SNAP PAC R1 with AIMA - 8

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1

Hi,

my application is R1 serial communication with radio modem and AIMA-8 in slot-0 in SNAP-PAC RCK-4.

By giving Analog input to CH0 in 4ma and observing in opto pac control program AI_0 showing 4ma but after connection RS 232(Tx,Rx,Gnd) in R1 then in control program AI_0 value is varying from 3.96ma to 11.5ma.

kindly suggest

2

Please measure the power supply voltage using a good quality meter.
You can read more about power supplies here; http://documents.opto22.com/1271_Tech_Note_Using_Power_Supplies.pdf

We have a one minute showing how here;