1756-IC16

General Specifications

• Product type designation: DC (30…60V) Input Module
• Model: 1756-IC16
• Description: 30-60V DC input module, 16 points (20-pin), 8 points/group
• Voltage category: 48V DC sink

Input Specifications

• Number of inputs: 16 (8 points/group)
• Operating voltage range: 30…55V DC @ 60 °C, 30…60V DC @ 55 °C
• Input voltage, nominal: 48V DC
• Off-state voltage, max: 10V
• Off-state current, max: 1.5 mA
• On-state current, min: 2 mA @ 30V DC
• On-state current, max: 7 mA @ 60V DC
• Inrush current, max: 250 mA
• Input impedance, max: 8.57 kΩ @ 60V DC

Input Delay Time (Screw to Backplane)

• Off to On: Hardware delay: 1 ms max + filter time; user-selectable filter time: 0 ms, 1 ms, or 2 ms
• On to Off: Hardware delay: 4 ms max + filter time; user-selectable filter time: 0 ms, 1 ms, 2 ms, 9 ms, or 18 ms

Power and Dissipation

• Current draw @ 5.1V: 100 mA
• Current draw @ 24V: 3 mA
• Total backplane power: 0.58 W
• Power dissipation, max: 5.2 W @ 60 °C
• Thermal dissipation: 17.73 BTU/hr

Features and Diagnostics

• Cyclic update time: 200 µs…750 ms
• Change of state: Software configurable
• Time stamp of inputs: ±200 µs
• Reverse polarity protection: Yes

Isolation

• Isolation voltage: 250V continuous (basic insulation type, inputs-to-backplane); 125V continuous (basic insulation type, input group-to-group)
• No isolation between individual group inputs

Configuration and Wiring

• Module keying: Electronic, software configurable
• RTB keying: User-defined mechanical
• Removable terminal block housing: 1756-TBNH, 1756-TBSH
• Slot width: 1
• Wire category: 1

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