Drive circuit

The recommended drive circuit is shown.

[Drive output 24V, max. 1.0 A]

F.G

1

2

With shield

TR1

 

 

D1

 

 

 

 

 

M-GND

+24V

 

7824

3

 

4

 

 

 

 

 

 

 

TR2

 

 

D2

 

 

 

 

 

5

M-GND

 

 

 

 

 

+5V

 

 

 

 

 

R1

 

6

TR3

 

 

 

 

 

 

 

 

R2

 

 

 

L1

Peripheral

unit 1

 

 

R3

L2

4.7kΩ

1/4W

 

Peripheral

 

unit 2

Compulsion

 

 

switch

Frame

 

ground

 

NOTES:

1.Peripheral units #1 and #2 cannot be driven simultaneously.

When driving a device continuously, do not use drive duty above 20%.

2.Compulsion switch status is available as status data.

3.Resistance for coils L1 and L2 is not less than 24 ohms.

4.Absolute maximum ratings for diodes D1 and D2 (at Ta=25˚C): Average rectified current Io = 1A

Maximum forward surge current (60Hz,1-cycle sine wave) IFSM=40A

5.Absolute maximum rating for transistors TR1 and TR2 (at Ta = 25˚C): Collector current Ic = 2A

– 18 –

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Star Micronics RS232 manual Drive circuit Recommended drive circuit is shown, Drive output 24V, max .0 a

RS232 specifications

Star Micronics RS232 is a versatile and widely used connectivity standard that enables seamless communication between peripheral devices and computers, particularly in point-of-sale (POS) environments. This technology is renowned for its robustness and reliability, making it a preferred choice for businesses in various sectors, including retail, hospitality, and healthcare.

One of the main features of Star Micronics RS232 is its ability to facilitate serial communication, allowing devices to exchange data one bit at a time over a single communication line. This enables simple and effective connections between devices like printers, cash registers, and barcode scanners. The standard typically operates at data rates ranging from 300 to 115200 bits per second, accommodating various application needs.

The RS232 interface is characterized by its 9-pin (DB9) or 25-pin (DB25) connectors, with the DB9 being the more commonly used in modern applications. It provides a straightforward plug-and-play experience, allowing devices to be easily connected and configured without extensive technical knowledge. This simplicity is particularly beneficial for retail staff who may not possess in-depth IT expertise.

Another significant aspect of RS232 technology is its point-to-point architecture. This means each connected device operates independently, enhancing overall system performance. Moreover, RS232 supports long-distance communication, with the ability to transmit data over cable lengths of up to 50 feet (15 meters), which is advantageous in larger retail settings.

In terms of compatibility, Star Micronics RS232 devices are designed to work seamlessly with various operating systems, including Windows, macOS, and Linux. This widespread compatibility ensures that businesses can continue to leverage their existing infrastructure without the need for costly upgrades.

Additionally, Star Micronics has incorporated advanced technologies into their RS232 products, such as built-in error checking and data control features. These enhancements help minimize data transmission errors and ensure that the information exchanged between devices remains accurate and reliable.

In summary, Star Micronics RS232 offers a robust set of features, including simple connectivity, point-to-point architecture, and compatibility with various systems. Its proven performance and reliability make it a trusted choice for businesses looking to enhance their operational efficiency and streamline their processes. As POS technology continues to evolve, the Star Micronics RS232 standard remains a foundational component for effective device communication.