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ControlLogix 16 Point D/I Module
SKU: 1756-IH16ISOE
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Short Description
Description:
The 1756-IH16ISOE is a 16-point digital input module for the ControlLogix platform that has individually separated inputs and Sequence of Events (SOE) functionality.
Each input channel is optically isolated, offering reliable protection against electrical noise and transient voltages—perfect for high-integrity data capture in harsh industrial situations.
What distinguishes this module is its SOE feature, which allows for sub-millisecond time-stamping of input events.
This makes it particularly useful in applications like as power monitoring, fault analysis, and event tracking, where accurate timing of digital signals is required.
16 optically isolated digital inputs.
Supports 10–30V DC signals (sink/source compatible).
SOE (Sequence of Events) timestamping for each input.
High immunity to electrical noise and voltage spikes.
Compatible with Studio 5000 Logix Designer software.
Ideal for mission-critical systems requiring accurate event logging.
Buy currently uses Select Automation shop pricing and checkout.
Electrical Specifications:
Input Channels: 16 individually optically isolated inputs.
Input Voltage Range: 10–30V DC.
Nominal Voltage: 24V DC.
Input Type: Sink/source compatible.
On-State Voltage: ≥10V DC.
Off-State Voltage: ≤5V DC.
On-State Current: ≥2 mA.
Off-State Current: ≤1.5 mA.
Input Delay Time: Typically, <1 ms.
Sequence of Events (SOE) Capabilities:
Time-Stamp Accuracy: ±1 ms per input.
Event Buffering: Captures and logs input transitions with sub-millisecond precision.
Use Case: Ideal for fault analysis, power system monitoring, and event-driven control.
Power Requirements:
Backplane Current Draw:
5.1V DC: ~100 mA.
24V DC: ~2 mA.
Power Dissipation: ~0.58 W.
Isolation & Protection:
Channel Isolation: Optical isolation per input.
Isolation Voltage:
Continuous: 125V AC (inputs-to-backplane and group-to-group).
Routine Tested: 1400V AC for 2 seconds.
Reverse Polarity Protection: Yes.
Environmental Ratings:
Operating Temperature: 0°C to 60°C (32°F to 140°F).
Storage Temperature: –40°C to 85°C.
Humidity: 5% to 95%, non-condensing.
Shock Resistance: 30g.
Vibration Resistance: 10–500 Hz, 5g.