I/O modules collect and transmit signals
A
Phoenix Contact product story
Edited by the Engineeringtalk editorial team
Jun 12, 2007
The ILB IB AI4 AO2 and ILB PB AI4 AO2 Inline Block I/O modules each have four analogue inputs and two analogue outputs.
The compact Inline Block I/O modules from Phoenix Contact are used wherever a limited number of I/O signals need to be cost-effectively collected and transmitted to a control system.
This line of products now offers an attractive solution for analogue signals: the ILB IB AI4 AO2 and ILB PB AI4 AO2 components for Interbus and Profibus, each with four analogue inputs and two analogue outputs.
These multifunctional modules can be used for any application.
The four inputs offer either the difference measured between analogue current and voltage signals, or the option of connecting resistance thermometers (RTD).
Additionally, current or voltage actuators can be connected to the two outputs.
The inputs are galvanically isolated and equipped with adjustable filter times to avoid interference from equalising currents.
The current inputs in these devices are protected against overload and the integrated sensor power supply offers short-circuit protection.
The optional RTD inputs can be connected in three or four-wire technology to minimise or eliminate conductor resistances during temperature measurement.
The analogue outputs support bipolar signals of more than 20mA.
The adjustable output behaviour safeguards the machine or system in the event of a bus reset.
All channels also come standard-equipped with shield connections.
This directly increases immunity to EMC interference in the system.
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