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Watlow EZ-ZONE ST User Manaul

Integrated control loop
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Integrated Control Loop
0600-0052-0000 Rev. F
January 2010
EZ-ZONE
User's Manual
1241 Bundy Boulevard., Winona, Minnesota USA 55987
Phone: +1 (507) 454-5300, Fax: +1 (507) 452-4507 http://www.watlow.com
ST
®
TOTAL
CUSTOMER
SATISFACTION
3 Y ear Warranty
ISO 9001
Registered Company
Winona, Minnesota USA
Made in the U.S.A.

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Summary of Contents for Watlow EZ-ZONE ST

  • Page 1 Integrated Control Loop TOTAL CUSTOMER SATISFACTION 3 Y ear Warranty 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 0600-0052-0000 Rev. F Made in the U.S.A. January 2010...
  • Page 2 Applications Engineer. Please have the following scrap the unit. information available when calling: 7. Watlow reserves the right to charge for no trouble found (NTF) returns. • Complete model number ®...

  • Page 3: Table Of Contents

    Table of Contents Chapter 1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 ®...
  • Page 4 Table of Contents (cont .) Modbus - Using Programmable Memory Blocks . . . . . . . . . . . . . . . . . . . . . 75 CIP - Communications Capabilities .

  • Page 5: Chapter 1: Overview

    So if you are looking for a PID controller with prevent load failure or blowing fuses high amperage outputs, an over-under limit controller PID temperature control or an integrated controller, the EZ-ZONE ST is the answer. • Provides accurate temperature control • Provides a single input and dual outputs Features and Benefits •...

  • Page 6: A Conceptual View Of The St

    Function Key Menu (Setup Page). If interested in learning more about the RUI and how it is used with the ST retrieve the RUI user manual from the Watlow web site. Point your browser to: http://www.watlow.com/literature/pti_search.cfm?dltype=5 Once there, type in EZ-ZONE for a keyword at the bottom of the page and then click on the search button to find the user manual.

  • Page 7: Getting Started Quickly

    Once received, a user the Output Menu. Push and hold the up would want to setup their control prior to op- and down keys (¿ ¯) EZ-ZONE ST Default Configuration for 6 seconds to enter. eration. As an example, Input Output Function...
  • Page 8 EZ-ZONE ® ST System Diagram Output Input Functions Functions Output 1 off, heat, cool Solid State Relay (form A) Controller Analog Input 1 none, Thermocouple, RTD (100Ω, Input Sensor 1kΩ), Process (V, mV, mA) (Optional - Ramp/Soak max 4 Output 2 off, heat, cool files, 40 steps) 5A Mechanical Relay (form A), or...

  • Page 9: Chapter 2: Install, Wire And Set Address

    (4.97 in) (1.16 in) (2.5 in) 25 A (shown) Side View 98.6 mm (3.88 in) 40 A EZ-ZONE ST Without a 25A or 40A Contactor 51.6 mm 156 mm (2.03 in) (6.14 in) 36.2 mm 51.6 mm 25 A heatsink (shown) 156 mm (2.03 in)
  • Page 10 EZ-ZONE ST Without a Contactor Front View Side View 215.1 mm 51.6 mm (8.47 in) (2.03 in) WARNING: The heat sink can be- 46 mm (1.18 in) come hot during 39.9 mm operation . (1.57 in) CAUTION: The 35 mm (1.38 in)

