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
13/102
2.6 Electrical connection
2.6.1 Ground connection
Recommendation for ground strap between controller and system (chassis)
Material
L (Length max.)
B1 (min.)
B2 (min.)
d1 ( )
d2 ( )
copper tinned
200 mm
25 mm
25 mm
4.5 mm
customized
Note: Connection plates of ground strap must be total plane for a good electrical contact!
Note: The connection point at chassis (FE) must be blank metal (not coated).
It is also possible to connect the ground strap at system chamber if it is well connected to PE.
Note: Avoid low chassis cross section to the system PE connection. (Min. same cross section as ground strap)
Valve controller
System
Ground connection
Chassis (FE)
(Functional Earth)
B1
B2
d1
d2
L
Ground strap
PE
Recommended torque: 1,3…1,7Nm