Logicbus I-7520R RS232 to RS485 Industrial Converter User Guide

October 27, 2023
Logicbus

Logicbus LOGO I-7520R
RS-232 to RS-485 Converter (For PLC use only)
Quick Start Guide Logicbus I 7520R RS232 to RS485 Industrial
Converter

Pin Assignment and Specifications

7520R: RS-232 to RS-485 Converter

  • Protocol: two-wire RS-485, (D+, D-), protocol
  • Connector: plug-in screw terminal block
  • Speed: ‘Self Tuner” inside, auto switching baud rate, from 300 to 115200 BPS
  • 256 modules max in one RS-485 network without repeater
  • 2048 modules max in one RS-485 network with repeater
  • Isolation voltage: 3000V
  • Isolation site: RS-485
  • Repeater request: 4,000 feet or over 256 modules
  • Power requirements: +10V dc – +30V dc
  • Power consumption: 0.05Aia24V; Max

Block Diagram

Logicbus I 7520R RS232 to RS485 Industrial Converter - FIGURE
1

Output Type

Selecting the I-7520A output type.
NOTE: The RS-422 and RS-485 output types couldn’t be used simultaneously, which means that you can only select 1 type to output.
Type 1: 1-channel RS-485 output.
Type 2: 1-channel RS-422 output.
Type 3: 2-channel RS-485 output. (Support star network)
RS4221485 Output Jumpers settings:
For type 1: Set the JP1 juniper to positions 2 and 3.
For type 2: Set the JP1 juniper to positions 2 and 3.
For type 3: Set the JP1 juniper to positions 1 and 2.

Logicbus I 7520R RS232 to RS485 Industrial Converter - FIGURE
2

Pin Assignment For type 1 and type2:

Logicbus I 7520R RS232 to RS485 Industrial Converter - FIGURE
3

Pin Assignment For type3:

Logicbus I 7520R RS232 to RS485 Industrial Converter - FIGURE
4

Logicbus I 7520R RS232 to RS485 Industrial Converter - FIGURE
5Logicbus I 7520R RS232 to RS485
Industrial Converter - FIGURE 6

Product Website: http://www.icpdas-usa.com/i_7520r.html

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References

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