Room Thermostat, Commercial, FM
For controlling standard conventional positioners or analogue positioners (continuous-action controllers) without manual control. For heating and cooling (PI,PWM or 2-point) in conjunction with Bus Coupler 6120 U-10x-50x or Binary Input 6109 U-500. Only operating together with central plates 2114-xxx or 6541-xxx except 6541-20, -21, -260 and -266.
