181
Reference Manual
00809-0100-4026, Rev HA
Appendix A: Reference data
November 2014
Reference Data
Figure A-8. Explosion-Proof/Flameproof Installations
Note
The diagram is only valid if the HART load resistance is at the + side and if the - side is grounded,
otherwise the load resistance value is limited to 435 :.
A.1.3 FOUNDATION™ fieldbus (output option code F)
Output
Figure A-9. FOUNDATION fieldbus System Architecture
Signal wiring
Recommended output cabling is twisted shielded pairs, 18-12 AWG
H1 - Low Speed Field Bus
H2 - High Speed Field Bus
Fieldbus modem
Host / DCS system (e.g. DeltaV) Maintenance
Rosemount 752
Field Signal
Indicator
PC with Rosemount
Radar Master
Field
Communicator
Rosemount
5301
Rosemount
5401
Rosemount
5601
6200 ft (1900 m) max (depending
upon cable characteristics)