Honeywell 900U01-0100 Universal Input/Output  Module is a Universal Input/Output Module used in industrial control and automation systems. This module can handle various types of inputs and outputs, such as analog inputs, analog outputs, digital inputs (with and without open wire detection), and digital outputs.

Key Specifications

Analog Input (AI)

• Input Type: Current (2, 3, or 4-wire devices)
• Input Channels: 16 maximum per module
• A/D Converter Resolution: 16-bit
• Input Range: 0-20 mA or 4-20 mA
• Crosstalk: 58 dB (dc to 60 Hz, channel-to-channel)
• Input Impedance: 250 Ω nominal
• Maximum Input Voltage: 0 – 30V (no damage)
• Hardware Accuracy: 0.1% of full-scale (23.5 ± 2°C), 0.25% of full-scale (0 to +60°C)
• Transmitter Field Power Conditioning: Current limited to 24 mA
• Input Filter: First-order low-pass 100 Hz

Analog Output (AO)

• Output Type: 4-20 mA current loop & 0-20 mA current loop
• Output Channels: 5 maximum per module
• Output Ripple: <= 125 mV peak-to-peak at power line frequency, across 250 Ohm load
• Output Temperature Drift: 0.5% of FSR
• Output Current Linearity: < 0.05%
• Resolution: 12-bit
• Calibrated Accuracy: < 0.5% of Full Scale (25°C), including linearity
• Directly Settable Output Current Range: 0 mA to 23 mA
• Maximum Resistive Load: 500 Ohms
• Minimum Resistive Load: 100 Ohms
• Maximum Output Compliant Voltage: 14 VDC
• Maximum Open Circuit Voltage: 24 VDC

Digital Input with Open Wire Detect

• Open Voltage: 24V
• Short Circuit Current: 7 mA
• Open Contact: 15 kΩ > 0.1 W
• Closed Contact: 5 kΩ > 0.25 W
• Short Circuit Detection: I > 6mA +/-5%
• Closed Contact Detection: 2.8mA < I < 6mA +/-5%
• Lead Breakage Detection: I < 0.9mA +/-5%
• Input Filter: First-order low-pass 100 Hz

Digital Input without Open Wire Detect

• Open Voltage: 24V
• Closed Contact Current: 7 mA ± 5% (after open state detection)
• Closed Contact Detection: I > 2.81mA
• Open Contact Detection: I < 1.8mA
• Input Filter: First-order low-pass 100 Hz

Digital Output

• Output Channels: 16 maximum per module
• Output Type: Solid-state source, short circuit-proof
• Load Current: 0mA Minimum to 0.5A Maximum per channel, 1.5A Maximum per module
• On-State Voltage: 24 V (typical), load current @ 0.5A
• Off-State Voltage: 0 VDC
• Off-State Leak Current: < 0.1 mA