Chapter 9 Installing The Door

    Chapter 9 Installing the door This chapter shows how to install and remove the enclosure door. Installing the door To install the enclosure door: 1. Unpack the door and check for missing or damaged parts. Check to make sure that the magnetic latches and touch screen (if ordered) are installed.

  • Page 68: Removing The Door

    Chapter 9 Installing the door 3. Align the hinge pegs on the door with the hinge holes on the enclosure. 4. Gently lower the door until it rests securely in the hinge holes. 5. Verify that the door swings freely on the hinges and that the magnetic latches hold the door securely when it is closed.

  • Page 69: Chapter 10 Installing The Stand-Alone Operator Display

    With the attached cable, the stand-alone operator display can be mounted up to 10 ft (3 m) from the Tracer MP581 controller. You can extend this distance up to 150 ft (46 m) using four-conductor wire and the included pig-tail connectors.
  • Page 70 The connector fits only one way. If you have difficulty connecting it, rotate the cable 180° and try again. 7. Run the operator-display cable to the Tracer MP581, affixing it to the wall with wiring staples or wire mold. 8. Feed the cable into the Tracer MP581 enclosure.
  • Page 71 9. Attach the operator-display cable to the operator-display connector on the circuit board (see Figure 39). The operator display receives power from the Tracer MP581 and turns on automatically when it is connected to the controller. Figure 39. Operator-display connector on the Tracer MP581...
  • Page 72 Chapter 10 Installing the stand-alone operator display CNT-SVN01C-EN...

  • Page 73: Chapter 11 Connecting The Portable Operator Display

    The portable operator display is used for temporary connections to Tracer MP581 controllers. You do not need to power down the Tracer MP581 when connecting the operator display. The portable operator display includes a 10 ft (3 m) cable with connector that is stored in the storage compartment of the carrying bag.
  • Page 74 Chapter 11 Connecting the portable operator display CNT-SVN01C-EN...

  • Page 75: Chapter 12 Setting Up The Operator Display

    Chapter 12 Setting up the operator display This chapter shows how to calibrate the operator-display touch screen and how to adjust the brightness and contrast. To set up the operator dis- play screens and security, see the Tracer MP580/581 Programmable Con- troller Programming guide (CNT-SVP01C-EN).

  • Page 76: Setting Up Time And Date

    Chapter 12 Setting up the operator display Setting up time and date To change the time for the operator display: 1. On the home screen, press the Setup button. The Setup menu appears. 2. Press the Change Time button to view the next screen. 3.

  • Page 77: Chapter 13 Installing Ex2 Expansion Modules

    The EX2 is a field-installed expansion module for the Tracer MP581 pro- grammable controller. Up to four expansion modules can be connected to a Tracer MP581. Each EX2 adds the following inputs and outputs to a Tracer MP581: Six universal inputs •...
  • Page 78 Chapter 13 Installing EX2 expansion modules Figure 40. Dimensions and clearances for frame-mount EX2 1 in. (25 mm) 4 in. 4 in. (102 mm) (102 mm) 4 in. (102 mm) 6.875 in. 5.625 in. 6.31 in. (175 mm) (143 mm) (160 mm) 5.375 in.

  • Page 79: Storage Environment

    Temperature: From –40°F to 185°F (–40°C to 85°C) • Relative humidity: 5–95%, non-condensing • Mounting location Trane recommends locating the EX2 module: In an environment protected from the elements • • Where public access is restricted to minimize the possibility of tam-...

  • Page 80: Mounting The Frame-Mount Module

    Chapter 13 Installing EX2 expansion modules Mounting the frame-mount module CAUTION Equipment damage! Mount the EX2 module with the cover on to avoid damaging the circuit board during installation. To mount the frame-mount module: 1. Using the module as a template, mark the location of the two mount- ing holes on the mounting surface (Figure 43).

  • Page 81: Mounting The Metal-Enclosure Module

    Mounting the metal-enclosure module Mounting the metal-enclosure module To mount the enclosure: 1. Unscrew the two screws on the front of the enclosure and remove the cover. 2. Using the enclosure as a template, mark the location of the four mounting holes on the mounting surface (Figure 44).