  • Page 11: Wiring

    Wiring Ó with a contactor (ST _ _ - (B or F) _ _ _ - _ _ _ _) WARNING: Use National Electric (NEC) or other country-specific Note: standard wiring and safety prac- A2 is connected internally to terminal 98 . tices when wiring and connecting ST_ B - _ _ _ _ - _ _ _ _ (no limit) A1 is connected internally to the contac-...
  • Page 12 Wiring without a contactor (ST _ _ - A _ _ _ _ - _ _ _ _ ) Ó fuse fuse WARNING: Use National Electric (NEC) or other country- specific standard wiring and safety practices when wiring load and connecting this controller to a power source and to electrical sensors or peripheral devices .
  • Page 13 fuse fuse load Output 1 (SSR) Ground Connection neutral Connect the ground to the heat sink. There is no ground connection on mod- fuse load els without a heat sink. Output 1 (SSR) EZ-ZONE™ ST Integrated Control Loop Patent Pending Indicator LIMIT Lights...
  • Page 14 Internal wiring in an ST Internal wiring in an ST with a single-pole contactor with a double-pole contactor without a limit (ST _ B - B _ without a limit (ST _ B - F _ _ _ - _ _ _ _). _ _ - _ _ _ _).
  • Page 15 fuse 120VÅ (ac) Do not switch or EZ-ZONE™ ST neutral fuse neutral wire! Integrated Control Loop Patent Pending fuse LIMIT STATUS OUT 3 OUT 2 Power fuse Power contactor customer supplied coil limit contactor N.O. (Output 4) EZ-ZONE™ ST Patent Pending limit relay Integrated Control Loop...

  • Page 16: Installation

    Installation Mounting and Dismounting the Controller from a DIN Rail To mount the controller on a DIN rail, first To dismount the controller, first use a hook the top flange on the back of the heat screwdriver to pull down the small le- sink on to the top of the DIN rail.

  • Page 17: Replacing The Solid-State Relay

    Replacing the Solid-State Relay on a Controller without a Contactor (ST _ _-A _ _ _-_ _ _ _) 1. Pinch the release levers on the top and 2. With a Phillips screwdriver, remove 3. Lift the controller body, exposing bottom of the control module and lift the the four nearest screws that were un- the solid-state relay.
  • Page 18 Replacing the Solid-State Relay on a Controller with a Contactor (ST _ _ - (B or F) _ _ _ - _ _ _ _) 1. Pinch the release levers on the top and 2. With a Phillips screwdriver, remove bottom of the control module and lift the the four nearest screws that were under right edge forward to detach the unit.

  • Page 19: St Isolation Block

    Indicator Lights and Slot Identification EZ-ZONE™ ST Integrated Control Loop Patent Pending Solid-State Relay: Indicates that the solid-state LIMIT relay is in an on state. STATUS Limit: Status: OUT 3 Indicates that the controller is OUT 2 Flashing green indicates the in a limit state.
  • Page 20 Power Ó Slot C power Warning: fuse • Minimum/Maximum Ratings power Use National Electric (NEC) • 85 to 264VÅ (ac) or other country-specific • 20.4 to 26.4 VÅ (ac) / VÎ (dc) • 47 to 63 Hz standard wiring and safety •...
  • Page 21 Input 2 Thermocouple Ó Slot A Warning: • 20 kΩ maximum source resistance Use National Electric (NEC) • >20 MΩ input impedance or other country-specific • 3 microampere open-sensor detection standard wiring and safety • Thermocouples are polarity sensitive. The negative lead (usually practices when wiring and red) must be connected to S2.
  • Page 22 Digital Input 5 - 6 Ó Digital Input Voltage Input Slot C Warning: • Update rate 1 Hz • Dry contact or dc voltage Use National Electric (NEC) common or other country-specific standard wiring and safety DC Voltage • Input not to exceed 36V at practices when wiring and 3 mA connecting this controller to...
  • Page 23 Selection Output 1 Solid-State Relay with a Contactor Ó Warning: Use National Electric (NEC) fuse or other country-specific See Quencharc note. standard wiring and safety Output 1 (SSR) ST _ _ - B _ _ _ - _ _ _ _ (contactor) Power Supply practices when wiring and ST_ _ - _ _ A _ - _ _ _ _...
  • Page 24 Output 2 Mechanical Relay, Form A Ó • 5 A at 240VÅ (ac) or 30VÎ (dc) maximum resistive load Warning: Slot B • 20 mV at 24V minimum load Use National Electric (NEC) normally open • 125 VA pilot duty @ 120/240VÅ or other country-specific (ac), 25 VA at 24VÅ...
  • Page 25 . Quencharc Wiring Example In this example the Quencharc NOTE: To prevent ground circuit (Watlow part# 0804-0147- User Load 0000) is used to protect ST in- loops, isolation needs to be ternal circuitry from the counter...
  • Page 26 RTU or EIA-485) controller with the heat-sink controller on network. fins aligned vertically . Modbus RTU or Standard Bus EIA-485 Modbus-IDA EIA/TIA-485 Watlow Termi- Function Terminal Name nal Label NOTE: Terminals L4 and CA or CD T-/R- A1 on the limit connector...
  • Page 27 Place a 120 Ω resistor across practices when wiring and wires . connecting this controller to A network using Watlow's Standard Bus and an RUI/Gateway . a power source and to elec- trical sensors or peripheral Power EZ-ZONE ST Supply devices .

