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Chapter 1 System Outline
GIE 4820/3A/3.45KW Power Supply System User Manual
1.4.2 Monitoring Module
The user interface of the monitoring module is on the panel of the monitoring
module, as shown in Fig.1-6.
COM
MS
PSM-B9
1
—
Alarm indicator 2
—
Operation indicator 3
—
Communication port COM
4
—
Communication port MS 5
—
Signal port DB37
Fig.1-6 User Interface of the Monitoring Module
Function explanations:
1) There are two indicators (operation indicator and alarm indicator) on the panel of
the monitoring module to provide the system operating state to the users. When the
monitoring module is under normal operation, the operation indicator (green) is
flashing regularly. When the monitoring module detects alarm in the system, the
system alarm indicator (red) will be on. Otherwise it will be off.
2) The power system provides two communication ports: communication port COM
and MS, used for communicating with the host computer. Communication port
COM adopts RS232 or RS422 communication method, and communication port
MS adopts RS232 communication method, and the baud rate is fixed at 9600. The
communication port can also automatically identify whether the present
communication protocol is “Communication Protocol between PSM-B9 Monitoring
Module and Master/Slave Node of the Host” or “Communication Protocol between
PSM-B9 Monitoring Module and the Host of Access Network”. When the host
communicates with the standby communication port MS, the main communication
port COM stop communicating. The communication ports of COM and MS cannot
take effect at the same time. When the communication port MS of the monitoring
module communicates with the host, the communication port COM is of no effect.
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