Basic Information:

Original American 3500 system core monitoring card, metal reinforced housing, half-height size, supports hot-swappable operation while powered on; complies with API 670, used for long-term online protection and monitoring of critical rotating machinery.

Function and Positioning:

4-channel independent monitoring, receives input from eddy current probes, measures shaft vibration, axial displacement, temperature difference, and eccentricity; provides alarm/danger relay outputs, real-time over-limit protection, supports fault diagnosis and shutdown interlock.

Core Performance Parameters:

Channels: 4 isolated

Inputs: 3300/3500 series eddy current sensors

Measurements: Vibration / Displacement / Temperature Difference / Eccentricity

Outputs: 4–20mA, relay contacts Power supply: 24V DC

Power consumption: ≤ 18W

Temperature range: -20℃ to +60℃

Compatible accessories:

3300 series probes / front-end units, 3500 frame interface, 3500 rack, terminal blocks, communication cables.

Application scenarios:

Vibration and displacement protection for turbine engines, gas turbines, compressors, generators, large pumps and fans.