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Schneider Electric Modicon AS-B820-008

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AS-B820-008

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The AS-B820-008 from Schneider Electric is a discrete I/O module designed for reliable operations. It provides 8 discrete outputs configured in true high mode, supporting a voltage range of 10 to 60 VDC with a maximum current capacity of 12 A across all outputs.

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Technical specifications for AS-B820-008

ManufacturerSchneider Electric
Product TypeDiscrete I/O Module
Product LineModicon
Part NumberAS-B820-008
Weight2.69 lbs (1.22 kg)
Operation ModeTrue high
Number of Outputs8 discrete outputs
Voltage Range10–60 VDC
Number of Output Groups4 groups
Outputs per Group2 outputs per group
Maximum Current per Output2 A per point
Maximum Current per Module12 A total across all outputs
Maximum Current per Group6 A per group
Surge Current Capacity10 A per channel (for 10 ms, 0.05% duty cycle)
Voltage Drop (ON State)1.5 VDC max at 2 A
Leakage Current (OFF State)5 mA max at 60 VDC
Peak Voltage Handling80 VDC max (for 10 ms, 0.05% duty cycle)
Response TimeON to OFF: 1 ms (typical 0.1 ms), OFF to ON: 1 ms
External Power Requirement10–60 VDC, max 500 mA per group (excluding load)
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The Schneider Electric AS-B820-008 is a discrete I/O module tailored for various automation applications. This product operates in a true high mode and consists of 8 distinct outputs, which are organized into 4 groups with 2 outputs per group. It accepts a voltage range of 10 to 60 VDC, allowing for flexible integration into different systems.

Each output can deliver a maximum current of 2 A, while the entire module can handle up to 12 A across all outputs. The module also provides a current capacity of 6 A for each group to ensure robust performance. For rapid transient situations, users can benefit from the surge current capability of 10 A per channel, effective for brief intervals (10 milliseconds at a 0.05% duty cycle).

When activated, the module maintains a maximum voltage drop of 1.5 VDC at 2 A, ensuring that connected devices receive adequate power. In the off state, it features a leakage current of no more than 5 mA at 60 VDC. Additionally, the AS-B820-008 demonstrates impressive peak voltage handling, rated up to 80 VDC for transient periods.

Response times are efficient, with 1 ms typically required to switch from ON to OFF and the same duration for OFF to ON transitions. An external power source ranging from 10 to 60 VDC is needed, with individual groups allowing a maximum of 500 mA of current, not including the output load.