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RS-485 Full or Half Duplex Master and Slave Support
RS-485 Modes Supported include Auto Baud, RTS, Data Enable, and Always Enable
Selectable 120 Ohm Line Termination and 1K Pull up/pull Down Biasing
Onboard LEDS Illuminate for Transmit and Receive
Includes RTS Control Driver Software to Simplify RS485 Communications in Windows
The OMG-CONV-485 series has been discontinued. Please see the CAT-285 as a possible alternative or contact our Data Acquisition Engineering department.
The OMG-CONV-485 interface converter allows a standard RS-232 port to communicate with an individual RS-422 device or with multiple devices within an RS-485 network. The OMG-CONV-485 supports RS-422 full duplex mode as well as RS-485 full or half-duplex master and slave modes. This gives the user flexibility in configuring the device to meet their specific application needs. Onboard LED’s are included to indicate that the device is properly powered and also illuminate when the device is transmitting and receiving to assist in verifying acceptable communications. A six-position screw terminal block on the board provides connection to external devices. Provisions for strain relief are made within the case by a cable clamp/screw combination. This eliminates unwanted wire disconnects once the screw terminals are wired.
The OMG-CONV-485-ISO is an isolated version of the OMG-CONV-485. Isolation is important in installations where the equipment connected to the PC is either located far from the host system, or on a different power transformer circuit. Isolation on the OMG-CONV-485-ISO eliminates the effects of ground loop current, a commonly neglected and misunderstood phenomenon that leads to data errors and the destruction of communications equipment.
The Auto Baud feature allows
the device to operate without the
presence of RTS software. This
reduces system overhead and
allows the OMG-CONV-485 to
operate flawlessly regardless of
the operating system.
SPECIFICATIONS Number of Ports: 1 Max Data Rate: 115.2K Max Data Distance: up to 1219 m (4000') Operating Temperature: 0 to 50°C (32 to 122°F) Storage Temperature: -20 to 70°C (-4 to 158°F) Power: from AC adaptor Connector(s): DB25S (female) to 6 position screw terminal (TX± RX±,
ground and shield) Dimensions: 9.65 L x 5.84 W x 2.54 cm H (3.8 x 2.3 x 1.0")
† Tutti gli importi indicati in EUR Nota: All OMG-CONV-485 converters include RTS control software, and a complete user ‘s manual on CD ROM and an AC adaptor.
Manuali dei prodotti:
OMG-CONV-485-ISO - Isolated RS-232 to RS-422/485 Converter
OMG-CONV-485 - RS-232 to RS-422/485 Converter