Jordan Valve Mark 17X Series Flameproof Smart Positioner - Manual (Page 23)

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Tight Shut Close (TSHUT CL):
Tight Shut Close allows the valve to close completely as the input signal reaches 4mA.
Split Range Mode (SPLIT):
The valve may be operated by split range control, 4-12mA or 12-20mA.
Custom Zero Setting Mode (CST ZERO):
Allows the user to set any specific point as a zero position. For example, the zero point may be set at an input signal
of 7mA.
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