RTS WM300 Dokumentacja Pobierz pdf (Strona 47)

Chapter 2 Specification of Communication port for CPU module

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■ Cautionary note

When the NTP time retrieving request (R901) competes with the read (R7F8) and the write (R7F9) of the calendar

clock, and the 30s adjust (R7FA), another processing is not performed until the processing to the first detected

request is completed because the first request detected by system is processed first.

(2) Word special internal output

Table 2.18 Word special internal output for NTP function

No. Name Storage data Description Set condition

Reset

condition

WRF40A Time zone setup See the following

table

Specifies the time zone of the NTP setup

of EHV-CPU.

But stores the time zone set value by

system when the power is on.

Sets by user.

(Sets by system only

when the power is on.)

－

WRF40B Calendar, Clock Year Indicates year with 4-digit.

WRF40C NTP server

retrieving value

Month and date Indicates month and date.

WRF40D (BCD 4-digit) Day Indicates day.

(Sun.: 0000 – Sat.: 0006)

WRF40E Time and minute Indicates time and minute.

(24 hours system)

WRF40F

Second Indicates second.

(Lower is 2 digits, Upper is 00)

Sets by system.

(Sets the current time

before the time zone

revision at success of

the time retrieving

from the NTP server.)

－

Table 2.19 Time zone setup for NTP function

Set

value

Time zone

Set

value

Time zone

Set

value

Time zone

H0000 GMT –12:00 H000D GMT H001A GMT +8:00

H0001 GMT –11:00 H000E GMT +1:00 H001B GMT +9:00

H0002 GMT –10:00 H000F GMT +2:00 H001C GMT +9:30

H0003 GMT –9:00 H0010 GMT +3:00 H001D GMT +10:00

H0004 GMT –8:00 H0011 GMT +3:30 H001E GMT +11:00

H0005 GMT –7:00 H0012 GMT +4:00 H001F GMT +12:00

H0006 GMT –6:00 H0013 GMT +4:30 H0020 GMT +13:00

H0007 GMT –5:00 H0014 GMT +5:00 Outside GMT

H0008 GMT –4:00 H0015 GMT +5:30 range

H0009 GMT –3:30 H0016 GMT +5:45

H000A GMT –3:00 H0017 GMT +6:00

H000B GMT –2:00 H0018 GMT +6:30

H000C GMT –1:00 H0019 GMT +7:00

■ Cautionary note

When changing the time zone by the special internal output, the clock data becomes the data after revision after

having seta time zone.

(The set value of time zone is stored on the backup memory. Note that the life of the backup memory gets shorter

if the time zone setup is changed frequently.)

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