R 2400 - 4 / 6 / 8 controller zones

Input PT100 (RTD)

• 2- or 3- wire connection possible
• Built-in protection against sensor breakage and short circuit
• Sensor current: … < 1 mA
• Calibration accuracy: … < 0,2 % Linear error: … < 0,2 %
• Influence of the ambient temperature: … < 0,01 % / K

Input Thermocouple

• Built-in internal compensation point and protection against sensor breakage and incorrect polarity.
• Re-calibration not required for a line resistance of up to 50 Ohm.
• Calibration accuracy: … < 0,25 % Linear error: … < 0,2 %
• Influence of the ambient temperature: … < 0,01 % / K

External contacts

• Designed for connecting external potential-free contacts. The contact voltage (approx. 24 V DC, max. 1mA) is provided at controller terminal 75.

Heater current monitoring

• Measuring input range: 0 … 100mA corresponding 0,0 … 99,9A when using a current transformer 1:1000.
• If the value of 100mA is exceeded, the controller may be damaged.

Control outputs

• Bist. voltage signal, 0/18 V DC, max. 10 mA, short-circuit proof or Relay, max. 250 VAC, max. 3 A (resistive load)

Alarm outputs

• Relay, max. 250 VAC, max. 3 A (resistive load)

LCD-Display

• Blue STN-display with permanent, white LED-background lightening
• Graphic: 128 x 64 pixel
• Text: 8 lines with 21 characters each

Data protection

• EAROM
  • When using a Fieldbus interface please note: Permissible writing operations per parameter must not exceed 1 000 000.

CE-mark

• Tested according to 2004/108/EG; EN 61326-1
• Electrical safety: EN 61010-1