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Siemens 6AG1221-1BF32-2XB0
SIPLUS S7-1200 SM 1221 8DI based on 6ES7221-1BF32-0XB0 with conformal coating, -40…+70 °C, start up -25 °C
- MPN
- 6AG1221-1BF32-2XB0
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What is the Siemens 6AG1221-1BF32-2XB0?
SIPLUS S7-1200 SM 1221 8DI based on 6ES7221-1BF32-0XB0 with conformal coating, -40…+70 °C, start up -25 °C, digital input 8 DI, 24 V DC, sink/source
Specifications
General information
| Product type designation | SM 1221, DI 8x24 V DC |
| based on | 6ES7221-1BF32-0XB0 |
Supply voltage
| Rated value (DC) | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
Input current
| from backplane bus 5 V DC, max. | 105 mA |
| Digital inputs — from load voltage L+ (without load), max. | 4 mA; per channel |
Output voltage
| Power supply to the transmitters — present | Yes |
Power loss
| Power loss, typ. | 1.5 W |
Digital inputs
| Number of digital inputs | 8 |
| Number of digital inputs — in groups of | 2 |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Number of simultaneously controllable inputs — all mounting positions — up to 40 °C, max. | 8 |
| Number of simultaneously controllable inputs — horizontal installation — up to 40 °C, max. | 8 |
| Number of simultaneously controllable inputs — horizontal installation — up to 50 °C, max. | 8 |
| Number of simultaneously controllable inputs — vertical installation — up to 40 °C, max. | 8 |
| Input voltage — Rated value (DC) | 24 V |
| Input voltage — for signal "0" | 5 V DC at 1 mA |
| Input voltage — for signal "1" | 15 V DC at 2.5 mA |
| Input current — for signal "0", max. (permissible quiescent current) | 1 mA |
| Input current — for signal "1", min. | 2.5 mA |
| Input current — for signal "1", typ. | 4 mA |
| Input delay (for rated value of input voltage) — for standard inputs — parameterizable | Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four |
| Input delay (for rated value of input voltage) — for interrupt inputs — Parameterizable | Yes |
| Cable length — shielded, max. | 500 m |
| Cable length — unshielded, max. | 300 m |
Interrupts/diagnostics/status information
| Diagnostics function | Yes |
| Alarms — Diagnostic alarm | Yes |
| Diagnostics indication LED — for status of the inputs | Yes |
Potential separation
| Potential separation digital inputs — between the channels, in groups of | 2 |
Degree and class of protection
| IP degree of protection | IP20 |
Standards, approvals, certificates
| Ecological footprint — environmental product declaration | Yes |
| Ecological footprint — Global warming potential — global warming potential, (total) [CO2 eq] | 123 kg |
| Ecological footprint — Global warming potential — global warming potential, (during production) [CO2 eq] | 12.1 kg |
| Ecological footprint — Global warming potential — global warming potential, (during operation) [CO2 eq] | 111 kg |
| Ecological footprint — Global warming potential — global warming potential, (after end of life cycle) [CO2 eq] | -0.434 kg |
Ambient conditions
| Free fall — Fall height, max. | 0.3 m; five times, in product package |
| Ambient temperature during operation — min. | -40 °C; = Tmin (incl. condensation/frost); start-up @ -25 °C |
| Ambient temperature during operation — max. | 70 °C; = Tmax; Tmax > +60 °C number of simultaneously activated inputs 4 (no adjacent points) for horizontal mounting position |
| Ambient temperature during operation — At cold restart, min. | -25 °C |
| Ambient temperature during storage/transportation — min. | -40 °C |
| Ambient temperature during storage/transportation — max. | 70 °C |
| Altitude during operation relating to sea level — Installation altitude above sea level, max. | 5 000 m |
| Altitude during operation relating to sea level — Ambient air temperature-barometric pressure-altitude | Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m) |
| Relative humidity — With condensation, tested in accordance with IEC 60068-2-38, max. | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) |
| Resistance — Coolants and lubricants — Resistant to commercially available coolants and lubricants | Yes; Incl. diesel and oil droplets in the air |
| Resistance — Use in stationary industrial systems — to biologically active substances according to EN 60721-3-3 | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request |
| Resistance — Use in stationary industrial systems — to chemically active substances according to EN 60721-3-3 | Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); * |
| Resistance — Use in stationary industrial systems — to mechanically active substances according to EN 60721-3-3 | Yes; Class 3S4 incl. sand, dust, * |
| Resistance — Use on ships/at sea — to biologically active substances according to EN 60721-3-6 | Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request |
| Resistance — Use on ships/at sea — to chemically active substances according to EN 60721-3-6 | Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); * |
| Resistance — Use on ships/at sea — to mechanically active substances according to EN 60721-3-6 | Yes; Class 6S3 incl. sand, dust; * |
| Resistance — Usage in industrial process technology — Against chemically active substances acc. to EN 60654-4 | Yes; Class 3 (excluding trichlorethylene) |
| Resistance — Usage in industrial process technology — Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04 | Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil) |
| Resistance — Remark — Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04 | * The supplied plug covers must remain in place over the unused interfaces during operation! |
| Conformal coating — Coatings for printed circuit board assemblies acc. to EN 61086 | Yes; Class 2 for high reliability |
| Conformal coating — Protection against fouling acc. to EN 60664-3 | Yes; Type 1 protection |
| Conformal coating — Military testing according to MIL-I-46058C, Amendment 7 | Yes; Discoloration of coating possible during service life |
| Conformal coating — Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A | Yes; Conformal coating, Class A |
Connection method
| required front connector | Yes |
Mechanics/material
| Enclosure material (front) — Plastic | Yes |
Dimensions
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
Weights
| Weight, approx. | 170 g |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
6AG1221-1BF32-2XB0: frequently asked questions
When can 6AG1221-1BF32-2XB0 be shipped?
6AG1221-1BF32-2XB0 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 6AG1221-1BF32-2XB0 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 6AG1221-1BF32-2XB0 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 6AG1221-1BF32-2XB0, subject to availability and destination.
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