CN0229 is a multichannel, flexible, analog output solution with only two analog components and meets most requirements for multichannel I/O cards, programmable logic controllers (PLCs), and distributed control systems (DCSs) applications. The circuit also contains key features for industrial applications, such as on-chip output fault detection, packet error checking (PEC) by the CRC, flexible power-up options, and ESD protection making it an ideal choice for robust industrial control systems.
The AD5750-2 is a single-channel, low cost, precision voltage/current output driver developed to meet the requirements of industrial process control applications. The voltage output range can be programmed for the standard output ranges for PLC and DCS applications: 0 V to 5 V, 0 V to 10 V, −5 V to +5 V, and −10 V to +10 V with a 20% overrange setting provided for the standard ranges. The current output, which is provided on a separate pin, can be programmed for the ranges of 4 mA to 20 mA, 0 mA to 20 mA, −20 mA to +20 mA, 0 mA to 24 mA, and −24 mA to +24 mA. The unipolar ranges have a 2% overrange setting.
The AD5686R is a quad 16-bit nanoDAC+ with rail-to-rail voltage-buffered outputs integrated with an on-chip 2 ppm/°C typical (5 ppm/°C maximum), 2.5 V reference. The on-chip reference can drive the reference input of all four AD5750-2s, has a low output impedance of 0.05 Ω, and can source and sink up to 5 mA.
The ADuM1301 is a triple-channel digital isolator. The ADuM5400 is a quad-channel digital isolator with an integrated, isolated, dc-to-dc converter. They are both based on iCoupler® technology and are used to provide isolation between the signal chain and the system microcontroller, with an isolation rating of 2.5 kV rms. The ADuM5400 provides an isolated 5 V power supply for the 5 V circuits in the secondary side.
The EVAL-CN0229-SDPZ board connects to ADI’s System Demonstration Platform (SDP) and is powered by a triple output DC power supply of +15 V, -15 V and 6 V.
Do not connect the USB cable to the Mini-USB connector on the SDP board before turning on the dc power supply for the EVAL-CN0229-SDPZ.
See image below for jumper settings. The bolded values are the default settings for the EVAL-CN0229-SPDZ.
NOTE: It is recommended that you install the CN0229 Evaluation Software to the default directory path C:\Program Files (x86)\Analog Devices\CN0229\ and all National Instruments products to C:\Program Files\National Instruments\
NOTE: It is recommended that you close all other applications before clicking “Next”. This will make it possible to update relevant system files without having to reboot your computer.
It is recommended that you install the drivers to the default directory path
C:\Program Files\Analog Devices\SDP\Drivers
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