Chromalox TEMPERATURE CONTROLLER 1604-7 User Manual
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Chromalox TEMPERATURE CONTROLLER 1604-7 User Manual

Temperature controller with ma output
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1604-7
Temperature Controller with mA Output
Chromalox
Issue date
May 2000
1604-7-0-AB.p65
1
1604
r USER'S MANUAL
5/16/00, 10:50 AM

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Summary of Contents for Chromalox TEMPERATURE CONTROLLER 1604-7

  • Page 1 1604-7 Temperature Controller with mA Output Chromalox 1604 Issue date May 2000 1604-7-0-AB.p65 r USER'S MANUAL 5/16/00, 10:50 AM...

  • Page 2: Table Of Contents

    CONTENTS MOUNTING REQUIREMENTS ... 1 OUTLINE AND CUT OUT DIMENSIONS ... 2 CONNECTION DIAGRAMS ... 3 PRELIMINARY HARDWARE SETTINGS ... 9 CONFIGURATION PROCEDURE ... 10 OPERATIVE MODE ... 18 Display function ... 18 Indicators ... 18 Pushbutton function during operating mode 19 Enable/disable the control output ...
  • Page 3 Model identification Model 1604 1/16 DIN Temperature Controller Code Output 1 - Heat or Cool 20 mA Output Code Output 2 - Alarm Relay, 2 Amp at 250 VAC (Resistive load) Code None Out #3, 2 Amps at 250 V AC (Resistive load) Heater Break Down input, Out #3 RS 485 Digital communications, Out #3 RS 485 Digital comm., Heater Break Down input, Out #3...

  • Page 4: Mounting Requirements

    MOUNTING REQUIREMENTS Select a mounting location where there is minimum vibration and the ambient temperature range between 0 and 50 °C. The instrument can be mounted on a panel up to 15 mm thick with a square cutout of 45 x 45 mm. For outline and cutout dimensions refer to Fig.

  • Page 5: Outline And Cut Out Dimensions

    OUTLINE AND CUT OUT DIMENSIONS (48) (56) (122) OUTLINE AND CUT-OUT DIMENSIONS Fig. 2 1604-7-1-AB.p65 (75) (60) 1.77 (45) 1.77 (45) 5/16/00, 10:50 AM...

  • Page 6: Connection Diagrams

    CONNECTION DIAGRAMS Connections are to be made with the instrument housing installed in its proper location. REAR TERMINAL BLOCK Fig. 3 .A 1604-7-1-AB.p65 A) MEASURING INPUTS NOTE: Any external components (like zener barriers etc.) connected between sensor and input terminals may cause errors in measurement due to excessive and/or not balanced line resistance or possible leakage currents.

  • Page 7: Rtd Input

    RTD INPUT Fig. 5 RTD INPUT WIRING NOTE: 1) Don’t run input wires together with power cables. 2) Pay attention to the line resistance; a high line resistance may cause measurement errors. 3) When shielded cable is used, it should be grounded at one side only to avoid ground loop currents.

  • Page 8: Logic Input

    B) LOGIC INPUT Safety note: 1) Do not run logic input wiring together with power cables. 2) Use an external dry contact capable of switching 0.5 mA, 5 V DC. 3) The instrument needs 100 ms to recognize a contact status variation. 4) The logic inputs are NOT isolated by the measuring input SP / SP2...

  • Page 9: Inductive Loads

    INDUCTIVE LOADS High voltage transients may occur switching inductive loads. Through the internal contacts these transients may introduce disturbances which can affect the performance of the instrument. For the OUT 2 and OUT 3, the internal protection (varistor) assures a correct protection up to 0.5 A of inductive component.

  • Page 10: Serial Interface

    SERIAL INTERFACE RS-485 interface allows to connect up to 30 devices with one remote master unit. A/A' A'/A B/B' B'/B COMMON Fig. 11 - RS-485 WIRING The cable length must not exceed 1.5 km at 9600 BAUD. NOTE: The following report describes the signal sense of the voltage appearing across the interconnection cable as defined by EIA for RS-485.
  • Page 11 NOTE: a single switch or circuit-breaker can drive more than one instrument. 9) When the NEUTRAL line is present, connect it to terminal 4. 1604-7-1-AB.p65 5/16/00, 10:50 AM...

