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21

Default Settings

Below is the ITC parameter settings chart organized by Menu Screen. It includes the default, minimum, maximum 

and / or the range of settings, where applicable.  
The chart is for either 1 or 2 circuit units. 

Parameter Defaults, Min., Max. & Range & User Settings

Screen Menu & Parameter

3. Temperature Menu

Default

Min.

Max.

Also

User Settings

Temp Setpoint 1

45˚F

-80˚F

1,100˚F

Lo Temp Alarm 1

40˚F

-80˚F

1,050˚F

Off

Hi Temp Alarm 1

180˚F

-80˚F

1,150˚F

Off

Temp Setpoint 2

45˚F

-80˚F

1,100˚F

Lo Temp Alarm 2

40˚F

-80˚F

1,050˚F

Off

Hi Temp Alarm 2

180˚F

-80˚F

1,150˚F

Off

4. Current Menu

Default

Min.

Max.

Also

User Settings

Low Current Alarm 1

0.1 A

0.1 A

50.0 A

Off

Hi Current Alarm 1

40.0 A

0.1 A

50.0 A

Off

GFEP Setpoint 1

30 mA

30 mA

150 mA

GFEP Alarm/Trip 1

Alarm Only Alarm Only, Alarm & Trip; Latching & Non Latching

Low Current Alarm 2

0.1 A

0.1 A

50.0 A

Off

Hi Current Alarm 2

40.0 A

0.1 A

50.0 A

Off

GFEP Setpoint 2

30 mA

30 mA

150 mA

GFEP Alarm/Trip 2

Alarm Only Alarm Only, Alarm & Trip; Latching & Non Latching

5. Control Menu

Default

Min.

Max.

Also

User Settings

Auto Control Mode 1

PID

On / Off

PID

Auto / Manual / Off 1

Auto

0

100

Off

Deadband 1

10

2

100

Autotune 1

Off

Off

On

Proportional Band 1

20

1

100

Integral 1

500

0

9999

Rate 1

1

0

500

Soft Start 1

On

Off

On

Manual Offset 1

500

0

1000

Auto Control Mode 2

PID

On / Off

PID

Auto / Manual / Off 2

Auto

0

100

Off

Deadband 2

10

2

100

Autotune 2

Off

Off

On

Proportional Band 2

20

1

100

Integral 2

500

0

9999

Rate 2

1

0

500

Soft Start 2

On

Off

On

Manual Offset 2

500

0

1000

Summary of Contents for IntelliTrace ITC 2

Page 1: ...1 PK509 10 0037 75516 June 2018 Installation Operation Manual ITC 1 2 Circuit Heat Trace Controller Line or Ambient Sensing Ordinary Areas Class I Division 2 ...

Page 2: ...ogramming the ITC 11 Security Levels 11 The Temperature Menu 12 The Current Menu 12 The Control Menu 12 The Soft Start Function 14 The Comms Menu Communications 14 The System Menu 15 Current Sampling 19 Alarms 19 Dimensions 20 Default Settings 21 Specifications 23 Equipment Ratings 25 Field Wiring Considerations 25 Modbus Wiring Considerations 25 Customer Wiring 26 Modbus Serial Communications 28 ...

Page 3: ...ns when installing or operating this equipment Before working inside the equipment turn power off and ground all points of high poten tial before touching them Users should install adequate controls and safety devices with their electric heating equip ment Where the consequences of failure may be severe back up controls are essential Al though the safety of the installation is respon sibility of t...

Page 4: ... Communications RTU RS485 422 TCP Ethernet Full Monitoring Alarms High Low Temperature High Low Current GFEP Sensor Failure Programmable Duty Cycle On Sensor Failure Alarm Indication Announcement Password Protected Security Levels NEMA 4X Fiberglass or 316 SS Wall Mount Enclosure LED Indication for Power Load Alarm per Circuit Front Panel Capacitive Touch Switches One or two Sensor Inputs Circuit ...

