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FOUNDATION Fieldbus H1

FOUNDATION Fieldbus H1 is a digital industrial protocol replacing 4-20mA analog signals with two-wire bus carrying both power and data at 31.25 kbps. Used in process plants for sensors and control valves.

// connector diagram 2 pins
// loading diagram...
// Specifications
Standard
IEC 61158 Type 1 FF-H1
Speed
31.25 kbps
Physical
2-wire twisted pair
Power
Bus-powered devices up to 30V
Max Devices
32 per segment
Use Case
Oil and gas process plants, chemical industry
// Pin Reference Table
PinNameFunctionType
1 FF+ Fieldbus signal positive and power PWR
2 FF- Fieldbus signal negative GND

FOUNDATION Fieldbus H1 is a digital industrial protocol replacing 4-20mA analog signals with two-wire bus carrying both power and data at 31.25 kbps. Used in process plants for sensors and control valves.