Parts Identification
1
Front View
1. LCD DISPLAY
2 X 16 character LCD display for programming as well as status indication purpose.
3. MENU / UP / DOWN BUTTON
Used for accessing the setup / programming menu.
4. LED INDICATORS
2
3
4
5
6
7
The LED for the corresponding channel when triggered shall lit. If the built in melody accompanies the triggered
channel, it shall be indicated by the MELODY LED. Green STATUS LED denotes that the unit is powered.
5. POWER SUPPLY INPUT
The unit operates on 24V DC power supply. Please use Amperes PS9400 power supply unit or other recommended
regulated power supply adaptor.
NOTE : Do not tap power supply directly from a charging batteries or via battery charger in the system. The exces-
sive voltage would damage the equipment.
Rear View
DC 24V
+
OUTPUT
LEVEL
N
O
C
O
M
N
O
C
O
M
N
O
C
O
M
N
O
C
O
M
CH1
CH2
CH3
CH4
N
O
C
O
M
N
O
C
O
M
N
O
C
O
M
N
O
C
O
M
CH5
CH6
CH7
CH8
RELAY DRY CONTACT
LINE OUT
UNBALANCE
9
2. USB PORT
USB Input Slot
PAGE 2
PT1801 | MULTICHANNEL PROGRAMMABLE TIMER
6. TRIGGERING DRY CONTACT
8 output channels are available in PT1801. Whenever a channel is activated by the timer, a dry contact is available
and this is then connected to external equipment such as message recorder to activate a specific playback message
for a specific time.
7. RS485 DATA PORT
RS485 data port is used to interface with other Amperes products, to enable simpler cabling or interconnection
works. Alternatively, it can be linked to PC for firmware upgrade. A USB-RS485 converter shall be required for this
purpose.
Please refer to section ‘ Firmware Upgrading’ to perform the Firmware update process.
a m pe re s
RELAY OUTPUT CONTACT
MELODY
8
