The Honeywell 900B16-0202 serves as a high-density analog interface for the ControlEdge HC900 process automation system. This module provides 16 isolated analog output channels, delivering precise 0 to 20mA current signals to field actuators, valves, and variable frequency drives. It upgrades the previous 900B16-0101 model, offering enhanced signal stability and diagnostic feedback. We supply this module as 100% Brand New and Original in factory packaging, backed by a full 12-month warranty to ensure maximum uptime in critical process environments.
| Feature | Specification Details |
| Model Number | 900B16-0202 (Replaces 900B16-0101) |
| Output Channels | 16 Channels (Isolated in 4 groups of 4) |
| Signal Range | 0 to 21.0 mA (Selectable) |
| D/A Resolution | 13+ bits (1 part in 13,332) |
| Accuracy | 0.1% Full Scale at reference conditions |
| Max Load Resistance | 750 Ohms |
| Galvanic Isolation | 500VDC Group-to-Group / Group-to-Logic |
| Power Loading | 5V @ 350mA max; 24V @ 700mA max |
| Terminal Block | 36-Position Euro Style (900TCK-0001) |
| Data Storage | Non-volatile memory for calibration data |
High-Density Control: Integrating 16 channels into a single slot drastically reduces the required hardware footprint in control cabinets. This allows for expanded system capacity without the need for additional I/O racks.
Superior Signal Integrity: Galvanic isolation (500VDC) between groups prevents ground loops and electrical interference from migrating between channels or affecting the central CPU logic.
Real-Time Output Verification: The module utilizes an internal feedback mechanism to monitor current flow. It alerts the controller immediately if an output circuit fails, enabling rapid response to field-side hardware issues.
Automated Reliability: Redundant factory calibration data resides in non-volatile memory. The system automatically rejects "bad" configuration versions and supports individual channel field calibration to maintain precision over years of service.
Robust Load Management: With a 750-ohm maximum load resistance, this module drives long-distance cable runs and high-impedance field devices without signal degradation.
Is the 900B16-0202 backward compatible with existing HC900 systems? Yes, this module acts as a direct functional replacement for the discontinued 900B16-0101. It integrates seamlessly into existing 900R08 and 900R12 racks.
How does the output verification feature work? The module senses if the current is actually flowing through the loop (detecting currents >0.5mA). If a wire break occurs, the diagnostic feedback triggers an alarm in the HC900 controller.
Can I power more than two of these modules in a single rack? When utilizing the internal 24V backplane power, Honeywell restricts usage to two 900B16-0202 modules per rack due to the high power draw (700mA per module). Always calculate your total power budget during system design.
Does the module include the terminal block? The 900B16-0202 module and the 900TCK-0001 terminal block are often ordered as separate line items. Please confirm if you require the 36-position Euro-style block for your installation.
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