Watlow SD Series User Manual
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Watlow SD Series User Manual

Limit controller
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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 CTIO O N N 3 Year Warranty ISO 9001 ISO 9001 Registered Company Winona, Minnesota USA 1241 Bundy Boulevard., Winona, Minnesota USA 55987 Phone: +1 (507) 454-5300, Fax: +1 (507) 452-4507 http://www.watlow.com Made in the U.S.A. 0600-0041-0005 Rev. B November 2004 $15.00...
  • Page 3 Watlow reserves the right to charge for no trouble found (NTF) returns. The Series SD User’s Manual is copyrighted by Watlow Winona, Inc., © November 2004 with all rights reserved.

  • Page 4: Table Of Contents

    Index ........52 Declaration of Conformity ..Inside back cover Watlow Series SD Limit Table of Contents...

  • Page 5: Chapter 1: Overview

    Overview The Watlow Series SD family of microprocessor- non-latching alarms. Standard Series SD limit features based limit controllers is available in 1/32, 1/16, 1/8 include an IP65/NEMA 4X front panel rating; CE compli- and 1/4 DIN panel mount sizes*. The Series SD limit is ance;...
  • Page 6 Patented User Definable Menu System ing, either by cutting it larger for a larger limit or using • Simplifies operator interface. a Watlow adapter plate to adapt it to a smaller limit. User Defined Default Settings Step 2: Wire the limit. •...

  • Page 7: Chapter 2: Install And Wire

    0.6 mm (0.025 in) maximum gap between 7.9 mm controller front and customer front panel (0.31 in) minimum Contact your local Greenlee supplier for the appropriate punch kit and cutout tools required for rapid mounting. Watlow Series SD Limit Chapter 2 Install and Wire...

  • Page 8: Dimensions

    Back (4.26 in) 16.0 mm (0.63 in) minimum Model Number 108.8 mm (4.28 in) Contact your local Greenlee supplier for the appropriate punch kit and cutout tools required for rapid mounting. Watlow Series SD Limit Chapter 2 Install and Wire...

  • Page 9: Installation

    2. Slide a thin, wide tool (putty knife) under all three mounting tabs, top then bottom, while pushing forward on the back of the case. Be ready to support the limit as it slides out of the panel cutout. Watlow Series SD Limit Chapter 2 Install and Wire...
  • Page 10 Remove the retention collar and push the limit out of the panel cutout. Be ready to support the limit as it comes through the front panel. Watlow Series SD Limit Chapter 2 Install and Wire...
  • Page 11 Remove the retention collar and push the limit out of the panel cutout. Be ready to support the limit as it comes through the front panel. Watlow Series SD Limit Chapter 2 Install and Wire...
  • Page 12 4. Press with one or two fingers on the lower half of the back of the unit so that the limit slides forward toward the panel. Hold the bracket steady; do not pull back. Be ready to support it as it comes through the front panel. Watlow Series SD Limit Chapter 2 Install and Wire...
  • Page 13 3 (SD _ L-_ J _ A-_ _ _ _). Figure 10e — 1/4 DIN (S D 4 L - _ J _ _ - _ _ _ _). Watlow Series SD Limit Chapter 2 Install and Wire...

  • Page 14: Wiring

    Low Voltage AC Power Wiring Figure 11b — SD_ L - L J _ _ - _ _ _ _ Low • Nominal voltage: 24‡ (ac/dc) • Class 2 power source required for agency compliance Watlow Series SD Limit Chapter 2 Install and Wire...
  • Page 15 Outputs can remain full on. Check your input settings. 0 to 50mVÎ Î (dc) Process Input Figure 12d — (all model numbers) • Input impedance >20 MΩ, dc only. Watlow Series SD Limit Chapter 2 Install and Wire...
  • Page 16 R.C. suppres- common 5 sor. normally open 6 Internal Circuitry Watlow carries the R.C. sup- pressor Quencharc brand name, Output 2 Mechanical Relay Figure 13c — which is a trademark of ITW Paktron. Watlow Part No. 0804- SD_ L - _ _ J _ - _ _ _ _ 0147-0000.
  • Page 17 R.C. suppres- sor. • Supply voltage 6 to 12VÎ (dc). • Not recommended for switching mechanical relays. Watlow carries the R.C. sup- • Output supplies power. Switched DC pressor Quencharc brand name, 6 to 12V (dc) which is a trademark of ITW Paktron.
  • Page 18 R.C. suppres- sor. • 0.5 A maximum, Form A. • 24 to 240VÅ (ac). Watlow carries the R.C. sup- • See Quencharc note. pressor Quencharc brand name, which is a trademark of ITW • Minimum load current 10 mA Paktron.
  • Page 19 • Load capability: voltage, 1 kΩ minimum; current, 800 Ω maximum. • Output supplies power. Watlow carries the R.C. sup- • Cannot use voltage and current output at the same time. pressor Quencharc brand name, which is a trademark of ITW Paktron.
  • Page 20 Two-wire capability EIA/TIA-485 can be implemented as a two-wire sys- 485SD9TB tem or a four-wire system. Most Watlow controllers, including the Series SD limit, use two-wire commu- T-/R- T+/R+ nications when working with EIA/TIA-485. The con- Watlow p/n 0830-0473-0001 verter selected must have a two-wire mode.
  • Page 21 Notes Watlow Series SD Limit Chapter 2 Install and Wire...

