RWF55 load controller
Use RWF55 as a compact 3-point stepper controller with no degree of adjustment feedback information, or as a fixed regulator with analog output. The external switch of the 2-point regulator that controls the 2nd stage burner can be used for switching. The installed thermostat function opens and closes the burner
Product features
1. Digital PID controller
2. The regulator that controls the 2nd stage burner can be switched to a 2-point regulator
3. Automatic thermostat (or pressure detector) function under low load operation
4. Setpoint control sensor for weather determination
5. Minimum and maximum limit devices for boiler temperature or pressure
6. Potential free, configurable contacts
7. Manual operation mode
8. Automatic adjustment function
9. Set parameters and visual management through USB interface and PC software ACS411
10. Communication through bulk Modbus interface or optional Profibus interface
11. Slope function (cold start/thermal shock protection)
12. Heating/Cooling
Specification parameters
Power supply AC 110... 240V+10/-15% 48... 63HZ.
Electrical safety in accordance with DIN EN 60730, Part 1
Overvoltage category III
Pollution level 2
Maximum power consumption of 20VA
Tightening torque 0.5Nm
Emission interference level B
Industrial requirements for anti-interference performance
Protection level according to DIN EN 60529
Front IP66
Back IP20
Working environment operating standard DIN EN 60721-3-3
Climate condition level 3K3
Mechanical condition level 3M3
Temperature range -20.+50 ℃
Temperature<95% rF