Page 5: ... sensing controller that uses only one RTD to control both circuits Other standard features include Alarms 1xAC 1xDC for High Low Current GFEP Ground Fault Equip ment Protection High Low Temperature Sensor Failure ModBus RTU RS485 RS422 Communica tions Alarms may be set up to be normally open or normally closed Options Include TCP Ethernet Communications Wire less Temperature Sensing and 316 Stain...

Page 6: ...opera tion mode is set to AUTO The Soft Start program will increment the output by 1 every 1 second until the desired temperature is reached or the out put achieves 100 After the Soft Start program completes its cycle the Auto Control Mode of the system will return to either PID or ON OFF Control Mode depending what was selected by the user The Soft Start Program will not function if the control m...

Page 7: ...w the heat sink 4 The mounting surface customer mounting bracket and fasteners must be of suitable structural design to support four times the weight of the equipment Violating any of the heat sink clearance dimen sions or if the equipment is used or mounted in a manner not specified by Chromalox the pro tection provided may be impaired This could result in equipment damage personal injury or both...

Page 8: ... program menu screen and menu selection items 3 Capacitive touch keypad Circuit Number Set Point Temperature Process Temperature Current Load Bar Graph Value Mode of Operation Output per Circuit Soft Start Status Auto Mode Type PID or On Off Ambient Temperature Main Window In normal operating mode the main window screen on the ITC displays the circuit number set point tempera ture process temperat...

Page 9: ... Temp Alarm 2 Failed Sensor Output 2 Password Level 1 Password Level 2 Password Level 3 Alarm State Restore to Default Lo Current Alarm 1 Hi Current Alarm1 GFEP Setpoint 1 GFEP Alarm Trip 1 Lo Current Alarm 2 Hi Current Alarm 2 GFEP Setpoint 2 GFEP Alarm Trip 2 Baud Rate Parity Modbus ID IP Address DHCP Firmware Version Button Sound Units Temp Sensing 1 Temp Sensing 2 Failed Sensor Output 1 Mode C...

Page 10: ...t Menu 2 When viewing an adjustable parameter or setting increments that parameter DOWN to the next available value For a quick scroll push and hold the key ENTER 1 To accept a parameter or setting that has been entered or changed 2 Press to accept the change when view ing an adjustable parameter or setting 3 When in LOGIN Screen press to ad vance to next security digit RESET Resets or clears all ...

Page 11: ...FF by going one increment beyond the Highest setting Security Levels You must first enter a passcode that is aligned with the menu that you wish to access In most cases limited access to certain programming areas is desired The most frequently used parameter settings have the low est level of security Invalid passcodes will not be ac cepted and you will be returned to the LOGIN Screen Initial fact...

Page 12: ...turned OFF by going one increment beyond the Highest setting GFEP Setpoint Upper limit of the Ground Fault Equipment Protection Variable at which the system goes into alarm state GFEP Alarm Trip Action taken by controller when the GFEP Setpoint alarm condition is achieved The options are 1 Alarm Only Non Latching Output remains at selected output Alarm clears when sensed GFEP cur rent is 5mA GFEP ...

Page 13: ...s variables change significantly it is suggested to that the Autotune feature be turned off and then reinitiated Deadband Active ONLY when the ITC is in Auto Mode under On Off Control The temperature range equally divided above below the temperature set point where the controller will not take corrective action Example A setting of 10 for the deadband will result in a deadband that is 5 degrees ab...

Page 14: ...tomatic Control Mode of the system will return to either PID or ON OFF control depending on what was selected by the user The Soft Start Program will not function if the control mode is set to Manual The Comms Menu Communications Security Level 3 The Comms Menu provides access to the settings for Serial Communications Modbus RTU RS 485 or the optional TCP Ethernet Communications These com municati...

Page 15: ...Not Use This impacts whether the IP Address is to be automatically assigned by the host DHCP Server or manually entered by the operator See IP Address above USE Select USE if you desire to have the IP Address automatically assigned to the unit by the resident DHCP DO NOT USE Select DO NOT USE if you desire to manually assign an IP Address to the ITC unit NOTE One MUST cycle power to the unit AFTER...