  • Page 22: Chapter 3: Keys And Displays

    • Resets the limit. • Silence an alarm Note: After 60 seconds with no key presses, the controller reverts to the Home Page. Watlow Series SD Limit Chapter 3 Keys and Displays...

  • Page 23: Home Page Overview

    Note: The [`lOC] parameter can lock the ability to adjust/view the settings in the Operation Page. If you are have trouble adjusting the limit set points, check the [`lOC] setting in the Setup Page. Watlow Series SD Limit Chapter 3 Keys and Displays...

  • Page 24: Setup

    3 or [ [ ` ` L L O O C C ] ] the limit must be remotely mounted to restrict casual user adjust- ment. Watlow Series SD Limit Chapter 3 Keys and Displays...

  • Page 25: Programming Page Overview

    [03; 1 6] Output 3 Calibrate, 16.0 mA Calibration information for the Series SD controllers is available in pdf format. Go to www.watlow.com > Literature > Product User Manuals and search on Series SD Calibration Manual. *Programming Page parameters Modbus register numbers...

  • Page 26: Chapter 4: Home Page

    °F through Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 4 Home...

  • Page 27: Chapter 5: Setup Page

    [``No] (0) 91 R/W Always active. [IS.En] Enable the sensor feature, which synchro- [`Yes] (1) nizes the controller with a Watlow sensor. [IS ; P 1] [IS ; E n] is set to [`yes]. INFOSENSE 0 to 999 92 R/W [IS.P1]...
  • Page 28 °F through Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 5 Setup...
  • Page 29 °F through Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 5 Setup...
  • Page 30 °F through Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 5 Setup...
  • Page 31 °F through Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 5 Setup...
  • Page 32 °F through Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 5 Setup...

  • Page 33: Chapter 6: Operations Parameters Table

    Note: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 6 Operations...
  • Page 34 °F through Modbus. * Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal precision is implied at three decimal places unless otherwise noted. Watlow Series SD Limit Chapter 6 Operations...

  • Page 35: Chapter 7: Programming Page

    Parameter Location 14 [none (0) 61 R/W [~P15] [none] (0) Parameter Location 15 62 R/W [~P16] Parameter Location 16 [none] (0) 63 R/W Note: All Parameter locations have the same range of possible values. Watlow Series SD Limit Chapter 7 Programming...
  • Page 36 Operation Page parameters. Only the parameters selected on the Programming Page appear on the Operations Page. [~~~F] [~~32] [1000] [~~~1} [~C-F] [A2; L o] [A2 ; H i] [Addr] Watlow Series SD Limit Chapter 7 Programming...

  • Page 37: Chapter 8: Factory Page And Calibration

    Reset all parameters to their [dFLt] default values. [O; t y1] Output 1 Type [rLAY] 193 R Always active. [rLAY] mech. relay (2) mech. relay Displays the hardware type for Output 1. [O.ty1] Watlow Series SD Limit Chapter 8 Factor y...
  • Page 38 Calibrate the process voltage input to 1.0 [ V.1] Volt (see “Calibrating the Series SD”). * The Series SD controller can be calibrated only with the front panel controls. These parameters are not visible through serial communications. Watlow Series SD Limit Chapter 8 Factor y...
  • Page 39 The current process output transmits [O3.16] 16.000 mA (see “Calibrating the Series SD”). * The Series SD limit can be calibrated only with the front panel controls. These parameters are not visible through serial communications. Watlow Series SD Limit Chapter 8 Factor y...
  • Page 40 Calibration, 32° [tc; 3 2] to [`yES]. Press the Ad- vance Key ‰ to store type J thermocouple calibra- tion and move to the next prompt. 6. Rewire for operation and verify calibration. Watlow Series SD Limit Chapter 8 Factor y...
  • Page 41 Repeat until the volt/ammeter reads 9.00V, ±0.1V. Press the Ad- vance Key ‰ to store the value and move to the next prompt. 5. Rewire for operation and verify calibration. Watlow Series SD Limit Chapter 8 Factor y...

  • Page 42: Chapter 9: Features

    Troubleshooting ......46 Error Messages ......48 Watlow Series SD Limit Chapter 9 Features...

  • Page 43: Saving And Restoring User Setings

    SD mem- To restore a collection of saved settings: ory. These values characterize Watlow sensors, for the 1. Press the Up ¿ and Down ¯ keys together for six controller to provide greater accuracy.

