This standard specifies test methods for the effects of power supply voltage drops on industrial automation instruments. This standard is applicable to the performance evaluation of the impact of power supply voltage drops on AC-powered industrial automation instruments. This standard is part of the "General Test Methods for Industrial Automation Instruments".
JB/T 6239.3-1992 history
2007JB/T 6239.3-2007 Geereral methods for testing the performance of industrial process measurement and control instruments.Part 3: Supply voltage depression immunity test
1992JB/T 6239.3-1992 General test method for industrial automation instrumentation on the effect of power supply voltage drop