Siemens
Siemens SIMATIC S7-400 6ES7421-7DH00-0AB0 digital input module
Manufacturer part number: 6ES7421-7DH00-0AB0ESYS SKU: 6ES7421-7DH00-0AB0
Net unit price, VAT 0%
€442.61
VAT 25.5% and delivery are shown separately in the request summary.
Current availability
Current available stock: 0 pcs
- Minimum order
- 1 pcs
- Order increment
- 1 pcs
- Availability checked
- 1 Sept 2026, 08:45
Siemens SIMATIC S7-400 6ES7421-7DH00-0AB0 digital input module. Key selection data: Number of digital inputs: 16; Input type: similar to IEC 61131-2; Input delay: 0.5 ms, 0.5 / 3 / 10 / 20 ms; Width: 25 mm; Height: 290 mm; Depth: 210 mm.
Direct ordering is unavailable for this item.
Send the part number and quantity to ESYS for availability or compatibility confirmation.
Information for product selection
Typical applications
- Reading digital sensor and switch signals
- Connecting field inputs to distributed I/O
- Replacement in an existing Siemens assembly when article number 6ES7421-7DH00-0AB0 matches
Key specifications
- Number of digital inputs
- 16
- Input type
- similar to IEC 61131-2
- Input delay
- 0.5 ms; 0.5 / 3 / 10 / 20 ms
- Width
- 25 mm
- Height
- 290 mm
- Depth
- 210 mm
Lifecycle
- Status
- Phase-out
Compatibility and related parts
6ES7421-7DH00-0AB0
Replacement: Replacement is allowed only when the target article number is exactly 6ES7421-7DH00-0AB0; this does not establish interchangeability with any other Siemens article.
