HART two-state output channel specifications

Specifications

Table: HART two-state output channel specifications

Item

Specification

Number of channels

16

Isolation

Each channel is optically isolated from the system and factory tested to 1500 VDC. No channel-to-channel isolation.

Nominal signal range (span)

On state - 20 mA

Off state - 0 or 4 mA (configurable)

Full signal range

0 to 24 mA

Safety/diagnostic accuracy

5% of span

Resolution

12 bits

Compliance voltage

20 mA into 600 Ω load

Open-loop detection

< 1.0 mA - when the output drifts 15% out of the configured value

Wiring diagram

Figure: Wiring diagram and terminations for 2- wire HART two-state output channels