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Siemens 6ES7321-7TH00-0AB0
Spare part ********* SIMATIC S7/PCS7, digital input SM 321, 16 DI; 24 V DC, 1 x 40-pole, diagnostics-capable
- MPN
- 6ES7321-7TH00-0AB0
- Category
- CPU & Controllers
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
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What is the Siemens 6ES7321-7TH00-0AB0?
********** spare part ********* SIMATIC S7/PCS7, digital input SM 321, 16 DI; 24 V DC, 1 x 40-pole, diagnostics-capable, for contacts (wired/ not wired), NAMUR encoder, 3/4-wire BERO, with chatter monitoring; pulse stretching, open-circuit detection connection IM 153-2 HF or IM 153-4 HF possible
Specifications
Supply voltage
| Load voltage L+ — Rated value (DC) | 24 V |
| Load voltage L+ — Reverse polarity protection | Yes |
Input current
| from load voltage L+ (without load), max. | 100 mA |
| from backplane bus 5 V DC, max. | 100 mA |
Encoder supply
| Number of outputs | 4 |
| Type of output voltage | 1Vs1/2Vs1: 18 V, 1Vs2/2Vs2: 8.2 V |
| Short-circuit protection | Yes; Electronic |
| additional (redundant) feed | No |
| Output current — Rated value | 190 mA; at 18V: 190mA, at 8.2V: 60mA |
| Output current — permissible range, upper limit | Up to 60 degree: at 18V: 0 to 110mA, at 8.2V: 0 to 60mA; Up to 40 degree: at 18V: 0 to 190mA, at 8.2V: 0 to 60mA |
Power loss
| Power loss, typ. | 11 W |
Digital inputs
| Number of digital inputs | 16 |
| Input characteristic curve in accordance with IEC 61131, type 1 | No |
| Input characteristic curve in accordance with IEC 61131, type 2 | Yes |
| Number of simultaneously controllable inputs — horizontal installation — up to 60 °C, max. | 16 |
| Number of simultaneously controllable inputs — vertical installation — up to 40 °C, max. | 16 |
| Input voltage — Type of input voltage | DC |
| Input voltage — Rated value (DC) | 8.2 V; 8.2V/18V |
| Input current — for signal "0", min. | 0.35 mA |
| Input current — for signal "0", max. (permissible quiescent current) | 1.2 mA |
| Input current — for signal "1", typ. | 10 mA; for NAMUR: 2.1 to 7 mA, for 10k ohm/47k ohm contact: typical 10mA, for 4 wire BEROs: typical 10 mA |
| Input delay (for rated value of input voltage) — for standard inputs — at "0" to "1", min. | 2.5 ms |
| Input delay (for rated value of input voltage) — for standard inputs — at "0" to "1", max. | 3.5 ms |
| Input delay (for rated value of input voltage) — for standard inputs — at "1" to "0", min. | 2.5 ms |
| Input delay (for rated value of input voltage) — for standard inputs — at "1" to "0", max. | 3.5 ms |
| Cable length — shielded, max. | 400 m; max. 200m with 8.2 V sensor, max. 400m with 18 V sensor |
| Cable length — unshielded, max. | Not permitted |
Interrupts/diagnostics/status information
| Alarms | Yes |
| Diagnostics function | Yes |
| Alarms — Diagnostic alarm | Yes |
| Alarms — Hardware interrupt | Yes |
| Diagnoses — Diagnostic information readable | Yes |
| Diagnoses — Wire break | Yes |
| Diagnostics indication LED — Group error SF (red) | Yes |
| Diagnostics indication LED — Status indicator digital input (green) | Yes |
| Diagnostics indication LED — Encoder supply Vs (green) | Yes |
Potential separation
| Potential separation digital inputs — between the channels | Yes |
| Potential separation digital inputs — between the channels, in groups of | 8 |
| Potential separation digital inputs — between the channels and backplane bus | Yes |
Isolation
| Isolation tested with | 600 V DC |
Ambient conditions
| Ambient temperature during operation — min. | 0 °C |
| Ambient temperature during operation — max. | 60 °C |
Connection method
| required front connector | 1x 40-pin |
Dimensions
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
6ES7321-7TH00-0AB0: frequently asked questions
When can 6ES7321-7TH00-0AB0 be shipped?
6ES7321-7TH00-0AB0 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 6ES7321-7TH00-0AB0 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 6ES7321-7TH00-0AB0 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 6ES7321-7TH00-0AB0, subject to availability and destination.
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