Description
The Siemens 6ES7323-1BL00-0AA0 is a high-density SM 323 digital input/output module designed for the SIMATIC S7-300 PLC platform. It integrates 16 digital inputs (24 V DC) and 16 digital outputs (24 V DC, 0.5 A) into a single 40 mm wide frame, presenting a practical way to expand system capacity when panel space is limited.
Commercial Availability and Global Shipping Options
- Condition: New Original (Factory Sealed) / Refurbished (Tested)
- Warranty: 12-month depot warranty
- Availability: In stock at global fulfillment hubs
- Lead Time: Dispatches within 1 to 2 business days
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 |
| Input Channels | 16 Digital Inputs |
| Output Channels | 16 Digital Outputs |
| Rated Load Voltage | 24 V DC |
| Input Characteristic | Type 1 (IEC 61131-2) |
| Output Current | 0.5 A per channel (max 4 A per group) |
| Front Connector | 40-pin (ordered separately) |
| Dimensions | 40 mm x 125 mm x 120 mm |
Field Application and Wiring Configurations
Where do automation engineers typically mount this card? On a recent packaging line retrofit, we utilized the 6ES7323-1BL00-0AA0 to handle local proximity sensors and small 24 V solenoids simultaneously. Combining inputs and outputs on one card slashes backplane overhead—though you must carefully manage the thermal load inside the enclosure.
[ 40-Pin Front Connector ]
Pins 1-20: Input Group (Bytes X)
- Pin 1: +24 V DC Supply (L+)
- Pins 2-9: Input Channels 0.0 - 0.7
- Pin 20: Mass / Ground (M)
Pins 21-40: Output Group (Bytes Y)
- Pin 21: +24 V DC Supply (L+)
- Pins 22-29: Output Channels 0.0 - 0.7
- Pin 40: Mass / Ground (M) Don’t underestimate the importance of the 40-pin connector layout. The inputs and outputs are isolated into distinct electrical groups. Well, technically the outputs support up to 0.5 A each, but only if the total group current stays under 4 A. If your inductive loads lack external surge suppression diodes, the internal electronic short-circuit protection might trigger prematurely, causing the channel status LED to turn off entirely. If you encounter intermittent signal losses, double-check the terminal arm—the third wire from the bottom on the left row is notoriously easy to pinch during final assembly.
International Trade and Customs Compliance
Moving high-density I/O modules across international borders requires rigorous compliance with export regimes. The export control classification number (ECCN) for this module is EAR99, making it eligible for shipment to most global destinations without an explicit Department of Commerce export license, provided standard denied-party screening is clear.
Our logistics operations routinely utilize EXW (Ex Works), FCA (Free Carrier), and CPT (Carriage Paid To) Incoterms. For emergency production stoppages, routing via DHL Express or FedEx Priority gets the component to your facility within 48 to 72 hours. We supply comprehensive export documentation—including a clean commercial invoice, detailed packing lists with precise metric weights, and the correct harmonized tariff classification (HS Code: 85389091) to guarantee smooth import customs clearance. For major cross-border procurement orders, we support verified Letters of Credit (L/C) or secure wire transfers (T/T).
Frequently Asked Questions
Can I use a 20-pin front connector with the 6ES7323-1BL00-0AA0?
No. Because of the high density of this 32-channel card, it strictly requires a 40-pin front connector (such as 6ES7392-1AM00-0AA0). A 20-pin connector will not fit the physical housing profile.
Are the input and output sections isolated from each other?
Yes, the input and output channels are galvanically isolated from the backplane bus and separated into distinct electrical groups. However, channels within the same 8-bit byte share a common ground reference.
