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User manual -ADT42 – 23.06.2015 – v.1.3
page 5
Example of application with ADT42 module (silo weight measurement, weight platform)
2.2
Features
Signal measurement from four load cells
Result conversion into force in N or weight in g, kg, T, f
Read out of each channel separately or aggregate of all channels
Measurement filtering function
0-10V (ADT42-U) / (0)4-20mA (ADT42-I) output with calibration function
2 opt insulated inputs (general-purpose and tare)
2 transistor outputs with configurable thresholds
RS485 interface for communication with other devices in MODBUS-RTU protocol
USB connector for transducer configuration and measurement data acquisition
2.3
Description of connectors and diodes
Picture. 1 Connector and panel description
Nr
Description
Analog output 0-10V/ 4-20mA
1
GND
Ground of analog output
2
AOUT
0-10V / 4-20mA output
Opt insulated inputs
3
IN1
Input 1 (TARA)
4
IN2
Input 2 (M-TARA on/off, record)
5
COM
Ground of opt insulated input
RS485 MODBUS-RTU
6
A
7
B
Signal -
Transistor output
8
OUT1
Transistor output 1, max. 0,5A
9
OUT2
Transistor output 2, max. 0,5A
10
GND
Ground of outputs
Power supply
11
VDC+
Power supply 12-24 VDC
12
GND
Ground of power supply
Load cells inputs
13, 17, 21, 25
E+
Sensor power
14, 18, 22, 26
S+
Sensor
15, 19, 23, 27
S-
Sensor signal -
16, 20, 24, 28
E-
Sensor power supply -
Signaling diode description
PWR
– Module power supply signaling
COM
- RS485 / USB communication signaling
TARA
- IN1 input state (TARA)
OUT1/2
- ½ output state