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Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Honeywell 900A16-0001 |
| Manufacturer | Honeywell |
| Product Type | 16-Channel High-Level Analog Input Module (HLAI) |
| System Compatibility | Honeywell ControlEdge HC900 (C30, C50, C70, C75S CPUs), local and remote I/O racks |
| Input Channels | 16, individually configurable per point |
| Input Signal Types | Current: 0–20 mA, 4–20 mA; Voltage: 0–5 V, 1–5 V, 0–10 V, ±5 V, ±10 V |
| Input Impedance | 250 Ω for current (integrated shunt resistor per channel, DIP-switch activated); >1 MΩ for voltage |
| A/D Resolution | 16-bit |
| Accuracy | ±0.05% of span typical, ±0.1% of span maximum |
| Temperature Drift | ≤ 0.01% of span per °C |
| Update Rate | 100 ms at module level; conversion synchronized with CPU execution |
| Common-Mode Rejection | > 90 dB at 120 V AC, 50/60 Hz |
| Series-Mode Rejection | > 31 dB |
| Isolation | Point-to-point galvanic isolation; 400 V DC between channel groups; 1000 V DC channel to backplane/logic |
| Diagnostics | Open-circuit (wire break), short circuit, module failure, power supply abnormality, per-channel failsafe value |
| Status Indication | Green blinking LED when scanned, amber blinking when channels forced, red LED on module diagnostics |
| Power Supply | 5 V DC at 75 mA max and 24 V DC at 50 mA max, backplane powered |
| Power Consumption | ≤ 75 mA at 5 V DC; ≤ 50 mA at 24 V DC |
| Terminal Block Required | 36-terminal Euro-style block (900TEK-0001) or barrier style (900TBK-0001) |
| Mounting | Plug-in module for HC900 I/O rack; supports removal and insertion under power (RIUP) |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Relative Humidity | 5% to 95%, non-condensing |
| Dimensions (H x W x D) | Approx. 135 × 53.6 × 105 mm (137 × 35.6 mm footprint variant listed by some suppliers) |
| Weight | Approx. 0.4 – 0.65 kg depending on build |
| Certifications | CE, UL, CSA, TUV, ATEX (Class I, Zone 2, IIC T6 in specified builds) |
| Country of Origin | USA |
Main Features and Advantages
High density without sacrificing channel independence: Sixteen points in one slot is a real cabinet-space saving, but unlike multiplexed cards the Honeywell 900A16-0001 processes all channels in parallel with the controller’s execution cycle. Adding a second or third module to a rack does not stretch the scan time, so a system can grow from a handful of loops to hundreds without the control performance quietly degrading. Each point is individually configured for voltage or current, which allows one module to serve a mixed population of pressure transmitters, flow meters and analysers.Isolation that removes external hardware: Point-to-point galvanic isolation plus chassis isolation means the module can accept signals from separate power domains and separately earthed field devices without isolators, signal splitters or additional marshalling. With 400 V DC between channel groups and 1000 V DC to the logic side, a fault on one loop stays on that loop instead of becoming a rack-wide event. In practice this eliminates a row of external isolation hardware and the wiring that goes with it.Integrated shunt resistors and field calibration: Every input carries its own 250-ohm shunt resistor, activated by DIP switch, so current loops are terminated at the module without separate hardware. The module supports field calibration, allowing compensation for sensor lead resistance and installation-specific effects, and each channel can be given a user-selectable failsafe value so that a detected fault drives the loop to a defined, safe state rather than an undefined one.Diagnostics you can see from the aisle: A green blinking status LED confirms the module is being scanned, amber indicates forced channels, and red signals module diagnostics. Combined with open-circuit detection and signal quality monitoring, a technician can distinguish a broken field wire from a failed module without a laptop, which is the difference between a ten-minute fix and a shift-long investigation.Service-friendly design: The Honeywell 900A16-0001 supports removal and insertion under power in HC900 racks, so a suspect module can be swapped during operation where the process permits brief signal loss, and hot-spare strategies become practical.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Honeywell 900A16-0001 |
