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NELSON 

HEAT TRACE 

 

 
 
 

 

 

 
 

NELSON

 

CM-2201/CM-2202 

HEAT TRACE CONTROLLERS 

Installation and Operating Instructions 

 

Summary of Contents for CM-2201

Page 1: ...NELSON HEAT TRACE NELSON CM 2201 CM 2202 HEATTRACECONTROLLERS Installation and Operating Instructions...

Page 2: ...g 3 3 Wiring 4 0 Initial Set up 5 4 1 Display Modes 4 2 Password Protection 4 3 Security Levels 5 0 General Operation 6 5 1 Display 5 2 Keypad 5 3 LED Functions 5 4 Monitoring 5 5 Alarm Management 5 6...

Page 3: ...Operator Checks 9 2 Ground Faults 9 3 RTDs 9 4 Common Warnings Alarms 10 0 Maintenance 20 Appendix A Specifications 21 Appendix B Wiring Diagrams 22 AppendixC TypicalInstallationDiagram 24 Appendix D...

Page 4: ...rating control monitoring programis entered throughout the following sections Foradditionhelp callNelsontechnicalsupportorfollow the Troubleshootingsection General Application Information CM 2201 CM 2...

Page 5: ...anbe120 VACwhilethe loadsbeingcontrolledcanbe277VAC Further thepower supplyfortheCM 2202mayalsobe derivedfromeitherof theloadsbeingcontrolled thisis implemented by connecting appropriate jumpers 4 0 I...

Page 6: ...ings Any settingcanbealteredbypressingthe UporDownarrow Notethata4 digitpasswordmay berequiredtochange certainsettings when required thecursorwillflashonthe leftmostdigit usetheUparrowtoincreasethisdi...

Page 7: ...titrestrictstheamount oftimethecable is energizedduringanygivenperiodtherebyreducingthe averagecurrentdrawofthecableduringthatperiod For example ifacablenormallydraws8Amps butcurrent limitissetto6Amps...

Page 8: ...l control algorithmwhereinthecableiscycledonandoffata rate proportional to the difference between the setpoint value and the actual monitored temperature As the difference between the setpoint value a...

Page 9: ...ealarm setpoint value 1 DisplayMode All 2 Range 50CtoMaintainTemperature Off 58 Fto Maintain Temperature Off 3 Default 5 Cor41 F 4 Restrictions Message does notexist if Maintain Temperature is set to...

Page 10: ...nt the heater circuit is de energized theGroundFaultTrip Alarm is activated and a GROUND FAULTTRIP message is added to the alarm stack This is a latching alarm and trip When thecause ofthealarmhasbeen...

Page 11: ...s normallybasedonthemeasuredtemperatureandmaintain temperature setpoint If the Override is set to Enable an open contact on the override inputs forces the heater Off When thecontact on the overrideinp...

Page 12: ...eAutoTestCycleis activated AutoTestisafeaturethatexercisesthesystem by automatically applying power to the heater at specified timeintervals Ifanalarmconditionisdetected duringthis period theAutoTestA...

Page 13: ...yed in the selectedunitsofeitherCelsiusdegrees C or Fahrenheit degrees F 1 DisplayMode Advance 2 Range Celsius Fahrenheit 3 Default Celsius 7 3 5 Operational Costs ThisvaluesetsthecostperkWhofelectric...

Page 14: ...allowingthealarmoutputtobeforcedOneither forashortperiodoftimeorcontinuously Attheendofthe specified time duration the testing option is automatically disabled Thealarmtestfunctionwillnot operateifthe...

Page 15: ...e the alarm condition has been resolved the alarm can be cleared by sending the following instruction 04 05 0045 FF00 9C4C 04 controller Modbus number 05 Modbus function code 5 0045 writing to data ad...

Page 16: ...vious Note The controller monitors the integrity of the ground fault GF detection If a fault is detected the controller will generateaGFIwarning alarmdependofthesettings 9 3 RTDs RTD failuresafterinst...

Page 17: ...r displayed temperatureshouldbeabout32 F 0 C dependingon theactualresistanceofthetestresistorif RTDTYPE is setto100 Platinum Anyresistormay havea 10 tolerance 3 Unstable Temperature Anerraticindicatio...

Page 18: ...veheatingcable Openconnection wiringproblem SSRorcontactorfailedopen 9 4 4 Overcurrent Trip Ifthecontroller is unableto start thecabledue tohigh current or after attempting to soft start it the contro...

