RS-485 on each individual port. There are no internal jumpers or switches to set, so field installation and service is easy. The USB serial modules are powered from your 9-30VDC source or your choice from several Sealevel power supply options. For conveniently powering serial peripherals, the supplied power is fused and connected to pin 5 on each of the RJ45 serial connectors.
SeaI/O power requirements and power supply sizing. Communicating Via Modbus Commands Sealevel SeaI/O modules are designed to integrate seamlessly into existing Modbus networks. The supported command set will vary depending on the SeaI/O model used. While SeaI/O USB serial expansion modules do not require any Modbus commands to operate, they do pass through all Modbus RTU commands to other connected SeaI/O modules and Modbus compliant devices.
What’s Included All SeaI/O USB serial expansion modules are shipped with the following items. If any of these items is missing or damaged please contact Sealevel for replacement. SeaI/O USB Serial Expansion Module – (one of the following models) •...
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Power Supplies SeaI/O USB serial expansion modules are powered from your 9-30VDC source or from a variety of Sealevel power supply options. Refer to the Power Options chapter of this manual for power supply sizing considerations when powering multiple SeaI/O modules.
Power Options All SeaI/O modules are powered from a 9-30VDC source using either the DC jack or screw terminals on the side of the unit. Sealevel offers several power supply choices to make connection easy (see Accessories chapter at the end of this manual).
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SeaI/O-440N 5.4W Power Required In this application, the Sealevel Item# TR112 “wall wart” power supply is a good choice since it is low-cost and supplies 24VDC @ 250mA (6W). A complete listing of recommended power supplies is provided in the...
Only users running Windows 7 or newer should utilize these instructions for accessing and installing the appropriate driver via Sealevel’s website. If you are utilizing an operating system prior to Windows 7, please contact Sealevel by calling 864.843.4343 or emailing support@sealevel.com...
SeaI/O USB serial expansion modules can be connected to any spare USB port. Do not connect the SeaI/O module to the host until the software has been fully installed 1. Connect the SeaI/O USB serial expansion module to your 9-30VDC source or optional Sealevel power supply. Refer to the Power Options chapter of this manual for power requirements.
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Optional RJ45 to DB9 RS-232 Adapter Preconfigured for use with Sealevel USB RJ45-enabled serial adapters, the RJ45 to DB9 modular adapter (Item# RJ9P-232) converts the RJ45 RS-232 pin out to a DB9 male RS-232 serial port. Standard CAT5 patch cables can be used to extend the serial port up to 50 feet away from the RJ45 port.
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(included with 4xxE SeaI/O Ethernet modules). Can be used to connect SeaI/O RS-232 modules to both Sealevel and standard RS-232 serial ports (included with 4xxS SeaI/O RS-232 modules as part of p/n: KT119). Optionally, it can be used as an RS-485 interconnect cable to cascade additional SeaI/O modules via the RS-485 In/Out ports on the side of SeaI/O modules CA247 –...
If these steps do not solve your problem, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our technical support is free and available from 8:00 AM to 5:00 PM Eastern Time, Monday through Friday. For email support, contact support@sealevel.com.
If possible, please have the adapter installed in a computer ready to run diagnostics. Sealevel Systems provides an FAQ section on its web site. Please refer to this to answer many common questions. This section can be found at http://www.sealevel.com/faq.asp.
In the event of failure, Sealevel will repair or replace the product at Sealevel's sole discretion. Failures resulting from misapplication or misuse of the Product, failure to adhere to any specifications or instructions, or failure resulting from neglect, abuse, accidents, or acts of nature are not covered under this warranty.