ONSPEC is packaged in 7 different sizes: Micro, Mini, Basic, Power, Super, Mega & Ultra). The size of ONSPEC's real-time database or simple data tables are within the following ranges:
- 130 – 16,334 EUR (8 byte real)
- 130 – 16,334 EUI (2 byte integer)
- 130 – 16,334 DII (1 byte digital)
- 130 – 16,334 DOO (1 byte digital)
- 130 – 16,334 FLG (1 byte digital)
- 130 – 16,334 STR (8 byte string)
ONSPEC utilities, including complex data tables, can be configured to support:
- 999 graphic displays
- Tags (limitation is dependent on the ONSPEC table size)
- 8192 Alarms
- 2048 Data Buffers (short term history for Trends)
- 2048 Control Blocks (for faceplates, need Control Pack for control)