Sauter Components Flexotron 300 RDT 100 Series, Manual

46.100/1

R

RDT 100: Electronic controller for ventilation and air-conditioning

For universal, autonomous use in ventilation and air-conditioning systems or similar; with 
measurement, control and time functions for controlling temperature, humidity, pressure and flow.  
DDC compact controller with PI, two- or three-point control and command, sequence and limitation 
functions. Thirty-five configurations of control models available. All parameters are pre-set and enable 
commissioning to be executed quickly. Plug-in memory available as an option, for documenting and for 
copying the setting parameters. 
Front plate with LCD panel, keys and sealable, 3-position sliding switch (manual, automatic, 
service); snap-shut flap for covering the service keys and for safeguarding the abridged operating 
instructions. Housing 144 

×

 96 mm (DIN 43700)  of  flame-resistant,  pure-white  thermoplastic 

(RAL 9010); for mounting onto walls, into control panels or onto top-hat rails as per EN 50022. 

PI

Y06366

Baseplate with screw terminals for electric cable of up to 2 

×

 2.5 mm

2

; cable inlet from behind, above 

or below. 

Y

1

(Y

2

)

X

i1

(X

i3

)

X

i1

(X

i3

)

Y

1

(Y

2

)

X

i2

PI

PI

PI

Y

1

(Rel.)

X

i1

(X

i3

)

PI

Y

1

X

i1

(X

i3

)

PI

X

i2

(Y

2

)

B06743

Y

1

X

i1

Min
Max

X

i2

PI

PI

100 % setpoint

0

0

actual value X

i3

shift

100 %   

B06744

 ∆

Ws

Xs

F1

FP

100 % control signal

P-band Xp

sequence

y

1

y

2

Type 

1)

 Range 

[°C]

Control modes 

Voltage 

Weight 

[kg] 

RDT 100 F001 

–30...150 

P, PI, 2pt, 3pt 

230 V~ 

0.67 

RDT 100 F002 

–30...150 

P, PI, 2pt, 3pt 

24 V~ 

0.54 

Models 

Structure of controller 

1 output

continuous

Sequence 

contin.-contin

Sequence

contin.-2pt

1 output

2pt 

1 output 

PI (3pt) 

1 fixed-value controller

:

 0 

1 

15 

20 

30 

with command 

2 3 16 

22 

31 

2 fixed-value controller

:

 12 

– 

– 

21 

– 

with common actual value 

13 –  – 

27 

– 

with y = min/max selection 

14 –  – – – 

1 controller with command 

– – – 

23 

– 

with common command 

– – – 

24 

– 

common actual value; once with command 

– – – 

25 

– 

common acttual value; common command 

– – – 

28 

– 

1 cascade controller

:

 4 

5 

17 

– 

32 

with command 

6 7 18 

– 

33 

1 differential controller

:

 8 

9 

– 

29 

34 

with command 

10 11  – 26 

35 

Ranges (depends 
on transmitter) 

Temperature 

[°C or K] 

Percentage 

[%] 

Rel. humidity 

[%rh] 

Abs. humidity

[g/kg] 

Enthalpy 

[kJ/kg] 

no units 

Setpoint X

s

  –30...150 

°C 

0...100  0...100 0.0...20 0...100 

–4999...4999 

P-band 0.1...250 

K 

0.1...1000 

0.1...100 

0.1...100 

0.1...100 

10...4999 

4 universal inputs 

2)

1 binary input 

2)

Threshold –6 V 

Temperature 

Ni1000 (DIN 43760) 

Voltage 

0(2)...10 V; R

i

 = 100 k

Ω

Outputs  

0...1 V, R

i

 = 500 k

Ω

2 continuous 

0(2)...10 V, load > 5 k

Ω

Current 

0(4)...20 mA, R

i

 = 50 

Ω

1 continuous 

0...10 V, load > 5 k

Ω

Potentiometer 2 

k

Ω

 (min.1 k

Ω

) 

2 relays 

5(2) A, 250 V~ 

Power supply  

230 V~  +10/-15%; 50...60Hz 

Degree of protection 

IP 40 (EN 60529) 

 24 

V~ 

±

 20%; 50...60 Hz 

Protection class F001   230V  II (IEC 60730) 

          F002     24V  III (IEC 60730) 

Power consumption 

2.5 VA 

P-band X

p

0.1....250 K 

Wiring diagram 

A06368

Integral action time T

n

0....9990 s 

Dimension drawing 

M368900

Switching difference X

Sd

0.1...180 K 

Fitting instructions 

MV 505379

Cycle 

1 s 

Operating instructions  

7000835 (Part 1) 

Permissible ambient temp. 

0...45 °C 

Commissioning 

7000836 (Part 2) 

Ambient humidity 

5...95 %rh 

Abridged oper. instructions  

BA 505380

Accessories

0369739 . . . 

Operating instructions (Part 1, Part 2 and Abridged operating instructions) 
German 001, French 002, English 003, Italian 004 

0369746 001 

Cover plate for the whole front; of transparent thermoplastic; sealable 

0226187 002

* 

Plug-in dummy for memory slot 

0226187 003

* 

Plug-in memory for Flexotron 

*)

Dimension drawing or wiring diagram are available under the same number 

1) 

Operating instructions; since several languages are available, please order as an accessory. 

2) 

Protected against short-circuiting and over-voltage up to 24 V ac. Current 

input max 70 mA. 

 Sauter 

Components 

7146100003  S4