VAT 651 Series - Technical Data; Control and Actuating Unit Data

DESCRIPTION OF PRODUCT Series
651
6/99 Edition 2014-07-10 605451EC
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]
[
651
. .
-
. .
A
.
-
. . . . /
651
. .
-
. .
G
.
-
. . . . ]
[651 . . - . . C . - . . . . / 651 . . - . . H . - . . . . ]
50 W max. (operation of valve with max. load) without PFO
3
)
50 W plus 10 W for PFO
3)
Sensor power supply
2)
(β)
[651 . . - . . A . - . . . . / 651 . . - . . C . - . . . . ]
Input
Output
+24 VDC / 1500 mA max.
±15 VDC (±5%) / 1000 mA
max.
[connector: POWER]
[connector: SENSOR]
Sensor power supply
2)
(β)
[651 . . - . . G . - . . . . / 651 . . - . . 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.
3)
PFO = Power Failure Option. Refer to «Behavior in case of power failure» for details.
Calculation of complete power consumption:
P
tot
= α + β
whereas
β depends on sensor supply concept and sensor power consumption.