Therefore, devices such as the TLP2363 will most likely play a critical role in next-generation industrial systems where sensors can be communicated in real-time while providing protection to sensitive circuitry. Since industrial environments are especially noisy and dangerous for logic circuits, the use of opto-isolators cannot be understated.
HIGH SPEED OPTICAL ISOLATOR DRIVER
Ideal for use with single-ended or differential line driver encoder signals, the modules feature three complementary inputs. Image used courtesy of (PDF) ToshibaĪutomated designs are becoming more advanced with the integration of sensors and AI, which puts pressure on designers to create data links with higher data rates. J- AutomationDirect announces high-speed optical isolators providing the versatility to solve various interface problems between an incremental encoder signal and a PLC, servo drive, or other input devices. Packaging and pin assignment of the TLP2363. The TLP2363 is compliant with multiple safety standards including UL, cUL, VDE, and CQC and adheres to the IEC 61131-2 Type 1 specification. The TLP2363 is capable of operating at data rates of 10 Mbps and the TLP2363 operates over a temperature of -40☌ to +105☌. The inbuilt faraday cage allows the TLP2363 to be immune to common-mode transients of up to ☒0 kV/µs while also having an isolation voltage of 3750 Vrms. Two features that make the TLP2363 stand out from other isolators are the inbuilt faraday cage and its high-speed capability. It also has a maximum input threshold current of 2.4 mA. It has a wide supply voltage range of 2.7 V to 5.5 V, making it ideal for both 3.3 V and 5 V logic. Toshiba recently announced its latest device, the (PDF) TLP2363, an opto-isolator using an inverting logic circuit (open collector) and housed in an SO6 package. The phototransistor is used by the receiving circuit to read the digital data emitted in the form of light by the LED. While there are multiple methods for isolation, the most common type is the opto-isolator.Īn opto-isolator is a device that consists of an LED and a phototransistor whereby a noisy circuit turns the LED on and off to transmit digital data. This means that any sudden electrical surges on one side of an isolator cannot conduct to the receiving circuit. To protect against such problems, PLCs (or their I/O controllers) incorporating isolation circuits allows digital information to be transferred between two circuits while keeping them electrically isolated. As a result, PLCs like any other logic-based circuit will be particularly vulnerable to voltage spikes commonly found from ESD, switching circuits, and sensor noise. Most industrial processes are controlled by PLCs, which consist of a CPU, memory, I/O controllers, and other logical components. Importance of Isolation in Industrial Environments Why is Toshiba's new TLP2363 important and how does it affect automation? Opto-isolators vary in speed, size, and operating voltage, and choosing the right type is essential.
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