| Manufacturer | Honeywell |
| Product Type | 16-Channel High-Level Analog Input Module (HLAI) |
| System Compatibility | Honeywell ControlEdge HC900 (C30, C50, C70, C75S CPUs), local and remote I/O racks |
| Input Channels | 16, individually configurable per point |
| Input Signal Types | Current: 0–20 mA, 4–20 mA; Voltage: 0–5 V, 1–5 V, 0–10 V, ±5 V, ±10 V |
| Input Impedance | 250 Ω for current (integrated shunt resistor per channel, DIP-switch activated); >1 MΩ for voltage |
| A/D Resolution | 16-bit |
| Accuracy | ±0.05% of span typical, ±0.1% of span maximum |
| Temperature Drift | ≤ 0.01% of span per °C |
| Update Rate | 100 ms at module level; conversion synchronized with CPU execution |
| Common-Mode Rejection | > 90 dB at 120 V AC, 50/60 Hz |
| Series-Mode Rejection | > 31 dB |
| Isolation | Point-to-point galvanic isolation; 400 V DC between channel groups; 1000 V DC channel to backplane/logic |
| Diagnostics | Open-circuit (wire break), short circuit, module failure, power supply abnormality, per-channel failsafe value |
| Status Indication | Green blinking LED when scanned, amber blinking when channels forced, red LED on module diagnostics |
| Power Supply | 5 V DC at 75 mA max and 24 V DC at 50 mA max, backplane powered |
| Power Consumption | ≤ 75 mA at 5 V DC; ≤ 50 mA at 24 V DC |
| Terminal Block Required | 36-terminal Euro-style block (900TEK-0001) or barrier style (900TBK-0001) |
| Mounting | Plug-in module for HC900 I/O rack; supports removal and insertion under power (RIUP) |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Relative Humidity | 5% to 95%, non-condensing |
| Dimensions (H x W x D) | Approx. 135 × 53.6 × 105 mm (137 × 35.6 mm footprint variant listed by some suppliers) |
| Weight | Approx. 0.4 – 0.65 kg depending on build |
| Certifications | CE, UL, CSA, TUV, ATEX (Class I, Zone 2, IIC T6 in specified builds) |
| Country of Origin | USA |
Main Features and Advantages
High density without sacrificing channel independence: Sixteen points in one slot is a real cabinet-space saving, but unlike multiplexed cards the Honeywell 900A16-0001 processes all channels in parallel with the controller’s execution cycle. Adding a second or third module to a rack does not stretch the scan time, so a system can grow from a handful of loops to hundreds without the control performance quietly degrading. Each point is individually configured for voltage or current, which allows one module to serve a mixed population of pressure transmitters, flow meters and analysers.Isolation that removes external hardware: Point-to-point galvanic isolation plus chassis isolation means the module can accept signals from separate power domains and separately earthed field devices without isolators, signal splitters or additional marshalling. With 400 V DC between channel groups and 1000 V DC to the logic side, a fault on one loop stays on that loop instead of becoming a rack-wide event. In practice this eliminates a row of external isolation hardware and the wiring that goes with it.Integrated shunt resistors and field calibration: Every input carries its own 250-ohm shunt resistor, activated by DIP switch, so current loops are terminated at the module without separate hardware. The module supports field calibration, allowing compensation for sensor lead resistance and installation-specific effects, and each channel can be given a user-selectable failsafe value so that a detected fault drives the loop to a defined, safe state rather than an undefined one.Diagnostics you can see from the aisle: A green blinking status LED confirms the module is being scanned, amber indicates forced channels, and red signals module diagnostics. Combined with open-circuit detection and signal quality monitoring, a technician can distinguish a broken field wire from a failed module without a laptop, which is the difference between a ten-minute fix and a shift-long investigation.Service-friendly design: The Honeywell 900A16-0001 supports removal and insertion under power in HC900 racks, so a suspect module can be swapped during operation where the process permits brief signal loss, and hot-spare strategies become practical.
