Series 612  DESCRIPTION OF PRODUCT 
 
605262EE  Edition 2018-08-20  7/
 
1.6  Technical data 
1.6.1  Control and actuating unit 
Description 
Power input 
1)
    (α) 
+24 VDC (±10%) @ 0.5 V pk-pk 
max. 
[connector: POWER] 
[612 . . - . . C . - . . . . / 612 . . - . . H . - . . . . ] 
 
38 W max. (operation of valve with max. load) without PFO 
 
38 W plus 10 W for PFO 
4) 
Sensor power supply 
2)
  (β) 
[612 . . - . . A . - . . . . / 612 . . - . . C . - . . . . ]  
  Input 
  Output 
 
 
 
+24 VDC / 1500 mA max. 
±15 VDC (±5%) / 1000 mA max. 
 
 
[connector: POWER] 
[connector: SENSOR] 
Sensor power supply 
2)
  (β) 
[612 . . - . . G . - . . . . / 612 . . - . . H . - . . . . ]  
  Input 
    Output 
 
 
+ 24 VDC  resp. ± 15 VDC 
same as input but: 
2.0 A max. at ± 15 VDC 
1.5 A max. at + 24 VDC   
 
 
 
[connector: POWER] 
[connector: SENSOR] 
 
1) 
Internal overcurrent protection by a PTC device. 
2)
 Refer to chapter «Sensor supply concepts» for details. 
4)
 PFO = Power Failure Option. Refer to chapter «Behavior in case of power failure» for details 
 
 
 
Calculation of complete power consumption: 
P
tot
 = α + β 
β depends on sensor supply concept and sensor power consumption.