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The ASHE Series ADM series Modbus Interface Converter modules are a range of microcontroller based converters for Analog inputs and outputs and Digital inputs and outputs to RS485 Modbus RTU serial protocol.
These instruments find application in signal and data acquisition between sensors and host DCS. The instruments are available in compact DIN rail mount execution. The RS485 signal output can be offered in either Modbus RTU or Modbus TCP/IP protocols.
Various types of analog Input signals can be configured, which need to be pre-specified.
The instruments convert the digital and analog signals to a 16-bit digital format. The instruments are accurate to 0.1% full scale and have less than 0.01%/OC thermal drift. Data transmission is done at 19200 baud.
The ADM series converters are isolated between the power supply and the digital input to 1.5 KVAC which eliminates the effects of ground loops and allows the use of transmitter in industrial applications with noise-heavy environmental conditions.