Parameter Value
Resolution of the analog channels
Voltage -10 V...+10 V 12 bits plus sign
Current 0 mA...20 mA, 4 mA...20 mA 12 bits
LED displays 19 LEDs for signals and error messages
Internal power supply Through the I/O bus interface (I/O bus)
External power supply Via the terminals ZP and UP (process voltage
24 V DC)
Required terminal unit
TU515 or TU516
Ä
Chapter 1.5.2 “TU515,
TU516, TU541 and TU542 for I/O modules”
on page 126
Connections
For a detailed description of the mounting, disassembly and connection of the
module, please refer to the System Assembly, Construction and Connection
chapter
Ä
Chapter 2.6 “AC500 (Standard)” on page 971.
The modules are plugged on an I/O terminal unit
Ä
Chapter 1.5.2 “TU515, TU516, TU541 and
TU542 for I/O modules” on page 126. Properly position the modules and press until they lock
in place. The terminal units are mounted on a DIN rail or with 2 screws plus the additional
accessory for wall mounting (TA526
Ä
Chapter 1.8.2.6 “TA526 - Wall mounting accessory”
on page 902).
The connection of the I/O channels is carried out using the 40 terminals of the I/O terminal unit.
I/O modules can be replaced without re-wiring the terminal units.
The terminals 1.8 to 4.8 and 1.9 to 4.9 are electrically interconnected within the I/O terminal
units and have always the same assignment, independent of the inserted module:
Terminals 1.8 to 4.8: process voltage UP = +24 V DC
Terminals 1.9 to 4.9: process voltage ZP = 0 V DC
The assignment of the other terminals:
Terminals Signal Description
1.0 to 1.7 O0- to O7- Negative poles of the first 8
analog outputs
2.0 to 2.7 O0+ to O7+ Positive poles of the first 8
analog outputs
3.0 to 3.7 O8- to O15- Negative poles of the fol-
lowing 8 analog outputs
4.0 to 4.7 O8+ to O15+ Positive poles of the following
8 analog outputs
For the open-circuit detection (cut wire), each analog input channel is pulled up
to "plus" by a high-resistance resistor. If nothing is connected, the maximum
voltage will be read in then.
I/O modules > Analog I/O modules
2022/01/31 3ADR010278, 3, en_US 487
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