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Technical Data 

 

Measuring inputs: 

F1: 

Temperature sensor Pt100 (DIN IEC 751, three-wire connection),  

 

measuring range Pt100 (Class B): -60.0 °C...400 °C (with suitable sensor and  

 

<1 Ohm wire resistance), accuracy: +/- 0.5 K +/- 0.5% at 25 °C (not including any sensor errors), 

 

+/- 1K +/- 0.5% over the entire temperature range 0 to 55 °C (not including any sensor errors) 

Display and indicators:

 

Three-digit red LED display, 13 mm high, for temperatures 

 

Three LEDs, diameter 3 mm, for status indication 

 

LED 1: regulation contact 1 

 

LED 2: regulation contact 2  

 

LED 3: Alarm 

Outputs: 

K1: Relay, 250 V~, maximum switched current 8 A, (cos

ϕ

=1), 

 

maximum continuous current 6 A, make contact, suitable for electric motors up to 0.5 HP. Function: see parameter A90 

 K2:

 Relay, 250 V~, maximum switched current 8 A, (cos

ϕ

=1), 

 

maximum continuous current 6 A, make contact, suitable for electric motors up to 0.5 HP. Function: see parameter A91 

 K3:

 Relay, 250 V~, maximum switched current 6 A, (cos

ϕ

=1), 

 

maximum continuous current 3 A, make contact, suitable for electric motors up to 0.5 HP. Function: see parameter A92 

Supply voltage: 

230 V~ 50/60 Hz, maximum power consumption 4 VA 

Terminals: 

12-pole screw-terminal plug strip, spacing 5.0 mm, for cables up to 2.5 mm² 

Temperature range: 

-99 to 999 °C, factory setting: alarm if actual value is below -10 °C or above 120 °C 

Ambient conditions: 

Storage temperature –20 °C...+70 °C 

 

Operating temperature 0...55 °C 

 

Maximum relative humidity 75% (no condensation) 

Degree of protection: 

IP65 from front, IP00 from rear 

Installation: 

Designed for panel mounting 

 

Front-panel dimensions 84 x 42 mm 

 

Panel aperture 67.5 x 31.5 mm 

 

Installation depth approx. 85 mm 

 

Secured with screw-on bow 

 

Install flat gasket between panel and front frame of controller 

Weight: 

approx. 140 g (without sensor) 

 

Terminal assignments: 

 

 

Summary of Contents for MTR 3000

Page 1: ...e setpoint and the alarm acknowledgement All regulation parameters P2 P32 can be set in the second level The third level permits programming of the basic functions A1 A92 of the controller UP button red arrow Down button blue arrow This button is used to acknowledge an alarm SET 1 SET 1 button Pressing this button displays set value S1 If the button is not depressed the actual value is displayed T...

Page 2: ...er reverts to its normal state Parameter Function Setting range Default value Your setting P0 Actual value P1 Setpoint S2 regulation contact 2 DeltaW regulation contact 2 P4 P5 if A5 0 factory setting 99 99 9K if A5 1 10 0 C K P2 Hysteresis contact 1 0 1 99 0 K 1 0 K P3 Hysteresis contact 2 0 1 99 0 K 1 0 K P4 Lower setpoint limit 99 C P5 99 C P5 Upper setpoint limit P4 999 C 999 C P6 Actual value...

Page 3: ...mend that this be done after all adjustments In the disabled state the setpoint cannot be adjusted with the buttons on the front panel Any attempt to adjust the setpoint then results in the message on the display P30 Lower limit value for alarm P31 Upper limit value for alarm The alarm output can be used as a limit value or bandwidth alarm It has an asymmetrical hysteresis see parameter P32 In bot...

Page 4: ...Para meter Function Setting range Default value Your setting A1 Function of regulation contact 1 0 Heating contact 1 Cooling contact 0 A2 Function of regulation contact 2 0 Heating contact 1 Cooling contact 0 A3 Function of regulation contact 1 in case of sensor fault 0 Off on fault 1 On on fault 0 A4 Function of regulation contact 2 in case of sensor fault 0 Off on fault 1 On on fault 0 A5 Operat...

Page 5: ...ntact 2 0 600 s 0 s A54 Delay after power on 0 600 s 0 s A55 Mutual delay regulation contacts 1 and 2 0 600 s 0 s A56 Alarm suppression after power on 0 60 min 20 min A60 Temperature sensor 11 12 PT100 three wire connection 12 A70 Software filter 1 Disabled Average over 2 2 measured values approx 0 6s 4 4 measured values approx 1 2s 8 8 measured values approx 2 4s 16 16 measured values approx 4 8s...

Page 6: ...rameter determines whether the controller operates with two independently adjustable contacts A5 0 operation with setpoint factory setting or with two mutually linked contacts A5 1 operation with Delta W This parameter always affects regulation contact 2 A8 Display mode The actual value can be displayed as an integer or with one digit after the decimal point resolution 0 5 C or 0 1 C If a resoluti...

Page 7: ...n active A sensor alarm display F1L or F1H is always signalled by a blinking display and the buzzer A32 Type of display If A32 0 is set the actual value is displayed If A32 1 is set setpoint S1 is always displayed and the actual value can then be displayed only with the aid of parameter P0 second operating level A33 Not used A40 Hysteresis mode regulation contact 1 A41 Hysteresis mode regulation c...

Page 8: ... A70 1 deactivates the software filter A80 Temperature scale The temperatures can be displayed in Fahrenheit or Celsius factory setting Note that the values and setting ranges for the parameters and setpoints remain unchanged when the scale is changed If for example a controller whose setpoint is set to 0 C is modified to display the temperatures in Fahrenheit the setpoint is then interpreted as 0...

Page 9: ...ous current 6 A make contact suitable for electric motors up to 0 5 HP Function see parameter A91 K3 Relay 250 V maximum switched current 6 A cosϕ 1 maximum continuous current 3 A make contact suitable for electric motors up to 0 5 HP Function see parameter A92 Supply voltage 230 V 50 60 Hz maximum power consumption 4 VA Terminals 12 pole screw terminal plug strip spacing 5 0 mm for cables up to 2...

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