Samlex America SR1000-148 - Manual (Page 26)

SR Series Inverter
25
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:
Computer Power Inverter
RXD
GND
D X T D X T
GND
RXD
DSR
RTS
DTR
CTS