Schneider Electric PowerLogic PM5300 Series Dokumentacja Pobierz pdf (Strona 31)

63230-507-201A1 Power Meter 750

03/2007 Section 6—Alarms

SECTION 6— ALARMS

ALARMS

ABOUT ALARMS The PM750 can detect 15 pre-configured alarms. A complete list of alarm

configurations is described in Table 6– 1. All alarms can be configured with

the following values when using the display except that digital alarms have a

fixed pickup and dropout magnitude:

• Enable—disable (default) or enable.

• Pickup Magnitude—For digital alarms off-to-on (1), on-to-off (0)

• Pickup Time Delay (0-32767 seconds)

• Dropout Magnitude—For digital alarms off-to-on (0), on-to-off (1)

• Dropout Time Delay (0-32767 seconds)

Values that can also be configured over communications are:

• Alarm Type

• Test Register (reading)

• Alarm Label

The

! icon appears in the upper-right corner of the power meter display

when an alarm is active.

ALARM CONDITIONS AND ALARM

NUMBERS

Table 6– 1 lists the pre-configured alarms by alarm number. For each alarm

condition, the following information is provided.

• Alarm No.—a position number indicating where an alarm falls in the list.

• Alarm Description—a brief description of the alarm condition

• Abbreviated Display Name—an abbreviated name that describes the

alarm condition, but is limited to 16 characters that fit in the window of

the power meter’s display.

• Test Register—the register number that contains the value that is used

as the basis for a comparison to alarm pickup and dropout settings. This

value is an integer, and the evaluation produces an absolute value.

Table 6– 1: List of Default Alarms by Alarm Number

Alarm

Number

Alarm

Description

Abbreviated

Display Name

Test

Standard Speed Alarms (1 Second)

01 Over Kilowatt OVER KW 4006

02 Over Kilovolt-Ampere OVER KVA 4007

03 Over Kilovolt-Ampere-Reactive OVER KVAR 4008

04 Under Power Factor UNDER POWER FAC 4009

05 Over Voltage L-L OVER U 4010

06 Over Voltage L-N OVER V 4011

07 Under Voltage L-L UNDER U 4010

08 Under Voltage L-N UNDER V 4011

09 Over Current OVER CURRENT 4012

10 Over Frequency OVER FREQUENCY 4013

11 Under Frequency UNDER FREQUENCY 4013

12 Over THD Current OVER THD CURRENT 4045

13 Over THD Voltage OVER THD VOLTAGE 4052

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 67 68

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