10
Ø
EN61000-2-2 (immunity to low frequency signals)
6 K R L
Ø
Safety: EN62040-1-1:2003
Ø
Conducted emission: EN50091-2
Ø
Rated output current exceeding 25A limits
Ø
Radiated emission: EN50091-2
Ø
Rated output current exceeding 25A limits
EMS
EN61000-4-2(ESD)
Level 4
EN61000-4-3(RS)
Level 3
EN61000-4-4(EFT)
Level 4
EN61000-4-5(lighting surge)
Level 4
Ø
EN61000-2-2 (immunity to low frequency signals)
5.5. Communication port
The type of signals, serial command (RS232), is provided by the UPS to communicate with a host
computer. The RS232 communication port transmits both utility power and UPS status to the host computer,
providing the host computer with proprietary command sequence to monitor the utility power and UPS status
and to control the UPS output.
The data format of RS232 is listed as followed:
Baud rate
2400 bps
Data length
8 bits
Ending bit
1 bit
Parity bit
None
5.5.1. RS232 interface
Two types of signals, relay contact or serial command (RS232), are provided by the UPS to communicate
with a host computer. The relay contact transmits both utility power and UPS status to the host computer by
using
“
ON
“
and
“
OFF
“
states of relays, providing the host computer with proprietary command sequence to
monitor the utility power and UPS status and to control the UPS output. The host computer can also monitor
the UPS through RS232 communication port.
Pin#
Description
I/O
2
TXD
Output
3
RXD
Input
5
GND
Input
RS232 interface
5.5.2. AS400 interface
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