User Guide

Control Block Terminals
20
QGH39563 02/2017
Analog Inputs
Characteristics
The table provides the characteristics of analog inputs of ATV312 and ATV320 devices
Analog Outputs
Characteristics
The table provides the characteristics of analog outputs of ATV312 and ATV320 devices
Analog Inputs Characteristics
ATV312 ATV320 ATV312 ATV320
AI1 AI1 Analog input 0 + 10 Vdc
 Impedance 30 kΩ
 Resolution: 10-bit converter
 Precision ± 4.3%, linearity ± 0.2%, of
max. value
 Sampling time 8 ms
Analog input 0 + 10 Vdc
 Impedance 30 kΩ
 Resolution: 10-bit converter
 Accuracy ± 0.5%, Linearity ± 0.2% of max.
value
 Sampling time 2 ms
AI2 AI2 Bipolar analog input 0 ± 10 VdcThe + or -
polarity of the voltage on AI2 affects the
direction of the setpoint and therefore the
direction of operation.
 Impedance 30 kΩ
 Resolution: 10-bits
 Precision ± 4.3%, linearity ± 0.2%, of
max. value
 Sampling time 8 ms
Bipolar analog input 0 ± 10 Vdc The + or - polarity
of the voltage on AI2 affects the direction of the
setpoint and therefore the direction of operation.
 Impedance 30 kΩ
 Resolution: 10-bits
 Accuracy ± 0.5%, Linearity ± 0.2% of max.
value
 Sampling time 2 ms
AI3 AI3 Analog input X - Y mA. X and Y can be
programmed 0...20 mA
 Impedance 250 Ω
 Resolution: 0.02 mA, 10-bit converter
 Precision ± 4.3%, linearity ± 0.2%, of
max. value
 Sampling time 8 ms
Analog input X - Y mA. X and Y can be
programmed from 0 to 20 mA
 Impedance 250 Ω
 Resolution: 10 bits
 Accuracy ± 0.5%, linearity ± 0.2%, of max.
value
 Sampling time 2 ms
Analog Outputs Characteristics
ATV312 ATV320 ATV312 ATV320
AOV or
AOC
AQ1
 AOV: Analog output 0 to 10 Vdc, min.
load impedance 470 Ω or
 AOC: Analog output X - Y mA. X and
Y can be programmed 0...20 mA,
max. load impedance 800 Ω
 Resolution 8 bits
 Precision ± 1%
 Linearity ± 0.2%
 Sampling time 8 ms
Analog output software-configurable for voltage or
current
 Voltage analog output 0...10 Vdc, minimum.
Minimum load impedance 470 Ω,
 Current analog output X-Y mA by programming
X and Y from 0...20 mA, maximum load
impedance 820 Ω
 Resolution 10 bits
 Accuracy: ± 1% for a temperature variation of
60 °C (140°F)
 Linearity ± 0.2%
 Maximum sampling time: 5 ± 1 ms