Saturday, June 4, 2011

Standalone Depth Display Panel

It uses touch screen and has two sets of completely independent tension/depth signal processing system.

1,Working Environment
Working Temp.: -25°C~+85°C
Altitude: 5000m
Vibration: 20-500 Hz,
0.02g2/Hz

2, Working Power
Input Power: 12VDC

3, Input signals
Differential signal of depth code wheel: Amplitude 5VDC
Differential signal of loadcell: DITS tension signal; loadcell made in China: 0-5VDC
Tension signal of downhole cable head:

Keyboard signal: operation, set up.

4, Outputs
Power supply of depth code wheel: +5VDC
Power supply of loadcell: +12VDC
Power supply of tension
internal contracting brake
signal: +12VDC
GPIB Communication
Communicate with wellhead, output and transmit downhole tension signal and tool depth signal.

It has two sets of completely independent tension/depth signal processing system. When operation software is started, one of them is used as the main system. The output of the main one is used for logging acquisition and display, and the other is as back up automatically. Its output can be monitored in real time in the software. When the main one is in trouble, the back up one can be switched to in the software.
When starting the tension/depth system next time, the parameters last time configured are maintained automatically.
The tension/depth can be displayed both at the position of winch operator and in logging software, and the tension/depth parameters can be input at either side. No matter at which side they are input, the values of the other side will be correspondingly changed. The two sets of tension/depth system parameters can be input respectively by selecting it as the main system in the logging software.
Without initiation of the surface system, the tension/depth system parameters can be set up by tension/depth display panel. On starting of the surface system, the logging software uses the tension/depth system parameters already set-up automatically.
It adopts 12VDC storage battery.
The unit of depth and tension value can be selected, that is Meter/Feet; LB/kg.
Surface and downhole cable tensions are needed to display at both the driller and winch operator.
Depth alarm, speed alarm, tension alarm, etc.
The truck is stopped automatically based on the tension.
Loadcell, either 3700 or domestic, can be used.

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