Modbus Organization

Product Name	Type	Connectivity	Product Description
SeaI/O-520	I/O Module	Modbus RTU, Modbus TCP/IP	The SeaI/O-520 offers 8 high-current SPDT Form C outputs and 8 optically isolated inputs. Connect to your host via Wireless 802.11b/g (Modbus TCP - 520W), Ethernet (Modbus TCP - 520E), USB (520U), RS232 (Modbus RTU - 520S), or RS485 (Modbus RTU - 520M). Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-520 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-470	I/O Module	Modbus RTU, Modbus TCP/IP	The SeaI/O-470 provides eight differential or 16 single-ended 12-bit A/D inputs, two 12-bit D/A outputs, 8 optically isolated inputs, and 8 open collector digital outputs. Connect to your host via Wireless 802.11b/g (Modbus TCP - 470W), Ethernet (Modbus TCP - 470E), USB (470U), RS232 (Modbus RTU - 470S), or RS485 (Modbus RTU - 470M). The A/D inputs are software selectable for 0-5V, 0-10V, +/-5V, and +/-10V ranges and each channel can be configured via hardware for measuring 4-20mA current loop. The inputs feature 5MHz bandwidth track/hold and 100ksps throughput rate. The two 12-bit D/A channels are jumper selectable for 0-5V and 0-10V output ranges. Additionally, the SeaI/O-470E module provides eight optically isolated inputs rated for 5-30VDC and feature 300V external isolation, while eight open collector outputs can sink up to 580mA - ideal for switching 24V devices commonly found in industrial environments.
SeaI/O-463	I/O Module	Modbus RTU, Modbus TCP/IP	SeaI/O-463 modules offer 96 bits of buffered drive TTL I/O via four internal industry standard 50-pin header connectors and connect to your host via Wireless 802.11b/g (Modbus TCP - 463W), Ethernet (Modbus TCP - 463E), USB (463U), RS232 (Modbus RTU - 463S), or RS485 (Modbus RTU - 463M). The interface module addresses the 96 channels of I/O as 12 eight-bit ports, each programmable as input or output. Using standard 50-pin IDC ribbon cables, connect up to four industry standard relay racks for PC based control and automation of equipment including sensors, switches, security control systems, and other industrial automation systems. Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-463 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-462	I/O Module	Modbus RTU, Modbus TCP/IP	SeaI/O-462 modules provide 96 bits of buffered drive TTL I/O, perfect for driving industry-standard solid-state relay (SSR) racks. Connect to your host via Wireless 802.11b/g (Modbus TCP - 462W), Ethernet (Modbus TCP - 462E), USB (462U), RS232 (Modbus RTU - 462S), or RS485 (Modbus RTU - 462M).). Each DB-78 connector brings out 48 I/O bits addressable as six, eight bit ports. For easy connection to relay racks, Sealevel offers a six-foot cable (Item# CA237) that terminates each DB-78 connector to two industry standard 50-pin IDC connectors. Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-462 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-450	I/O Module	Modbus RTU, Modbus TCP	SeaI/O-450 modules provide 16 channels of highly reliable SPDT Form C relay outputs rated for up to 60VDC @ 2A and connect to your host via Wireless 802.11b/g (Modbus TCP - 450W), Ethernet (Modbus TCP - 450E), USB (450U), RS232 (Modbus RTU - 450S), or RS485 (Modbus RTU - 450M). Each output offers normally open and normally closed contact connections via 3.5mm field removable terminal blocks. Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-450 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-440	I/O Module	Modbus RTU, Modbus TCP/IP	SeaI/O-440 modules provide 32 SPST Form A dry contact Reed relays and connect to your host via Wireless 802.11b/g (Modbus TCP - 440W), Ethernet (Modbus TCP - 440E), USB (440U), RS232 (Modbus RTU - 440S), or RS485 (Modbus RTU - 440M). Reed relays offer long life performance and fast response time. Convenient removable 3.5mm screw terminals compatible with 16-30AWG wiring allow reliable connection to real-world I/O. Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-440 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-430	I/O Module	Modbus RTU, Modbus TCP/IP	SeaI/O-430 modules offer 32 optically isolated inputs with 300V external isolation and high channel-to-channel isolation. Connect to your host via Wireless 802.11b/g (Modbus TCP - 430W), Ethernet (Modbus TCP - 430E), USB (430U), RS232 (Modbus RTU - 430S), or RS485 (Modbus RTU - 430M). Ideal for low voltage monitoring applications, connection to real world signals is made via convenient 3.5mm removable screw terminal connectors. Communicate using industry standard Modbus/RTU or Modbus/TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-430 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-420	I/O Module	Modbus RTU, Modbus TCP/IP	SeaI/O-420 modules provide 16 optically isolated inputs and 8 SPDT Form C relay outputs and connect to your host via Wireless 802.11b/g (Modbus TCP - 420W), Ethernet (Modbus TCP - 420E), USB (420U), RS232 (Modbus RTU - 420S), or RS485 (Modbus RTU - 420M). Inputs can range from 5-24VDC and provide 300V isolation to ground. Each output offers normally open and normally closed contact connections via 3.5mm field removable terminal blocks. Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-420 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-410	I/O Module	Modbus RTU, Modbus TCP/IP	SeaI/O-410 modules provide 16 optically isolated inputs and 16 Reed relay outputs and connect to your host via Wireless 802.11b/g (Modbus TCP - 410W), Ethernet (Modbus TCP - 410E), USB (410U), RS232 (Modbus RTU - 410S), or RS485 (Modbus RTU - 410M). Inputs can range from 5-24VDC, while the Reed relays provide long life switch closures well suited to low current devices. Inputs and outputs are grouped in four-bit segments. Each group shares a common for easy wiring via removable 3.5mm terminal blocks. Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-410 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional modules can be added using convenient pass-through connectors.
SeaI/O-580	I/O Module	Modbus TCP	SeaI/O-580 modules feature 32 optically isolated, dry contact inputs that are controlled and monitored via any 10/100 BaseT Ethernet connection. Communicate with SeaI/O modules using industry standard Modbus protocol or use the Sealevel SeaMAX API software libraries from your application program. The SeaI/O-580E is powered from you 9-30VDC source, or select from a variety of power supply options. The SeaI/O-580PoE is a Class 0 (IEEE 802.3af-2003) Power over Ethernet device; power and data are transferred over a single CAT5 cable. Up to 246 additional expansion modules can be added using convenient pass-through connectors.
SeaI/O-570	I/O Module	Modbus RTU, Modbus TCP	The SeaI/O-570 features eight single-ended 16-bit analog inputs, eight optically isolated digital inputs and eight Form C relay outputs. Connect to a host devices via Wireless (802.11b/g), Ethernet (Modbus TCP), USB or RS-232. Communicate using industry standard Modbus RTU or Modbus TCP protocols or use the Sealevel SeaMAX software libraries from your application program. The SeaI/O-570 module is powered from your 9-30VDC source, or select from a variety of power supply options. Up to 246 additional expansion modules can be added using convenient pass-through connectors.
eI/O Ethernet & PoE Digital I/O Modules	I/O Module	Modbus TCP	eI/O Ethernet digital I/O modules are cost-effective and allow remote monitoring of digital I/O from anywhere on your 10/100BaseT Ethernet network. I/O options include optically isolated inputs, Reed and Form C relays.
Data Acquisition Modules, SeaI/O-530 & SeaI/O-540	I/O Module	Modbus, Modbus TCP	The SeaI/O-530 and SeaI/O-540 digital I/O modules offer a powerful selection of open-collector outputs and optically isolated inputs.
Relio R9 ARM9 Embedded RISC Computer	Controller	Modbus	Relio R9 is an application-ready platform for your next product design. The system is based on the 200MIPS Atmel AT91SAM9263 microcontroller boasting a 32-bit ARM instruction set for maximum performance.

