About Limit Controllers | Temperature Control
Limiters and monitors provide control and safety cut-out capabilities to protect personnel, products, and machinery against high or low temperatures.
These devices are used in process control applications where independent limit switching for over or under temperature is required. They allow users to define upper or lower limits by entering setpoint values. If the pre-set temperature limit is exceeded, the output switches to ensure that the system is in a safe state. For example, the limit or monitor device can shut the system down or trigger forced cooling. Applications that often require limit and monitoring devices are ovens, furnaces, combustion plants, steam systems, and food heating equipment, to name a few.
Thermal process applications often require monitors and limiters to be type-tested to appropriate standards, such as EN14597-1, FM3454, and SIL2. West Control Solutions offers a comprehensive range of devices, from simple, cost-effective units to high-end solutions.
Description of West Control Solutions TB 40-1 Temperature Limit Controller
The TB40-1 limit controller has been type-tested to DIN standards. The TB40-1 can be used for heating and refrigeration processes. It is suitable for all thermocouple types and resistance-type sensors.
Applications of TB 40-1 Temperature Limit Controller
- All applications where an over or under-temperature fault condition could present fire hazard or other hazard
- Heating system in buildings to DIN EN 12828
- Large hot-water boilers to DIN EN 12953-6
- Thermal transfer plants with organic heat transfer media to DIN 4754
- Oil-fired installations to DIN 4755
Benefits and Features of TB 40-1 Temperature Limit Controller
- Applicable for heating and cooling applications
- For all types of thermocouples and resistance transducers
- BluePort Front interface and BlueControl Software
- Maintenance manager and error list
- Alarm reset via RESET-key
- Alarm reset via digital
- Type tested to EN 14597 and cULus
Specifications of TB 40-1 Temperature Limit Controller
| Product Category: | Limit Controller |
| Dimensions and size: | 96mm x 48mm x 118mm (HxWxD), 1/8 DIN |
| Connectors: | Pins or screw terminals |
| Primary Input Type: | Universal (TC, RTD, DC linear mA/mV) |
| Output Type: | Relay |
| Max. Number of Outputs: | 3 |
| Control Type: | Temperature limiter |
| Power Supply: | 100–240V AC 50–60Hz 20-48V AC 50/60 Hz 22-65V DC |
| Panel Sealing: | IP65 |
| Certifications: | CE, Type tested to EN 14597 (replaces DIN 3440), cULus |
| Software Tools: | BlueControl |
Source: www.west-cs.co.uk
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