Repairing Vibration Monitor

Combining alarm output vibration monitor to general alarm & excessive vibration trip

Equipment Specification:

• Brand: Shinkawa Sensor Technology , Inc.
• Vibration monitor :
• Input power supply : 86 to 264 VAC 
• Alarm output type : CH 1: 2 point (DANGER & ALERT) 
• Alarm reset (DANGER & ALERT ) : AUTO RESET 
• Alarm delay time (DANGER & ALERT) : 1 sec,3 sec & 6 sec 

Vibration monitor Shinkawa Sensor Technology , Inc

Problems occurred ( information from the owner / user ):

• Owner want to alarm vibration there are two stages 

1. First time of vibration increases. then give a signal & indicator 
2. Second time is more vibration while increasing. will automatically shut down the engine

Inspection results:

1. To run this system I have set up a control cable from the switch board to the turbine generator alarm panel
2. Add a one relay to transmit a signal to a general alarm and excessive vibration trip
3. Buzzer Turbine Generator Alarm panel does not work 
4. General Alarm system in T.G alarm panel , Not correct functioned.

Problem solving and result 

1. ALERT ALARM :

• Pulling the cable 2x1.5mm of vibration monitors to Turbine Generator Alarm Panel are use to signal indicators and general alarm 
• Set up a control cable for auxiliary contacts are used for general alarm 
• Fix the broken buzzer 

2. DANGER ALARM :

• Pulling the cable 2x1.5mm of vibration monitors to Turbine Generator Alarm Panel are use to signal indicators and general alarm 
• Installing the relay, which is used to send signals to the Turbine Generator Alarm Panel and Control Turbine Generator Panel (place : Turbine Generator)
• Set up a control cable for auxiliary contacts are used to setting up contact relay and power relay
• Connect the alarm output signal danger to EXCESSIVE VIBRATION TRIP in the control TG panel

3. T.G ALARM PANEL : 

• Correcting wiring General Alarm in the inside T.G Alarm Panel 
• Get you auxiliary contact of R1 R2 R3 R4 R5 R6 and incorporate in the terminal General Alarm.