Unable to communicate with LCR meter via RS-232C

QI’ve connected a computer (PLC) and LCR meter via the RS-232C interface but am unable to get the two devices to communicate properly. Please advise what I should check.

A

Please review the attached document.

In addition, please review the User Manual (maintenance and service sections).

 

Affected models: IM3523, IM3533, IM3536, IM3570, IM3590, etc.