VAT Series 651 - Page 4

Installation, Operating & Maintenance Instructions
Series 651 DN 320-400 (I.D. 12“ - 16”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
267736ED
2008-02-26
4/53
Control and actuating unit (continuation)
Sensor input
Signal input
ADC resolution
Sampling time
0-10 VDC / Ri>100 kΩ
0.23 mV
10 ms
[connector: SENSOR]
Digital inputs
3)
±24 VDC max. [connector: INTERFACE]
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.
[connector: INTERFACE]
Analog outputs
3)
0-10 VDC / 1 mA max. [connector: INTERFACE]
PFO
4)
battery pack
[651 . . - . . C . - . . . . / 651 . . - . . H . - . . . . ]
Charging time
Durability
2 minutes max.
up to 10 years @ 25°C ambient;
refer to «Durability of power fail battery» for details
Compressed air supply 4 - 7 bar / 55 - 100 psi (above ATM)
Ambient temperature 0 °C to +50 °C max. (<35 °C recommended)
Pressure control accuracy 0.1% of sensor full scale
DN 320
12"
(65150 - ....)
DN 350
14"
(65151 - ....)
DN 400
16"
(65152 - ....)
Position resolution / position control capability 13333 steps
(full stroke)
13422 steps
(full stroke)
13511 steps
(full stroke)
Closing time throttling only 1.1 s typ. (full stroke) 1.3 s typ. (full stroke) 1.5 s typ. (full stroke)
Opening time throttling only 1.1 s typ. (full stroke) 1.3 s typ. (full stroke) 1.5 s typ. (full stroke)
Closing time throttling & isolation 6 s typ. (full stroke) 6 s typ. (full stroke) 6 s typ. (full stroke)
Opening time throttling & isolation 6 s typ. (full stroke) 6 s typ. (full stroke) 6 s typ. (full stroke)
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.