MicroARM-A4
Programmable Logic Controller
3.2.2 Analog output
Value range from 0 to 10000. Do not declare the digital output
if the analog output must be used.
1
2
3
4
5
6
7
8
9
10
Commun
0V
Commun
0V
%QW100
%QW101
%QW102
%QW103
Commun
0V
Commun
0V
Commun
0V
Commun
0V
3.3 Communication port
3.3.1 COM0 RS232 and COM2 RS232
Standard pin on DB9.
Pins on 7 and 8 are used for the COM2.
This communication port is located on DB9 connector.
1 NC
6 NC
2 RX0
7 TX2
3 TX0
8 RX2
4 NC
9 NC
5 GND 0V
3.3.2 COM1 RS485
6
B
A
9
1 2
3 4 5 6 7 8
10
1
6
5
9