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analog signals

2 articles tagged “analog signals”.

Instrumentation cable shielding diagram showing single-end grounding of 4-20 mA analog signal cable in a PLC panel
analog signalsshieldinginstrumentation

Shielding Analog Signal Cables in PLC Panels

Analog noise in PLC panels usually traces back to wrong shield grounding. Here's the exact technique, the common mistakes and the real-world numbers that matter.

Jul 12, 2026 · 8 min read

Cable shield grounding diagram showing single-end versus both-end termination for PLC panel wiring
shieldinggroundinganalog signals

Cable Shield Grounding: One End or Both?

Shield grounding is one of the most argued topics in panel design. Here is the engineering behind single-point vs both-end termination, with real rules for 4-20 mA, thermocouples and fieldbus.

Jul 12, 2026 · 8 min read

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