Higher amperage relay output modules and an 8-point input simulator module are now available from AutomationDirect for the Click series stackable micro brick PLCs. The Click C0-04TRS-10 ($54.00) is a ...

In our previous issue, we said a digital output module could be tested by using the PLC logic to force the output on and off then and observing the module’s response. If the module doesn't respond, ...

The data connection device under test in Figure 1 is characterized by comparing test signals sent into the link with signals measured at the link output. The differences between these two test signals ...

The data link device under test (Figure 1) is characterized by comparing test signals sent into the link with signals measured at the link output. The differences between these two test signals show ...

Sponsored by Vitrek, LLCReviewed by Maria OsipovaSep 18 2025 This article demonstrates how a data link manufacturer tests signal integrity at the production level using GaGe Instruments' PC-based high ...