21
AMV OND1000-X-C1
15). Overload Alarm
: Sets the overload alarm. When the output power is
higher than the set value, the unit will sound “beep”
to remind that the unit is going to shutdown. At the
same time, the internal Dry Contact Relay will
open/close (See details in Section 3-1-6).
Default= 100%
Setting range= 50%~110%
6. RS-232 Communication and Operation
6-1. Operation of RS-232 Serial Port:
6-1-1. This unit uses a standard 9-Pole D connector and three of the RS232 signal
lines:
1
2
3
4
5
6
7
8
9
Signal description
PIN
N.C
1
RXD
2
TXD
3
DTR
4
GND
5
DSR
6
RTS
7
CTS
8
N.C
9
6-1-2. The connection between this unit and the computer is as follows:
RXD
GND
TXD
TXD
GND
RXD
DSR
RTS
DTR