SIEMENS 6ES7322-8BF00-0AB0
-
SIEMENS | PLC Controls | Digital Input / Output Modules
- EICHLER-art.no.: K0118559
- EAN: 4025515061090
- UPC: 662643303315
Product description
SIMATIC S7-300, DIGITAL OUTPUT SM 322, ISOLATED, 8 DO, 24 V DC, 0.5A (1X 8 DO), SHORT-CIRCUIT PROTECTION DIAGNOSTICS, 1X 20-POLE
Services for SIEMENS 6ES7322-8BF00-0AB0
Repair
from 597,47 €
to 913,77 €
Replacement
569,35 €
427,01 €
Used
632,61 €
474,46 €
New
702,90 €
527,17 €
SIEMENS |
6ES7322-8BF00-0AB0 –
additional product information
| Delivery information | |||
|---|---|---|---|
| Export identifier | AL: N ECCN: EAR99H | ||
| Net weight | 0.247 | ||
| Quantity | 1 Stück | ||
| Packaging quantity | 1 | ||
| Additional product information | |||
|---|---|---|---|
| Product status | |||
| EAN | 4025515061090 | ||
| UPC | 662643303315 | ||
| Static lot number | 85389091 | ||
| List indicator | ST73 | ||
| Product group | 4561 | ||
| Country of origin | DE | ||
| Compliance with the substance restrictions according to RoHS directive | Since: 20080331 | ||
| Product classifications | Version | Classification | |
|---|---|---|---|
| eClass | 4 | 27-24-03-04 | |
| eClass | 5.1 | 27-24-22-04 | |
| eClass | 6.0 | 27-24-22-04 | |
| ETIM | 3 | / | |
| ETIM | 4 | EC001419 | |
| ETIM | 5 | EC001419 | |
Was ist 6ES7322-8BF00-0AB0 und wo wird es eingesetzt
6ES7322-8BF00-0AB0 ist eine SIMATIC S7-300 Digitalausgabebaugruppe SM 322 von Siemens. Das Modul ist potentialgetrennt, stellt 8 digitale 24-V-DC-Ausgänge bereit und ist für 0,5 A pro Kanal ausgelegt. Siemens nennt als typische Einsatzfelder Magnetventile, DC-Schütze und Signallampen. Damit eignet sich die Baugruppe vor allem für klassische Schaltaufgaben in Maschinen, Fördertechnik, Verpackungsanlagen, Fertigungslinien und dezentralen ET-200M-Peripheriestationen. Für Instandhalter ist die Artikelnummer besonders relevant, wenn ein defekter Ausgang schnell identifiziert und ohne langes Engineering ersetzt werden muss. Für Einkäufer ist sie wichtig, weil sich darüber Bestandsabgleich, Beschaffung und Austausch eindeutig auf die richtige Baugruppe beziehen lassen.
Überblick der wichtigsten technischen Daten und was diese bedeuten
Die Baugruppe arbeitet mit einer Lastspannung L+ von 24 V DC bei einem zulässigen Bereich von 20,4 bis 28,8 V. Sie bietet 8 Ausgänge, einen typischen Verlust von 5 W, elektronischen Kurzschlussschutz und Diagnosefunktionen für Drahtbruch, fehlende Lastspannung, Kurzschluss nach M und Kurzschluss nach L+. Die Ausgänge sind in einer Gruppe von 8 Kanälen potentialgetrennt und benötigen einen 20-poligen Frontstecker. Pro Kanal sind 0,5 A Nennstrom möglich, pro Gruppe bis 4 A bei horizontalem Einbau bis 40 °C, bei höheren Temperaturen sinkt der Summenstrom. Für die Praxis heißt das: Das Modul ist gut für saubere 24-V-Schaltaufgaben geeignet, aber die Kanal- und Gruppengrenzen müssen bei Ventilen, Schützen oder parallelen Lasten sauber geprüft werden.
Produktstatus, Life-Cycle-Status und Obsoleszenz
Siemens kennzeichnet 6ES7322-8BF00-0AB0 aktuell als „spare part“. Für die Produktfamilie SIMATIC S7-300 / ET 200M wurde der Meilenstein PM400 am 1. Oktober 2023 gesetzt; die Typabkündigung PM410 ist seit 1. Oktober 2025 wirksam. Siemens nennt außerdem eine geplante Ersatzteilverfügbarkeit bis mindestens 1. Oktober 2033. Für Betreiber bedeutet das: Die Baugruppe ist für bestehende Anlagen weiter relevant, aber Neuprojekte und langfristige Modernisierungen sollten das Obsoleszenzrisiko aktiv einplanen. Einen pauschalen 1:1-Nachfolger veröffentlicht Siemens für diesen Artikel nicht. Für Modernisierungsszenarien verweist Siemens im ET-200SP-HA-Vergleich auf DQ 16x24VDC/0.5A HA, 6DL1132-6BH00-0PH1, allerdings ausdrücklich nicht als automatische 1:1-Kompatibilitätsaussage.
