NOTICE!
Attention:
All I/O channels (digital and analog) are protected against reverse polarity,
reverse supply, short circuit and continuous overvoltage up to 30 V DC.
Technical data of the analog inputs
Parameter Value
Number of channels per module 4 individually configurable voltage or current
inputs
Distribution of channels into groups 1 (4 channels per group)
Resolution
Unipolar Voltage: 0 V...+5 V; 0 V...+10 V: 12 bits
Current 0 mA...20 mA; 4 mA...20 mA: 12 bits
Bipolar Voltage -2.5 V...+2.5 V; -5 V...+5 V: 11 bits plus
sign
Connection of the signals I0- to I3- Terminals 3, 6, 9, 12
Connection of the signals I0+ to I3+ Terminals 2, 5, 8, 11
Input type Differential
Galvanic isolation No galvanic isolation between the inputs and
the I/O bus
Common mode input range Signal voltage plus common mode voltage
must be within ±12 V
Indication of the input signals No
Channel input resistance Voltage: > 1 MW
Current: ca. 250 W
Conversion error of the analog values
caused by non-linearity, adjustment error
at factory and resolution within the normal
range
Typ. ±0.5 % of full scale (voltage)
±0.5 % of full scale (current 0
mA...20 mA)
±0.7 % of full scale (current 4
mA...20 mA)
at 25 °C
Max. ±2 % of full scale (all ranges)
at 0 °C...60 °C or EMC disturbance
Time constant of the input filter Voltage: 300 µs
Current: 300 µs
Relationship between input signal and hex
code
Ä
Chapter 1.6.2.1.1.8 “Measuring ranges”
on page 357
Analog to digital conversion time Typ. 500 µs per channel
Unused inputs Can be left open and should be configured as
"unused"
Input data length 8 bytes
Overvoltage protection Yes, up to 30 V DC only for voltage input
I/O modules > Analog I/O modules
2022/01/31 3ADR010278, 3, en_US 359
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