  • Page 12: Preliminary Hardware Settings

    PRELIMINARY HARDWARE SETTINGS 1) Remove the instrument from its case. 2) It is necessary to set J106 according to the desired input type as shown in the following figure. INPUT J106 TYPE 9-10 TC-RTD open close open open open 60 mV open close open...

  • Page 13: Configuration Procedure

    GENERAL NOTES for configuration. FUNC = This will memorize the new value of the selected parameter and go to the next parameter (increasing order). MAN = This will scroll back the parameters without memorization of the new value. = This will increase the value of the selected parameter = This will decrease the value of the selected parameter.
  • Page 14 21 = TC type range -150 / +1830 °F 22 = TC type range -150 / +2500 °F 23 = TC type range -330 / +750 °F 24 = TC type range -150 / +2550 °F 25 = TC type range 0 / +3200 °F 26 = TC type...
  • Page 15 P7 = analog retransmission - initial scale value. Available only when P5 = Pv.rt or SP.rt. It is programmable from -1999 to 4000. The decimal point will be positioned as selected with P2 parameter. P8 = analog retransmission - full scale value. Available only when P5 = Pv.rt or SP.rt.
  • Page 16 P12 = Alarm 2 operating mode Available only when P11 is equal to "AL2.P", "AL2.b" or "AL2.d". H.A. = High alarm (outside for band alarm) with automatic reset (latched). L.A. = Low alarm (inside for band alarm) with automatic reset (latched). H.L.
  • Page 17 The configuration procedure is completed and the -.-.-.-. instrument shows " " on both displays. If no other setting is necessary, push the FUNC pushbutton, the display returns to show "COnF". Otherwise access to the advanced configuration parameter proceeding as follows: 1) using s and t pushbuttons to set the 262 code on the display.
  • Page 18 P24 = Alarm 1 action Available only when P9 = "AL1.P", "AL1.d" or "AL1.b". dir = direct action (relay energized in alarm condi- tion) rEV = reverse action (relay de-energized in alarm condition) P25 = alarm 1 stand-by (mask) function Available only when P9 = "AL1.P", "AL1.d"...
  • Page 19 P31 = Maximum value of the proportional band calculated by the SMART algorithm. This parameter is skipped when none of the outputs is programmed as control output or P30=0. This parameter is programmable from P32 value to 200.0 %. P32 = Minimum value of the proportional band calculated by the SMART algorithm.
  • Page 20 NOTE: when the instrument detects an out of range condition, it assignes the P38 value to the PID output but P18 and P20 parameter are still active. P39 = Digital filter on the displayed value It is possible to apply to the displayed value a digital filter of the first order with a time constant equal to : - 4 s for TC and RTD inputs...

  • Page 21: Operative Mode

    OPERATIVE MODE 1) Remove the instrument from its case. 2) Set the internal dip switch V101 in closed condi- tion 3) Re-insert the instrument. 4) Switch on the instrument. DISPLAY FUNCTION The upper display shows the measured value while the lower display shows the programmed set point value (we define the above condition as “normal display mode”).

  • Page 22: Pushbutton Function During Operating Mode

    Pushbutton functionality during operating mode. FUNC = o when the instrument is in "normal display mode" 1) with a brief pressure (<3s) it starts the parameter modification procedure. 2) with a pressure within 3s to 10s it changes the indication on the lower display (see "display function").

  • Page 23: Direct Access To The Set Point

    DIRECT ACCESS TO SET POINT When the device is in AUTO mode and in “Normal Display Mode”, it is possible to access directly to set point modification (SP or SP2). Pushing s or t for more than 2 s, the set point will begin changing.

  • Page 24: Serial Link

    SERIAL LINK The device can be connected to a host computer by a serial link. The host can put the device in LOCAL (functions and parameters are controlled via keyboard) or in REMOTE (functions and parameters are controlled via serial link). The REMOTE status is signalled by the decimal point (labelled REM) at the right hand of the LSD of the upper display.

  • Page 25: Operative Parameters

    OPERATIVE PARAMETERS Push the FUNC pushbutton, the lower display will show the code while the upper display will show the value or the status (On or OFF) of the selected parameter. By s or t pushbutton it is possible to set the desired value or the desired status.
  • Page 26 Note:When device is working with SMART algorithm the Pb value will be limited by P31 and P32 parameters. Hysteresis for ON/OFF control action This parameter is available only when Pb=0. Range: from 0.1% to 10.0% of the input span. Integral time This parameter is skipped if Pb=0 (ON/ OFF action).
  • Page 27 Grd1 Ramp applied to an increasing set point change Range: from 1 to 100 digits per minute. Above this value the display shows “InF” meaning that the transfer will be done as a step change. Grd2 Ramp applied to a decreasing set point changes For other details see Grd1 parameter.