Page 16: ...the factory default of the ITC is to have the IP Address assigned automatically by the host DHCP Server However if the IP Address was ob tained manually and now the desire is to have it estab lished automatically from a DHCP server the following steps must be taken 1 Navigate to DHCP within the COMMS menu and then press ENTER 2 Use the DOWN or UP keys to toggle the selection between USE and DO NOT...

Page 17: ...settings and their respective function are available when in AUTO Mode Single Output is based on the sensed temperature of only one RTD sensor The 2nd RTD Sensor is not recognized Average Output is based on the average sensed temperature of the two RTD Sen sors If Average is selected and only one sensor is employed the unit will sense an open sensor See Failed Sensor Operation below Low Output is ...

Page 18: ...temperature is either below 100 F or above 1500 F A failed RTD sensor shorted or open will send a faulty sensed temperature to the controller that exceeds these thresholds Therefore the user must understand the output of the ITC when a sensor fails Failed Sensor Operation 1 Single In Failed Open or Shorted RTD condition the ITC will switch to Manual Mode Output will be per specified by user Failed...

Page 19: ... ERROR Check if your RTD is correctly connected to the unit or damaged Alarm clears automatically Output will switch to Default Mode Re place RTD if necessary Low Temperature LO TEMP CKT Sensed temperature is below Lo Temp Alarm Setpoint Alarm will be cleared automatically when the sensed temperature is greater than the Low Temperature Alarm Setpoint 5 deg High Temperature HI TEMP CKT Sensed tempe...

Page 20: ... 7 6 Fiberglass Enclosure Inch 10 3 8 5 8 0 1 2 1 8 3 0 cm 26 2 21 3 19 7 3 2 4 4 7 6 Wall Mount Brackets Wall Mount Bracket Dimensions are in Inches 218 0 55 390 0 99 10 000 11 813 25 4 30 0 8 250 10 188 21 0 25 9 8 750 10 625 22 2 27 0 875 2 2 3 000 7 62 Dimensions are given for both enclosure types Fiberlgas 316SS Wall Mount Bracket Dimensions are in Inches cm ...

Page 21: ...A Off Hi Current Alarm 1 40 0 A 0 1 A 50 0 A Off GFEP Setpoint 1 30 mA 30 mA 150 mA GFEP Alarm Trip 1 Alarm Only Alarm Only Alarm Trip Latching Non Latching Low Current Alarm 2 0 1 A 0 1 A 50 0 A Off Hi Current Alarm 2 40 0 A 0 1 A 50 0 A Off GFEP Setpoint 2 30 mA 30 mA 150 mA GFEP Alarm Trip 2 Alarm Only Alarm Only Alarm Trip Latching Non Latching 5 Control Menu Default Min Max Also User Settings...

Page 22: ... Range User Settings Firmware Version Current Firmware Version Button Sound On Off On Units Fahrenheit Fahrenheit Celsius Temperature Sensing 1 Single Single Average Low High Temperature Sensing 2 Single Single Average Low High Use 1 RTD to control both circuits Failed Sensor Output 1 50 0 100 Failed Sensor Output 2 50 0 100 Password Level 1 Password Inputs Password Level 2 Password Level 3 Alarm ...

Page 23: ...ge 0 100 Soft Start Current Clamping Enable or Disable Settings Temperature PV Range 80 F to 1100 F Range 62 C to 593 C Low Temperature Alarm Range 80 F to 1050 F Off Range 62 C to 566 C Off High Temperature Alarm Range 80 F to 1150 F Off Range 62 C to 621 C Off Low Current Alarm Range 0 1 A 50 0 A Off High Current Alarm Range 0 1 A 50 0 A Off GFEP Range 30mA 150 mA 2 5 of Span or 3mA GFEP Alarm C...

Page 24: ...mmunications ModBus RTU RS485 2 or 4 wire RTU RS422 TCP Ethernet Baud Rate Hz 2400 4800 9600 19200 38400 56000 Parity Range Even Odd None ModBus ID Range 1 255 DHCP Range Use Do Not Use Ethernet IP Webserver over Ethernet Operating Environmental Temperature 40 F to 104 F 40 C to 40 C Humidity Relative Humidity 0 to 90 Power Supply 100 277 Vac 50 60Hz Protection IEC IP66 Enclosure Rating NEMA 4X FG...

