EMERSON A6120｜Vibration Monitoring Module｜

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EMERSON A6120｜Vibration Monitoring Module｜

A6120

Channel 2 independent chassis vibration measurement channel
Adaptive sensor eddy current/electromechanical speed sensor (such as models 9266, 9267, 9268)
Input signal differential input, -5~+15 VDC, input impedance>100 k Ω
Measurement parameter: Absolute vibration of the casing (speed mm/s or in/s)
The lower limit of the frequency range is 1/5 Hz; the upper limit is adjustable from 50 to 2000 Hz
Measurement range 5-100 mm/s (can be continuously adjusted through configuration software)
Output Signal – Analog Output: 0/4-20 mA, 0-10 VDC (Vibration Proportional Output)
-Buffer original signal output: 0-12 Vpp, front-end buffer ± 10 V
-Alarm/danger trip relay output
Power supply DC 24V redundant input
Power consumption is about 7W (typical value)
Communication RS-232 configuration port Modbus TCP/IP
Protection function: Sensor disconnection/short circuit detection, alarm delay (0-5 seconds), remote trip bypass, limiting factor (1.00-4.99)
Accuracy ± 0.5% full-scale ± 0.5% configuration value
parameter
Working temperature -10 ℃~+60 ℃
Storage temperature -30 ℃~+85 ℃ Emerson
Relative humidity 5% to 95% RH non condensing Emerson
Size 160 × 128.4 × 30 mm (EURO 3U card)
Net weight 0.4-0.5 kg (declared value according to official customs declaration standards)
Protection level: front panel IP00, climate level inside cabinet IP21 Emerson

Purpose
Specially designed for key rotating machinery such as power plant steam turbines, gas turbines, compressors, fans, etc., it is used to monitor the absolute vibration of bearing seats/casings, achieve real-time monitoring, over limit alarm, and interlock tripping protection, and is widely used in nuclear power, thermal power, chemical and other fields.