6ES7323-1BH01-0AA0 SIEMENS SIMATIC S7-300, ANALOG INPUT SM 331
SIMATIC S7-300, Digital module SM 323, isolated, 8DI and 8DO, 24 V DC, 0.5 A Total current 2A, 1x 20-pole
The 6ES7323-1BH01-0AA0 is a digital input/output module from Siemens' SIMATIC S7-300 series, part of the SM 323 family. This module features 8 isolated digital input channels and 8 isolated digital output channels, all operating at 24V DC. It supports potential isolation to ensure signal integrity and reduce electromagnetic interference. The module is housed in a compact form factor (40 mm width) and connects via a 20-pin front connector, suitable for central or distributed configurations in control cabinets. It supports hot-swapping for seamless maintenance and includes diagnostic LEDs for channel status monitoring.
| Product Series | SIMATIC S7-300 SM 323 Digital I/O Module |
|---|---|
| Input/Output Channels | 8 digital inputs, 8 digital outputs (24V DC, isolated) |
| Isolation | Channel-to-channel and channel-to-backplane isolation |
| Power Supply | 24V DC (backplane-powered), sensor power output |
| Power Loss | 3W (typical) |
| Connection | 20-pin front connector, shielded cables (max. 320m @ 125kHz) |
| Diagnostic Features | LED indicators, module fault报警 |
| Configuration | STEP 7 software for parameterization (input/output type, data format) |
| Environmental | -20°C to 60°C operating temperature, RoHS compliant |
| Protection | IP20 rating, overcurrent and short-circuit protection |
| Physical Dimensions | 40mm (W) × 125mm (H) × 120mm (D), 235g weight |
| Application Areas | Industrial automation, sensor signal acquisition, actuator control, and discrete manufacturing processes. |
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