Verfügbare EICHLER Leistungen und wann sie in der Praxis relevant sind
Bei einem ungeplanten Ausfall ist Austausch oft der schnellste Weg, um Stillstand kurz zu halten: Auf der Artikelseite wird dafür eine Lieferzeit von 1–3 Tagen und aktueller Bestand ausgewiesen. Gebraucht ist interessant, wenn eine ältere Anlage wirtschaftlich weiterlaufen soll und eine kurzfristige, budgetschonende Lösung gesucht wird. Neu passt zu geplanten Ersatzbeschaffungen oder Lageraufbau. Reparatur ist besonders dann sinnvoll, wenn die Bestandsbaugruppe erhalten bleiben soll oder wenn Obsoleszenz den Beschaffungsmarkt verengt. EICHLER nennt für Reparaturen eine technische Reinigung, vorbeugende Instandhaltung, umfassende Funktionsprüfung und mindestens 24 Monate Garantie. Gerade bei abgekündigten S7-300-Baugruppen erhöht das die Funktionssicherheit, senkt das Ausfallrisiko im Bestand und unterstützt eine planbare Ersatzteilstrategie.
| Attribute | Value |
|---|---|
| Supply voltage | |
| Load voltage L+ | |
| ● Rated value (DC) | 24 V |
| ● permissible range, lower limit (DC) | 20.4 V |
| ● permissible range, upper limit (DC) | 28.8 V |
| Input current | |
| from load voltage L+ (without load), max. | 90 mA |
| from backplane bus 5 V DC, max. | 70 mA |
| Power loss | |
| Power loss, typ. | 5 W |
| Digital outputs | |
| Number of digital outputs | 8 |
| Short-circuit protection | Yes; Electronic |
| ● Response threshold, typ. | 0.75 to 1.5 A |
| Limitation of inductive shutdown voltage to | L+ (-45 V) |
| Controlling a digital input | Yes |
| Switching capacity of the outputs | |
| ● on lamp load, max. | 5 W |
| Load resistance range | |
| ● lower limit | 48 Ω |
| ● upper limit | 3 kΩ |
| Output voltage | |
| ● for signal "1", min. | L+ (-0.8 to -1.6 V) |
| Output current | |
| ● for signal "1" rated value | 0.5 A |
| ● for signal "1" permissible range for 0 to 40 °C, min. | 10 mA |
| ● for signal "1" permissible range for 0 to 40 °C, max. | 0.6 A |
| ● for signal "1" permissible range for 40 to 60 °C, min. | 10 mA |
| ● for signal "1" permissible range for 40 to 60 °C, max. | 0.6 A |
| ● for signal "1" minimum load current | 10 mA |
| ● for signal "0" residual current, max. | 0.5 mA |
| Output delay with resistive load | |
| ● "0" to "1", max. | 180 µs |
| ● "1" to "0", max. | 245 µs |
| Parallel switching of two outputs | |
| ● for uprating | No |
| ● for redundant control of a load | Outputs with series diodes only |
| Switching frequency | |
| ● with resistive load, max. | 100 Hz |
| ● with inductive load, max. | 2 Hz |
| ● with inductive load (acc. to IEC 60947-5-1, DC13), max. | 2 Hz |
| ● on lamp load, max. | 10 Hz |
| Total current of the outputs (per group) | |
| horizontal installation | |
| — up to 40 °C, max. | 4 A |
| — up to 60 °C, max. | 3 A |
| vertical installation | |
| — up to 40 °C, max. | 4 A |
| Cable length | |
| ● shielded, max. | 1 000 m |
| ● unshielded, max. | 600 m |
| Interrupts/diagnostics/status information | |
| Diagnostics function | Yes; Parameterizable |
| Alarms | |
| ● Diagnostic alarm | Yes; Parameterizable |
| Diagnoses | |
| ● Diagnostic information readable | Yes |
| ● Wire break | Yes |
| ● Short-circuit | Yes |
| ● Fuse blown | No |
| ● missing load voltage | Yes |
| Diagnostics indication LED | |
| ● Rated load voltage PWR (green) | No |
| ● Fuse OK FSG (green) | No |
| ● Group error SF (red) | Yes |
| ● Status indicator digital output (green) | Yes; per channel |
| ● Channel fault indicator F (red) | Yes |
| Potential separation | |
| Potential separation digital outputs | |
| ● between the channels, in groups of | 8 |
| ● between the channels and backplane bus | Yes; Optocoupler |
| Isolation | |
| Isolation tested with | 500 V DC |
| Connection method | |
| required front connector | 20-pin |
| Dimensions | |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Weights | |
| Weight, approx. | 210 g |
| Fault description | Possible solution |
|---|---|
| Why does the 6ES7322-8BF00-0AB0 report wire break even though the output is switched on? | The wire-break diagnostics only apply when the output is set to “1”. Siemens states that a wire break is detected when the current is below 1 mA. Therefore, first check the cable, terminals and the connected actuator. If the channel is intentionally open or only a very small load is being operated, the wire-break diagnostics for this channel should be disabled in STEP 7. |
| Why does the SM 322 indicate missing load voltage and the load does not switch? | Check the L+ load supply directly at the module. The permissible supply is 24 V DC within a range of 20.4 to 28.8 V. If L+ is missing, the module will not deliver a valid switching signal to the load; according to Siemens, the output switches to a 0 signal when the load voltage is missing. Check the power supply, terminals, fuses and the common reference potential. |
