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Modbus Organization

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Type:  I/O Module
Description:  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.
Connectivity:  Modbus RTU, Modbus TCP/IP
Features:  8 high-current SPDT Form C outputs and 8 optically isolated inputs; Status indicator LEDs for Communication, Fault, and Power; Input power via terminal block or modular connector; DIN rail or table mount.
Specifications:  Number of I/O: 8 Isolated Inputs / 8 High-Current Form C Outputs; Power Requirement: 9-30 VDC; Input Isolation: 300V; Input Range: 5-24 VDC; Contact Voltage: 60VDC max.; Contact Current: 6A max.; Contact Operate Time: 10ms max.; Contact Release Time: 5ms 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).