Emerson CSI A6120 Enclosure Seismic Vibration Monitor Features

Features:

• Dual-channel, 3U-sized, 1-slot plug-in module that cuts cabinet space

requirements in half compared to traditional four-channel 6U cards

• API 670-compliant hot-swappable modules

• Remotely selectable limit multiplication and trip bypass

• Pre- and post-buffered and proportional outputs, 0/4-20 mA outputs, 0 - 10 V outputs

• Use with electric (electromechanical) sensors 9266. 9267. or 9268

Sensor Inputs

Number of inputs: two independent channels

Input Type: Electro-mechanical, Differential

Emerson sensor inputs: Part No. 9266. 9267. or 9268

Isolation: Galvanically isolated from power supply

Input resistance: >100 kΩ

Input voltage range: - 5 - +15 VDC

Input frequency range:

Lower cut-off frequency 1 or 5 Hz

Upper cut-off frequency 50 - 2000 Hz adjustable

Measuring range

Range: Continuously adjustable via configuration software

Vrms (metric) = 5 - 100 mm/s (±25 to ±500 µm)

Vrms (Imperial) = 0.197 in/sec to 3.937 in/sec (±0.984 mils to ±19.685 mils)

Frequency range: 10 - 1000 Hz (VDI 2056. DIN 4566. ISO 3945)

Selectable frequency ranges: 5 - 50 Hz, 10 - 50 Hz, 50 - 1000 Hz, or 50 - 1600 Hz

Lift coil current: 0 - 8 mA, adjustable in 40 μA steps

Lift coil current accuracy: ±0.5% of full scale range, ±0.5% of set value

Maximum allowable load: 3.4 kΩ at 2 mA

Minimum dynamic input voltage: 311 mV peak to peak

Maximum dynamic input voltage: 9500 mV peak to peak

Sensor power supply:

Individually buffered sensor power supply

Galvanically isolated from all system voltages and system supply voltages.

Protected against open and short circuits