VAT 615 Series

Installation, Operating & Maintenance Instructions
Series 615 DN 40 (I.D. 1½”), DeviceNet
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
603476EA
2013-07-25
22/102
3.4 Behavior in case of power failure
Valve position before
power failure:
Reaction of valve:
Without Power Failure Option (PFO)
615 . . - . . G . - . . . .(No PFO, no SPS)
615 . . - . . A . - . . . .( No PFO, SPS)
Any
Valve remains at current position.
All parameters are stored in a power fail save memory.
For PFO retrofit and other options refer to chapter «Retrofit».