Description
The Siemens 6ES7322-1BH10-0AA0 is a 16-channel SM 322 digital output module engineered for the SIMATIC S7-300 PLC ecosystem. This module switches 24 V DC electronic loads up to 0.5 A per channel, making it a standard choice for driving solenoids, contactors, indicators, and low-power actuators from a compact 40 mm wide footprint.
Commercial Availability and Global Shipping Options
- Condition: New Original (Factory Sealed) / Refurbished (Tested)
- Warranty: 12-month complete depot warranty
- Availability: In stock across our international warehouse locations
- Lead Time: Ready for shipment within 24 to 48 hours
Pricing Note: The listed price serves as an initial market reference point. Actual procurement costs vary based on component availability, order volume, and active market conditions. Reach out to our sales team to request a formal binding quote.
| Parameter | Value |
| Output Channels | 16 Digital Outputs |
| Output Type | Transistor (Source / M-switching) |
| Rated Load Voltage | 24 V DC |
| Output Current | 0.5 A per channel |
| Total Current of Outputs | Max 4.0 A per group (8 A per module) |
| Isolation | Galvanic isolation in groups of 8 |
| Front Connector | 20-pin (ordered separately) |
Field Application and Wiring Configurations
Where do plant maintenance teams typically deploy this card? In our field experience, the 6ES7322-1BH10-0AA0 is frequently found operating material handling systems and pneumatic valve manifolds. Because the module utilizes electronic switching rather than mechanical relays, it handles rapid duty cycles without mechanical wear—though you must keep total current limits in mind to avoid overheating the module.
[ 20-Pin Front Connector Layout ]
+---------------------------------------+
| Pin 1: +24 V DC Supply (L+ Group 1) |
| Pins 2-9: Output Channels 0 to 7 |
| Pin 10: Mass / Ground (M Group 1) |
| |
| Pin 11: +24 V DC Supply (L+ Group 2) |
| Pins 12-19: Output Channels 8 to 15 |
| Pin 20: Mass / Ground (M Group 2) |
+---------------------------------------+
Pay close attention to how you split your supply rails. The 16 outputs are divided into two isolated banks of 8 channels. Well, technically it outputs 0.5 A per channel, but only if you respect the group limit of 4.0 A at high ambient temperatures. If an inductive load lack an internal flyback diode, the inductive kickback can stress the transistor switches over time. If you experience unexpected channel shutdowns, verify the voltage at Pin 1 or Pin 11—the power supply jumpers are sometimes crimped poorly during fast field retrofits.
International Trade and Customs Compliance
Shipping mission-critical PLC hardware across international borders demands precise regulatory verification to avoid costly logistics bottlenecks. The export control classification number (ECCN) for this module is EAR99, allowing it to move to most global industrial hubs without an export license, assuming standard compliance screening passes.
Our logistics desk executes international shipments using EXW (Ex Works), FCA (Free Carrier), and CPT (Carriage Paid To) Incoterms. For emergency factory downtime, express air freight via DHL, FedEx, or UPS ensures the part reaches your facility within 2 to 3 business days. Every shipment includes a compliant commercial invoice, a packing list with true weights, and the global harmonized tariff classification code (HS Code: 85389091) for hassle-free customs handling. For high-volume corporate procurement, we accept verified Letters of Credit (L/C) or standard wire transfers (T/T).
Frequently Asked Questions
Can I use a 40-pin front connector with this module?
No. The 6ES7322-1BH10-0AA0 has a physical housing design that exclusively matches the 20-pin front connector (such as 6ES7392-1AJ00-0AA0). Attempting to use a 40-pin connector will damage the guide rails.
What happens if a channel experiences a dead short-circuit?
The module features built-in electronic short-circuit protection. If a fault occurs, the internal circuitry limits the current and attempts to safeguard the transistor, though the red SF (System Fault) LED on the CPU or module faceplate may illuminate to signal an active diagnostic interrupt.