  • Page 28: Setting The Address

    As many as 247 controllers can be connected to a * Defaults network. Note: The Standard bus address of an EZ-ZONE ST con- Changing the Modbus parameters listed above troller with the Modbus™ RTU option (ST _ _-_ _ M must be done over Modbus using ST firmware re- _-_ _ _ _) ranges from 1 to 8, because DIP switch 4 is lease 2.0 and earlier.

  • Page 29: Conventions Used In The Menu Pages

    Watlow Standard Bus Controller Address Header Name Definition The address of an EZ-ZONE ST controller using Identifies unique param- Standard Bus exclusively (ST_ _ - _ _ A _ - _ _ _ _ ) eters using Profibus DP Profibus Index...
  • Page 30 RUI/ or low order Watlow provides the user the ability to GTW equipped with a DeviceNet or EtherNet/IP swap this order (Setup Page, [Com Menu) from the card.
  • Page 31 ST control download the RUI/Gateway User Manual by pointing your browser to: http://www.watlow.com/literature/pti_search.cfm?dltype=5 Once there move to the bottom of the page and enter EZ-ZONE into the Keyword field and then click the search button.

  • Page 32: Chapter 3: Operations Pages

    Chapter 3: Operations Pages Control Module Operation Page Parameters To go to the Operations Page from the Home Page, press the Up ¿ or Down ¯ key to select and then press both the Up ¿ and Down ¯ keys for three sec- press the Advance Key to enter.

  • Page 33: Analog Input Menu

    Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) [``Ai] [oPEr] Analog Input Menu float Instance 1 Inst. 1 Analog Input (1 to 2) -1,999.000 to 9,999.000°F 0x68 (104) 4001...

  • Page 34: Digital Input/Output Menu

    Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) `dio] [oPEr] Digital Input/Output Menu uint Instance 1 Inst. 5 Digital Output (5 to 6) [`off] Off (62) 0x6A (106) 6007...

  • Page 35: Loop Menu

    Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) float Monitor (1) 0.0 to 100.0% Instance 1 0x97 (151) - - - - 8011 Inst.
  • Page 36 Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) float Control Loop (1) 0.001 to 9,999.000°F or 25.0°F 0x97 8009 Instance 1 Inst.

  • Page 37: Alarm Menu

    Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) [ALM] [oPEr] Alarm Menu float Alarm (1 to 2) -1,999.000 to 32.0°F Instance 1 0x6D 9002 Inst.

  • Page 38: Current Menu

    Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) uint No Dis- Alarm (1 to 2) Yes (106) - - - - 0x6D - - - - 9011...

  • Page 39: Profile Status Menu

    Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) * Some parameters in the Profile Status Menu can be changed for the currently running profile, [P;...
  • Page 40 Operations Page RUI/ Data Modbus Class Pro DP Parameter Name Type Display Range Default Relative Ad- Instance Index Description Mod- & Read/ dress Attribute Write hex (dec) - - - - - - - - Profile Status 0 to 59 - - - - - - - - 22076...

  • Page 41: Chapter 4: Setup Pages

    Chapter 4: Setup Pages Control Module Setup Page Parameters To go to the Setup Page from the a yellow background color. menu prompts. Home Page, press both the Up ¿ • Press the Advance Key • Press the Infinity Key ˆ to and Down ¯...

