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Description
Display module for pressure transmitters
The LCD-SHD display module was specially designed for our PREMASGARD SHD/ SHD-SD/ SHD 692 pressure transmitters so that the measured value can be read directly at the measuring point. The display module is a configurable display device for pressure transmitters with standard signal 4...20 mA or 0-10 V and plug connector type DIN EN 175301-803-A. For pressure transmitters with 0-10 V standard signal, the signal for the ModBus protocol can be made available via RS485 as a variant.
The display module can be mechanically rotated and tilted, and the display content can be rotated in 90° steps via the menu. With the 0-10 V and Modbus version, a backlight can also be switched on. In addition to the display of the currently calculated pressure, the voltage measured at the pressure transmitter or the lowest or highest measured pressure value (min/max) of the last 24 hours can also be displayed.
The settings for scaling, unit (bar, kPa, psi, inWC, atm, mWC), min/max values, number of values for averaging, display mode, alignment, backlighting, contrast and ModBus parameterisation are conveniently made via micro buttons inside the housing and are protected against unauthorised access.
The display module can be mechanically rotated and tilted, and the display content can be rotated in 90° steps via the menu. With the 0-10 V and Modbus version, a backlight can also be switched on. In addition to the display of the currently calculated pressure, the voltage measured at the pressure transmitter or the lowest or highest measured pressure value (min/max) of the last 24 hours can also be displayed.
The settings for scaling, unit (bar, kPa, psi, inWC, atm, mWC), min/max values, number of values for averaging, display mode, alignment, backlighting, contrast and ModBus parameterisation are conveniently made via micro buttons inside the housing and are protected against unauthorised access.
4...20 mA output signal, the LCD-SHD display module is supplied solely by the measuring current of the pressure transmitter. No additional auxiliary voltage is required.
Technical details
Compatibility
Pressure sensor SHD/ SHD - SD/ SHD 692
Display unit
bar (default), kPa, psi,
inWC, atm, mWC
Temperature dependence
typically < 0.01 % final value/K
Voltage supply
24 V AC / DC (±5%), 22.8 - 25.2 V AC/DC
Power consumption
< 1 W
Data points
Pressure [bar] [kPa] [psi] [inWC] [mWC] [atm]
Response time
Sensor-dependent settings for averaging (only applies to display)
Input
0 - 10 V (3-wire connection)
Output
Modbus RTU (4-wire connection)
Operation
for SHD/ SHD-SD/ SHD 692
U-Variant (0 - 10 V)
U-Variant (0 - 10 V)
Measuring function
Min/max values / averaging
Accuracy, pressure
< 0,2 % final value
Ambient temperature
Storage -20...+75 °C
Operation 0...+60 °C
Operation 0...+60 °C
Electrical connection
angle plug connector DIN EN 175301- 803 - A
Housing
made of plastic, material polyamide, colour black, base Ø 40 mm, h/w/d 102/107/72 mm pluggable
Protection class
III (according to EN 60 730)
Protection type
IP 65 (according to EN 60 529)*
Standards
CE conformity, electromagnetic compatibility
in accordance with EMC Directive 2014/ 30/ EU, EN 61 326
in accordance with EMC Directive 2014/ 30/ EU, EN 61 326
Display
LCD display (16x27.5 mm) with backlight, on/off/auto;
multi-line; three-digit; display can be rotated and tilted,
made of plastic, material polyamide, color black,
for displaying the pressure
multi-line; three-digit; display can be rotated and tilted,
made of plastic, material polyamide, color black,
for displaying the pressure
Features
15 predefined measuring ranges 1x freely definable measuring range
Units
bar, kPa, psi, inWC, atm, mWC