Description
BANNER SC22-3-C – Configurable Safety Controller for Multi-Device Machine Safety
The BANNER SC22-3-C is a compact, configurable safety controller designed to consolidate multiple safety functions—E‑Stops, safety interlocks, two‑hand controls, safety light curtains—into one reliable unit. From my experience, it’s a solid fit for small to mid-size machines where you want advanced logic without the complexity of a full safety PLC. The “-C” variant typically uses pluggable cage-clamp terminals, which seems to make panel service and replacement quicker in many cases.
Integrators often choose the SC22-3 when replacing networks of safety relays. One thing I appreciate is the intuitive configuration via PC software over USB—no ladder programming, just function blocks, muting, EDM, and clear status diagnostics. You might notice that this alone can reduce commissioning time and simplify CE/OSHA documentation on packaging lines, robotic cells, presses, and palletizers.
Company’s Order Placement Process and Guarantees
- Warranty: 365 days from delivery
- Lead time: 1 week if in stock; no more than 1 month at the latest
- Payment terms: 50% advance payment; full balance prior to delivery
- Express options: FedEx, UPS, DHL
Key Features
- Configurable safety logic – Set up E‑Stop, guard door, two‑hand control, muting/inhibit, and EDM through PC software.
- Up to 22 inputs – Supports safety and standard inputs, including dual‑channel circuits for Category 3/4 designs.
- 3 safety outputs (OSSD) – Solid‑state PNP safety outputs for stopping power to drives or contactors; typically independent channels.
- USB configuration – Fast commissioning and diagnostics without fieldbus complexity.
- Compact DIN‑rail format – Saves cabinet space and reduces wiring runs compared to multiple relays.
- High safety ratings – Designed for applications up to PL e / SIL 3 when properly implemented.
- -C terminal variant – Typically supplied with pluggable cage‑clamp terminals for easier maintenance.
Technical Specifications
| Brand / Model | BANNER Engineering / SC22-3-C |
| HS Code | 8537.10 (Boards, panels, consoles for electric control, ≤1000 V) |
| Power Requirements | 24 V DC nominal (typical industrial supply) |
| Dimensions & Weight | Compact DIN‑rail module; typically under 0.5 kg (refer to datasheet for exact outline) |
| Operating Temperature | 0 to +55 °C (typical for panel‑mounted safety controllers) |
| Signal Input/Output Types | Up to 22 inputs (incl. dual‑channel safety); 3 safety OSSD PNP outputs; auxiliary status outputs available |
| Communication Interfaces | USB (PC configuration and diagnostics) |
| Installation Method | DIN rail (EN 60715) inside an industrial control cabinet |
Related or Supporting Products
- BANNER SC26-2 – Newer safety controller family with more I/O options and expansion; good upgrade path when additional zones are needed.
- BANNER XS26-2 – Expandable base with plug-in I/O modules; useful when the machine grows beyond 22 inputs.
- BANNER EZ-SCREEN safety light curtains – Commonly paired for perimeter or point-of-operation guarding; muting and blanking supported in logic.
- BANNER SI-RF RFID safety switches – For guard doors where high tamper resistance is required.
- BANNER STB/E-Stop devices – Self-checking E‑Stops and enabling devices for Category 4 circuits.
- 24 V DC power supplies (industrial grade) – Stable, low-ripple supplies are recommended for safety controllers and sensors.
Installation & Maintenance
- Cabinet & mounting – Install on a 35 mm DIN rail inside an enclosure meeting IP/EMC requirements; allow airflow around the unit for heat dissipation.
- Wiring practices – Use correctly rated dual‑channel wiring for safety inputs; separate safety wiring from high-noise motor cables; maintain proper grounding.
- Power quality – Use a regulated 24 V DC supply; consider surge protection and UPS if mains conditions are unstable.
- Configuration – Program via USB using BANNER’s software; archive the project file and final wiring diagram in your machine’s documentation.
- Verification & validation – Perform functional safety tests after changes; check EDM, muting, and interlock behavior before production start-up.
- Routine maintenance – Periodically inspect terminal tightness, clean dust from the cabinet, review diagnostics logs, and update firmware when approved by your change control.
Quality & Certifications
- Conforms to EN ISO 13849‑1 up to PL e and IEC 61508/IEC 62061 up to SIL 3 (when applied per standard and manufacturer guidance)
- CE marked; cULus listed; RoHS compliant
- Manufacturer warranty: typically 1 year; we provide a 365‑day warranty on supply
A quick note from a recent user in packaging: “We replaced four safety relays with one SC22‑3, kept our two‑hand and door interlocks, and commissioning took half a day. Diagnostics over USB made the CE audit smoother than usual.”
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