  • Page 42: Analog Input Menu

    To go to the Setup Page from the Home Page, press both • Press the Infinity Key ˆ to move backwards the Up ¿ and Down ¯ keys for six seconds. [``Ai] will through the levels: parameter to submenu; sub- appear in the upper display and [`Set] will appear in menu to menu;...
  • Page 43 Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Analog Input (1 to 2) -100.0 to 1,000.0 Instance 1 0x68 (104) 4015 Inst. 1 float [`S;...

  • Page 44: Digital Input/Output Menu

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Analog Input (1 to 2) [`off] Off (62) Instance 1 0x68 (104) - - - - 4028 Inst.
  • Page 45 Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Digital Output (5 or 6) 0.1 for Fast and Bi-Directional Instance 5 0x6A 6003 Inst. 5 float [`o;...

  • Page 46: Limit Menu

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Digital Input (5) 0 to 4 Instance 1 0x6E 10004 Inst. 5 uint [``Fi] [ Fi] Function Instance (110)
  • Page 47 Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Control Loop (1) [``no] No (59) Instance 1 0x97 (151) - - - - 8022 Inst.
  • Page 48 Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Control Loop (1) Set Point Open Loop Limit Instance 1 0x6B - - - - 7011 Inst.

  • Page 49: Output Menu

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Control Loop (1) -1,999.000 to 9,999.000°F or 9,999°F or Instance 1 0x6B 7004 Inst. 1 float [`h;...

  • Page 50: Alarm Menu

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Output (1 to 4) 0.1 to 60.0 seconds (solid-state 0.1 sec. Instance 1 0x6A 6003 Inst.
  • Page 51 Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Alarm (1 to 2) 1 or 2 Instance 1 0x6D 9018 Inst. 1 uint [`is;...

  • Page 52: Current Menu

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write Alarm (1 to 2) [`oFF] Off (62) Instance 1 0x6D 9016 Inst. 1 uint [A;...

  • Page 53: Function Key

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write [`FUn] [`Set] Function Key Instance 1 10003 Inst. 1 Function Key (1 to 2) [none] None (61) None 0x6E...

  • Page 54: Global Menu

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write [gLbL] [`Set] Global Menu Global [```F] °F (30) °F Instance 1 - - - - 3005 - - - - uint [`C_F]...

  • Page 55: Communications Menu

    Setup Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Description Index Mod- Address Attribute Read/ hex (dec) Write [CoM] [`SEt] Communications Menu Instance 1 17007 Inst. 1 Communications (1) 1 to 247 0x96 (150) - - - - uint...

  • Page 56: Chapter 5: Profiling Page

    Chapter 5: Profiling Page The Profiling Page allows you to enter your ramp propriate action. and soak profile information. • [none] No action To go to the Profiling Page from the Home Page, • [ProF] Begin execution from first step of the press the Advance Key for three seconds, until specified profile number, whether it exists or...
  • Page 57 Profile Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Index Par ID Description Mod- Address Attribute Read/ hex (dec) Write - - - - Step (1 to 40) [UStP] Unused Step (50) Unused Instance 1 0x79...
  • Page 58 Profile Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Index Par ID Description Mod- Address Attribute Read/ hex (dec) Write - - - - Step (1 to 40) -1,999.000 to 9,999.000°F 0.0°F or Instance 1 0x79 21011 Inst.
  • Page 59 Profile Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Instance & Index Par ID Description Mod- Address Attribute Read/ hex (dec) Write - - - - Step (1 to 40) [`oFF] Off (62) Instance 1 0x79 21007 Inst.
  • Page 60 Display Step Type Parameters in Step Type Description Step Types [``JS] Jump Step [``jl] Jump Loop [ JL] [``JC] Jump Count A Jump Loop step will jump to the Jump Step the number [Ent1] Event Output 1 of times designated in Jump Count. Loops can be nested up [Ent2] Event Output 2 to four deep.

