Installation, Operating & Maintenance Instructions
Series 612 DN 40-50 (I.D. 1.5“ - 2”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
289419EB
2011-12-12
6/60
Control and actuating unit (continuation)
Sensor input
Signal
input
ADC
resolution
Sampling
time
0-10 VDC / Ri>100 k
Ω
0.23 mV
10 ms
[connector: SENSOR]
Digital inputs
3)
±24 VDC max.
Digital outputs
3)
Input
voltage
Input
current
Breaking
capacity
70 VDC or 70 V peak max.
0.5 ADC or 0.5 A peak max.
10 W max.
PFO
4)
battery pack
[612 . . - . . C . - . . . . / 612 . . - . . H . - . . . . ]
Charging
time
Durability
2 minutes max.
up to 10 years @ 25°C ambient;
refer to «Durability of power fail battery» for details
Ambient temperature
0 °C to +50 °C max. (<35 °C recommended)
Pressure control accuracy
5 mV or 0.1% of setpoint, whichever is greater
Position resolution / position control capability
20000
closing 0.3
s
typ.
Actuating time
opening 0.3
s
typ.
Utilizable valve torque
2.5 Nm
1) Internal overcurrent protection by a PTC device.
2) Refer to chapter «Sensor supply concepts» for details.
3) Refer to chapter «Schematics» for details.
4) PFO = Power Failure Option. Refer to «Behavior in case of power failure» for details.
