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Modbus Organization

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Type:  I/O Module
Description:  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.
Connectivity:  Modbus RTU, Modbus TCP/IP
Features:  32 SPST Form A Reed relays; 10VA output capability; Max contact voltage: 60VDC; Max contact current: 500mA; Removable screw terminals simplify field wiring; Input power via terminal block or modular connector; DIN rail mount or table mount.
Specifications:  Number of I/O: 32 Reed Relay Outputs; Power Requirement: 9-30 VDC; Contact Voltage: 60VDC max.; Contact Operate Time: 0.5ms max.; Contact Bounce Time: 0.5ms max.; Contact Release Time: 0.2ms max.; Operating Temperature: 0 - +70?C; Storage Temperature: -50? - +105?C; Humidity Range: 10 - 90% R.H.; Dimensions: 7.6" (L) x 5.2" (W) x 1.4" (H).