Page 19: ...arm Incorrectordamagedfieldwiring openleadsorexcess resistance eitherintermittentorcontinuous maybedue to brokenordamagedwiresorlooseterminals Damaged or inoperative temperature sensors 9 4 12 EEPROM...

Page 20: ...andadjustasrequired Clean door gasket b Verifythatmoistureisnotenteringenclosure repairas required c Checkterminalstoensureconnectionsaresecure d Checkwiringforanysignsofoverheating e Cleanfrontpanelw...

Page 21: ...CM 2201 CM 2202 110 277Vac 30Amps Solid StateRelays 30Amps per Channel 50or60Hz SolidStateRelay DPST Normally Open NO NEMA 4X Alarm Outputs 1 24VACto277VAC Max 0 5Amps Solid State Relay requires Min 1...

Page 22: ...s 1 SolidStateContact 2 InstallJumperat JP1 120 OHMResistor on both terminalsifCM 2201 is last device on network Elseinstall jumper on one terminal onlyof JP1 3 If Force feature isactivatedbyexternal...

Page 23: ...round Bus 3 Remove Jumper JP1 only if the controller is in RS485 Network AND is not the last unit on the Network 4 Connect Controller Power Supply as follows Controller Independently Powered Controlle...

Page 24: ...Appendices CM 2201 CM 2202 Appendix C Typical Installation Diagram 2018 Nelson Heat Tracing Systems www nelsonheaters com GA2497 Rev 6 24...

Page 25: ...Appendices CM 2201 CM 2202 Appendix D Mounting Details 2018 Nelson Heat Tracing Systems www nelsonheaters com GA2497 Rev 6 CM 2201 Mounting Details CM 2202 Mounting Details...

Page 26: ...f 40006 5 2 High Temp Alarm in C x per 1 C 50 to 500 32767 if Set to Off 40007 6 2 Deadband in F x per 1 F 1 to 10 40008 7 2 Deadband in C x per 1 C 1 to 5 40009 8 2 Low Current Alarm x per 0 1A 1 to...

Page 27: ...t CM 2201 12 character limit CM 2202 See Appendix E for ASCII chart 40034 40042 33 41 16 Reserved 40043 42 2 bits Variable name 0 GF Test CH 1 00 Auto Test Cycle 01 Now 10 Disable 1 2 Reserved 3 Alarm...

Page 28: ...ault Display 00 System Status 01 Heater Status 10 Heater Temp 11 12 Baud Rate 001 2400 bps 010 4800 bps 011 9600 bps 100 19200 bps 13 14 15 Heater Type CH 1 0 Fixed resistance 1 Self regulating 40201...

Page 29: ...1V 85 to 280 ch2 32767 if Set to Off 40215 214 2 Power Limit x per 10 1 to 10 ch2 32767 if Set to Off 40216 215 2 SoftStart x per 1 Second 10 to 999 ch2 32767 if Set to Off 40217 216 2 Auto Test Cycle...

Page 30: ...RTD Fail 32763 if Undetected 40049 48 2 RTD B Temp in F x per F 32765 if RTD Fail 32763 if Undetected 40050 49 2 RTD B Temp in C x per C 32765 if RTD Fail 32763 if Undetected 40051 50 2 Heater Power x...

Page 31: ...40075 40076 74 75 4 Alarm Stack 03 2 High Temp Alarm 40077 40078 76 77 4 Alarm Stack 04 4 Low Current Alarm 40079 40080 78 79 4 Alarm Stack 05 8 High Current Alarm 40081 40082 80 81 4 Alarm Stack 06 1...

Page 32: ...Continuity Failure Alarm 40133 40134 132 133 4 Log Stack 12 1024 SSR Failed Shorted Alarm 40135 40136 134 135 4 Log Stack 13 2048 RTD A Fail Alarm 40137 40138 136 137 4 Log Stack 14 4096 Reserved 401...

Page 33: ...d 40239 238 2 Max Temp in C x per C ch2 32765 if RTD Fail 32763 if Undetected 40240 239 2 Min Temp in F x per F ch2 32765 if RTD Fail 32763 if Undetected 40241 240 2 Min Temp in C x per C ch2 32765 if...

