Siemens RDG100

Siemens digital industrial room temperature controller S55770T 158

Manufacturer: Siemens Digital Industries
Designation: Room temperature controller
Type: S55770T 158
Type of power supply: 230 V AC
Measuring range: 0...49 °C
External sensor: No
Control characteristic: PI
Suitable for heating: Yes
Number of outputs for heating: 3
Number of outputs for cooling: 3
Differential value: 0.5...6 K
Differential adjustable: No
Temperature readable: Yes
Mounting type: Panel mounting channel
With display: Yes
Max. voltage of contacts: 230 V
Max. contact voltage: 230 V
Max. contact load: 5 A
Protection class (IP): IP30
Explosion-proof: No
Colour: Other
Height: 128 mm
Width: 93 mm
Depth: 30.8 mm
Temperature controller class: IV
Power consumption in standby mode: 8 W

Further details:
Operating modes: Comfort, energy-saving, and protected mode
Control outputs: 2-point, 3-point, or PWM
Fan speed: Automatic or manual
Inputs: 3 multifunctional inputs for keycard contact, external room/return sensor, heating/cooling changeover, operating mode changeover, window contact on/off, dew point monitoring, electric heater activated, fault contact
Heating/cooling mode: Automatic or manual
Adjustable commissioning and control parameters
Minimum and maximum setpoint limitation
Display: Backlight

Application selectable:

• 2-pipe systems
• 2-pipe systems with electric heating
• 2-pipe systems and radiators/floor heating
• 4-pipe systems
• 4-pipe systems with electric heating
• 2-stage heating or cooling systems.