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About product:
The Guard I/O DeviceNet Safety Module, catalog number 1791DS-IB8XOB8, is a safety output device equipped with solid-state outputs. This module features integrated I/O capabilities, including eight (8) safety inputs, eight (8) solid-state outputs, and four (4) test outputs.
The 1791DC-IB8XOB8 module is housed in an enclosure with an Ingress Protection (IP) rating of 20, making it suitable for controlled environments. It is designed for applications requiring Safety Integrity Level (SIL) 3 compliance and adheres to IEC 61508 standards as well as Safety Category 4 as defined in EN 954-1.
The safety inputs are configured for sink wiring, with a minimum on-state voltage of 11V DC and an input current of 6 mA. Test output channels operate in a sourcing configuration, with a rated output current of 0.7 A, a maximum residual voltage of 1.2 V, and a maximum leakage current of 0.1 mA. Similarly, the safety outputs also support sourcing configurations, with a rated output current of 0.5 A, a maximum residual voltage of 1.2 V, and a maximum leakage current of 0.1 mA.
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Attribute
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Specification
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Product Type
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Guard I/O DeviceNet Safety I/O Module
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Part Number
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1791DC-IB8XOB8 / 1791DS-IB8XOB8
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Number of Inputs
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Eight (8) sinking inputs
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Input Type
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Single-Channel
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ON-State Voltage Range
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11V DC minimum
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OFF-State Voltage Range
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5V DC maximum
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Number of Safety Outputs
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Eight (8) sourcing outputs
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Rated Output Current
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0.7 A
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Number of Test Outputs
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Four (4) sourcing outputs
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Output Type
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Current Sourcing
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Communication Current Consumption
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110 mA at 24V DC
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I/O Power Supply Voltage
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20.4–26.4V DC (24V DC, -15% to +10%)
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Operational Temperature
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-40 to 70°C (-40 to 158°F)
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Power Consumption
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110 mA at 24V DC
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Operating Voltage Range
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20.4–26.4V DC
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86-18965423501 
86-18965423501
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