DM – Data Acquisition and Control Modules

The Data Acquisition and Control Module – DM provides a digital systems interface with any analog or electromechanical equipment that does not have a serial port and needs to be supervised or controlled. Three versions are available, each version with options of 8, 16, and 24 inputs/outputs:

DM – 1 for the supervision of dry contact inputs;

DM – 2 for the supervision of analog signal inputs;

DM – 3 with output contacts for load switching.

Functions and Characteristics:

– Communication with a remote data acquisition and control system through the RS-485 serial interface, with Modbus RTU protocol (standard) or DNP3.0 (optional);

–    Remote monitoring of the status of dry contacts (alarms, trips, signalization, and contact actuation time-counting).

–    Remote measurement of analog signals (outputs of transducers, gas monitors, levels, etc.).

–    Remote activation of potential-free output contacts (on/off motors, lamps, etc.).

–    Up to 31 DM´s can be interconnected to the same communication network.

–    Communication distance up to 1,300 meters, measured between the extreme points of the network.

–    Digital and analog input circuits, output contacts, and RS-485 interface with galvanic insulation.

–     Interconnection of DM’s through a twisted pair cable or fibre optic cable using electro-optical converter.

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