PT200MI instruction manual 22
8. INPUT/OUTPUT
8.1 INPUT
8.1.1 INPUT CODE DESCRIPTION
0 = Function When the input terminal is open, the function setting and calibration procedure is
locked. When the input terminal is shorted to INPUT COMMON, the function setting
and calibration procedure is activated. If another setting is selected, the lock function
is deactivated.
1 = Zero When the opto-coupler input is activated, this input has the same function as pressing
the ZERO key on the keyboard.
2 = Tare When the opto-coupler input is activated, this input has the same function as pressing
the TARE key on the keyboard.
3 = Gross/Net When the opto-coupler input is activated, this input has the same function as pressing
the G/N key on the keyboard.
4 = Print When the opto-coupler input is activated, the displayed value will be sent via the
RS232/RS485 serial port (If the option is fitted).
5 = kg/lb When the opto-coupler input is activated, the displayed value will change between kg
and lb.
6 = On/Off When the opto-coupler input is activated, the display will be turned on or off.
7 = Hold When the opto-coupler input is activated, the current measured value will be held until
the input is deactivated.
8 = Peak hold When the opto-coupler input is activated, and the corresponding peak, valley or peak
ā valley function is set, the current measured value will be held until the peak hold
input is deactivated.
8.1.2 INPUT DESCRIPTION
Refer to the rear panel connector description on page 7 for the input terminal positions.
IN1 : Input 1
IN2 : Input 2
IN3 : Input 3
COM: common of IN1, IN2, IN3
Note: The input contact is a passive switch and closure delay time is 30 mS maximum.
V+
V+
V+
PT200MI
IN1
IN2
IN3
COM
Passive switches
Input 1Input 2Input 3
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