  • Page 82: Ac-Power Wiring

    Chapter 13 Installing EX2 expansion modules AC-power wiring Use 16 AWG copper wire for ac-power wiring. All wiring must comply with National Electrical Code and local codes. Use a UL-listed Class 2 power transformer supplying a nominal 24 Vac (19–30 Vac). The trans- former must be sized to provide adequate power to the EX2 module (10 VA) and outputs (a maximum of 12 VA per binary output).

  • Page 83: Wiring Ac-Power To The Frame-Mount Module

    AC-power wiring Wiring AC-power to the frame-mount module Please read the preceding warnings and cautions. To connect ac-power to the frame-mount module: 1. Connect the ground wire from the 24 Vac transformer (not included) to the GND terminal shown in Figure 45. 2.

  • Page 84: I/O Bus Wiring

    EX2 modules on an IEEE-485 link. This link must be a daisy chain. Typi- cally, the Tracer MP581 is at one end of the daisy chain, but any device can be at the ends of the link (Figure 47 and Figure 48 on page 75).

  • Page 85: Setting The I/O Bus Addresses

    Figure 48. I/O bus wiring example 2 Setting the I/O bus addresses Each EX2 on the link with the Tracer MP581 must have a unique address. Configure the address using the DIP switches on the EX2 circuit board (Figure 49, page 76). The address must match the expansion mod- ule number as specified on the Unit tab for the MP580/581 in Rover.

  • Page 86: Input/Output Terminal Wiring

    Chapter 13 Installing EX2 expansion modules Figure 49. DIP switch on board Table 10. EX2 DIP switch settings EX2 module Note: Cyle power to the EX2 (dipswitches can only be read during power up). Input/output terminal wiring All input/output terminal wiring for the EX2 module must meet the fol- lowing requirements: All wiring must be in accordance with the National Electrical Code •...

  • Page 87: Universal Inputs

    Configure each analog output and universal input using a LonTalk ser- vice tool, such as Trane’s Rover service tool. The service tool requires the Tracer MP581 software plug-in to configure an EX2. EX2 modules receive their configuration information from the Tracer MP581 controller they communicate with.
  • Page 88 Chapter 13 Installing EX2 expansion modules Figure 50. Typical input/output terminal wiring diagram for the EX2 expansion module I/O bus terminals (see “I/O bus wiring” on page 74) CNT-SVN01C-EN...

  • Page 89: Interpreting Ex2 Leds

    Interpreting EX2 LEDs Interpreting EX2 LEDs The information in this section will help you interpret LED activity on the EX2 expansion module. Figure 51 shows the location of each LED. Figure 51. LED locations on the EX2 Binary output LEDs Status LED TX and RX communications LEDs...

  • Page 90: Status Led

    RX LED blinks, The EX2 is receiving communications from the TX LED is off Tracer MP581 (either for itself or another EX2) but cannot send communications. Either the module is not configured in the Tracer MP580/ 581 or its I/O bus address is incorrect. Use the Rover service tool to configure the Tracer MP580/581 for use with the EX2 module.

  • Page 91: Chapter 14 Verifying Operation And Communication

    This chapter describes the location and function of the Service Pin button and the light-emitting diodes (LEDs) on the Tracer MP581 controller. Service Pin button The Service Pin button is located on the main circuit board as shown in Figure 52.

  • Page 92: Interpreting Leds

    Chapter 14 Verifying operation and communication Interpreting LEDs The information in this section will help you interpret LED activity. The location of each LED is shown in Figure 52 on page 81. Binary output LEDs The BO1–BO6 LEDs indicate the status of the six binary outputs. Table 15 describes binary output LED activity.

  • Page 93: Status Led

    LEDs on the EX2 expansion module Status LED The green Status LED indicates whether the controller has power applied to it. Table 17 describes Status LED activity. Table 17. Green Status LED LED activity Explanation LED is on continuously Power is on (normal operation). LED blinks (¼...
  • Page 94 Chapter 14 Verifying operation and communication CNT-SVN01C-EN...

  • Page 95: Chapter 15 Troubleshooting

    Tracer MP581 controller. If you encounter operational problems with the Tracer MP581 controller, you must first perform initial troubleshooting steps; see “Initial trouble- shooting” on page 86.

