China Tianjin Control Board GAMX-D
Technical Parameter
Digital micro-control allows:
Pushbutton proramming-eliminates Span and Zero pots 10-bit resolution
Off-line calibration-eliminates the need for loop calibrators
Environment
Operating temperature: +32°F to +158°F (0℃ - 70℃)
Storage temperature: -40°F to +185°F (-40℃- 85℃)
Relative humidity : 0 to 90% non-comdensing
1.Input signal: 4-20 mA
2.Output signal: 4-20 mA
3. Direction: standard: 4mA----valve closed
20mA---valve opened
nverse direction: 4m----valve opened
20mA---valve closed
4. Dead zone: 0-3%
5. Operated automatically
6. Adjustment: 0% to receive 4mA signal
7. Adjustment: 100% to receive 20mA signal
The company supplies high-quality Bernard technology electric actuator control board, model complete GAMX-D, GAMX-2K, GAMX-2KP, GAMX-T-2001, GAMX-T-2004, GAMX-2003, GAMX-2005, GAMX-S518S, GAMX-D-2000.GAMX-L1840, GAMX-2007, GAMX-2010 N, GAMX-2014, JDIDL-A, PM2, PM3.
Main features
1.Component miniaturization, such as GAMX-D electronic actuator positioner,which select Motorola Inc. of the U. S. And Maxim company etc. imports of miniature SMD electronic components,This kind of components was originally designed for aerospace and military equipment, its small volume, light weight, strong function, high reliability, we use miniature SMD electronic components, which is not only strengthen the function of the locator, and improved the accuracy and reliability.
2.Without isolation module: the input signal and output signal of GAMX-2k type electric actuator positioner has common reference ground point, when system connecting, without isolation module.
3.It can be applied to the DCS system:GAMX-2K electronic actuator positioner with DCS system requires "ready", "comprehensive alarm" and other control signals;it can be superposition of DCS system in 4 ~ 20 mA current loop "digital pulse “signal separated.
4.Signal loss protection: GAMX-2k type electric actuator positioner increased the signal loss protection function, if the former level instrument input signal circuit break, the locator makes the electric actuator "open", "close" and "stop at the original position" and "stop anywhere" , after waiting for troubleshooting, continue to work.
5.Electricity limit: GAMX-2k type electric actuator positioner increased electric limit function, if the active control signal (an instrument signals or manual signal) beyond range (less than 4 ma or greater than 20 ma) the locator limit the electric actuator output Angle is not beyond the scope, to avoid damaging the valve and both upper and lower limit.
6.Power mutation interference: GAMX-2k type electric actuator positioner increased the function of power mutation signal interference, limited due to the power lines on perceptual with electric start or stop the shot or steep drop caused by the strong current disturbance to the locator misoperation.
7.The product has many functions, such as: high pointing accuracy integrated product, bidirectional moment of force protection function, he over travel protection function.
Break the signal protection function, the automatic cut over function, The electrical machinery electric brake function, the strong anti-jamming ability.
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