Rev. ktm-c-v3_0_en
Astra-KTM-S
Sensor keypad
User guide
This user guide is intended to study the principle of operation,
proper use, storage and service of the Astra-KTM-S sensor
keypad (hereinafter referred to as the keypad) (Figure 1).
The manufacturer reserves the right to make changes without
notice to improve the keypad. All changes will be included in
the new edition of the user guide.
List of abbreviations
:
CP
– control panel;
ТМ
- Dallas 1-Wire Touch Memory interface.
1 Function
1.1
The keypad is designed to control the Astra-8945 Pro, As-
tra-812 Pro, Astra-712 / x, Astra-713, the Security Hub controller,
as well as Astra-814 Pro, Astra-863 devices by entering PIN
codes.
1.2
The scope of the keypad is centralized or standalone
protection of facilities for various purposes as part of Astra fire
and security alarm systems and other systems.
2 How it works
The keypad is an emulator of the Touch Memory key reader. The
keypad converts the entered digital PIN into a Touch Memory
code and outputs it to the
“
КЛЮЧ
” terminal.
When using the
“
ВЫХОД ОП
.
” terminal the keypad displays the
status of the control panel (armed/disarmed).
3 Specifications
Supply voltage, V ....................................................... 6 to 14 V
Max current consumption, mA .............................................. 50
ТМ* line length, m, not more than ...................................... 100
Overall dimensions, mm, not more .........................
110×83×14
Weight, kg, not more ......................................................... 0.08
Operation conditions
Temperature range
, °С .............................................. +5 to +45
Relative air humidity, % .............................. up to 95 at
+ 40 °С
without moisture condensation
4 Delivery set
Astra-KTM-S keypad ........................................................... 1 pc.
Dowel ................................................................................ 3 pcs.
Screw ................................................................................ 3 pcs.
User guide ........................................................................ 1 copy
5 Structure
5.1
Structurally, the keypad is made in the form of a block con-
sisting of a removable plastic base and a plastic front panel.
5.2
On the front panel there are LED indicators with graphic
designations of the functions performed, as well as 12 backlit
touch keys.
5.3
Mounting holes and a hole for supplying power and inter-
face cables are located on the rear surface of the base.
5.4
A printed circuit board with radio elements and a screw
terminal block for external connections is mounted inside the
block (Figure 1).
__________________________________________________________
*
When the number of parallel connected keypads is not more than 4.
Base removed
Figure 1
5.5
The design of the keypad provides for surface mounting on
the wall.
6 Terminals
Terminal
Function
ВЫХОД ОП.
ARM_out terminal of
the CP
КЛЮЧ
Touch Memory inter-
face
_|_ +12
В
Power supply
7 Keys function
Keys
Function
0 … 9
PIN codes entry
Х
Reset
V
Entering the PIN code to the CP
Pressing the keys is confirmed by a sound signal and a short
flash of the indicator of the key that was touched. When enter-
ing the code, the indicator lights up green
(key).
After pressing
V:
successful
transmission of the code is confirmed by
3
beeps
,
attempt to send an erroneous code (insufficient or exces-
sive code length) is accompanied by a red flash of the
X key
and an intermittent
trill
is heard.
