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21
EN
ESIM384 Installation and Configuration Manual v1.1
2.3.4. iButton Key reader and Buzzer
BUZ- BUZ+
+
-
CO
M
DATA
BUZZER
br
own
whit
e
iButton
key reader
DS1990A
12
Supported iButton key model:
Maxim/Dallas
DS1990A
the iButton key reader can be installed with buzzer
or separately. the buzzer is intended for audio in-
dication of exit/entry delay countdown providing
short beeps.
1 Connect iButton key reader brown and white
wires to 1-Wire interface:
CoM
and
Data
termi-
nals respectively.
2 Connect buzzer‘s negative terminal wire to
BUZ-
and positive terminal wire to
BUZ+.
notE:
the installation of buzzer is not necessary if eKB2/eKB3 keypad is used.
atEntIon:
the cable length for connection to 1-Wire interface can be up to 30m (98.43ft) max.
2.3.5. temperature Sensor and iButton Key reader
Supported iButton key model:
Maxim/Dallas DS1990A
Supported temperature sensor model:
Maxim/Dallas DS18S20, DS18B20
CO
M
DATA +5V
GND
DATA
+5V
iButton
key reader
DS1990A
Temperature
sensor
DS18S20
whit
e
br
own
CO
M
DATA +5V
GND
+5V
DATA
Temperature sensor
DS18S20
GND DATA +5V
CO
M
DATA +5V
black
yello
w
re
d
Digital thermometer
with 3m (9.84ft) wire
Vinson DS18B20
13
1 Depending on the model, connect temper-
ature sensor
GnD
/black wire,
Data
/yellow
wire,
+5V
/red wire terminals to 1-Wire inter-
face:
CoM
,
Data
and
+5V
terminals respec-
tively.
2 When connecting iButton key reader in par-
allel to temperature sensor, connect iButton
key rea der terminal wires to
CoM
and
Data
terminals respectively.
atEntIon:
the cable length for connec-
tion to 1-Wire interface can be up to 30m
(98.43ft) max.
2.3.6. relay finder (for example, model 40.61.9.12) with terminal Socket (for example, model 95.85.3) to PGM output
Example of relay wiring for negative PGM output control
A1
C1
AUX+
A2
COIL
RELAY
14
1 Wire up relay
a1
terminal to PGM output
Cx
and
a2
terminal to
aUX+
.
2 In addition, connect the switching diode to re-
lay‘s
a2
and
a1
terminals.
notE:
We highly recommend using switch-
ing diode model 1N4148 or similar.