News items about this company:

Sealevel's Compact Flat Panel Computer Includes Modbus Development Tools
The SeaPAC R9-7R combines a powerful RISC-based processor with a bright 7" TFT LCD to create a wide-temperature, ruggedized, flat panel computer. It ships with Sealevel's Modbus-SSD software suite, making it an ideal controller for distributed control and monitoring networks.
Click here for more information...

Compact Ethernet Digital I/O Modules Support PoE
Sealevel Systems, Inc. announces the new eI/O family of Ethernet digital I/O solutions. Communicate with eI/O modules using industry standard Modbus TCP protocol or Sealevel SeaMAX software.
Click here for more information...

Sealevel Systems Inc., announces additions to the popular SeaI/O family of modular I/O
The SeaI/O-530 and SeaI/O-540 digital I/O modules offer a powerful selection of open-collector outputs and optically isolated inputs. Options allow control from a host device via wireless, Modbus TCP, RS-485 (Modbus), USB, or RS-232.
Click here for more information...

Sealevel's New Relio R9RISC Embedded Computer: Unmatched I/O & Windows CE 6.0
The Relio R9 delivers RISC computing power in a compact, rugged package. The system is based on the Atmel AT91SAM9263? processor boasting a 32-bit ARM instruction set for maximum performance. The Relio R9 connects to Sealevel SeaI/O modules via the dedicated RS-485 expansion port and communicates via RS-485 Modbus RTU.
Click here for more information...