SIEMENS 6ES7322-1HH01-0AA0 SIMATIC S7-300, Digital Output SM 322:

SIMATIC S7-300, Digital output SM 322, Isolated 16 DO, relay contacts, 1x 20-pole

The 6ES7322-1HH01-0AA0 is a digital output module from Siemens' SIMATIC S7-300 series, part of the SM 322 family. Designed for reliable actuator control in industrial automation, this module features 16 isolated digital output channels with 24V DC transistor outputs. 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 40-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 322 Digital Output Module

Output Channels: 16 digital outputs (24V DC, transistor type)

Output Type: Isolated transistor outputs (sink/source configurable)

Voltage/Current: 24 V DC, 0.5 A per channel (max. 4 A per group)

Isolation: Channel-to-channel and channel-to-backplane isolation

Power Supply: 24 V DC (backplane-powered)

Power Loss: 3 W (typical)

Diagnostic Features: LED indicators for channel status and faults, diagnostic interrupts

Configuration: STEP 7 software for parameterization (output type, data format)

Connection: 40-pin front connector, shielded cables (max. 320 m @ 125 kHz)

Environmental: -20°C to 60°C operating temperature, RoHS compliant

Physical Dimensions: 40 mm (W) × 125 mm (H) × 120 mm (D), 235 g weight

Protection: IP20 rating, overcurrent and short-circuit protection

Compliance: CE, UL, and RoHS standards

Application Areas: Industrial automation, discrete manufacturing, and actuator control requiring high-channel-density outputs.

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