Honeywell 900B08-0202 8-Channel Analog Output Card for HC900 Controller

Overview

The Honeywell 900B08-0202 is an 8-channel Analog Output Module engineered for the ControlEdge HC900 hybrid control system. It delivers precise current output signals for analog devices and control loops, offering stable performance in industrial automation environments. The module supports isolated current outputs, redundant calibration integrity, and real-time feedback diagnostics to ensure reliable process control and system integrity.

Technical Specifications

• Model Number: 900B08-0202

• Manufacturer: Honeywell

• Series: ControlEdge HC900

• Product Type: Analog Output Module (8-Channel)

• Number of Outputs: 8 isolated channels, grouped (1–4 and 5–8)

• Signal Type: Current output, 0–20 mA / 4–20 mA selectable

• Current Range: 0–21.0 mA maximum

• Load Resistance: Up to 750 Ω per channel

• Galvanic Isolation: 500 VDC between groups (1–4 and 5–8), and 500 VDC from logic to field circuits

• Accuracy: ±0.1% of full scale under reference conditions

• Resolution: 13+ bits (1 part in 13,332)

• Minimum Detectable Current: >0.5 mA per output channel

• Power Supply Load: 5 V @ 225 mA max, 24 V @ 350 mA max

• Power Source: Internal backplane (24 VDC)

• Calibration:

• Factory calibrated with redundant verification

• Automatic rejection of invalid data

• Supports field calibration for each individual channel

• Diagnostics:

• Continuous monitoring of calibration and configuration

• Automatic output feedback verification to controller

• Output Verification: Feedback circuitry ensures real-time confirmation of output current

• Module Capacity per Rack: Up to 4 modules (with internal 24V backplane)

• Connector Type: 36-position Euro-style terminal block (Model 900TCK0001)

• Operating Temperature: 0°C to +60°C (32°F to 140°F)

• Storage Temperature: –40°C to +85°C (–40°F to 185°F)

• Humidity Range: 5% to 95% RH, non-condensing

• Weight: Approx. 0.45 kg (1 lb)

• Country of Origin: USA

• Condition: Brand new, factory-sealed

• Warranty: 12 months standard

Key Features

• High-Accuracy Output: Delivers precise 0–20 mA or 4–20 mA current signals with ±0.1% full-scale accuracy.

• Galvanic Isolation: Enhanced protection between channel groups minimizes electrical interference.

• Comprehensive Diagnostics: Monitors calibration, configuration, and output performance continuously.

• Factory and Field Calibration: Ensures long-term accuracy and reliability through redundant calibration.

• Feedback Assurance: Output verification circuitry confirms signal integrity between the module and controller.

• Energy Efficient: Low power requirements per module reduce rack load and improve thermal efficiency.

• Modular Integration: Seamlessly fits into HC900 racks for scalable system design.

Application Scenarios

• Process control systems requiring accurate analog current outputs for actuators and transmitters.

• Industrial automation systems in chemical, petrochemical, and power generation facilities.

• Distributed control applications where high signal integrity and redundancy are critical.

• Hybrid control platforms utilizing both analog and digital I/O configurations.

FAQs

• Q1: What type of signals does the 900B08-0202 module output?
  It provides current output signals ranging from 0–20 mA or 4–20 mA, selectable per channel.

• Q2: Is the module isolated?
  Yes, channels are galvanically isolated in two groups (1–4 and 5–8) to enhance noise immunity.

• Q3: Can it be field-calibrated?
  Yes, individual channels can be field-calibrated without removing the module from the rack.

• Q4: What is the maximum load resistance per channel?
  Each output can drive loads up to 750 ohms.

• Q5: How does the module verify signal accuracy?
  Built-in feedback to the controller confirms current output integrity in real time.