The I/O module must not be used as communication interface module at CI590-
CS31-HA bus modules.
Functionality
2 analog outputs, individually configurable for
● Not used (default setting)
● -10 V...+10 V
● 0 mA...20 mA
● 4 mA...20 mA
Parameter Value
Resolution of the analog channels
Voltage bipolar (-10 V...+10 V) 11 bits plus sign
Current (0 mA...20 mA; 4 mA...20 mA) 12 bits
LED displays 2 LEDs for process voltage and error messages
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.
If the output is configured as not used, the voltage and current output signals
are undefined and must not be connected.
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 outputs:
I/O modules > Analog I/O modules
2022/01/313ADR010278, 3, en_US384
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