Momentum Modbus Plus 170 PNT Series Guia do Utilizador Página 175

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Configuring an M1 CPU with Modsoft
870 USE 101 00 V.2.2
163
Setting the Time,
Continued
Option 2
Go online and set the register values individually, using the following guidelines and
procedure for setting the status bits and setting the time bits. The CPU must be
running while you are setting the bits.
Setting the
Status Bits
The control register (4
x
) uses its four most significant bits to report status:
Setting the Time
Bits
The following table shows how the registers handle time-of-day clock data, where
register 4
x
is the first register in the block reserved for the clock:
Continued on next page
Control Register
1514131211109876543210
1 = error
1 = All clock values have been set
1 = Clock values are being read
1 = Clock values are being set
Register Data Content
4
x
The control register
4
x
+ 1 Day of the week (Sunday = 1, Monday = 2, etc.)
4
x
+ 2 Month of the year (Jan = 1, Feb = 2, etc.)
4
x
+ 3 Day of the month (1...31)
4
x
+ 4 Year (00...99)
4
x
+ 5 Hour in military time (0...23)
4
x
+ 6 Minute (0...59)
4
x
+ 7 Second (0...59)
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