900B08-0001

Overview

The Honeywell 900B08-0001 is an 8-channel analog output module for the HC900 system, offering isolated current outputs with high accuracy and robust diagnostics.

Output & Performance

• Outputs per Module: 8, isolated in 2 groups (1–4, 5–8)

• Current Output Range: 0 to 21.0 mA, range selectable

• Load Resistance: 750 ohms max

• Accuracy: 0.1% full scale at reference conditions

• Minimum Current Sensing: >0.5 mA per output

Electrical & Isolation

• Operating Temperature: 0 to 60 °C

• Channel Drive Capacity: 21 mA into 750 ohms max per channel

• Power Consumption: 221 mA max @ 5 VDC, 35 mA max @ 24 VDC

• Galvanic Isolation (Group to Group): 500 VDC

• Galvanic Isolation (From Logic): 500 VDC

• Modules per Rack: 4 max (when powered from internal 24V backplane)

Calibration & Diagnostics

• Calibration Data: Stored in non-volatile memory

• Factory Calibration: Redundant with automatic rejection of bad versions

• Field Calibration: Individual channel calibration supported

• Diagnostics: Monitoring of factory calibration, field calibration, configuration

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