Cotek SP-3000 - 5. RS232 Communication and Operation; Protection Mechanisms and RS232 Port; RS232 Port Operating Steps

36
4-5. Protection Mechanism
Model
Over Voltage (DC)
Under
Voltage
Alarm
Under Voltage
Shutdown
Restart
Shutdown
Restart
12V
16.5V ± 0.3V
14.5V± 0.3V
11V ± 0.3V
10.5V ± 0.3V
12.5V± 0.3V
24V
33V ± 0.5V
29V ± 0.5V
22V± 0.3V
21V ± -0.5V
25V ± 0.5V
48V
66 ± 1V
58V ± 1V
44V± 0.3V
42V ± 1V
50 ± 1V
Table 31. Protection Mechanism
Model
Over temperature protection
Shutdown
Restart
12V
80
60
24V
48V
Table 32. Over Temperature Protection Mechanism
5. RS232 Communication and Operation
5-1. RS232 Port
RS232 Port : Serial port monitoring and control through computer
interface.
Figure 17. RS-232 cable
SP Series
Computer
PIN Number
Description
PIN Number
Description
1
Not used
Not used
1
2
GND
RXD
2
3
RXD
TXD
3
4
TXD
Not used
4
5
Remo Control
GND
5
6
VCC
Not used
6