  • Page 28: Error Messages

    ERROR MESSAGES OVERRANGE, UNDERRANGE AND SENSOR LEADS BREAK INDICATIONS The device is capable to detect a fault on the process variable (OVERRANGE or UNDERRANGE or SENSOR LEADS BREAK). When the process variable exceeds the span limits established by configuration parameter P 1 an OVERRANGE condition will be shown on display as show in the following figure: An UNDERRANGE condition will be shown on...

  • Page 29: Error List

    ERROR LIST Serial interface parameter error. Write EEPROM error. CPU error. Tentative to write on protected memory. 201 - 2xx Configuration parameter error. The two less significant digits shown the number of the wrong parameter (ex. 209 Err shows an Error on P9 parameter) Error on control output selection.

  • Page 30: General Informations

    GENERAL INFORMATIONS GENERAL SPECIFICATIONS Case: Polycarbonate grey dark color; self-extin- guishing degree: V-0 according to UL 94. Front protection - designed and tested for IP 65 (*) and NEMA 4X (*) for indoor locations (when panel gasket is installed). (*) Test were performed in accordance with CEI 70- 1 and NEMA 250-1991 STD.
  • Page 31 STANDARD RANGES TABLE Ranges type 0 /+ 400.0°C 0 /+ 900 °C 0 / + 1650 °F -100.0/ + 400.0°C -100 / + 1000 °C -150 / + 1830 °F -100.0 / + 400.0°C -100 /+ 1370 °C -150 / + 2500 °F -199.9 / + 400.0°C -330 / + 750 °F -100 /+ 1400 °C...

  • Page 32: Set Points

    SET POINTS This instrument allows to use 2 set points: SP and SP2. The set point selection is possible only by logic input. Set point transfer: The transfer between one set point to another (or between two different set point values) may be realized by a step transfer or by a ramp with two different programmable rate of change (ramp up and ramp down).
  • Page 33 Output level limiter: - For one control medium: from 0 to 100 % . - For two control mediums: from -100 to +100 %. This function may be operative at instrument start up for a programmable time (To avoid thermal shock and/or preheating the plant) otherwise it can be enabled by an external contact.

  • Page 34: Serial Communication Interface

    Operative mode : High or low programmable. Threshold : programmable from - 500 to +500 units. Hysteresis : programmable from 0.1 % to 10.0 % of the input span or 1 LDS. SERIAL COMMUNICATION INTERFACE Type: RS-485 Protocol type: MODBUS, JBUS, ERO polling/ selecting.

  • Page 35: Default Parameters

    APPENDIX A DEFAULT PARAMETERS DEFAULT OPERATIVE PARAMETERS The control parameters can be loaded with predetermined default values. These data are the typical values loaded in the instrument prior to shipment from factory. To load the default values proceed as follows: a) The internal switch should be closed.

  • Page 36: Default Configuration Param- Eters

    DEFAULT CONFIGURATION PARAM- ETERS The configuration parameters can be loaded with predetermined default values. These data are the typical values loaded in the instrument prior to shipment from factory. To load the default values proceed as follows: a) The internal switch (V101, see fig. 13) should be open.
  • Page 37 30.0 30.0 00.20 00.20 nO.FL nO.FL nO.FL nO.FL 10.0 10.0 Fn.Sp Fn.Sp Appendix A.3 1604-7-A-AB.p65 5/16/00, 10:50 AM...
  • Page 38 Appendix A.4 1604-7-A-AB.p65 5/16/00, 10:50 AM...

  • Page 39: Instruments And Controls

    Chromalox INSTRUMENTS AND CONTROLS 1382 HEIL QUAKER BOULEVARD LAVERGNE, TN 37086-3536 PHONE (615) 793-3900 FAX (615) 793-3563 EMERSON ELECTRIC CO. Appendix A.5 1604-7-A-AB.p65 170.IU0.160.400 ® 5/16/00, 10:50 AM...

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