4 Prepare the electrical connections
4.1 Cable gland/conduit
For explosion-proof/flameproof installations, only use cable glands or conduit
entry devices certified explosion-proof or flameproof.
4.2 Power supply (Vdc)
Approval type HART
®
FOUNDATION
™
Fieldbus
RS-485 with
Modbus
®
None 16-42.4 9-32 8-30 (max. rating)
Non-sparking/
energy limited
16-42.4 9-32 N/A
Intrinsically safe 16-30 9-30 N/A
FISCO N/A 9-17.5 N/A
Explosion-proof/
Flameproof
20-42.4 16-32 8-30 (max. rating)
February 2019 Quick Start Guide
Quick Start Guide 11