Sealevel Systems Inc., announces two additions to the popular SeaI/O family of modular I/O — the SeaI/O-530 and SeaI/O-540 digital I/O modules. Offering a powerful selection of open-collector outputs and optically isolated inputs, the modules are designed to interface to a variety of real-world I/O. Ordering options allow control from a host device via wireless, Ethernet (Modbus/TCP), RS-485 (Modbus), USB, or RS-232.
The SeaI/O-540’s 32 open-collector outputs are well-suited to controlling common industrial peripherals, and each output circuit includes a flyback diode for protection when interfacing highly inductive loads such as DC motors. The SeaI/O-530 combines 16 optically isolated inputs with 16 open collector outputs. The non-polarized inputs can monitor 5-30VDC and provide optical isolation to protect the host computer and other sensitive equipment from voltage transients and ground loops that are common in industrial environments. For connecting I/O, removable terminal blocks are standard on both modules, enabling fast, versatile field wiring.
Both SeaI/O modules are housed in a rugged, metal enclosure and are also available in board only versions, which allow easy integration into OEM systems. The modules feature a standard operating temperature range
of -25⁰C to 85⁰C and an extended temperature range -40⁰C to 85⁰C is available. Both the SeaI/O-530 and SeaI/O-540 are powered from your 9-30VDC source and you can select from a variety of Sealevel power supply options.
SeaI/O modules are perfect for a wide variety of applications and environments including process control, data acquisition, broadcast automation, security, and facility management. Multiple units of any I/O type can be easily daisy-chained together using convenient RJ-45 pass-through connectors or screw terminals. This expansion capability enables a distributed network to be controlled with even a traditional point-to-point USB or RS-232 host connection. For easy software integration, application programs or 3rd party software can use the Sealevel SeaMAX library or industry-standard Modbus protocol.
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