D7500 Modbus TCP/IP Ethernet Analog Output Module

The D7500 module contains two isolated analog output channels for controlling annunciators, valves of any device that requires an analog input control signal.  Each analog output utilizes a 12-bit analog to digital converter that can be programmed to output either a DC voltage or current.  There are four user-selectable output ranges: 0-10Vdc, +/-10Vdc, 0-20mA and +/-20mA.

The D7500 contains a user-programmable Initial Value for each channel and a communications Watchdog Timer. The Watchdog Timer can force the analog outputs to a known “safe” condition in the event of a communications failure.  The known “safe” condition can be programmed into the Initial Value register.  The Initial Value register also specifies the analog output signal for each channel on power-up.

The analog output data values are transmitted to the module in unsigned integer format using the Modbus TCP ethernet protocol.

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The D7500 analog output module can be mounted on a DIN-Rail using the MK-1 mounting kit.