Schneider Electric Processor Adapter Running while you are setting the bits, Setting, Status Bits

Configuring an M1 CPU with Modsoft

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

The control register (4x) uses its four most significant bits to report status:

Status Bits

Control Register

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

1 = error

1 = All clock values have been set

1 = Clock values are being read

1 = Clock values are being set

Setting the Time

The following table shows how the registers handle time-of-day clock data, where

Bits

register 4x is the first register in the block reserved for the clock:

Register

Data Content

4x

The control register

4x + 1

Day of the week (Sunday = 1, Monday = 2, etc.)

4x + 2

Month of the year (Jan = 1, Feb = 2, etc.)

4x + 3

Day of the month (1...31)

4x + 4

Year (00...99)

4x + 5

Hour in military time (0...23)

4x + 6

Minute (0...59)

4x + 7

Second (0...59)

Continued on next page

870 USE 101 10 V.2 229