Installation in zone 1, Installation in zone 22 – Rockwell Automation 1797-TB3S FLEX Ex Terminal Base User Manual
Page 5
FLEX Ex Terminal Base Units 5
Publication
1797-5.1 - June 2010
Installation in Zone 1
The terminal bases must not be exposed to the environment. Provide a
suitable metal enclosure. The terminal bases have a protection factor of IP20.
Do not remove the flexbus cover on the rightmost terminal base.
Installation in Zone 22
When the terminal bases are installed in Zone 22, the following cabinets must
be used: IVK-ISRPI-V16LC; IVK-ISRPI-V8HYW; or IVK-ISRPI-V8LC.
These cabinets can be purchased from:
Pepperl+Fuchs GmbH
Lilienthalstrasse 200
68307 Mannheim, Germany
Attn: PA Sales Dept.
Kirsten Becker
Telephone +49 776 1298
www.pepperl-fuchs.com
The IS-RPI cabinets (type IVK2-ISRPI-V8LC, IVK2-ISRPI-V8HYW, or
IVK2-ISPRI-V16LC) ensures the basic protection for the intrinsically safe
apparatus of the FLEX Ex system for use in Zone 22. It corresponds with
category 3D according to RL 94/9 EG and with the type label marked with
the following information:
Pepperl+Fuchs GmbH
68307 Mannheim
IVK2-ISRPI-V8LC (or IVK2-ISRPI-V8HYW or
IVK2-ISRPI-V16LC)
II 3 D Ex tD A22 IP54 T70 °C
CE
Serial (manufacturing) number
Model
WARNING
The terminal bases cannot be used in an intrinsically safe
environment after having been exposed to nonintrinsically safe
signals.