https://cablematic.com/en/products/usb-module-with-8-digital-inputs-and-8-digital-outputs-irp-c29u-TI081/
USB Module with 8 digital inputs and 8 digital outputs (IRP-C29U)
- Directly through the USB port Power.
- When connecting the module to the USB port of the PC is configured in the control panel as an additional serial port.
- Supports ASCII and Modbus RTU protocols.
- Supports transmission ratesData 1.2 Kbps to 115.2 Kbps
- The 8 digital input channels can be used as counters (0 to 65535 or Dec. Hex. 0000 to FFFF).
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- Directly through the USB port Power.
- When connecting the module to the USB port of the PC is configured in the control panel as an additional serial port.
- Supports ASCII and Modbus RTU protocols.
- Supports transmission ratesData 1.2 Kbps to 115.2 Kbps
- The 8 digital input channels can be used as counters (0 to 65535 or Dec. Hex. 0000 to FFFF).
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More info
Device with USB connection interface has 8 opto-isolated digital inputs and 8 digital outputs. Each channel has a connection terminals and a LED status indicator channel. The input channels are equipped with an opto-isolation of up to 3750 Vms DC. Supports communication protocols Modbus ASCII and a full set of commands, dual watch-dog and auto-reset. The module canbe bi-directionally remote controlled by a PC interchangeably using the ASCII protocol or Modbus RTU.
Specs
- Directly through the USB port Power.
- When connecting the module to the USB port of the PC is configured in the control panel as an additional serial port.
- Supports ASCII and Modbus RTU protocols.
- Supports transmission ratesData 1.2 Kbps to 115.2 Kbps
- The 8 digital input channels can be used as counters (0 to 65535 or Dec. Hex. 0000 to FFFF).
- Optical isolation digital input signals up to 3750 Vrms.
- Dual Watchdog: in the firmware and traffic between your computer.
- Status LEDs for each input and output channels (total 16 LEDs).
- Supports DIN rail mountingor directly on the wall.
- It has dip-switch configuration and self-test.
- It has terminals for the realization of the input connections and digital output.
- Input logic level 0: ± 1 V (max).
- Input logic level 1: ± 4 V to ± 30 V.
- Input impedance 3 Kohm.
- Counter Input Frequency: 100 Hz
- Distance Maximum input: 500m.
- Maximum output voltage: ± 30 V.
- Maximum output current: 100 mA.
- Consumption: 1.2W
- Size: 151 x 75 x 26 mm.
- Weight: 400 g.
- Mounted on metal chassis black.
- Gross Weight: 400 g
- Number of packages: 1
Technical terms
- Impedance
- LED
- USB
- MicroUSB
- Mini USB
- Hz
- Communication Series
- USB 3.0
- Reversible USB Type-C
- DIN
- DIN Rail
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
