Pixsys ATR142 User Manual
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Pixsys ATR142 User Manual

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Summary of Contents for Pixsys ATR142

  • Page 1 ATR142...

  • Page 2: Table Of Contents

    Summary Introduction ......................3 Model Identification.................... 3 Technical Data....................4 General Features..................4 Hardware Features..................4 Software Features ..................5 Dimensions and Installation................5 Electrical wirings ....................6 Wiring diagram ................... 6 Display and Key Functions ................9 Numeric Indicators (Display) ..............9 Meaning of Status Lights (Led) ..............

  • Page 3: Introduction

    Introduction Thank you for choosing a Pixsys controller. With the ATR142 model Pixsys makes available in a single device all the resources relevant to sensor input and actuators command, in addition to the extended power range 24…230 Vac/Vdc. With 17...

  • Page 4: Technical Data

    PT500, PT1000, Ni100, PTC1K, accuracy 0.1° C/° C NTC10K (β 3435K) Linear: 0-10V, 0-20 or 4-20mA, 0-40mV Potentiometers: 6K , 150K , Relay 2 relays (Atr142-ABC) Contacts: output 1 relay (Atr142-ABC-T) Q1 – 8A-250V~ Configurable as command and/or Q2 – 5A-250V~...

  • Page 5: Software Features

    3.3 Software Features Regulation algorithms ON-OFF with hysteresis. P, PI, PID, PD with proportional time Proportional band 0...9999° C or ° F Integral time 0,0...999,9 sec (0 excluded) Derivative time 0,0...999,9 sec (0 excluded) Controller functions Manual or automatic Tuning, configurable alarms, protection of command and alarm setpoints, activation of functions via digital input, preset cycle with Start/Stop.

  • Page 6: Electrical Wirings

    • Avoid placing near power units, particularly if phase controlled. 5.1 Wiring diagram The connections are reported below for the three models available. PIXSYS ATR142-ABC 2 wire 4/20mA Power 8A 230V 5A 230V Resistive...
  • Page 7 Power Switching power supply with extended range 24…230 Vac/dc ±15% 50/60Hz – 5,5VA. AN1 Analogue Input For thermocouples K, S, R, J. • Comply with polarity • For possible extensions, use a compensated wire terminals suitable thermocouples used (compensated) • When shielded cable is used, it should be grounded at one side only For thermoresistances PT100, NI100...
  • Page 8 Examples of Connection for linear input For signals 0….10V Comply with polarity For signals 0/4….20mA with three-wire sensor Comply with polarity C=Sensor output B=Sensor ground A=Sensor power For signals 0/4….20mA with external power of sensor Comply with polarity A=Sensor output B=Sensor round For signals 0/4….20mA with two-wire sensor Comply with polarity...

  • Page 9: Display And Key Functions

    Relay Q1 Output Capacity: Q1 - 8A/250V~ for resistive loads Q2 - 5A/250V~ for resistive loads SSR output SSR command output 12V/30mA Digital Input on ATR243-20ABC Digital input using parameter The use of digital input in this version is possible only with TC sensors, 0…10V, 0/4…20mA and 0…40mV Display and Key Functions...

  • Page 10: Meaning Of Status Lights (Led)

    6.2 Meaning of Status Lights (Led) ON when the output command is on. For motorised valve command, led in on when valve is opening and blink when closing. ON when alarm 1 is on. ON when alarm 2 is on. ON when the “Manual”...

  • Page 11: Controller Functions

    Controller Functions 7.1 Modifying Main Setpoint and Alarm Setpoint Values The setpoint value can be changed from the keyboard as follows: Press Effect Operation Value on display 2 Increases or decreases the changes main setpoint Visualize alarm setpoint on display Value on display 2 Increases or decreases the changes...

  • Page 12: Automatic Tuning

    7.4 Automatic Tuning Automatic tuning activates when the controller is switched on or when the setpoint is modified to a value over 35%. To avoid an overshoot, the treshold where the controller calculates the new PID parameters is determined by the setpoint value minus the “Set Deviation Tune”...

