Logicbus I-7520R RS232 to RS485 Industrial Converter User Guide
- October 27, 2023
- Logicbus
Table of Contents
I-7520R
RS-232 to RS-485 Converter (For PLC use only)
Quick Start Guide 
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
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.
Pin Assignment For type 1 and type2:
Pin Assignment For type3:
Product Website: http://www.icpdas-usa.com/i_7520r.html
ventas@logicbus.com
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References
- Data Acquisition (DAQ), Embedded Control, and Industrial Communication Products | ICP DAS USA, Inc.
- I-7520R | RS-232 to RS-485, Isolation site RS-485
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