620-1633C CPM has 8K of user memory words. 620-1633C, and 620-3632 LCs do not support redundancy.
- Data Register Address Range - 4096 to 8191
- I/O Register Address Range - 0 to 1023 (on/off delay timers)
- Maximum Timers/Counters - max. of 2048 counters and retentive timers, or 1024 on/off delay timers.