26
4200FA XT 80kVA Installation and Operation Manual
DB9 Female connector outline
(facing connector)
5
4
3
2
1
9
8
7
6
4.2.2
RS-232C
The RS-232C serial communication interface is available via a DB9 female connector located
under the Remote Eye Cover on the front of the UPS (see Section 4 for location). This
interface allows control of the UPS from a personal computer running special TOSHIBA
software. The computer and the UPS are connected through a serial RS-232C
communication port. The available data from the UPS, via the RS-232C communication link is
shown below.
Operating Conditions
Input Voltage
Output Voltage
Output Current
Battery Voltage
Input Frequency
Output Frequency
UPS Operating Status
(Described as Yes or No)
Utility Power OK
Low Battery Voltage Detected
UPS in BYPASS Mode
UPS in NORMAL Mode
Input and Output Frequency Synchronized
UPD FAULT Occurred
Fault Details
(Described as Occurred or Not Occurred)
DC Bus Over-Current
DC Bus Over-Voltage
DC Bus Under-Voltage
Input Over-Current
Overheat
Overload Being Timed
Overload (allowable time exceeded)
Output Over-Voltage (during Normal Mode)
Output Under-Voltage (during Normal Mode)
The connector pin assignment and female connector outline are illustrated below.
4.2.3
UPS Shutdown (via RS-232C)
When the UPS is operating from its internal batteries, a Shutdown order can be sent to the
UPS telling it to turn OFF after a user-specified amount of time. This function can allow you
to stop discharging the UPS batteries after an orderly system shutdown has been completed.
The UPS can be programmed to turn OFF up to 8 minutes after the Shutdown command is
given. This command can be cancelled before the specified time has elapsed by following
the directions listed on the RS232 screen.
Pin
I/O
Symbol
Description
1
This pin is not used
2
Input
RXD
Receive Data
3
Output
TXD
Transmit Data
4
Output
DTR
Data Terminal Ready
5
-
SG
Signal Ground
6
Input
DSR
Data Set Ready
7
Output
RTS
Request To Send
8
Input
CTS
Clear To Send
9
This pin is not used
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