Firmware 03.00 - DMS EN 5.0 - 07/2009
L
113
8400 BaseLine D | Software Manual
I/O terminals
Analog input
6.1.1
Terminal assignment/electrical data
Terminal
Use
Electrical data
X4/A1U
Voltage input /
Current input
Level: • 0 ... + 10 V DC
• 0 ... + 5 V DC (0 ... + 20 mA)
*)
• 1 ... + 5 V DC (+ 4 ... + 20 mA)
*)
Load resistor
*)
: R
B
= 250
Ω
According to the above graphics,
a load resistor must be connected
to current signals 0/+4 ... 20 mA.
Resolution: 10 Bit
(Error: 1 digit
≡
0.1 %, related to
the actual value)
Scaling: When
= "0":
± 10 V
≡
± 2
14
≡ 16384
≡
±100 %
Conversion rate: 1 kHz
In order to filter out short-term
interferences from the analog
signal characteristic, the analog
input value is filtered with a
digital lag filter with a time
constant equal to 5 ms.
Input resistance > 80 k
Ω
for VDC
250
Ω
for mADC
Input voltage in case
of open circuit
Display 0 (U < 0.05 V, absolute)
Sampling frequency
(processing cycle)
1 kHz (1 ms)
Accuracy ± 0.1 V
Electric strength of
external voltage
± 15 V, permanent
X4/GND
GND, reference potential of analog signals
X4
GND
A1U
AR
12I
RFR
DI1
DI2
DI3
DI4
24E
DO1
R
B