USER HANDBOOK 1.2 | ECC DIO / ECC AIO
Berghof Automation GmbH | Harretstrasse 1 | 72800 Eningen | www.berghof.com
250000600_ECC-DIO-AIO_Anwenderhandbuch_EN.docx
33
Operating modes for the analogue outputs
Operating mode: voltage output AO (U)
Feature
Value
Description
Signal range
0 to 10 V
–
Connections per output
–
AO (U) and AGND; connect screening to AGND.
Screening used alongside AI channels.
Load impedance
> 1
kΩ
–
Output impedance in
signal range
< 1 Ω
for active output
Output current
Max. 10 mA
–
Max. errors at 25 °C
±0.5 % (±50 mV)
–
Temperature
coefficient
±40 ppm/K
(±0.4 mV/K)
–
Value of least
significant bit (LSB)
±244 ppm (±2.44 mV)
–
Digital resolution
12 bit
–
Data format in the user
program
32 bit real
(floating-point number) in millivolts (mV)
Dynamic characteristics
Build-up time for
change in full range to
95% of final value
320 µs
–
Overshooting
0.1% of measuring
range
–
Greatest temporary
deviation during
electrical error testing
according to
IEC 61131-2
0.5% of measuring
range
–
If a voltage source greater than 30 V is connected to the analogue outputs due to a wiring error, this can lead
to a defect in the channels.
