1756-IB16ISOE

Product Overview

1756-IB16ISOE is a 16-point, 24/48V DC ControlLogix Sequence of Events input module designed for high-speed event capture and accurate timestamping.

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General Information

• Module Type: Sequence of Events (SOE) input module

• Input Points: 16 (individually isolated)

• Mounting: 1756 ControlLogix chassis

• RTB Connection: 36-position RTB (1756-TBCH or TBS6H)

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Electrical Specifications

• Backplane Current: 295 mA @ 5.1V DC, 2 mA @ 24V DC

• Backplane Power: 1.5 W

• Max Power Dissipation: 5.5 W @ 60°C

• Thermal Dissipation: 17.22 BTU/hr

• Nominal Input Voltage: 24V DC / 48V DC

• On-State Voltage Range: 10–55V DC

• Minimum On-State Current: 2.0 mA @ 9V DC

• Nominal On-State Current: 4.5 mA @ 24–31V DC

• Maximum On-State Current: 5.1 mA @ 48–55V DC

• Maximum Off-State Current: 1.5 mA

• Maximum Off-State Voltage: 5V DC

• Input Impedance: 10.8 kΩ @ 55V DC

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Timing Characteristics

• OFF to ON Delay:

• Hardware: 10 µs nominal / 20 µs max

• Firmware Scan: up to 25 µs

• Input Filter: 0–50 ms (user selectable)

• ASIC Delay: 175 µs (FIFO) / 625 µs (CST per point)

• ON to OFF Delay:

• Hardware: 25 µs nominal / 50 µs max

• Firmware Scan: 25 µs

• Input Filter: 0–50 ms (user selectable)

• ASIC Delay: 175 µs (FIFO) / 625 µs (CST per point)

• Timestamp Accuracy: 100 µs

• Cyclic Update Time (RPI): 250 µs to 750 ms (user selectable)

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Additional Data

• Reverse Polarity Protection: Yes

• Isolation Voltage:

• Input-to-backplane: 250V continuous

• Input-to-input: 125V continuous

• RTB Screw Torque: 4.4 in-lb (0.4 Nm) max

• Module Keying: Software configurable

• RTB Keying: User-defined mechanical keying

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