RS-232 to RS-485 converter with Din rail mount, auto tuning function, and auto switching baud rate. Supports maximum of 256 devices in a single RS-485 network without using a repeater. Supports operating temperatures between -25°C to 75°C (-13°F ~ 167°F).

I-7520 - RS-232 to RS-485 Converter with Din Rail Mount, Isolation site RS-232

RS-232 to RS-485 converter with Din rail mount, auto tuning function, and auto switching baud rate. Supports maximum of 256 devices in a single RS-485 network without using a repeater. Supports operating temperatures between -25°C to 75°C (-13°F ~ 167°F).

  Price:  $109.00  

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Features

Application Image I-7520

The I-7520 is an RS-232 to RS-485 Converter with auto tuning function, auto switching baud rate, and is made of fire retardant materials. Most industrial computer systems provide standard RS-232 serial ports. Though widely accepted, RS-232 has limited transmission speed, communication range, and networking capabilities. The RS-485 standard overcome these limitations by using differential voltage lines for data and control signals, which converts RS-232 signals into isolated RS-485 signals with no need to change any hardware or software. The I-7520 lets you easily build an industrial grade, long-distance communication system using standard PC hardware.

The design of the isolation between the I-7520 and the I-7520R/AR is different. I-7520R/AR are for when users wants to supply power from the PLC/PC; Otherwise the isolation will be broken. Refer to the I-7000 bus converter manual for detailed information.

I-7520 PLC Networking

  • Input : RS-232 protocol to female 9 pin connector
  • Output : RS-485 protocol (two wire, D+, D-)
  • Speed : auto switching baud rate, 300 ~ 115200 bps
  • Internal "Self Tuner"
  • Maximum of 256 modules. in a single RS-485 network without using a repeater
  • Maximum of 2048 modules. in a single RS-485 network when using a repeater
  • Isolation voltage: 3000Vdc on the RS-232 side
  • Repeater request: 4,000 feet or over 256 modules
  • Auto Switching Baud Rate, 300~115200 bps
  • 3000 VDC Isolation Protection on the RS-485 side
  • Transmission Speed of up to 115200 bps
  • ESD Protection for the RS-232/422/485 Data Line
  • Power Input of +10 ~ +30 VDC
  • Supports Operating Temperatures from -25°C ~ +75°C
  • Din Rail Mount

Specifications

Interface

Serial Interface

RS-232

TxD, RxD, GND

RS-485

Data+, Data-

2-wire cabling/4-wire cabling

Belden 8941 (2P twisted-pair cable)/Belden 8942 (4P twisted-pair cable), if different cables are used, the transmission distance may change

Transfer Distance

Max. 1,200 m at 9.6 kbps; Max. 400 m at 115.2 kbps

Max. Devices Supported

256 (Without repeater)

Self-Tuner Asic Inside

Yes

Speed

300 ~ 115200 bps

ESD Protection

Yes

3000 VDC Isolated Voltage

On RS-232 side

Connection

RS-232

9-Pin Female D-Sub

RS-485

Removable 10-Pin Terminal Block

LED Indicators

Power/Communication

Yes

Power

Input Voltage Range

+10 VDC ~ +30 VDC (Non-isolated)

Power Consumption

1.2 W

Mechanical

Casing

Plastic

Flammability

Fire Retardant Materials (UL94-V0 Level)

Dimensions (W x H x D)

72 mm x 118 mm x 35 mm

Installation

DIN-Rail

Environment

Operating Temperature

-25°C ~ +75°C

Storage Temperature

-30°C ~ +75°C

Humidity

10 ~ 90% RH, non-condensing

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Customer Reviews


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Reviewed on 03-24-2016 at 12:37 PM

Brandon - starstarstarstarstar 5 / 5

We're referred by our customer for this great product. It is easy to set up and reliable. Very cost-effective compared with other vendors.

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