Fieldbus H1 card specifications

Installation notes

Refer to the manual Fieldbus Installations in a DeltaV Distributed Control System for in-depth information on using fieldbus with a DeltaV system.
The H1 terminal block is recommended to provide terminations for field wiring for the simplex Fieldbus H1 card.
The Redundant H1 terminal block is recommended to provide terminations for field wiring for the redundant Fieldbus H1 card.
This card requires an S-series controller.

Specifications

Table: Fieldbus H1 card specifications
Item	Specification
Number of Ports	Two
Port Type	Foundation Fieldbus H1 - 31.25 kbit/second
LocalBus current (12VDC nominal), per card	200 mA typical 300 mA maximum
Field circuit power, per card	None
Fieldbus power	9 to 32 VDC, 12 mA per port
Heat dissipation	4.4 W simplex and redundant
Isolation	Each port is isolated from the system and from each other and factory tested to 1500 VDC.
Mounting	Assigned slot of I/O carrier

Wiring diagrams

Figure: Simplex Fieldbus H1 wiring diagram

Figure: Redundant Fieldbus H1 wiring diagram

Related information

H1 Terminal Block specifications

Redundant H1 Terminal Block specifications