The Z-3AO module supplies 3 single-ended analog signals (voltage or current type).


Output protection against the overvoltage surge transients and short-circuits

Configuration of the module (node) address, baud-rate and output-type (voltage or current) by


It is possible to add/remove the module to/from RS485-bus without disconnecting the

communication or power supply

It is possible to switch automatically RS485 to RS232 or vice versa

It is possible to choose if each output is voltage or current type It is possible to change the electrical start/end scale between ± 10 V, 0-20 mA It’s possible to manage the electrical values (for each output) if the interval time of RS485-bus communication failure is greater than a configurable time (see Timeout register)

Response time: < 50 ms (step response, 10%-90%)

Accuracy Initial: 0.1% of Electrical End Scale (E.E.S.)

Linearity: 0.05% of E.E.S.

Calibration: 0.2% of E.E.S.

Thermal stability: 0.01%/°C

EMI: < 1%

Protection Protection against the overvoltage surge transients by transient suppressor (400W/ms); protection against the output short-circuits by internal series PTC Voltage-type OUT Bipolar with E.S.S./E.E.S.(Electrical Start/End Scale) configurable


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