PM40 Operating Instructions Pressure Switch with digital display
BUTTON FUNCTION DURING MEASURING MODE
In measuring mode, the set switching points can be displayed without entering the programming mode. This display mode
can only be accessed if the device has a set switching point.
> 1s
1x
or
After 5 seconds without a button being pressed, the device switches back to normal operation. Additionally, the program
version can be displayed during normal operation.
> 3s
and
> 3s
After changing the unit of measurement, the decimal points, switching points and limits of the analog output must
be adjusted.
DESCRIPTION
Display
Description
User code
PIN query, only if a value other than 0000 has been set;
CodE
Setting range: 0000...9999
Zero adjustment (Not displayed for absolute pressure versions)
Readjusts the current ambient pressure to zero. When the "
Ad 0
sed for > 3 seconds current pressure is set as zero. Only to be used in depressurized state.
The adjustment is symbolized by „ -00"- ; a offset is symbolized by: „ - ı_ˉı -"
Switching point 1 (Only available if Fnc 1: SPrP Switching point mode is activated)
Sets the first switching point. When the operating pressure reaches the switching point,
SP 1
the switching state changes according to the setting of OU 1. (Indicator LED S1)
When the "
set as SP1.
Reset point 1 (Only available if Fnc 1: SPrP Switching point mode is activated)
Sets the first reset point. The switching state is changed when the operating pressure
rP 1
reaches switching point 1 and then falls below the reset point. The switching state
changes according to the setting of OU 1. When the "
3 seconds, the current pressure value is set as RP1.
Switching point High 1 Switching point Low 1
(Only available if Fnc 1: SHSL Window mode is activated) (Indicator LED S1)
SH 1
Allows to set a switching range instead of a switching and reset point. The switching state
changes according to the setting of OU 1.
SL 1
SH 1 = Sets the upper limit of the switching range 1.
SL 1 = Sets the lower limit of the switching range 1.
Switching point 2 (Only available if Fnc 2: SPrP Switching point mode is activated)
Sets the second switching point. When the operating pressure reaches the switching
SP 2
point, the switching state changes according to the setting of OU 2. (Indicator LED S2)
When the "
set as SP2.
Reset point 2 (Only available if Fnc 2: SPrP Switching point mode is activated)
Sets the second reset point. The switching state is changed when the operating pres-
rP 2
sure reaches switching point 2 and then falls below the reset point. The switching state
changes according to the setting of OU 2. When the "
3 seconds, the current pressure value is set as RP2.
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Display switching point 1 (SP1)
Navigates between SP1, rP1, SP2 and rP2 and automatically switches to the value display
Display of the program version
Display of the current temperature
˄
˅
" and "
" buttons are pressed for > 3 seconds, the current pressure value is
˄
˅
" and "
" buttons are pressed for > 3 seconds, the current pressure value is
˄
˅
" and "
" buttons are pres-
˄
˅
" and "
" buttons are pressed for >
˄
˅
" and "
" buttons are pressed for >
EN
Factory set
0000
-
-
-
-
-
-