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EtherStax Ethernet I/O blocks, ES2151, ES2152

Type:  I/O Module
Description:  Rugged, high-density Ethernet I/O blocks for distributed I/O and SCADA applications
Connectivity:  Modbus TCP
Features:  The ES2151 and ES2152 Interface 16 DC current inputs 16 voltage inputs; either 16 current or voltage output signals to Ethernet devices or controllers; Ethernet-enable input signals from a rack of 8B signal conditioning modules through a DB25 port to monitor a wide variety of sensors including temperature, frequency, and load cells; DB25 output port to control 8B analog output modules; Peer-to-peer messaging; Fast, high-resolution 16-bit A/D and D/A scanning updates all channels in under 10mS
Specifications:  Dual network ports support 10/100Base-TX copper and 100Base-FX fiber-optic connections; Dual DC power terminals enable redundant power sources; Internal diode coupling delivers "bump-less" transfer to backup power; Failsafe relay provides alarm output on a power or link-loss failure; Hardware watchdog timer; I/O circuitry features over-temperature, over-voltage, and over-current protection -40 to 70C operating temperature; 8" x 7" footprint; High-strength aluminum enclosure gives IP20 protection with shock and vibration resistance; ES2151/ES2152 Spec. Sheet