Overview
The SMC D-H7PW is a solid state auto switch designed for position detection on pneumatic cylinders and actuators. This D-H7PW model features 2-color LED indication for visual diagnostics, making it ideal for industrial automation and pneumatic control applications. The switch operates across a DC5-24V range with 3-wire PNP output configuration, delivering reliable switching performance in demanding environments.
Key Features
- Solid state switching with no moving contacts for superior reliability
- 2-color indicator (red/green) for diagnostic status display
- PNP output configuration with 3-wire connection
- Wide operating voltage range: DC 5–24V
- Band-mount design for direct cylinder attachment
- Comes with 0.5m (50cm) pre-wired oilproof heavy-duty lead wire
- Normally Open (NO) switch operation
Technical Specifications
- Model: D-H7PW
- Supply Voltage: DC 5–24V
- Output Type: PNP (3-wire)
- Switching Function: Normally Open (NO)
- Indication: 2-Color LED (Red/Green)
- Mounting Style: Band Mount (Grommet Entry)
- Lead Wire: Oilproof vinyl heavy insulation, ø4mm, 0.5m length, flying leads (bare end)
- Environmental Rating: Suitable for oily/contaminated environments
- Switch Type: Magnetic Reed Switch / Solid State
Typical Applications
The SMC D-H7PW is commonly used in:
- Pneumatic cylinder position detection
- Automated assembly and manufacturing equipment
- Air gripper and actuator control
- Process automation and machine control systems
- Industrial machinery requiring compact position sensors
- Food, beverage, and packaging equipment
Compatibility & Replacements
Compatible With
- SMC pneumatic cylinders and actuators
- Standard PLC and controller inputs (24VDC signal compatible)
- Industrial automation control systems
- Machine vision and robotics systems
- Band-mount sensor interface standards
Replaces / Drop-In Replacement For
The SMC D-H7PW is a direct replacement for earlier D-H7PW units and compatible auto-switch variants in the D-H7 series. For specific model cross-references or drop-in replacements for competing brands, verify compatibility with your system integrator before ordering.
Works With
- SMC pneumatic control systems and manifolds
- PLC and PAC input modules (24VDC signal logic)
- Relay and contactor circuits
- Industrial control networks requiring discrete position feedback
- Band-mount pneumatic sensor ecosystems