  • Page 13: Pre-Programmed Cycle

    Press the key to show ; it is now possible, during the process display, to change the output percentage using the keys . To return to automatic mode, using the same procedure, select on display 2: the led switches off and functioning returns to automatic mode.

  • Page 14: Memory Card (Optional)

    7.8 Memory Card (optional) Parameters and setpoint values can be duplicated from one controller to another using the Memory card. There are two methods: • With the controller connected to the power supply Insert the memory card when the controller is off. On activation display 1 shows and display 2 shows (Only if the correct values are saved in the memory card).

  • Page 15: Loading Default Values

    7.9 Loading default values This procedure makes it possible to restore factory settings of the instrument. Premere Effetto Eseguire Display 1 shows with the 1st digit flashing, while display 2 for 3 seconds. shows Change the flashing digit and move to the next Enter password one using the key.
  • Page 16 To use the LATCH ON function configure as you wish the parameter For the calibration procedure refer to the following table: Press Effect Operation Exit parameters Position the sensor on the configuration. Display 2 minimum functioning value shows the writing (associated with Set the value to minimum.

  • Page 17: Digital Input Functions

    8.1 Digital Input Functions Digital input is programmable for several functions which are useful to simplify controller operability. Select the desired function on parameter Hold function (enabled by setting ) allows to lock the reading of sensors when the digital input is active (useful for wide ranging oscillation on less significant values).

  • Page 18: Dual Action Heating-Cooling

    8.2 Dual Action Heating-Cooling ATR142 is also suitable also for systems requiring a combined heating- cooling action. command output must configured Heating and with a greater than 0), and one of the alarms ( ) must be configured as . The command output must be connected to the actuator responsible for heat, while the alarm will control cooling action.
  • Page 19 The following figure shows an example of dual action PID (heating- cooling) with = 0 and = 0.

  • Page 20: Serial Communication

    (broadcast mode), while with 0 all the devices receive the command, but no response is expected. ATR142 can introduce a delay (in milliseconds) in the response to the master request. This delay must be set on parameter 58...
  • Page 21 Modbus RTU protocol features Baud-rate Can be selected on parameter 70 4800bit/sec 9600bit/sec 19200bit/sec 28800bit/sec 38400bit/sec 57600bit/sec Format 8, N, 1 (8bit, no parity, 1 stop) Supported WORD READING (max 20 word) (0x03, 0x04) functions SINGLE WORD WRITING (0x06) MULTIPLE WORDS WRITING (max 20 word) (0x10) The list below includes all the available addresses, where: Read Only...
  • Page 22 1008 Outputs status (0=off, 1=on) Bit 0 = Q1 relay Bit 1 = Q2 relay Bit 2 = SSR 1009 Heating output percentage (0-10000) 1010 Cooling output percentage (0-10000) 1011 Alarms status (0=none, 1=active) Bit0 = Alarm 1 Bit1 = Alarm 2 1012 Manual reset: write 0 to reset all the alarms.
  • Page 23 1106 Allarme2 visualized (decimal as display) EEPROM 1107 Setpoint gradient (decimal as display) EEPROM 1108 Heating output percentage (0-1000) 1109 Heating output percentage (0-100) 1110 Cooling output percentage (0-1000) 1111 Cooling output percentage (0-100) 2001 Parameter 1 EEPROM 2002 Parameter 2 EEPROM 2060 Parameter 60...

  • Page 24: Master

    ID as the value selected on parameter 57 Regarding retransmission of setpoint values, after writing the value on slaves, ATR142 starts reading the corresponding word, so that any modification of value on the slave will be automatically updated also on the Master.
  • Page 25 To enable this function it is necessary to select on parameter . In this mode the process value on ATR142 is a value read via serial communication. The ID of the slave must be same as value selected on parameter 57...

