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DAIDISIKE News & Insights

Latest updates on safety light curtains, LiDAR scanners, proximity switches and industrial safety solutions — curated for engineers and plant managers.

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WIRING • 2026-08-09

Emergency Stop & Safety Relay Wiring Diagram — the Complete Circuit

Terminal-level e-stop guide on published DA31 facts: why the button carries two NC contacts, the full relay-to-contactor loop with redundant K1/K2, series wiring for multi-station lines, SR/SRC reset modes, EDM feedback that catches a welded contactor, universal checkpoints for wiring brand relays, six real-world mistakes and the commissioning test — with 9 vector diagrams.

WIRING • 2026-08-09

MQ Essence Edition: Wiring & Integration Guide for the New Series

The integrator's view of the new MQ safety light curtain: optical sync with zero wires between transmitter and receiver (separate 24V supplies allowed), the wire-sync W variant's shared-supply rule, single-output NPN/PNP hookup in NC logic, ordering-code decoding, half-pitch blind zones and the L = beams × pitch + 57 mm housing math, anti-interference layout and the rod test.

PROCUREMENT • 2026-06-14

Schmersal SRB Safety Relay Alternatives — DAIDISIKE DA31

Cross-referencing Schmersal SRB safety relays (SRB-E, SRB200, PROTECT-SRB, SAFE 4.0) to the DAIDISIKE DA31 (PL e / SIL 3, 3NO+1NC, EDM, force-guided, <30 ms): match the safety function, input channels, output contacts and reset before you swap. Factory-direct, MOQ 1 set. With safety-relay EDM wiring and ISO 13849 architecture diagrams.

PROCUREMENT • 2026-06-14

Siemens SIRIUS 3SK Safety Relay Alternatives — DAIDISIKE DA31

How the DAIDISIKE DA31 maps onto Siemens SIRIUS 3SK1 / 3SK2 safety relays for E-stop, safety-gate and light-curtain monitoring — PL e / SIL 3, EDM, what to verify before swapping (and when a configurable controller fits instead). Factory-direct sourcing.

PROCUREMENT • 2026-06-14

ABB Jokab Safety Alternatives (Eden, Focus, Relays) — DAIDISIKE

Mapping ABB Jokab Eden non-contact interlocks, Focus light curtains and Pluto / RT safety relays to DAIDISIKE DX-R1 magnetic-coded switches, DQC / DQA Type 4 curtains and the DA31 relay — with an honest note that Pluto is a programmable safety-PLC class device, not a hardwired single-function relay.

PROCUREMENT • 2026-06-14

Safety Laser Scanner Alternatives (SICK, Omron, Keyence, Leuze) — DAIDISIKE DLD

An honest buyer's guide: how certified safety laser scanners (SICK microScan3/nanoScan3/S300, Omron OS32C, Keyence SZ-V, Leuze RSL) compare, and where the DAIDISIKE DLD-series LiDAR fits — obstacle avoidance & navigation for AGV/AMR — versus where a Type-3 certified safety scanner is still required for the safety-rated stop.

CASE STUDY • 2026-06-14

Palletizer / End-of-Line Muting Light Curtain — Application Case

A representative end-of-line palletizing cell: a DQC Type 4 light curtain guards the pallet exit with 4-sensor muting so full pallets pass while a person still stops the line — wired to a DA31 relay. Correct muting per IEC/TS 62046, ISO 13855 distance. With a muting-sequence flow diagram.

CASE STUDY • 2026-06-14

Mechanical Press Two-Hand Control + Light Curtain — Application Case

A representative power-press point-of-operation scenario: Type IIIC two-hand control (ISO 13851) for the operator plus a DQC Type 4 light curtain (ISO 13855) to protect others, wired through a DA31 relay — why two-hand control alone is not enough when others are nearby. With two-hand-control and press-safety-system diagrams.

DAIDISIKE Tech & Video Center

Wiring Guide, Safety Setup, and Maintenance Demos

We’ve put together these videos to help engineers and installers get things running. From wiring up OSSD and EDM to mounting light curtains on a press brake, we cover the real technical stuff. Whether you're troubleshooting faults or looking to swap out Omron, Keyence, or SICK sensors, you'll find the practical steps right here.

How to Wire Safety Light Curtains (OSSD & EDM)

A quick walk-through on hooking up dual-channel OSSD outputs. We show you how to handle the EDM feedback loop and connect NPN/PNP signals to your PLC or safety relay.

Setup: Press Brake & Power Press Guarding

Real-world demo showing Type 4 light curtains in action on a press brake. See how to integrate safety relays and keep the setup compliant with ISO 13855 standards.

Fixing EDM Faults & Alignment Issues

Stuck in a lockout? This video covers why EDM resets fail, how to read the LED fault codes, and tips for getting your beams perfectly aligned when things aren't triggering correctly.

Calculating & Mounting Safety Distance

Don't just guess the mounting spot. We show you how to apply ISO 13855 math in the shop to make sure nobody can reach the hazard before the machine hits a full stop.

Brand Swap: Replacing Omron, Keyence & SICK

Switching to DAIDISIKE? This guide helps you match up the height, resolution, and pin-outs so you can replace F3SG, SL-V, or deTec sensors without a headache.

AGV Safety & Perimeter Protection

See how to set up safety laser scanners for AGV/AMR paths. We show you how to define warning zones, protective fields, and speed-based zones for robotic areas.

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DAIDISIKE Tech & Video Center

Advanced Sensor Solutions for Industrial Safety and Automation

DAIDISIKE Corporate Profile

Discover our commitment to precision engineering and manufacturing.

Safety Interlock DX Series

Real-world application for advanced machine safeguarding.

AGV LiDAR DLD30T-5N 40

Enhanced perimeter security and collision prevention solutions.

Vehicle DQLV Light Curtains

Optimized for toll stations and weighbridges profiling.

Measuring DQL Series 3D

Dimensional measurement and object positioning principles.

DQC Universal Grating

Installation guide for hand & finger safeguarding.

Waterproof DQR Series

Performance under high-pressure washdowns.

Color Mark Sensors

Intelligent recognition for high-speed packaging lines.

Strip DK-D461 Sensors

Advanced background suppression for irregular shapes.

Area DQSA Protection

Cost-effective side safeguarding using mirror reflection.