Bit 6 - Slave Line 2 As Minute Or Second Line; Bit 5 - Summertime/Wintertime Changeover - hopf 7406RC Technical Manual

A
DMINISTRATION OF THE
6.2.2 Bit 6 – Slave Line 2 as Minute or Second Line
For pole-changing pulse operation.
In this mode the two lines of Board 7406RC are controlled as either:

2 separate minute lines or

1 minute and 1 second lines (for clocks with separate second line)

Bit 6 = 1
Both lines are used to control minute slave clock chains.

Bit 6 = 0
nd
The 2 line of the Board is used to control the seconds' line.

6.2.3 Bit 5 - Summertime/Wintertime Changeover

For pole-changing pulse operation.
This function defines the behaviour of the lines on ST/WT changeover.

Bit 5 = 0
The minute lines wait 1 hour after the changeover from summertime to wintertime.
The line is re-set on changeover from wintertime to summertime.

Bit 5 = 1
The minute lines are always re-set after the ST/WT changeover.
18 / 27
hopf
Elektronik GmbH
Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: info@hopf.com
B 7406RC
OARD
2 independent minute slave lines
The Board occupies two line numbers in the system.
1 minute line and 1 second line
With this setting Board 7406RC occupies only one common line number in
the system.
1 hour - stop (1h) on ST  WT changeover
In order to prevent a data overrun, this function is automatically activated for
the minute lines in 24 hour operation, irrespective of the parameter byte
settings.
Updating (11/23 h forerun) on ST  WT
7406RC Slave Clock Control Board for System 7001RC - V02.03