Home > Products > SIEMENS > SIMATIC S7 Series
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Complete model
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6ES7522-5EH00-0AB0
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Brand
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Siemens
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Product family
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SIMATIC S7-1500 / ET 200MP, SM 522
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Product type
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DQ 16x24...48 V UC/125 V DC/0.5 A ST digital output module
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Digital outputs
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16 transistor outputs; current-sinking and current-sourcing
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Rated output voltage
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24 V DC, 48 V DC, 125 V DC; 24 V AC and 48 V AC at 50 to 60 Hz
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Rated output current
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0.5 A per channel; 0.5 A per group; 8 A per module maximum
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Isolation
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Channels individually isolated; channels isolated from backplane; tested at 2000 V DC
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Substitute values
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Configurable per channel
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Switching cycle counter
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Integrated from firmware V1.1.0
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Operating temperature
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Horizontal: -25 to 60 C from FS05; vertical: -25 to 40 C from FS05
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Dimensions
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35 x 147 x 129 mm (W x H x D)
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Weight
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Approximately 230 g
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1
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How can I confirm the quoted module is exactly 6ES7522-5EH00-0AB0?
Check the complete Siemens article number on the label and quotation, and confirm the description states DQ 16x24...48 V UC/125 V DC/0.5 A ST with 16 individually isolated digital outputs.
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2
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How can I identify new, used, or refurbished condition?
Request current images of the label, front connector bay, U-connector area, housing, channel indicators, mounting latch, and packaging. Look for terminal marks, scratches, dust, resealed packaging, or replaced labels.
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3
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How can procurement verify the supplier is legitimate?
Verify the company registration, invoice identity, address, and traceable communication. Require time-stamped evidence of the same 6ES7522-5EH00-0AB0 unit and a quotation that states its 16-channel voltage range and 0.5 A output rating.
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4
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Which technical points must engineering check before purchase?
Confirm the 24/48 V UC and 125 V DC load range, 0.5 A per channel, 8 A module total, external output fuse requirement, separate front connector, 35 mm module width, mounting temperature, and the intended S7-1500 or ET 200MP station.
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5
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What physical evidence should be requested before payment?
Ask for time-stamped photos of all sides, the full article label, front connector area, U-connector interface, indicator panel, packaging, and serial or batch data. A continuous video should keep the same module and label in view.
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6
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Can a nearby DQ16 suffix replace 6ES7522-5EH00-0AB0?
Do not substitute by channel count alone. Verify voltage type and range, individual channel isolation, 0.5 A rating, 35 mm width, firmware and hardware status, safety-related shutdown requirement, and connector arrangement.
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