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Modbus Organization

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ProSoft Technology Inc

Modbus Serial Port Expander, 5102-MBS3-MBM

Type:  Network Gateway
Description:  Designed to act as a multiplexer, allowing simultaneous connections from multiple Modbus masters to a single Modbus slave. A common use for the module is to have an HMI panel and a SCADA application all communicating to the same Modbus slave port of a Modicon processor.
Connectivity:  Modbus
Features:  Adds three additional slave ports for a Modbus-based device; Commands from the host devices are passed through the module and routed directly to the front port of the processor; Typical applications include SCADA software, local operator interface, and wireless concentrator for remote data collection; The serial port(s) on the gateway can be individually configured to support the Modbus protocol (RTU or ASCII, Baud rate, etc.)
Specifications:  Power Supply: 24 VDC nominal, 18 to 32 VDC allowed, Positive, Negative, GND, Terminals 2.5 mm screwdriver blade; Current Load: 500 mA max @ 32 VDC max; Operating Temp -4° F to 122° F (-20° C to 50° C); Storage Temp -40° F to 185° F (-40° C to 85° C); LED Indicators; Configuration Serial Port: DB-9M RS-232 only, no hardware handshaking; Ethernet Port (Ethernet modules only): 10Base-T half duplex, RJ45 Connector, Link and Activity LED indicators; Electrical Isolation: 1500 V RMS at 50 Hz to 60 Hz for 60 s, applied as specified in section 5.3.2 of IEC 60950: 1991; Ethernet Broadcast Storm Resiliency = less than or equal to 5000 [ARP] frames-per-second and less than or equal to 5 minutes duration; Application Ports: Modbus Plus Connector, Two DB9 Female Standard Modbus Plus connectors; Serial Port Isolation: 2500 V RMS port signal isolation per UL 1577 3000 VDC min. port to ground and port to logic power isolation