Honeywell HC900 Series 900U01-0100 Universal Input/output Module

Product Overview

• Manufacturer: Honeywell
  

• System: Experion LX R520
  

• Document Reference: LX03-370_V3.0
  

• Type: UOC (Universal I/O Controller) – Analog, Digital, and HART I/O Specifications

General I/O Specifications

• Channels: 16 (Isolated to rack)

• Galvanic Isolation: 1 kV AC (logic to field)

• Field Supply Voltage:

• Typical: 24 V DC

• Minimum: 22 V DC

• Maximum: 27 V DC

• Load Capacity:

• 4.2 A per module (max)

• 500 mA per channel

Analog Input (AI)

• Input Type: Current (2, 3, or 4-wire devices) with HART support

• Channels: Up to 16 per module (with/without open wire detect)

• A/D Converter Resolution: 16-bit

• Input Range: 0–20 mA or 4–20 mA

• Input Impedance: 250 Ω nominal

• Maximum Input Voltage: 0–30 V (no damage)

• Hardware Accuracy:

• ±0.1% FS (23.5 ± 2°C)

• ±0.25% FS (0–60°C)

• Crosstalk: 58 dB (dc to 60 Hz, channel-to-channel)

• Input Filter: First-order low-pass, 100 Hz

• Transmitter Power Conditioning: Current limited to 24 mA

• HART Multi-drop: One device per channel

Analog Output (AO)

• Output Type: 4–20 mA or 0–20 mA current loop with HART support

• Channels: Up to 6 per module (with/without open wire detect)

• Resolution: 12-bit

• Calibrated Accuracy: <0.5% FS (25°C, including linearity)

• Linearity: <0.05%

• Ripple: ≤125 mV peak-to-peak across 250 Ω load

• Temperature Drift: 0.5% of FSR

• Direct Output Range: 0–23 mA

• Resistive Load:

• Minimum: 100 Ω

• Maximum: 500 Ω

• Compliant Voltage: 14 VDC (at 24 V supply)

• Open Circuit Voltage: 24 VDC

• Fail-Safe Configuration:

• Hold Last Value

• Failsafe Value

• HART Multi-drop: One device per channel

Digital Input (DI) – With Open Wire Detect

• Open Voltage: 24 V

• Short Circuit Current: 7 mA

• Contact Resistance:

• Open: >15 kΩ

• Closed: <5 kΩ

• Detection Ranges:

• Short Circuit: I > 6 mA ±5%

• Closed: 2.8–6 mA ±5%

• Open/Lead Breakage: I < 0.9 mA ±5%

• Input Filter: First-order low-pass, 100 Hz

Digital Input (DI) – Without Open Wire Detect

• Open Voltage: 24 V

• Closed Contact Current:

• 7 mA ±5% (after open state)

• 3.5 mA ±5% (after closed state)

• Detection Thresholds:

• Closed: I > 2.81 mA

• Open: I < 1.8 mA

• Input Filter: First-order low-pass, 100 Hz

Digital Output (DO)

• Channels: 16 per module (with/without open wire detect)

• Output Type: Solid-state source, short-circuit proof

• Load Current:

• 0 mA min to 0.5 A max per channel

• 4.2 A max per module

• On-State Voltage: 24 V DC (typical at 0.5 A load)

• Off-State Voltage: 0 V DC

• Leak Current (Off-State): <0.1 mA

• Fail-Safe Configuration:

• Hold Last State

• Failsafe State