Schneider Electric Processor Adapter - Manual (Page 227)

Configuring an M1 CPU with Modsoft
870 USE 101 10 V.2 227
Setting up the Time-of-Day Clock, Continued
Reserving
Registers for the
TOD Clock,
Continued
Next Step Setting the time.
Step Action
3 Enter a number (the first in a series of eight) in the range of available 4 xxxx
references.
Example: If you want registers 400100...400107 reserved for the TOD clock,
enter 100.
4 Push .
Result: The reference value you specified and the seven that follow it are now
reserved for TOD clock data.