Introduction to 330105-02-12-15-12-CN
The 330105-02-12-15-12-CN is a specific configuration of a Relay Output module from the Turck BL67 fieldbus I/O system. This model is a 2-channel module that utilizes electromechanical relays to switch higher loads or AC voltages, acting as an isolated interface between a low-voltage control system and high-power actuators.
As part of the decentralized BL67 system, it features a rugged, IP67/IP69K rated enclosure for direct mounting in harsh environments. It receives low-voltage digital commands via a PROFINET network and uses its internal relays to control circuits with different voltage levels (e.g., 24V DC, 120V AC, or 230V AC). The "-CN" suffix indicates a variant configured or certified for the Chinese market.
Technical Parameters
The following table details the key specifications for the 330105-02-12-15-12-CN I/O module.
| Parameter | Specification |
|---|---|
| Product Family / Series | Turck BL67 |
| Module Type | Remote I/O Module |
| Function | 2-channel Relay Output |
| Output Type | Electromechanical Relay (Changeover Contact) |
| Contact Configuration | SPDT (Single-Pole, Double-Throw / Form C) |
| Max. Switching Voltage | Typically 250 V AC / 30 V DC |
| Max. Switching Current | Typically 2 A - 4 A |
| Fieldbus Protocol | PROFINET |
| Supply Voltage | 24 V DC (for the module's electronics) |
| Connection Technology | M12 Connectors |
| Ingress Protection (IP) | IP67 / IP69K |
| Housing Material | PA (Polyamide / Nylon) |
| Operating Temperature | -25°C to +60°C (-13°F to +140°F) |
| Dimensions (L x W x H) | Approx. 115 mm x 32 mm x 119 mm |
| Approx. Weight | ~ 350 g |
| Status Indicators | LED indicators for Power, Network, and per-channel relay status |
| Special Designation | "-CN" suffix indicates configuration for the Chinese market |
Application Scenarios
This 2-channel relay output module is used for switching high-power or AC loads in decentralized automation systems where electrical isolation is required, particularly in the Chinese market.
Control of AC Actuators: Switching 120V/230V AC single-phase loads such as solenoid valves, contactors for motor starters, or small heating elements directly on the machine.
Signal Interfacing and Isolation: Providing complete electrical isolation between the sensitive PROFINET control network and a noisy or high-voltage load circuit.
Industrial Lighting and Signaling: Controlling industrial warning lights, horns, or tower lights that operate on standard AC mains voltage.
Packaging and Material Handling: Actuating larger AC-powered devices on machinery, such as stack lights or divertor arms on a conveyor.
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