| Why does the 6ES7322-8BF00-0AB0 report a short circuit to M? | Siemens identifies two main causes: overload at the output or a direct short circuit from the output to M. Disconnect the load, measure the affected channel and check the wiring, actuator and current consumption. If the load exceeds the permissible range, it must be reduced or controlled via an interposing relay or a suitable output stage. |
| Why does the assembly report a short circuit to L+? | In this case, there is usually a wiring fault or an external potential on the output against L+. Check the affected channel for incorrect bridges, damaged cables or faulty wiring in the front connector. Important: Siemens points out that an external short circuit to L+ cannot be detected on outputs with a series diode. The diagnostic options therefore also depend on the specific output circuit used. |
| Why does the output behave differently than expected after CPU STOP or a voltage failure? | The behaviour is parameterisable. In CPU STOP, the module can output a substitute value or hold the last value, depending on the setting; the default is substitute value. If the L+ load voltage fails, the output switches to a 0 signal according to Siemens. Therefore, in addition to the wiring, also check the STEP 7 parameters for the response to CPU STOP and diagnostic interrupts. |
Is the 6ES7322-8BF00-0AB0 still available or has it been discontinued?
Within the Siemens portfolio, the assembly is no longer a regular production item and is instead classified as a spare part. For the SIMATIC S7-300 / ET 200M platform, the phase-out announcement has been in effect since 01 October 2023, while the product discontinuation date has been effective since 01 October 2025. Siemens plans to provide spare-parts support until at least 01 October 2033. For operators of existing systems, this means that procurement is still possible, but obsolescence management should be actively considered within maintenance, spare-parts stocking and modernisation planning.
Which front connector is required for the 6ES7322-8BF00-0AB0?
Siemens specifies a 20-pin front connector for this assembly. In ET 200M documentation, the 20-pin front connector with screw terminals, 6ES7392-1AJ00-0AA0, is listed as a suitable example. For spare-parts management, it is important to consider not only the module itself but also the correct connector and the condition of the existing wiring. Particularly during time-critical replacements, this can help avoid unnecessary downtime.
Can I directly switch solenoid valves and contactors with the 6ES7322-8BF00-0AB0?
Yes. Siemens explicitly identifies solenoid valves, DC contactors and signal lamps as typical loads for this module. However, it is essential that the limits of 0.5 A per channel and the permissible group current limits are observed. In practice, the load current, inrush current and available temperature margin should be evaluated. Where loads operate close to the limits or generate high inrush currents, isolation via a suitable relay or interface solution is often the more robust approach.
Can the 6ES7322-8BF00-0AB0 also be used in an ET 200M system?
Yes. Siemens lists the assembly in its ET 200M documentation as a supported digital output module (DO module). The ET 200M operating manuals specifically reference the 6ES7322-8BF00-0AB0 together with the appropriate 20-pin front connector. This is particularly relevant for existing installations, as many enquiries relate not only to central S7-300 racks but also to distributed ET 200M stations.
What happens if the load voltage is missing or the CPU enters STOP mode?
If the L+ load voltage is missing, Siemens states that the output switches to a 0 signal. In CPU STOP mode, the behaviour depends on the configured parameters: the module can either output a substitute value or retain the last value. This is an important consideration during troubleshooting, as what appears to be an output fault may in fact be caused by the power supply or the parameter configuration. To avoid recurring downtime, this behaviour should be clearly documented within the STEP 7 project.
Is there a direct successor to the 6ES7322-8BF00-0AB0?
Siemens does not publish a direct 1:1 replacement module for this article in the sense of an automatically approved exchange. For migration towards the ET 200SP HA platform, Siemens identifies the DQ 16x24VDC/0.5A HA, 6DL1132-6BH00-0PH1 as a comparable module. However, Siemens explicitly states that this comparison must not be interpreted as a 1:1 compatibility statement. For engineering and procurement teams, this means that any migration decision should be validated against the required load profile, channel count, diagnostic requirements and overall system architecture.