  • Page 26: Configuration

    Configuration 10.1 Modify Configuration Parameter For configuration parameters see paragraph 11. Press Effect Operation Display 1 shows with the 1st digit flashing, while for 3 display 2 shows seconds. Change the flashing digit and move to the next Enter password one using the key.

  • Page 27: Table Of Configuration Parameters

    The following table includes all parameters. Some of them will not be visible on the models which are not provided with relevant hardware features. Display Parameter description Entering range Select command output Default type Command Output ATR142-ABC COMMAND ALARM 1 ALARM 2 Q1(opens) Q2(closes) ATR142-ABC-T COMMAND ALARM 1 Q1(opens) SSR(closes)
  • Page 28 Display Parameter description Entering range Tc-K (-260…1360° C) Analog input (Default) configuration Sensor Tc-S (-40…1760°C) Tc-R (-40…1760° C) Tc-J (-200…1200° C) PT100 (-200…600° C) PT100 (-200…140° C) NI100 (-60…180° C) NTC10K (-40…125° C) PTC1K (-50…150° C) PT500 (-100…600° C) PT1000 (-100…600°C) 0…10Volt 0…20mA 4…20mA...
  • Page 29 Display Parameter description Entering range -999…+9999 digit* Lower range limit An1 only for linear input Default: 0. Lower Linear Input Upper range limit An1 -999…+9999 digit* only for linear input Default: 1000. Upper Linear Input Automatic setting of limits (Disabled) Default for Linear input (Standard) Latch On...
  • Page 30 Display Parameter description Entering range -180…+180 seconds (tenths of Command delay (only in ON/OFF functioning). second in case of servo valve). Command (In case of servo valve it Negative: delay in switching off Delay also functions in PID and phase. represents the delay Positive: delay in activation phase.
  • Page 31 Display Parameter description Entering range Alarm 1 output contact (n.o. start) Default and intervention type Alarm 1 State Normally open, active at start Output (n.c. start) Normally closed, active at start (n.o. threshold) Normally open, active on reaching alarm (n.c. threshold) Normally closed on reaching alarm Type of Reset for contact of alarm 1...
  • Page 32 Display Parameter description Entering range Alarm 2 selection. (Disabled) Default Alarm intervention is Alarm 2 associated with AL2 (Absolute Alarm) (Band Alarm) (High Deviation Alarm) (Low Deviation Alarm) (Absolute Command setpoint Alarm) (Start Alarm) (Cooling) Alarm 2 output contact (n.o. start) Default and intervention type Normally open, active at start Alarm 2 State...
  • Page 33 Display Parameter description Entering range -180…+180 Seconds Alarm 2 delay Negative: delay in alarm output phase. Alarm 2 Delay Positive: delay in alarm entry phase. Default: 0. Alarm 2 set protection. Default Does not allow operator Alarm 2 to change value of Setpoint setpoint Protection...
  • Page 34 Display Parameter description Entering range ADC filter: number of (Disabled) means on analog-digital Conversion conversions (2 Samples Mean) Filter (3 Samples Mean) (4 Samples Mean) (5 Samples Mean) (6 Samples Mean) (7 Samples Mean) (8 Samples Mean) (9 Samples Mean) (10 Samples Mean) Default (11 Samples Mean)
  • Page 35 Display Parameter description Entering range Visualisation filter (Disabled) Default Visualisation (Pitchfork filter) Filter (First Order) (First Order with Pitchfork) (2 Samples Mean) (3 Samples Mean) (4 Samples Mean) (5 Samples Mean) (6 Samples Mean) (7 Samples Mean) (8 Samples Mean) (9 Samples Mean) (10 Samples Mean) Tuning type selection...
  • Page 36 Display Parameter description Entering range Select operating mode Operating (Controller) Default Mode (Programmed Cycle) (2 Thresholds Switch) (2 Thresholds Switch Impulsive) (3 Thresholds Switch Impulsive) (4 Thresholds Switch Impulsive) Enable automatic/manual (Disabled) Default selection Automatic / (Enabled) Manual (Enabled Stored) Digital input functioning (Disabled) Default: 0.
  • Page 37 Display Parameter description Entering range Maintenance time for 00.00-24.00 hh.mm pre-programmed cycle Default: 00.00. Maintenance Time Allows the rise gradient (Disabled) Default and the maintenance User Menu time to be changed from (Gradient) Cycle the user menu, in pre- Programmed (Maintenance Time) programmed cycle functioning...
  • Page 38 Display Parameter description Entering range Select the master mode (Disable) Default Master (Write Process) (Read/Write Command Setpoint) (Write Output Percentage) (Read/Write Alarm 1 Setpoint) (Read Process) 0x0000 – 0xFFFF (hexadecimal) Select address for retransmission Default: 0x03E9. Address Retransmission ∗ Lower limit -999 –...

