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Param-
eter 

Function description 

Adjustment range 

Default 
setting 

Custom 
setting 

A30 

Alarm contact function 

0:  limit alarm, relative 
1:  limit alarm, absolute 
2:  range alarm, relative 
3:  range alarm, absolute 
4:  limit alarm, relative 
 

inverted alarm contact 

5:  limit alarm, absolute 
 

inverted alarm contact 

6:  range alarm, relative 
 

inverted alarm contact 

7:  range alarm, absolute 
 

inverted alarm contact 

 

 

A31 

Special functions for alarm 

0: no special function 
1: flashing display 

 

 

A32 

Default display setting 

0: actual value display 
1: setpoint display 

 

A40 

Hysteresis mode of fan 
controller 

0: symm. around setpoint 
1: on one side of setpoint 

 

A41 

Hysteresis mode of control 
circuit 2 

0: symm. around setpoint 
1: on one side of setpoint 

 

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 continuous operation 
1: continuous operation 

 

 

A60 

Sensor selection 

11: Pt100 two-wire 
21: PTC 
22: Pt1000 two-wire 

 
21 

 

A70 

Software filter 

1:    not active, otherwise 
2 ... 32: mean value of 2...32  
meas. values (approx. 
0.6...9.6 s) 

 

 

A 80 

Temperature scale and 
display 

0: Fahrenheit (AUS) 
1: Celsius (AUS) 
2: Fahrenheit (OFF) 
3: Celsius (OFF) 

 

 

A90 

K1 output linking 

0: no linking 
1: linked with  
    control circuit 2 
2: linked with  
    alarm contact 

 

 

Pro 

Program version display 

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Summary of Contents for 149674

Page 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...

Page 2: ......

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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