Honeywell Series 8 I/O User Manual page 26

2. Series 8 I/O Planning and Design
2.2. Series 8 I/O appearance and features
I/O module/IOTA
Analog Output
withHART
Analog Output
Digital Input 24VDC
Digital Input
Sequence of Events
DIGITAL INPUT
SEQUENCE OF
EVENTS
26
Feature/function

Extensive self-diagnostics

Optional redundancy

HART capable, multivariable instruments

Safe-state (FAILOPT) behaviors

Each channel can be configured to HOLD LAST
VALUE, or SHED to a SAFE VALUE.

Extensive self-diagnostics

Optional redundancy

Safe-state (FAILOPT) behaviors

Each channel can be configured to HOLD LAST
VALUE, or SHED to a SAFE VALUE.

Extensive self-diagnostics

IOM redundancy

Input direct/reverse

Internal or external field power selections

Galvanic isolation

Low Latency / High Speed Scanning mode

Extensive self-diagnostics

Optional redundancy

1ms Sequence of Events for Discrete Inputs

Low Latency / High Speed Scanning mode

On board excitation power (no need for marshalling
power)

Direct / Reverse Input Indication

Galvanic isolation
Series 8 I/O User's Guide
Honeywell
R500
April 2017