Figure 4-13: The HMC Module Supports up to Four External Devices (Slaves)
A. RS-485 bus
B. Power supply
C. Up to four external devices
D. External HART device 2
E. External HART device 1
4.8 FOUNDATION
™
Fieldbus
4.8.1 Power requirements
Terminals in the transmitter housing provide connections for signal cables. The
Rosemount 5300 Level Transmitter is powered over FOUNDATION
™
Fieldbus with standard
fieldbus power supplies. The transmitter operates with the following power supplies:
Table 4-5: External Power Supply for F
OUNDATION Fieldbus
Approval type Power supply (Vdc)
None 9 - 32
Non-sparking/Energy limited 9 - 32
Intrinsically Safe 9 - 30
FISCO 9 - 17.5
Explosion-proof/flameproof 16 - 32
Reference Manual Electrical installation
00809-0100-4530 April 2019
Reference Manual 105
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