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Limits and Alarms Controllers

Limits and Alarms Controllers

Watlow® single- and multi-loop limits/alarm controllers provide a low-cost solution for single- and multi-channel, redundant temperature monitoring. These limits and alarms can continuously monitor thermocouples, RTDs or thermal switches. Agency approved performance in safety limit applications, including UL®, CSA, A.G.A. and FM (on some models). All are available with industry standard I/O options. All Watlow limit/alarm controllers are designed and manufactured to withstand harsh industrial environments, and come with a three-year warranty for CONTROL CONFIDENCE®.

Controller DIN Size Accuracy Operating Environment
EZ-ZONE® RM Subpanel or DIN-Rail mountable ±0.10% 0 to 149ºF
(-18 to 65ºC)
EZ-ZONE PM 1/32 or 1/16 DIN Panel ±0.10% 0 to 149ºF
(-18 to 65ºC)
EZ-ZONE ST Back Panel or DIN-Rail mountable ±0.10% 0 to 149ºF
(-18 to 65ºC)
SERIES LV Open board, DIN-Rail or 1/8 DIN square ±1.00% 32 to 158°F
(0 to 70°C)
SERIES LF Open board, DIN-Rail or 1/8 DIN square ±1.00% 32 to 158°F
(0 to 70°C)
SERIES SD_L 1/32 to 1/4 DIN ±0.10% 0 to 149°F
(-18 to 65°C)
SERIES SD6L_D 1/16 DIN Panel ±0.10% 0 to 150°F
(-18 to 65°C)
SERIES 97 1/16 DIN ±0.10% 32 to 149°F
(0 to 65°C)
TLM-8 Thermal Limit Monitor Panel or DIN-Rail mountable ±5% of limit at 25°C 32 to 140°F
(0 to 60°C)
CAS200 Alarm Scanner 1/8 0.07% at 25°C 32 to 120°F
(0 to 50°C)

Applications

Related Literature, News and Downloads

Click on the below links for more product information. PDF documents require Adobe® Reader® version 7 or higher for viewing.

Specification Sheets & Brochures Size/Pages
SERIES 94  110K / 2   (PDF)
SERIES SD6_D - Series SD 1/16 Din PID Controller with DeviceNet Communications  89K / 2   (PDF)
SERIES SD - Series SD Controller Family  344K / 4   (PDF)
EHG SL10 Process Controller and Safety Limit  2,037K / 4   (PDF)
Thermal Solutions for Foodservice Equipment  2,010K / 6   (PDF)
WATVIEW HMI Software  1,221K / 2   (PDF)
CAS200 Scanner  405K / 4   (PDF)
TLM-8 Thermal Limit Monitor  89K / 2   (PDF)
Basic Temperature and Limit Controllers  102K / 4   (PDF)
EZ-ZONE PM Express Panel Mount Controller  498K / 4   (PDF)
Complete Thermal System Solutions for Plastics Processing  3,509K / 12   (PDF)
EZ-ZONE RM Rail Mount Controller  331K / 8   (PDF)
Related News Releases and Newsletters Date
The EZ-ZONE® RM Rail Mount Multi-Loop Integrated Controller ... 09-Jun-2009
The EZ-ZONE® PM Express Panel Mount Controller from Watlow® ... 01-Apr-2009
Watlow's On-off Temperature and Limit Controllers Now RoHS Compliant 24-Mar-2008
Related Technical Documents Size/Pages
CAS200 User Guide Rev A, Nov 08 847K / 124  (PDF)
CLS200, MLS300 and CAS200 Communications Specification, Rev 3.0, November 2003 656K / 92  (PDF)
EM Gateway User's Manual 0600-0040-0001 Rev D 671K / 28  (PDF)
EZ-ZONE PM Express (Limit) Revision B 2/5/09 1,301K / 5  (PDF)
EZ-ZONE PM Limit User Manual Rev H 7,519K / 85  (PDF)
EZ-ZONE RM System User Manual Rev B. 10/08/2009 15,975K / 458  (PDF)
EZ-ZONE® PM Benutzerhandbuch Grenzwertreglermodelle Rev G 7,758K / 77  (PDF)
Engineering Bulletin Over/Undertemperature Protection, Rev D, September 2003 81K / 2  (PDF)
Modbus RTU Example in Visual Basic 6.0 (.zip file) 23K / 0 
SDAC User's Guide Rev 4.0 December 2004 237K / 4  (PDF)
SERIES 146 Retrofit Guide 402K / 118  (PDF)
SERIES 146 Retrofit Guide and User's Manual 402K / 118  (PDF)
SERIES 92 Retrofit Guide and User's Manual 315K / 63  (PDF)
SERIES 92 User's Manual, DIN Rail Mount Limit or Temp Control, Rev B, March 1998 217K / 13  (PDF)
SERIES 94 User's Manual, 1/16 DIN Limit Controller, Rev C June 2002 620K / 40  (PDF)
SERIES 96/97 Instruction Sheet, Field-Expandable Output Modules, Rev A, September ... 104K / 1  (PDF)
SERIES SD Family Calibration Manual, Rev A, August 2003, 0600-0041-0030 156K / 8  (PDF)
SERIES SD Limit EDS File (SD6L-XJXA-DNXX), Rev 2.1 26K / 1 
SERIES SD Limit EDS File (SD6L-XJXA-DSXX), Rev 2.1 26K / 6 
SERIES SD Limit, Rev. B, November 2004 1,026K / 60  (PDF)
Series 97 User Manual Rev E July 2005 1,085K / 88  (PDF)
Series L Temperature Limit - Rev. G 2/2008 1,050K / 20  (PDF)
Series SD6 Limit With Devicenet Rev B May 2005 108K / 21  (PDF)
TLM-8 User's Guide, Rev D October 2007 404K / 8  (PDF)
Use of Temperature Safety Limits in the Semiconductor Industry 32K / 3  (PDF)
WATVIEW User Manual rev B; June 2004 3,750K / 36  (PDF)
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