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TrustPilot Reviews
6AG22211BF321XB0
SIEMENS
SIPLUS S7-1200 SM 1221 8DI RAIL
AVAILABLE
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- "SIPLUS S7-1200 SM1221 8DI RAIL -25 ... +70 Degree C T1 with 70 Degree for 10 min with Conformal Coating BasedOn 6ES7221-1BF32-0XB0 . Digital Input 8 DI. 24V DC. Sink/Source."
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| Specification | Value |
|---|---|
| Brand | SIPLUS |
| Depth | 75 millimetre |
| Number of inputs | 8 |
| Width | 45 millimetre |
| Number of outputs | 0 |
| Height | 100 millimetre |
| Input voltage, type | DC |
| Supply voltage type | DC |
| Manufacturer name | Siemens |
| Number of inputs, digital | 8 |
| Number of outputs, digital | 0 |
| digital inputs, configurable | true |
| min. supply voltage with DC | 20 volt |
| Manufacturer product family | S7-1200 |
| Redundancy-compatible present | false |
| suitable for safety functions | false |
| max. supply voltage with DC | 28.8 volt |
| Input current for state 1 | 4 milliampere |
| min. permissible voltage at input | 0 volt |
| max. permissible voltage at input | 30 volt |
| Corresponding operating medium (Ex ia) | false |
| Corresponding operating medium (Ex ib) | false |
| Manufacturer product root | Digital module input |
| description of product type | SM 1221, DI 8x24 V DC |
| Min. delay time with change of signal | 0 millisecond |
| Max. delay time with change of signal | 13 millisecond |
| Power loss, static, current-independent [Pls] | 2 watt |
| Design of electrical connection | Screw/spring connection |
| Explosion protection categories for gases | ATEX gas-ex-protection, Cat. 3 |
| Country of Origin | DE |
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*New items come with up to 24 month Obso Warranty
Our previously used items and repair options come with 12 months Obso Warranty.
"Super service! Everything was processed very quickly and competently and the personal support was excellent. I would always choose Obso Automation again! Many thanks for the great support." - MJ
Our previously used items and repair options come with 12 months Obso Warranty.
"Super service! Everything was processed very quickly and competently and the personal support was excellent. I would always choose Obso Automation again! Many thanks for the great support." - MJ
*Same & Next Day Delivery & Collection is available for stock from our UK and NL branches. Next-day delivery collection and 2 day delivery is available for stock sourced from our partners. In 90% of cases, we can deliver faster than the manufacturer’s ETA where required.
Standard options for delivery are also available where required.
"Professional, courteous and accurate. Obsolete part quoted same day and supplied next" - PT
Standard options for delivery are also available where required.
"Professional, courteous and accurate. Obsolete part quoted same day and supplied next" - PT
We are ISO 9001 accredited so you have peace of mind with your purchase.
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Part added for enquiry
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Your personal Account Manager is already on it, delivering rapid responses and unbeatable service.
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We don’t just process orders—we guarantee smooth delivery, full transparency, and zero headaches.
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Our 10,000+ customers trust us for a reason. Get your quote now and experience automation without risk, delays, or uncertainty.
