SentrOxy - Model aDO-60 -Optical DO-Sensor
Do you want to measure, control switching actuators directly at the measuring point, display the measured values locally and remotely in the control system, and ensure that this all works in parallel? The aDO-60 is your optical DO sensor solution with digital RS485, 2x 0/4-20mA, 2x digital I/Os and many helpful features
- All-in-one solution, with 2 digital interfaces, 2 analog interfaces and Sentro.IO, RS485 with MODBUS
- All installation examples from SentrOXY aDO-20 until SentrOXY aDo-50 are possible with this sensor
Connection Example 1:
In this example, the local output of the DO value in mg/L and the temperature value in °C takes place via the 2 analog interfaces. In parallel, a DO solenoid valve and a local alarm lamp are controlled via the 2 Dig.IO interfaces. You can directly control this local solenoid valve and, if you want, also control the alarm lamp, e.g. by your PLC/DCS. If this remote control is no longer available; for example, due to a cable break, the local hardware-control-unit of the aDO-Sensor takes over this task until an external control is available again. In parallel, the measurement & status values can be retrieved via the RS485 with MODBUS for the purpose of further processing and documentation. In addition, the optional software control unit can be used to control other actuators connected to the PLC. By using validated software control functions of the aDO sensor, programming and testing efforts can be saved.