Panasonic ST4-A1-J1V Type 4 Safety Beam Sensor

Technical Overview

Type 4 safety beam sensor with 0.1-15m range, IP67, -10 to 55°C operation, 9mm object detection, and 1m cable.

Key Features

Compact Type 4 Safety Beam Sensor.
Thrubeam, Transmitter-Receiver set.
Sensing Range: 0.1 to 15 m.
IP67 degree of protection.
Integrated beam interruption indicator for alignment and operation confirmation.
Emission amount adjuster to prevent interference.
Operating temperature range of -10 to 55 °C.
Supports connection of up to six sensor heads to one controller.
RoHS Compliant.
Smallest detectable object: 9mm diameter.
Uses Infrared LED as light source.
Cable length: 1m.
Minimum supply voltage: 24 VDC.

Technical Specification Matrix

Parameter	Value
Series	ST4
Type	Safety Beam w/ Emission Amount Adjuster, Pigtailed
Sensing Range	0.1 to 15 m
Current Rating (Emitter)	11 mA
Current Rating (Receiver)	9 mA
Indicator Type	LED (Beam interruption indicator)
IP Rating	IP67
Operating Temperature Range	-10 to 55 °C
Relative Humidity	30 to 85 %
Terminal Type	Cable
Mounting Style	Bracket Mount
Enclosure Material	PBT
Lens Material	Acrylic
Indicator Cover Material	Acrylic
Cable Length	1 m
Standards Met	UL/C-UL, CE, TUV, OSHA, ANSI, EMC Directive, RoHS, Machinery Directive
Light Source	Infrared LED
Smallest Detectable Object (diameter)	9mm
Safety Category	Category 4
Supply Voltage - Min	24 VDC
Physical Weight (kg)	0.1
Dimensions L x W x H (cm)	3.37 x 2.8 x 1.4

Industrial Applications

1. Machine Guarding for Large Industrial Presses

This sensor can be strategically deployed around large industrial presses or heavy machinery with extensive access points. Its 15m sensing range effectively covers substantial areas, while the Type 4 safety rating ensures high reliability for protecting personnel. The compact dimensions allow for unobtrusive integration into confined spaces or along machine perimeters, and the IP67 rating provides durability in environments with cutting fluids or dust.

Problem Solved

Prevents accidental entry into hazardous zones of large machinery by establishing a reliable safety barrier, immediately halting machine operation upon beam interruption to protect operators.

Safety category 415m sensing rangeIP67Compact designMachine guardingPersonnel protection

2. Automated Material Handling System Access Control

In automated warehouses or manufacturing lines that use AGVs/AMRs or conveyor systems, this safety sensor can define safe zones around loading/unloading stations or intersections. Its ability to detect objects as small as 9mm allows for precise intrusion detection, and the 15m range is suitable for spanning wide conveyor belts or access aisles. The IP67 rating offers resilience against dust and minor spills common in such environments.

Problem Solved

Ensures human operators or foreign objects do not enter the path of automated vehicles or material flows, preventing collisions and potential injuries, especially critical in zones with varied object sizes.

Automated guided vehicles (AGV)Automated material handlingAccess control9mm object detection15m sensing rangeIP67

3. Outdoor Perimeter Security for Industrial Facilities

Given its robust IP67 rating and a wide operating temperature range of -10 to 55 °C, this sensor is well-suited for outdoor perimeter detection at industrial sites, gates, or sensitive areas. The 15m sensing range allows for efficient coverage of significant segments of a perimeter. Its single-beam design makes it less prone to false alarms from small environmental factors, while still providing a critical point of detection for security.

Problem Solved

Detects unauthorized entry into restricted industrial outdoor areas by sensing a break in the infrared beam, triggering alarms or security responses, even under challenging weather conditions.

Perimeter securityOutdoor applicationIP67-10 to 55 °C operating temperature15m sensing rangeIntrusion detection