Allen Bradley 1794-IB16D Digital Input Module

Overview
The Allen-Bradley 1794-IB16D is a FLEX I/O digital input module with diagnostics. It provides 16 points of 24V DC sinking inputs with open-wire, short-circuit, and user supply reverse polarity diagnostic features. The module also has a 50mA maximum sensor power current and a 2.2V DC maximum sensor power voltage drop.

The 1794-IB16D is ideal for use in applications where it is important to monitor the status of field devices and to detect potential problems with wiring and connections. The module's diagnostic capabilities can help to prevent downtime and improve machine productivity.

• Input type    Sinking
• Input voltage    24V DC
• On-state current    1.5mA maximum
• Sensor power current    50mA maximum
• Sensor power voltage drop    2.2V DC maximum
• Input impedance    3.1kΩ
• Isolation voltage    50V DC (continuous)
• Response time    2ms typical
• Diagnostic resolution    1ms
• LED status indicators    Input status, sensor power status, module status
• Terminal block    Removable
• Weight    0.25 lb (0.11 kg)
• Dimensions    4.25 in (108 mm) x 2.87 in (73 mm) x 0.94 in (24 mm)

Features:

• 16 sinking inputs
• 24V DC nominal on-state voltage
• 1.5mA maximum on-state current
• 50mA maximum sensor power current
• 2.2V DC maximum sensor power voltage drop
• Open-wire detection
• Short-circuit detection
• Reverse polarity protection
• LED status indicators
• Removable terminal block

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4. Warranty: 12 months.
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