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Siemens 6ES7521-1FH00-0AA0 is the SIMATIC S7-1500 SM 521 digital input module DI 16x230 V AC BA. The official product description specifies 16 channels arranged in groups of four, 20 ms input delay and input type 1 according to IEC 61131.
Brand |
Siemens |
Series |
SIMATIC S7-1500 |
Article number |
6ES7521-1FH00-0AA0 |
Official description |
SM 521 digital input module DI 16x230 V AC BA, 16 channels in groups of four, 20 ms input delay and type 1 inputs to IEC 61131 |
w
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Article number
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6ES7521-1FH00-0AA0
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Product designation
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SM 521 DI 16x230 V AC BA
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Digital inputs
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16
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Rated signal voltage
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230 V AC
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Channel grouping
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Groups of 4
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Input delay
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20 ms
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Input type
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Type 1 according to IEC 61131
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Front connector
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Order separately
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Module family
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SM 521 digital input module
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System
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SIMATIC S7-1500
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Channels
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16 inputs arranged in four groups
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Front connection
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Screw-terminal or push-in front connector, ordered separately
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Protection and approvals
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Confirm in the current Siemens data sheet
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Operating conditions
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Subject to mounting and cabinet verification
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Signal environment
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Verify 230 V AC field wiring and circuit segregation
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Lifecycle
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Active product status shown by Siemens; confirm at quotation
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01
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Match the complete article number 6ES7521-1FH00-0AA0.
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02
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Confirm SIMATIC S7-1500 rack and CPU compatibility.
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03
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Verify 230 V AC input signal type and grouping.
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04
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Confirm the 20 ms input-delay requirement.
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05
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Select the separate screw-terminal or push-in front connector.
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06
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Verify field wiring, protection and project hardware configuration.
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Identity
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Match 6ES7521-1FH00-0AA0 and the complete Siemens description.
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Configuration
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Confirm series, system, firmware or project compatibility.
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Electrical data
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Verify supply, signals, loads, wiring and protection.
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Accessories
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Confirm all separately ordered connectors, BaseUnits or mounting parts.
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Documentation
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Request the current Siemens data sheet, certificates and manuals.
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Commercial scope
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Confirm quantity, condition, test status, warranty and dispatch terms.
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Real stock
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Subject to verification. Request current inventory evidence before quotation.
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Condition
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New, used or refurbished status must be confirmed for the offered unit.
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Current photos
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Current unit and nameplate photos are available on request.
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Warranty
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Available on request and confirmed in the written quotation.
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Dispatch time
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Subject to verification after quantity, destination and payment terms are confirmed.
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Testing
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Test status and any test report are subject to verification.
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Payment methods
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Available on request and stated in the formal quotation.
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Quotation response
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Response time is subject to verification; send the complete article number and quantity.
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Transaction confidence
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Company and transaction documents are available on request; use the written quotation and agreed payment terms.
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