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Содержание 149674

Страница 1: ...s are established in the rear on the power supply unit board The unit provides the functionality of a temperature controller for fan drawers A triac for fan control and a relay are provided as outputs The relay is a normally open contact and can be defined either as control circuit 2 or as an alarm contact using the parameter setting function Sensor PTC Pt100 Range dependent on type of sensor Fron...

Страница 2: ......

Страница 3: ...y is pressed This key is also used to set parameter values Standby key This key switches the controller to the standby mode Press the key again to switch the controller back on First control level Parametrization of primary setpoint The actual value is always shown on the setpoint display Press the SET key to display the setpoint setting Additionally press the UP key or DOWN key to adjust the valu...

Страница 4: ...ult setting Custom setting P0 Displays the actual value from sensor F1 P1 Setpoint 2 delta W Control circuit 2 P4 P5 99 99 K Delta W 10 K P2 Hysteresis control circuit 1 0 1 99 9 K 1 0 K P3 Hysteresis control circuit 2 0 1 99 9 K 1 0 K P4 Lower control range limit 99 C P5 99 C P5 Upper control range limit P4 999 C 999 C P6 Actual value correction 20 20 K 0 0 K P7 Proportional band 0 1 100 K 10 0 K...

Страница 5: ...steresis K1 K2 The hysteresis may be symmetrical or one sided relative to the setpoint see A40 A41 When the one sided setting is chosen the hysteresis works downward with the heating contact and upward with the cooling contact When the symmetrical hysteresis function is chosen half of the hysteresis value is effective above and half of the value below the switching point cf figures 3 and 4 Figure ...

Страница 6: ...e case of very fast processes with high switching frequencies a voltage output is therefore preferable P19 Keypad locking The keypad locking function can be used to block the control keys When keypad locking is enabled the setpoint cannot be changed Any attempt to change parameters with keypad locking enabled will display the message P30 Lower alarm limit P31 Upper alarm limit A limit or range ala...

Страница 7: ...ontrol level which starts with A1 Press the UP key to scroll up in the list and the DOWN key to scroll down in the list Press the SET key to display the value of the parameter in question To adjust the value additionally press the UP key or DOWN key Once you release all keys the new value is permanently stored If no key is pressed for more than 60 seconds the unit automatically returns to its init...

Страница 8: ...eresis mode of control circuit 2 0 symm around setpoint 1 on one side of setpoint 0 A52 Minimum action time control circuit 2 on 0 600 sec 0 sec A53 Minimum action time control circuit 2 off 0 600 sec 0 sec A54 Delay after power on 0 600 sec 20 sec A56 Alarm suppression of limit alarm after power on 0 60 min 0 min A57 Continuous fan operation outside proportional band with value from P33 0 no cont...

Страница 9: ...9 can still be changed When the parameter lock is active the parameters are displayed but cannot be changed via the keys Any attempt to change parameters with keypad locking enabled will display the message A30 Alarm contact function This parameter is used to determine alarm contact behavior when the values set with parameters P30 and P31 are reached Limit alarm means that an alarm is signaled whe...

Страница 10: ...ormally result in undesirable alarm signaling Therefore parameter A56 can be used to define a period of time during which an alarm condition is not signaled A57 Continuous fan operation A60 Sensor selection Selection of sensor Depending on the hardware used not all sensor types can be selected A70 Software filter Calculates the mean value over the number of measurements set here A 80 Temperature s...

Страница 11: ...1 triac output for fan Additional buzzer 85 dB Display and indicators One 3 digit LED display for temperature indication Three LEDs for status indication Power supply 230 V 50 60 Hz Connectors 12 pin screw terminal 5 0 mm pitch for cable cross sections of up to 2 5 mm Weight Approx 250 g without sensor Type of protection Front IP65 Ambient conditions Storage temperature 20 C 70 C Operating tempera...

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