SIEMENS 6ES7323-1BH01-0AA0 SIMATIC S7-300, Digital module SM 323 :

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.

Technical Specifications:

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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