TLK 38 / TLK 39
Autotuned, microprocessor based digital controller

PID control function
2- and 3-point control function

Measuring inputs  1
- Resistance thermometer  Pt100
- Semiconductor  PTC / NTC
- Thermocouples  J, K, S
- Voltage signals  0...50 mV, 0 (12)...60 mV
- Norm signals
  0 (4)...20 mA
  0 (1)...5 V
  0 (2)...10 V

Outputs
max. 2, up to 2 x control- resp. 1 x alarm-output possible
- Relay  SPDT 8 A / 3 A / 250 VAC
- SSR drive  8 VDC / 8 mA

Displays
4-digits 7-segment-LED
TLK 38  1-line
             Process value  red, 12 mm high
             Trend display shift index 
TLK 39  2-lines 
             Process value  red, 7 mm high
             Set value  green, 7 mm high