Page 34: ...Stack 02 ch2 40256 40257 255 256 4 Alarm Stack 03 ch2 40258 40259 257 258 4 Alarm Stack 04 ch2 40260 40261 259 260 4 Alarm Stack 05 ch2 40262 40263 261 262 4 Alarm Stack 06 ch2 40264 40265 263 264 4...

Page 35: ...40295 293 294 4 Log Stack 2 ch2 40296 40297 295 296 4 Log Stack 3 ch2 40298 40299 297 298 4 Log Stack 4 ch2 40300 40301 299 300 4 Log Stack 5 ch2 40302 40303 301 302 4 Log Stack 6 ch2 40304 40305 303...

Page 36: ...centage in statistics Set On 0xFF00 to Reset 00163 162 2 Reset All Statistics Set On 0xFF00 to Reset 00164 163 2 Shut Off Alarm Output Set On 0xFF00 to Reset 00165 164 2 Reset Low Temperature Alarm Se...

Page 37: ...atistics Ch2 Set On 0xFF00 to Reset 00197 196 2 Reset Statistics Ch2 Set On 0xFF00 to Reset 00198 197 2 Shut Off Alarm Output Ch2 Set On 0xFF00 to Reset 00199 198 2 Reset Low Temperature Alarm Ch2 Set...

Page 38: ...Appendices CM 2201 CM 2202 Appendix F ASCII Table 2018 Nelson Heat Tracing Systems www nelsonheaters com GA2497 Rev 6 38...

Page 39: ...28 149 07 185 24 94 122 51 29 60 76 33 3 101 17 66 125 54 129 149 45 184 25 37 121 51 70 59 76 73 4 101 56 67 125 92 183 25 80 58 77 13 5 101 95 68 126 31 130 149 82 182 26 23 120 52 11 57 77 52 6 102...

Page 40: ...0 13 86 65 91 23 90 98 102 139 26 165 162 90 148 40 55 85 66 31 22 91 37 40 115 54 103 139 64 166 163 27 147 40 96 84 66 72 21 91 77 41 115 93 104 140 02 167 163 65 146 41 38 83 67 12 42 116 31 105 14...

Page 41: ...281 89 564 301 96 260 197 69 321 219 47 382 240 82 443 261 74 504 282 23 565 302 28 261 198 05 322 219 82 383 241 17 444 262 08 505 282 56 566 302 61 262 198 41 323 220 18 384 241 51 445 262 42 506 2...

Page 42: ...228 97 409 250 13 530 290 83 591 310 70 288 207 74 349 229 32 470 270 86 531 291 16 592 311 02 289 208 10 410 250 48 471 271 20 532 291 49 593 311 34 350 229 67 411 250 82 472 271 53 533 291 81 594 3...

Page 43: ...0 29 50 06 49 83 49 60 49 38 49 15 48 92 48 69 48 46 190 180 53 02 52 79 52 56 52 34 52 11 51 88 51 65 51 43 51 20 50 97 50 74 180 170 55 29 55 06 54 83 54 61 54 38 54 15 53 93 53 70 53 47 53 25 53 02...

Page 44: ...21 75 121 96 122 18 122 39 122 60 122 82 123 03 123 24 130 140 123 24 123 46 123 67 123 88 124 09 124 31 124 52 124 73 124 95 125 16 125 37 140 150 125 37 125 59 125 80 126 22 126 44 126 65 126 86 127...

Page 45: ...193 09 193 29 193 49 193 70 470 480 193 70 193 90 194 10 194 30 194 50 194 70 194 90 195 10 195 30 195 50 195 71 480 490 195 71 195 91 196 11 196 31 196 51 196 71 196 91 197 11 197 31 197 51 197 71 49...

Page 46: ...258 33 258 52 258 70 258 89 259 08 259 27 259 46 259 65 259 84 260 03 810 820 260 03 260 22 260 41 260 60 260 78 260 97 261 16 261 35 261 54 261 73 261 92 820 830 261 92 262 11 262 29 262 48 262 67 2...

Page 47: ...309 59 309 77 1080 1090 309 77 309 95 310 13 310 31 310 49 310 67 310 85 311 02 311 20 311 38 311 56 1090 1100 311 56 311 74 311 92 312 10 312 28 312 46 312 64 312 81 312 99 313 17 313 35 1100 1110 3...

Page 48: ...specifications information representation ofoperating conditions or other data toAppletonGroup in the selection or designofthe GoodsandthepreparationofAppletonGroup s quotation andintheeventthatactual...

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