ICP DAS USA I-7021 User Manual

Also see for M-7024: Quick start guide

Contents

ICP DAS USA I-7021 User Manual Manual pdf 6 page image

I-7021/22/24, M-7022/24/28 User Manual, Rev: B2.361. IntroductionThe I-7000 series is a family of network data acquisitionand control modules, providing analog-to-digital, digital-to-analog, digital input/output, timer/counter and otherfunctions. The modules can be remotely controlled using aset of commands, which we call the DCON protocol.Communication between the module and the host is inASCII format via an RS-485 bi-directional serial busstandard. Baud Rates are software programmable andtransmission speeds of up to 115.2 Kbps can be selected.The functionality of the M-7000 series is the same as theI-7000 series, with the exception that the M-7000 seriesoffers extended support for the Modbus RTU protocol.Some I-7000 modules featurea new design for the frameground and INIT switch asshown in the figure (rearview). The frame groundprovides enhanced staticprotection (ESD) abilities andensures the module is morereliable. The INIT switchallows easier access to INITmode. Please refer to SectionsA.1 and A.3 for more details.The common features of the I-7021/21P, I-7022, I-7024,I-7024R, M-7022, M-7024, M-7024L, M-7024R,M-7024U and M-7028 modules are as follows: