RS-232 to RS-422, RS-485 DIN Rail Mount Serial Interface Converter

Part: 1104   Model: DIN485+

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The 1104 DIN rail mountable serial interface converter allows a standard RS-232 port to communicate with an individual RS-422 device or with multiple devices within an RS-485 network. Support is provided for RS-422 full duplex mode as well as RS-485 full or half duplex master and slave modes. Autobaud, Send Data, and RTS modes are supported, offering maximum flexibility to all of your application requirements. Connection to external devices is provided by a six position screw terminal block.

To simplify installation and configuration, a printed copy of the Interface Converter QuickStart Guide is included with all DIN rail mountable interface converter orders.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.

Additional information


4.3 (L) x 0.9 (W) x 3.0 (H)

Electrical Interface

RS-232, RS-422, RS-485

Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Host Interface(s)


Max Data Distance

4000 feet

Max Data Rate

115.2K bps

Operating Temperature

0°C to 70°C (32°F to 158°F)

# of Ports


Power Requirement

9-30 VDC

Serial Connector(s)

Screw Terminals

Storage Temperature

-50°C to 105°C (-58°F to 221°F)

DIN rail mount design
Configurable for RS-422 or RS-485
Data rates to 115.2K bps
Automatic RS-485 enable/disable
Easily accessible terminal block connections
DIN rail mountable DC power supply available (Item # PS101 @ 24V or PS102 @ 12V)

Windows Software

Software: SeaCOM - Windows

Linux Software

Software: SeaCOM - Linux


Datasheet: 1104


Manual: 1104


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