Ascon Tecnologic - PM343 - OPERATING INSTRUCTIONS - PAG. 3
3. INSTALLATION WARNINGS
3.1
General Warnings
–
Avoid placing the instrument in dirty environments or with
very high humidity levels that may create condensation and
avoid the introduction of conductive substances into the
instrument.
–
Ensure adequate ventilation to the panel and avoid instal-
lation in containers which may overheat or which may
cause the instrument to function at a temperature higher
than the one permitted and declared.
–
Connect the panel as far away as possible from sources
of electromagnetic disturbances such as motors, power
relays, relays, solenoid valves, etc..
3.2
Panel Dimensions
Touch Screen size: 4.3”.
3.2.1
Instrument dimensions
95.8
142
54.7
86
75.5
129.7
5.5
23
30.3
3.2.2
Panel cutout
131.0 ±0.5W
78.0 ±0.5W
The dimensions in the above drawings are all in mm.
3.3
Electrical connections
3.3.1
Power supply terminals
(label 24 VDC)
Pin name
Description
+
24 VDC power supply terminal
-
0 V Power supply terminal
3.3.2
RS232 Interface Terminals
(label RS232)
Pin name
Description
RXD
RS232 Receive data terminal
TXD
RS232 Transmit data terminal
GND
Ground terminal
3.3.3
RS422 Interface Terminals
(label RS422)
Pin name
Description
GND
Ground terminal
TX+
Transmit data positive terminal
TX-
Transmit data negative terminal
RX+
Receive data positive terminal
RX-
Receive data negative terminal
3.3.4
RS4485 Interface Terminals
(label RS485)
Pin name
Description
GND
Ground terminal
A
RS485 A terminal
B
RS485 B terminal
3.3.5
USB Connector
(label USB OTG)
The USB connector is a micro USB type with OTG function-
alities.
3.3.6
ETHERNET Connector
(label ETHERNET)
The ETHERNET connector is a standard RJ45 type for net-
work connections.