  • Page 61: Chapter 6: Factory Pages

    Chapter 6: Factory Pages Control Module Factory Page Parameters Note: To go to the Factory Page from the Home Page, press Some of these menus and parameters may not appear, and hold both the Advance and Infinity ˆ keys for depending on the modules options.

  • Page 62: Custom Setup Menu

    Control Module • Factory Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Ad- Instance & Description Index Mod- dress Attribute Read/ hex (dec) Write [CUSt] [FCty] Custom Setup Menu uint Custom [nonE] None (61) See: Instance 1 - - - -...
  • Page 63 Control Module • Factory Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Ad- Instance & Description Index Mod- dress Attribute Read/ hex (dec) Write - - - - uint Security Setting 1 to 3 Instance 1 - - - - - - - -...

  • Page 64: Security Setting Menu

    Control Module • Factory Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Ad- Instance & Description Index Mod- dress Attribute Read/ hex (dec) Write - - - - uint Security Setting 10 to 999 Instance 1 - - - - - - - -...

  • Page 65: Calibration Menu

    Control Module • Factory Page Data RUI/ Modbus Class Type Parameter Name Pro DP Display Range Default Relative Ad- Instance & Description Index Mod- dress Attribute Read/ hex (dec) Write dint No Dis- Diagnostics 17 or 31 Instance 1 0x65 - - - - 1001 Inst.

  • Page 66: Chapter 7: Features

    In the following chapter, there will be many visual references to prompts as related to the features and as seen on the face of the Remote User Interface (RUI) which is optional hardware . To learn more about the RUI point your browser to: http://www .watlow .com/literature/pti_search .cfm?dltype=5 and type in EZ-ZONE in the search field at the bottom of the page to find and download the RUI/Gateway User Manual .

  • Page 67: Saving And Restoring User Settings

    Manual Tuning causes the autotune function to restart; where with the EZ-ZONE ST changing the set point after an au- In some applications, the autotune process may not totune has been started has no affect.

  • Page 68: Inputs

    the set point. If it has not, reduce the setting by TUNE+ Band set to auto (0). This may occur with very half and wait another 10 minutes. Continue reduc- fast processes. In that case, set TRU-TUNE+™ Band ing the setting by half every 10 minutes until the to a large value, such as 100.

  • Page 69: Calibration

    accurate. Connect the low source resistance to the input you are calibrating. 2. Read the value of Electrical Measurement [`Mu] Negative Calibration Offset will (Factory Page, Calibration Menu) for that input. compensate for the difference Temperature Reading between the Sensor Reading and 3.

  • Page 70: Control Methods

    4 to 20 mA, 0 to 5V, 1 to 5V and 0 to 10V. (Setup Page, Loop Menu). The manual mode only al- lows open-loop control. The EZ-ZONE ST controller You can create a scale range representing other is normally used in the auto mode. The manual mode units for special applications.

  • Page 71: On-Off Control

    prior to sensor failure, and that power level is less On-off control can be selected with Heat Algorithm than 75 percent. [`h; A g] or Cool Algorithm [`C; A g] (Setup Page, Loop Menu). On-off hysteresis can be set with Heat Hysteresis [`h;...

  • Page 72: Proportional Plus Integral (Pi) Control

    Dead Band Adjust the proportional band with Heat Propor- tional Band [`h; P b] or Cool Proportional Band [`C; P b] In a PID application the dead bands above and below (Operations Page, Loop Menu). the set point can save an application’s energy and wear by maintaining process temperature within ac- ceptable ranges.

  • Page 73: Variable Time Base

    Variable Time Base variable inside the sine wave. This control method provides a variable voltage output with soft start ca- Variable time base is the preferred method for con- pabilities as well. trolling a resistive load, providing a very short time base for longer heater life.

  • Page 74: Alarms

    hysteresis value from the alarm high set point. View or change alarm hysteresis with Hysteresis [`A; h y] (Setup Page, Alarm Menu). Set Point degrees High Side Alarm Range Alarm High Set Point per minute Alarm Hysteresis Temperature ramps to Set Point at a set rate Time Heating System with Ramping Normal Operating Range...

