Timing relays PCU-520 24 V

Timing relays PCU-520 24 V

PCU-520 24V

Timing relays are devised to time the control of industrial and domestic automatic control engineering systems (e.g. ventilation, heating, lighting, signalling, etc.).
Setting of two independent time values t1 and t2 (work time and interruption time).

Functioning
Operation mode:
*LAGGED ACTIVATION (IR)
Until the relay is activated, the contact remains in the 1-5 and 2-8 position. After the power voltage is supplied (the green “U” LED lights up), the contact is shifted to 1-6 and 2-7 position and the countdown of the preset value t is commenced (the red LED lights up). After the preset time t has been counted down, the contact returns to position 1-5 and 2-8. The working sequence of the relay may be repeated after turning the power supply off and on.
*LAGGED DEACTIVATION (IA)
Until the relay is activated, the contact remains in the 1-5 and 2-8 position. After the power voltage is supplied (the green “U” LED lights up), the contact is shifted to position 1-6 and 2-7 and the countdown of the preset value t is commenced (the red LED lights up). The working sequence of the relay may be repeated after turning the power voltage off and on.
*LAGGED ACTIVATION - CYCLIC (CR)
The LA operational mode is triggered in equal interruption/work cycles according to preset time values.
*LAGGED DEACTIVATION - CYCLIC (CA)
The LD operational mode is triggered in equal interruption/work cycles according to preset time values.


 


 

Attention!
*Setting the time range knob regulator in the:
  ON - position with power supply activated results in the permanent closure of the contact in position 1-6  and 2-7.
  OFF - position (power supply activated) causes the contact to be permanently closed in the 1-5 and 2-7 position.
*With the power supply on, the system does not respond to time range setting modifications.
*The newly set time range is active after the power supply has been turned off and on.
*With the power supply on, it is possible to regulate the preset time freely within the selected time range.



Power supply voltage24 V AC/DC
Operating modedelayed OFF, delayed ON, cyclical work
The executive elementrelay
Maximum load current2 Ă— 8 A
Contact configuration2 Ă— NO/NC
Separation of the contactYES
Delay of operation50 ms
Contact status indicationLED red
Operating time - adjustable0,1 s Ă· 576 godz.
Power indicationLED green
Break time - adjustable0,1s Ă· 576 godz.
terminalscrew terminals 4,0 mm²
Tightening torque0,5 Nm
Power consumption1,2 W
Working temperature-25 ÷ 50 °C
dimensions2 modules (35 mm)
Assemblyon rail 35 mm
Level of securityIP20





Description f the front panel