Page 25: ...min with a maximum surge protection rating of 2500 Vpk Otherwise the ITC is rated at overvoltage Category II Field Wiring Considerations Torque values for line load wiring terminals 10 13 in lbs 1 1 1 5 N m Torque values for RTD 1 2 wiring terminals 6 8 in lbs 67 90 N m Torque values for shield grounding alarm wiring terminals 3 4 in lbs 33 45 N m Terminal Block Gauge Range Line Load 6 18 AWG Copp...

Page 26: ...SENSOR INPUTS COM Circuit1 Main ITC Board AC INPUT 100 277 VAC Breaker must be rated at 125 of max heater load but not to exceed 50 Amps AC 12 240 VAC Customer Supplied DC 0 42 VDC Customer Supplied Upper board applicable on 2 circuit units only 2 Circuit Ambient Sensing Control To control both circuits with one RTD the Sensor MUST be wired to RTD 1A INPUTon Circuit 1 Main ITC Board Shield Ground ...

Page 27: ...isplay Board RX RX N A RS485 2 Wire Must Jumper RX TX RX TX RS422 4 Wire RS422 4 Wire Use RX RX TX TX The lowest pin on the Green terminal blocks has no use All other Display Board connectors are for factory use ONLY Connection to these may damage the ITC Unit RS485 2 Wire TX TX N A Communications These connections are facilitated via the Display Board ...

Page 28: ...ollowed by a sequence of data characters The inter message gap is at least 3 5 data character times Data is encoded for each character as binary data transmitted LSB first For a QUERY the address field contains the address of the slave destination The slave address is given together with the Function and Data fields by the Ap plication layer The CRC is generated from the given address function and...

Page 29: ... Amp e g 154 15 4 Amp Sensed load on circuit 1 expressed as integer number ion tenths of Amp e g 154 15 4 Amp 30004 Control Output Command on Ckt 1 Control Output Command on Circuit 1 30005 Sensed Temperature on Ckt 2 Sensed Temperature on Circuit 2 30006 Setpoint circuit 2 Setpoint circuit 2 30007 Sensed ground fault current on Ckt 2 Sensed ground fault current on circuit 2 30008 Sensed load on C...

Page 30: ...0 no alarm Bit 1 Sensor 1A Error Bit 2 Hi Temp Ckt 1 Alarm Bit 3 Lo Temp Ckt1 Alarm Bit 4 GFEP Ckt 1 Alarm Bit 5 Lo Current Ckt1 Alarm Bit 6 Hi Current Ckt1 Alarm Bit 7 Reserved Bit 8 Sensor 1B Error 40012 Alarm Register Ckt 2 0 Bit state 1 alarm 0 no alarm Bit 1 Sensor 2A Error Bit 2 Hi Temp Ckt 2 Alarm Bit 3 Lo Temp Ckt2 Alarm Bit 4 GFEP Ckt 2 Alarm Bit 5 Lo Current Ckt2 Alarm Bit 6 Hi Current C...

Page 31: ... 100 0 Expressed as an integer number in tenths of Amp e g 250 25 0 Amp 40033 Soft Start Circuit 1 0 1 0 No 1 Yes 40034 Soft Start Circuit 2 0 1 0 No 1 Yes 40035 GFEP Alarm behavior Ckt 2 0 3 0 Alarm Only non latching 1 Alarm and Trip non latching 2 Alarm and Trip Latching 3 Alarm Only Latching 40036 Temperature sensing Circuit 1 0 4 0 Controller will take the highest reading out of two RTDs 1A an...

Page 32: ...r Service Hotline 1 800 443 2640 For application questions you can 1 Call one of our application engineers for personal assistance at 1 888 996 9258 2 Visit the technical reference section of our website at www chromalox com for downloadable manuals in PDF format Limited Warranty Please refer to the Chromalox limited warranty applicable to this product at http www chromalox com customer service po...

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