  • Page 75: Using Lockout To Hide Pages And Menus

    Lockout Menu the hysteresis zone to activate the alarm function. If the EZ-ZONE ST has an output that is function- [LoC; O ] ing as a deviation alarm, the alarm is blocked when [loC;...

  • Page 76: Using Password Security

    Lockout Security [rLoC] to 5 and Set Lockout Se- ed to acquire administrative access to the control. curity [SLoC] to 0. The Administrator can either change the User and 4. The operator wants to read and write to the Home or the Administrator password or leave them in the Page and Profiling Page, and lock all other pages default state.

  • Page 77: Modbus - Using Programmable Memory Blocks

    When using the Modbus protocol, the ST control fea- are embedded into the ST firmware. Watlow refers tures a block of addresses that can be configured by to these assemblies as the T to O (Target to Origina-...

  • Page 78: Software Configuration

    2. Place the mouse over "All Programs" port. After installation of your converter if you are not 3. Navigate to the "Watlow" folder and then the sub- sure which communications port was allocated select folder "EZ-ZONE Configurator"...
  • Page 79 In the previous screen shot the ST is shown high- to display the menu and parameter of choice. As an lighted to bring greater clarity to the control in focus. alternative, clicking on the negative symbol next to Any EZ-ZONE device on the network will appear in Setup will collapse the Setup Menu where the Op- this window and would be available for the purpose erations Menu will appear next and perhaps deliver...
  • Page 80 (Saved in) and enter the file name (File name) as well. The default path for saved files follows: \Program Files\Watlow\EZ-ZONE CONFIGURA- TOR\Saved Configurations The user can save the file to any folder of choice.

  • Page 81: Chapter 8: Appendix

    Chapter 8: Appendix Troubleshooting Indication Description Possible Cause(s) Corrective Action Alarm won’t clear or Alarm will not clear or reset • Alarm latching is active • Reset alarm when process is within reset with keypad or digital input range or disable latching. •...
  • Page 82 Indication Description Possible Cause(s) Corrective Action [Li; L 1] Limit Low Sensor input below low limit • Temperature is less than limit set • Check cause of under temperature. set point point [Li; L 2] • Limit outputs latch and require reset •...
  • Page 83 Indication Description Possible Cause(s) Corrective Action Process doesn’t con- Process is unstable or never • Controller not tuned correctly • Perform autotune or manually tune trol to set point reaches set point system. • Control mode is incorrectly set • Set control mode appropriately (Open vs Closed Loop).

  • Page 84: Modbus - Programmable Memory Blocks

    Modbus - Programmable Memory Blocks Assembly Definition Addresses and Assembly Working Addresses Assembly Definition Assembly Working Assembly Definition Assembly Working Addresses Addresses Addresses Addresses 40 & 41 200 & 201 80 & 81 240 & 241 42 & 43 202 & 203 82 &...
  • Page 85 Modbus Default Assembly Structure 80-119 Assembly Definition Assembly Definition Registers Assembly Working Addresses Assembly Working Default Pointers Registers Default Pointers Addresses Registers 260 & 261 Registers 100 & 101 Registers 80 & 81 Registers 240 & 241 Pointer 21 = 360 & 361 Pointer 31 = 1882 &...

  • Page 86: Cip Implicit O To T (Originator To Target) Assembly Structure

    CIP Implicit O to T (Originator to Target) Assembly Structure CIP Implicit Assembly Originator (Master) to Target (ST) ST Assembly Parameter Assembly Class, Instance, Parameter Class, Instance, Members Data Type Data Type Attritbute Attritbute 0x77, 0x01, 0x01 DINT Loop Control Mode 0x97, 0x01, 0x01 DINT 0x77, 0x01, 0x02...

  • Page 87: Specifications

    Specifications Line Voltage/Power • Maximum closed resistance 100 Ω • 85 to 264VÅ (ac), 47 to 63Hz Current Measurement • 20 to 26Vı (ac/dc), 47 to 63Hz • Nominal operating frequency 50 to 60 Hz. • 12VA maximum power consumption without mechanical contac- •...

