User Manual

Disposal
The device
is classified as waste electronic equipment in terms of the European Direc-
tive
2012/19/EU (WEEE) and should not be disposed of as unsorted municipal waste.
The relevant national legal rules are to be adhered to.
Regarding disposal, use the systems setup
for collecting electronic waste.
Observe all local and applicable laws.
Technical data
General device data
Operating voltage
AC 24 V ± 20 %
Safety extra-low voltage SELV
Protective extra-low voltage PELV
HD 384
Frequency
50/60 Hz
Power consumption
Series D and later
Up to Series C
AC 24 V
max. 3 VA
max. 12 VA
DC 12
max. 6 W
max. 5 W
Internal fuse
Thermic, automatic reset
Operating data
Main processor
Freescale PowerPC
Communication processor
Neuron 3150
Data backup in case of power failure
Applications, parameter (FLASH)
> 10 years
Keyboard
Type
Keyboard with plastic membrane and
pressure point
Key area
7 x 7 mm
Switching pressure
2.1 N
Travel
0.6 ... 0.7 mm
Operating life
> 1 million operations
Material, front membrane
Polycarbonate
Material, contacts
Conductive silver,
snap-on discs gold-plated
Display
Mechanical
LCD display
F-STN, Black & White
Display area
123 x 68 mm
No. of dots
240 x 128 dots
Dot size
0.47 x 0.47 mm
Dot area
0.50 x 0.50 mm
Optical
Contrast ratio
20 : 1
Viewing angle
± 40°
Viewing direction
6 o'clock
Background lighting
Series D and later
Up to Series C
Type
LED
CCFL Cold Cathode Fluorescent Lamp
Brightness
150 cd/m
2
60 cd/m
2
Rise time lamp
0 s
5 min = 80% Brightness
Life span Lamp
50'000
hrs.
= 50 % Brightness
20'000 hrs. = 64 % Brightness
Interface LON bus
Transceiver
FTT-10A
Baud rate
78 kBit/s
Protocol
BACnet
Interface RS232
Data bits
8
Parity
None
Stop bits
1
Baud rate
115,2 kBit/s
Protocol
Xon / Xoff
6/8
Siemens Operator unit PXM20 CA1N9231en_04
Building Technologies 2015-01-06