Industrial Automation Solution – SIEMENS 6ES7322-1HH00-0AA0 | S7-300 Series
The SIEMENS 6ES7322-1HH00-0AA0 is a 16-channel digital output module designed for the SIMATIC S7-300 programmable logic controller platform. Engineered in Germany to IEC 61131-2 standards, this module delivers reliable 24 VDC switching at up to 0.5 A per channel — the workhorse output card specified by automation engineers across discrete manufacturing, process industries, and infrastructure projects worldwide.
Where This Product Is Used
- Automotive Assembly Lines — Controls solenoid valves, pneumatic actuators, and conveyor drives in body-in-white and powertrain assembly cells.
- Food & Beverage Processing — Switches dosing pumps, filling valves, and conveyor motors in hygienic production environments.
- Water & Wastewater Treatment — Drives pump starters, motorized gate valves, and alarm indicators in SCADA-integrated water management systems.
- Pharmaceutical Manufacturing — Activates agitators, transfer pumps, and clean-in-place (CIP) valves in GMP-compliant batch processes.
- Building Automation & HVAC — Controls fan coil units, damper actuators, and lighting contactors in intelligent building management systems.
- Oil & Gas Upstream/Midstream — Operates shutdown valves and compressor control panels in hazardous-area control cabinets (with appropriate barriers).
- Machine Tool & Robotics — Interfaces with servo drives, spindle contactors, and safety relays in CNC machining centers.
Technical Specifications
- Part Number: 6ES7322-1HH00-0AA0
- Series: SIMATIC S7-300
- Module Type: Digital Output (DO)
- Number of Outputs: 16 channels
- Output Voltage: 24 VDC
- Output Current: 0.5 A per channel
- Total Current per Module: 4 A
- Output Type: Transistor (sourcing / PNP)
- Isolation: Optocoupler isolation between field and backplane bus
- Backplane Bus: SIMATIC S7-300 standard rail
- Dimensions (W × H × D): 40 × 125 × 120 mm
- Weight: approx. 200 g
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: −40 °C to +70 °C
- Degree of Protection: IP20
- Country of Origin: Germany
Why Engineers Specify This Model
- High Channel Density — 16 outputs in a single 40 mm-wide slot minimizes rack space and wiring costs versus discrete relay modules.
- Transistor Switching Speed — Sub-millisecond switching enables precise timing control for high-speed sorting, labeling, and positioning applications.
- Diagnostic Capability — Per-channel short-circuit and overload detection with status LEDs and diagnostic interrupt to the CPU reduces mean time to repair (MTTR).
- Seamless S7-300 Integration — Plug-and-play compatibility with all S7-300 CPUs (314, 315, 317, 319 series) and STEP 7 / TIA Portal engineering software.
- Long Product Lifecycle — Part of Siemens’ extended availability program; spare parts and firmware support maintained for industrial lifecycle requirements.
- Proven Field Reliability — MTBF exceeding 500,000 hours under rated conditions, backed by Siemens global service network.
Complete System Bill of Materials
For a complete S7-300 digital output station, engineers typically specify:
- S7-300 Rack: 6ES7390-1AE80-0AA0 (Rail 480 mm)
- Power Supply: 6ES7307-1EA01-0AA0 (PS307 5A)
- CPU: 6ES7315-2AH14-0AB0 (CPU 315-2 DP) or equivalent
- This Module: 6ES7322-1HH00-0AA0 (SM 322 16DO)
- Front Connector: 6ES7392-1AJ00-0AA0 (20-pin screw terminal)
- Shielding Terminal: 6ES7390-5AA00-0AA0
Compliance & Industry Standards
- IEC 61131-2 — Programmable Controllers: Equipment Requirements and Tests
- CE Marking — EU Low Voltage Directive & EMC Directive compliant
- UL 508 — Industrial Control Equipment (UL Listed)
- ATEX / IECEx — Suitable for Zone 2 applications with approved barriers
- RoHS 2 (2011/65/EU) — Restriction of Hazardous Substances compliant
- ISO 9001:2015 — Manufactured under Siemens certified quality management system
Quality Assurance & Sourcing
Konmask.com sources SIEMENS 6ES7322-1HH00-0AA0 modules exclusively through verified industrial distribution channels. Every unit undergoes incoming inspection including:
- Visual inspection for physical damage, label authenticity, and date code verification
- Functional power-on test confirming LED status and backplane communication
- Anti-static packaging with humidity indicator card for safe transit
- Traceability documentation available on request for regulated industries
We do not supply refurbished, remarked, or counterfeit components. All products ship with original Siemens packaging where available.
How to Source This Part
- In-Stock Orders: Add to cart and check out — most orders ship within 1–3 business days from our warehouse.
- Bulk / Project Quantities: Contact support@konmask.com for volume pricing and lead-time confirmation.
- Urgent Requirements: Call or WhatsApp +0086 19859288691 for same-day quotation on critical plant shutdowns.
- Cross-Reference / Replacement: If you are replacing a different module, share your existing part number and we will confirm compatibility.
Application-Specific FAQ
Q: Is the 6ES7322-1HH00-0AA0 compatible with TIA Portal?
A: Yes. The module is fully supported in TIA Portal V13 and later via the SIMATIC S7-300 hardware catalog. It is also configurable in STEP 7 V5.x (Classic).
Q: Can I mix this module with analog modules on the same rack?
A: Yes. S7-300 racks support mixed digital and analog I/O modules in any slot order (slots 4–11), subject to total current budget of the power supply.
Q: What front connector do I need?
A: The 6ES7392-1AJ00-0AA0 (20-pin screw-type) or 6ES7392-1BJ00-0AA0 (20-pin spring-type) front connector is required and sold separately.
Q: Is this module suitable for safety (SIL) applications?
A: No. For safety-rated outputs, specify the SIMATIC S7-300F fail-safe modules (e.g., 6ES7326-2BF41-0AB0). This module is standard (non-fail-safe).
Q: What is the difference between 6ES7322-1HH00-0AA0 and 6ES7322-1HH01-0AA0?
A: The -1HH01 is a later hardware revision with minor firmware updates; both are functionally identical and interchangeable in most applications. Konmask can advise on availability of each revision.
Q: Do you provide a warranty?
A: Yes. Konmask.com provides a 12-month warranty against manufacturing defects on all new SIEMENS modules. See our warranty policy for full terms.
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Contact: support@konmask.com | +0086 19859288691


