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Red Lion ICM5 3-Way Isolated RS232 and RS485 Serial Converter Module

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Specifications for this item
Number of Items
Overall Height
3-1/2  inches
Overall Width
125/128  inches
Part Number
Temperature Range
0/50  Degrees Celsius
Brand Name
Red Lion
Overall Length
3-11/32  inches

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Key Features

  • Allows communications between RS-232 control equipment and products with RS-422/RS-485 serial communications
  • 3 Way isolation protects serial equipment from ground loops (1000 VDC)
  • Automatic RS-485 driver control
  • Dip switch selectable baud rates 9600, 19200, 38400, 57600, 115200
  • Wide DC input power range (9 to 26 VDC)

Package Details

Shipping Weight: 0.3 pounds
Package Size: 5.6 x 5 x 1.3 inches

Product Description

The ICM5 Serial Converter Module provides the capability of interfacing equipment with RS-485 serial communications to equipment with RS-232 communications while providing three way isolation. Data format of the RS-232 and RS-485 equipment must be the same. The unit can be configured for full duplex (RS-422), or half duplex (RS-485) operation. In half duplex mode, the RS-485 driver is automatically enabled using the leading edge of the first character that is received on the RS-232 side. After the last character is received, the converter waits one character time (at the selected baud rate) to disable the RS-485 driver. An external DC power source (9 to 26 VDC) is required to power the ICM5. The external power source and RS-485 communications connections are made via a 7-position removable terminal block located on the front of the module. A modular RS-485 connector is also provided for fast and efficient connection to other Red Lion devices that use a modular connector. The RS-232 connection is provided via a standard D-SUB 9-pin male connector. The ICM5 can be configured for DTE or DCE operation, allowing the use of modem or null- modem cables. There are 3 LEDs that can be viewed from the front of the converter module. A green power LED indicates power is on, a red RS-232 TXD LED flashes when the module is transmitting, and a green RS-232 RXD LED flashes when the module is receiving. Power: 9 to 26 VDC 125 mA maximum. 85 mA typical power supply must be class 2 or SELV rated. CE approvals.

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