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ELK-RDIOxxxS Series RS-232 modules easily add digital and analog I/O to industrial computers and legacy PLC systems via commonly used serial ports. Industry-standard Modbus RTU protocol is supported and the modules are compatible with third-party Modbus software. The software drivers and utilities make installation and operation easy using Windows 2000, XP and Vista operating systems.
RS-232(Modbus TCP) to Digital I/O
Ports
RS-232 Modbus RTU Interface to 16 Isolated Inputs / 16 Reed Relay Outputs
16/16
ELK-RDIO410S
RS-232 Modbus RTU Interface to 16 Isolated Inputs / 8 Form C Relay Outputs
16/8
 ELK-RDIO420S
RS-232 Modbus RTU Interface to 32 Optically Isolated Inputs
32
 ELK-RDIO430S
RS-232 Modbus RTU Interface to 32 Reed Relay Outputs
32
 ELK-RDIO440S
RS-232 Modbus RTU Interface to 16 Form C Relay Outputs
16
 ELK-RDIO450S
RS-232 Modbus RTU Interface to 96 Channel TTL Digital Interface
96
 ELK-RDIO462S
RS-232 Modbus RTU Interface to 96 Channel TTL Digital Interface
96
 ELK-RDIO463S
RS-232 Modbus RTU Interface to 16 A/D, 2 D/A, 8 24V Outputs, 8 Isolated Inputs Multifunction 16/2/8/8 ELK-RDIO470S
RS-232 Modbus RTU Interface to 8 Isolated Inputs / 8 High-Current Form C Relay Outputs
8/8
 ELK-RDIO520S