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Honeywell 900B08-0202 Analog Output Module

The Honeywell 900B08-0202, also cataloged as the 900B08-0202 Analog Output Module, operates as a dedicated hardware component for isolated current signal output execution within the Honeywell ControlEdge HC900 controller platform.

Hardware Specifications

Parameter	Specification
Model	900B08-0202
Brand	Honeywell
Product Type	Analog Output Module
Origin	USA
Weight	0.2 kg
Dimensions	13.5 x 15.2 x 3.5 cm (estimated shipping size)
Power Consumption	5 VDC: 40 mA max; 24 VDC: 200 mA max
Output Channels	4 isolated outputs
Output Signal Range	0 to 21.8 mA, selectable range
Load Resistance	750 ohms max
Galvanic Isolation Channel to Channel	500 VDC
Galvanic Isolation from Logic	600 VDC
Output Accuracy	0.1% full scale at reference conditions
D/A Resolution	12 bits
Minimum Current Sensing	Greater than 3.5 mA per output
Maximum Modules per Rack	10 modules standard; up to 12 modules with ambient temperature derating
Tariff Code	8537101190
Shipment Location	Xiamen, China

4-20 mA HART Loop and Channel Isolation Characteristics

The Honeywell 900B08-0202 provides isolated analog current outputs for process control signal transmission. The module uses individual output channel isolation to reduce electrical interference between field circuits. Additionally, the galvanic isolation design supports separation between output wiring and controller logic circuits.

The module supports selectable current output operation from 0 to 21.8 mA, which allows connection with standard industrial analog receiving devices. Furthermore, the 12-bit D/A conversion provides controlled current signal generation for process loop applications.

Frequently Asked Questions

Q: How many analog output channels does the Honeywell 900B08-0202 provide?
A: The 900B08-0202 provides 4 isolated analog output channels with selectable current output ranges.

Q: What isolation levels are available on the 900B08-0202 module?
A: The module provides 500 VDC channel-to-channel galvanic isolation and 600 VDC isolation from the controller logic section.

Q: What rack installation limits apply to the 900B08-0202?
A: The module supports up to 10 modules per rack under standard conditions. A maximum of 12 modules requires ambient temperature derating consideration.

Field Installation Guidelines

Install the 900B08-0202 module only in the designated Honeywell ControlEdge HC900 I/O rack position. Verify that the controller rack power is removed before module insertion or removal.

Connect analog output wiring using appropriate shielded industrial cables. Terminate cable shields according to the site grounding standard to reduce electromagnetic interference. Keep analog signal wiring separated from high-voltage power cables and switching circuits.

Confirm field device load resistance compatibility before commissioning. Check output polarity, channel assignment, and current loop continuity before applying operating power.

Ensure that rack loading remains within the specified power supply limits. Review module status indicators after installation to verify normal controller communication and output operation.

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