  • Page 96: Initial Troubleshooting

    Set the multi-meter to measure ac voltage. Measure the voltage across the 24 Tracer MP581 cir- Vac power terminals on the Tracer MP581 termination board (with ac power cuit board connected). The location of the 24 Vac power terminals is shown in Figure 11 problem or pro- on page 20.

  • Page 97: Binary Output Troubleshooting

    Wiring problem binary output terminals on the Tracer MP581. If you see approximately 24 V, the problem lies beyond the Tracer MP581. Is the wiring to the equipment good? Is there a pilot relay and is it functioning correctly? Is a Hand-Off-Auto (HOA) switch overriding the equipment? If you see approximately 0 V, proceed to the next step.

  • Page 98: Analog Output Troubleshooting

    — Rover service tool, and select the Tracer MP581 that you are troubleshooting from the Active Group Tree. The device plug-in for the selected Tracer MP581 appears with the Active Device view displayed in the workspace. See the Rover Operation and Programming guide, EMTX-SVX01D-EN, for more information.

  • Page 99: Universal Input Troubleshooting

    — Rover service tool, and select the Tracer MP581 that you are troubleshooting from the Active Group Tree. The device plug-in for the selected Tracer MP581 appears with the Active Device view displayed in the workspace. See the Rover Operation and Programming guide, EMTX-SVX01D-EN, for more information.
  • Page 100 The voltage should be 4.75–5.25 Vdc (see Table 30 on page 92). If you do not see a reading in that range, the Tracer MP581 has a circuit board problem. Figure 53. Voltage measured across terminals vs. temperature Temperature (...
  • Page 101 The voltage should be 0.10–0.13 Vdc (see Table 30 on page 92). If you do not see a reading in that range, the Tracer MP581 has a circuit board problem. Figure 54. Voltage measured across terminals vs. input current Current (mA) Table 29.
  • Page 102 Chapter 15 Troubleshooting Table 30. Voltage measurements at universal inputs (no sensor connected) Input type Expected value Acceptable range Thermistor 5.00 Vdc 4.75 to 5.25 Vdc Binary 17.00 Vdc 16.00 to 18.00 Vdc Current 0.116 Vdc 0.100 to 0.130 Vdc Voltage 3.43 Vdc 3.10 to 3.80 Vdc...

  • Page 103: Chapter 16 Other Literature

    Rover Operation and Programming guide, EMTX-SVX01E-EN. • Describes how to install and use the Rover service software. Rover is required to configure a Tracer MP581 and to create and edit Tracer graphical programs. This document is available in electronic format only.
  • Page 104 Chapter 16 Other literature CNT-SVN01C-EN...

  • Page 105: Index

    17 board, circuit, circuit board 24 Vdc power books for the Tracer MP581, 93 screw terminals, description, 19 brackets for wire ties, 18 screw-terminal location diagram, 20 total supply for inputs and outputs,...
  • Page 106 17, 76 Status (green), 83 door, installing, 57–58 guidelines for EX2 module, 76 length, maximum for input/output duct-static connector, 35, 37 guides for the Tracer MP581, 93 wires, 17, 76 linear current inputs, 0–20 mA inputs linear resistance inputs, 30...
  • Page 107 2, 13 Service LED, 82 for EX2 modules, 68 See also Service Pin button, 81 24 Vac power, 24 Vdc for frame-mounted Tracer MP581, Space Comfort Controller (SCC) power, high-voltage power profile, 1 powered outputs, 26 model numbers, 13...
  • Page 108 Index troubleshooting, 85–92 strip guide, 20 0–10 Vdc inputs, 91 variable resistance inputs, 24 0–20 mA inputs, 91 wire-tie bracket locations, 18 zone sensors, 24 analog outputs, 88 binary outputs, 87 wiring diagrams initial steps, 86 0–10 Vdc analog input, 22 Service Pin button, 81 0–20 mA analog inputs, 23 thermistor inputs, 90...
  • Page 110 A business of American Standard Companies www.trane.com Trane has a policy of continuous product and product data improvement and reserves the right to For more information, contact your local Trane change design and specifications without notice. Only qualified technicians should perform the installa- office or e-mail us at comfort@trane.com...

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