  • Page 44: Calibration Offset

    Setup Menu, which can be viewed and changed. [`LOC] Note: For FM Approval, the parameter must be set to 3 or the limit must be mounted remotely to restrict casual user adjust- ment. Time Filtered Input Signal Time Watlow Series SD Limit Chapter 9 Features...

  • Page 45: Limits

    Select the low and high values with Process Scale parameters. View or change process alarm set points Low [SC; l o] and Process Scale High [SC; h i] (Setup with the Operations Page parameters. Page). Watlow Series SD Limit Chapter 9 Features...

  • Page 46: Retransmit

    The signal may serve as a remote set point for another controller or as an input for a chart recorder to document system performance over time. Any process output can be configured as a retransmit output. Communications Watlow Series SD Limit Chapter 9 Features...

  • Page 47: Overview

    The advantages of EIA/TIA-485 are that it is less WATCONNECT™ software library, or to download the susceptible to noise and it allows a PC or PLC to com- Comm6 software, go to the Watlow web site at municate with multiple controllers on the same port to http://www.watlow.com.

  • Page 48: Infrared Data Communications

    A PDA or other master device with the converter, as some may require special communicates with the SD Series using Modbus ASCII jumper/switch settings, external power supply require- via IRCOMM over IrDA. IDC supports wireless commu- ments or special signals from the software.

  • Page 49: Troubleshooting

    PC software’s protocol or parity may be wrong. agreement. Verify the COM bus is active. Parity should be 8, n, 1. Verify operation with Watlow communications Application software is not working properly. tool available at www.watlow.com. Add termination resistors for EIA/TIA-485 May need termination, pull-up and pull-down (see Install and Wire chapter).
  • Page 50 Cannot change the limit or alarm- set point. [`LOC] * Note: For FM Approval, the parameter must be set to 3 or the limit must be mounted re- motely to restrict casual user adjustment. Watlow Series SD Limit Chapter 9 Features...

  • Page 51: Error Messages

    Calibration may be corrupted. Restore factory calibration. [Er; C S] Checksum error Settings may have changed unexpectedly. Press the Reset Key to clear the error. Verify settings. If error message persists, contact the factory. Watlow Series SD Limit Chapter 9 Features...

  • Page 52: Appendix

    For resistive loads only, must use RC suppression for inductive RTD: -328 to 1,472°F -200 800°C loads Process: -1,999 to 9,999 units • 20 VA pilot duty, 120/240VÅ (ac) • Electrical life 100,000 cycles at rated current Watlow Series SD Limit Appendix...
  • Page 53 1 to 4 (SD _ _ - _ F _ _ - _ _ _ _ ) are 0.8. Nm (7 in-lb); terminal blocks 12, 13, 14 are 0.9 Nm (8 in-lb). • Solid or tinned wire recommended. Watlow Series SD Limit Appendix...

  • Page 54: Ordering Information

    Display Colors and Custom options RG or RR Red Green Red Red (Not available on 1/32 DIN) *UL-approved PID control and PID profiling versions are available. For more information, go to www.watlow.com or contact your local Watlow representative. Watlow Series SD Limit Appendix...

  • Page 55: Index

    Filter Time Constant 41 Modbus RTU Protocol 44 Sampling rate 49 Filter Value 25 Model Number information 51 Save User Settings 34 Filtered Process Value 23 National Electric (NEC) 11 Saving and Restoring User Settings 40 Watlow Series SD Limit Appendix...
  • Page 56 Up and Down Keys 19 Upper Display 19 Upper Display Look 28 Voltage Process Input Cal Procedure 37 WATCONNECT™ 44 Watlow web site 44 Wiring 11 1 to 10VÎ Process Input 12 4 to 20 mA Process Input 13 485 Converter 17...
  • Page 57 21, 26 [Lgc3] 21, 27 [`Lin] 21, 24 [`LOC] 21, 29 [Lsd1] 21, 25 [Lsd2] 21, 26 [Lsd3] 21, 26 [O3; 1 6] 22, 36 [O3; 1 u] 22, 36 [O3 ; 4 A] 22, 36 Watlow Series SD Limit Appendix...
  • Page 58 Notes Watlow Series SD Limit Appendix...
  • Page 59 Notes Watlow Series SD Limit Appendix...

  • Page 60: Declaration Of Conformity

    Declaration of Conformity Series SD Watlow Winona, Inc. 1241 Bundy Blvd. Winona, MN 55987 USA Declares that the following product: Designation: Series SD Model Numbers: SD(3, 4, 6, 8 or 9) (C or L) – (H or L) (C, F, J or K)(A, C, J, K or U) (A, C, E, F or K) –...
  • Page 61 S S A A TISF TISFA A CTI CTIO O N N 3 Year Warranty Corporate Headquarters in the Asia/Pacific: Watlow Australia Pty., Ltd. U.S.: 23 Gladstone Park Drive, Watlow Electric Manufacturing Co. Tullamarine, Victoria 3043 Australia 12001 Lackland Road Telephone: +61 (39) 335-6449 St.
  • Page 62 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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