Envco – Environmental Equipment

ATT 300 can work with any current or voltage input of any transmitter : pressure, humidity, temperature, airflow, air velocity...

Technical data
• Power supply : 24 Vac/Vdc ±10% or 230 Vac ±10%, 50-60Hz
• 3 analogue imputs : 3 x 4-20 mA or 3 x 0-10 V
• 1 RS 232 digital input for KIMO external transmitter (Class 200 and 300)
• 1 RS 485 digital input/output (MODBUS protocol integrated)
• 22 pre-set units and 3 configurable units
• Configuration via software or remote control
• Housing : IP 63

Technical specifications
Power supply .............................24 Vac/Vdc ±10% or
230 Vac ±10%, 50-60Hz
Galvanic isolation ......................between input and power supply
Analogue inputs.........................3 x 4-20 mA (4 wires) or 3 x 0-10 V
Consumption..............................5 VA
Electro-magnetical compatibility .EN61 326
Electrical connection.................screw terminal block for cables of Ø1.5 mm² max
RS 485 communication .............digital : RTU Modbus protocol
communication speed configurable
from 2400 to 115200 Bauds
RS 232 communication .............digital : ASCII, proprietary protocol
Working temperature.................0 to 50°C
Storage temperature..................-10 to 70°C
Environment...............................air and neutral gases

Display features
Display..........................................electroluminescent alphanumeric (75 x 190 mm)
protection screen made of inactinic red PMMA
1st line (measurement).................5 digits (dot matrix 5x7) 50 x 190 mm
2nd line (unit).................................4 digits (14 segments) 13 x 45 mm
Comma position ..........................configurable 0 / 0,0 / 0,00 / 0,000
Measurement value.....................from -9,999 to 99,999 and from -9999 to 99999
Accuracy ......................................±0,1% of the measurement ±1 digit
Number of channels....................from 1 to 3 channels, alternatively (3 seconds)
Location of channels ..................with 3 red identified LED
Units available .............................22 pre-set units (see chart)
3 configurable units
Response time.............................< 1 sec.

Ordering information
ATT 300 Multi-channel Display for analog and digital sensors (specify 24 dc or 230 Vac)