  • Page 88: Ordering Information

    No contactor and universal low voltage power supply 24 to 28V (ac/dc) ‡ Single pole, 40 A Watlow contactor, 24V (ac) power supply Å Single pole, 40 A Watlow contactor, 110 / 120V (ac) power supply Å Single pole, 40 A Watlow contactor, 208 / 240V (ac) power supply Å...
  • Page 89 EZ-ZONE ST Replacement Modules S T R C 0 __ __ __ __ __ __ __ STRC-0 (Series ST Replacement Control Module) - Output 1 is dedicated to controlling the internal Solid-State Relay. - Includes 1 universal input and 2 outputs for heat, cool or alarm Output 2, Digital I/O and Current Measurement 0.5 A solid-state relay...
  • Page 90 0000 Compact base version (no space for mechanical contactor) DPB1 Base housing with single-pole, 40 A Watlow contactor, 24VÅ (ac) power supply DPB2 Base housing with single-pole, 40 A Watlow contactor, 110/120VÅ (ac) power supply DPB3 Base housing with single-pole, 40 A Watlow contactor, 208/240VÅ (ac) power supply DPF1 Base housing with dual-pole, 40 A Watlow contactor, 24VÅ...

  • Page 91: Index

    Index [`A; b L] Alarm Blocking 49, 73 [Ent1] Active Event Output 1 38 [M; h L] Modbus Word Order 53 [AC; L F] AC Line Frequency 52, 71 [Ent1] Event Output 1 57 [Min] Minutes 55 [A; d SP] Alarm Display 50 [Ent2] Event Output 2 57 [Mon] Monitor Menu 32 [`A;...
  • Page 92 [`S; t i] Step Time Remaining 37, 38 Silencing 49, 73 Operations Page Alarm Menu 35 [`StP] Active Step 37 Source 48 Analog Input Menu 31 Type 48 [S; t yP] Active Step Type 37 Current Menu 36 Alarm Type 72 [S;...
  • Page 93 EZ Key 4 Locked Access Level 61, 74 outputs 4 Lock Operations Page 73 Output State 32 Lockout Menu 73 Lock Profiling Page 73 Factory Page Logic 49 Control Module 59 Parameter 1 to 20 60 Loop Menu 33 features and benefits 3 Parity 26, 53 Low Power Scale 43, 48 Filter Time 41, 67...
  • Page 94 Setup Page input 1 process 18 Control Module 39 input 1 RTD 18 Sides input 1 thermocouple 18 Alarm 49 input 2 process 19 Limit 44 input 2 RTD 19 Silencing 49, 73 input 2 thermocouple 19 single set point ramping 71 Modbus RTU or standard bus EIA- Soft Start 71 485 communications 24...

  • Page 95: Declaration Of Conformity

    NOTE 1: Use of an external filter is required to comply with conducted emissions limits for load terminals. For 230 Vac or less, use Watlow P/N 14-0019 or Crydom P/N 1F25 filters. For voltages up to 440 Vac use Watlow P/N 14-0020 or Crydom P/N 3F20 filters. A Line Impedance Stabilization Network (LISN) was used for conducted emissions measurements.
  • Page 96 Name of Authorized Representative Place of Issue General Manager January 2010 Title of Authorized Representative Date of Issue Signature of Authorized Representative CE DOC EZ-ZONE ST-01-10 Page 2 of 2 Wat l ow E Z-ZON E ® Appendi x • •...

  • Page 97: How To Reach Us

    Linby, Nottingham, NG15 8AA Postfach 11 65, Lauchwasenstr. 1 Latin America United Kingdom D-76709 Kronau Telephone: (0) 115 964 0777 Watlow de México S.A. de C.V. Germany Fax: (0) 115 964 0071 Av. Fundición No. 5 Tel: +49 (0) 7253 9400-0 Email: info@watlow.co.uk Col.

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