  • Page 39: Alarm Intervention Modes

    Alarm Intervention Modes Absolute Alarm or Threshold Alarm ( selection ) Absolute alarm with controller in heating functioning Alarm Spv (Par.11 selected Hysteresis and hysteresis value greater parameter > 0 than “0” (Par.28 > 0). N.B.: The example refers to alarm 1; Time the function can also be enabled for alarms 2 and 3 on models that...
  • Page 40 Time Absolute alarm with controller in cooling functioning (Par.11 selected Alarm Spv ) and hysteresis value Hysteresis less than “0” (Par.28 < parameter < 0 N.B.: The example refers to alarm 1; the function can also be enabled for Alarm alarms 2 and 3 on models that output include it.
  • Page 41 Band Alarm ( selection ) Band alarm hysteresis value greater than “0” (Par.28 Alarm Spv Hysteresis > 0). parameter Comand Spv > 0 N.B.: The example refers to alarm 1; Alarm Spv the function can also be enabled for alarms 2 and 3 on models that Time include it.
  • Page 42 Upper Deviation Alarm ( selection ) Upper deviation alarm value of alarm setpoint greater than “0” Alarm Spv and hysteresis value greater Hysteresis parameter than “0” (Par.28 > 0). > 0 N.B.: Comand Spv a) The example refers to alarm 1; the function can also be enabled for Time alarms 2 and 3 on models that...
  • Page 43 Lower Deviation Alarm ( selection ) Lower deviation alarm value of alarm setpoint greater than “0” Comand Spv and hysteresis value greater Hysteresis parameter than “0” (Par.28 > 0). > 0 N.B.: Alarm Spv a) The example refers to alarm 1; Time the function can also be enabled for alarms 2 and 3 on models that...

  • Page 44: Table Of Anomaly Signals

    Table of Anomaly Signals In case of malfunctioning of the system, the controller switches off the regulation output and displays the type of anomaly. For example the controller will signal the breakage of any connected thermocouple by displaying (flashing) on display. For other notifications, see the table below.

  • Page 45: Summary Of Configuration Parameters

    Summary of Configuration parameters Date: Model ATR142: Installer: System: Notes: Command output type selection Analog input configuration Number of decimal points Lower limit setpoint Upper limit setpoint Lower limit range An1 only for linear Upper limit range An1 only for linear Automatic setting of linear input limits.
  • Page 46 State of OUT2 led Alarm 1 hysteresis Alarm1 delay Alarm 1 set protection Alarm 2 selection Alarm 2 output contact and intervention type Reset type of alarm 2 contact State of contact for alarm 2 output State of OUT2 led Alarm 2 hysteresis Alarm 2 delay Alarm 2 set protection...
  • Page 47 Seelct address for retransmission Lower limit of retransmission range Upper limit of retransmission range Note...
  • Page 52 PIXSYS Via Tagliamento, 18 30030 Mellaredo di Pianiga (VE) www.pixsys.net e-mail: sales@pixsys.net - support@pixsys.net Software Rev. 1.04 2300.10.093-RevC 200608 *2300.10.093-C*...

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