Functionality
4 analog inputs, individually configurable for
● Not used (default setting)
● -2.5 V...+2.5 V
● -5 V...+5 V
● 0 V...+5 V
● 0 V...+10 V
● 0 mA...20 mA
● 4 mA...20 mA
Parameter Value
Resolution of the analog channels
Voltage bipolar (-2.5 V...+2.5 V; -5 V...+5 V) 11 bits plus sign
Voltage unipolar (0 V...5 V; 0 V...10 V) 12 bits
Current (0 mA...20 mA; 4 mA...20 mA) 12 bits
LED displays 2 LEDs for process voltage and error mes-
sages
Internal supply Via I/O bus
External supply Via the terminals L+ (process voltage 24
V DC) and M (0 V DC); the M terminal is
connected to the M terminal of the CPU via
the I/O bus
Connections
For a detailed description of the mounting, disassembly and connection of the
module, please refer to the System Assembly chapter
Ä
Chapter 2.5 “AC500-
eCo” on page 925.
The connection is carried out by using a removable 9-pin and 11-pin terminal block. These
terminal blocks differ in their connection system (spring terminals or screw terminals, cable
mounting from the front or from the side). The terminal blocks are not included in the module's
scope of delivery and must be ordered separately.
The following block diagram shows the internal construction of the analog inputs:
I/O modules > Analog I/O modules
2022/01/31 3ADR010278, 3, en_US 351
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