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Using a Quantum 984 HSBY System
840 USE 106 00 January 2003 99
User Defined
Option
The User Defined option lets you specify the amount of each reference data type
that you want to be transferred on each scan. If the Transfer Additional State RAM
check box is activated, it allows you to transfer additional data.
User Defined
State RAM
Transfer
Use the State RAM area to define the size of the data range. All of the reference data
that you specify in this area is transferred from the Primary to the Standby controller
on every scan (except the defined nontransfer area). All reference data items must
be 0 or specified in multiples of 16. A minimum of 16 4x registers is required. The
maximum amount of state RAM to be transferred on every scan can be as much as
the total amount of available state RAM (10K, 32K, or 64K, depending on the type
of Quantum controller).
000001
000002
000003
0nnnnn
100001
100002
100003
1nnnnn
300001
300002
300003
3nnnnn
400004
400005
400006
4nnnnn
400001
400002
400003
Outputs transferred
on every scan
Outputs transferred
on every scan
Inputs transferred
on every scan
Inputs transferred
on every scan
Remaining outputs
not transferred
Remaining outputs
not transferred
Remaining inputs
not transferred
Remaining inputs
not transferred