7
The RKP-CMU1 can link to a PC (personal computer) via USB, RS232, or Ethernet, and through the operation interface at the
PC side (like monitoring software or Microsoft Internet Explorer), management of the rack power can be consolidated at the PC
side as shown in Figure 3-1. Details will be described in the following chapters.
Figure 3-1
the
RKP-CMU1
Diagram of
communication interface of the
control these units.
The RKP-CMU1 uses PMBus as the communication interface to communicate with RCP-2000 units to monitor, manage, and
The RKP-CMU1 has a built-in real time clock to display actual date/time for log timestamp. The Data Log is used to store the
To fulfill the requirements of industrial applications for the rack power system, the RKP-CMU1 offers 4 digital input signals in
When an abnormal situation occurs, the red LED indicator on the front panel will flash. The abnormal situation detected can be
interpreted on the LCD screen or your computer. Abnormal situations and the descriptions are shown as below.
CN503 and 4 programmable relays in TB4. In addition, these relays provide both normally-open (N.O.) and normally-closed (N.C.)
operations for selection. The operating conditions of the relays are shown in Table 3-3.
operating data of the rack power system. It has 1000 records and the interval of log is programmable from 1 to 60 minutes
. The
Event Log is designed to store abnormal system condition when an alarm occurs and removes. There are up to 600 records of
Event Log that can be stored in the RKP-CMU1.
3.3 Communication and Operation Interface
3.4 Real Time Clock, Data Log and Event Log
3.5 Programmable Relays and Digital Input Signals
3.6 Alarm
PMBus
USB
RS-232
Ethernet
Functions
Selections
1. Any alarm
2. OVP
3. OLP
4. Short circuit
5. OTP
6. High temp.
7. AC fail
8. Fan lock
9. PMBus Error
1. Immediately
2.Delay 1 ~ 600 sec
1. Immediately
2.Delay 1 ~ 600 sec
Control by Digital
input 1 ~ 4
Alarm
PSU ON
PSU OFF
Digital Input
Table 3-3
Table 3-4
Rack Power's
abnormal
situations
Status
OVP
OLP
OTP
Short circuit
High temp.
AC fail
Fan lock
Description
Over voltage protection
Overload protection
Output short circuit protection
Over temperature protection
Internal over temperature alarm
Low AC power shutdown
Fan malfunction protection
Besides that, there are also a LCD screen and control buttons on the front panel, the LCD user interface. It can be used to monitor,
manage, and control your system without using other equipment. Refer to chapter 4 for details.
Содержание RKP-1U-CMU1
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