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This Technical Note describes performance (scan time) of the different complexity TelePACE Ladder Logic programs on the SCADAPack 32 (5232 controller), SCADAPack2 (5209 controller) and SCADAPack (5203 controller).

Test Results

These results show that the improvement of TelePACE performance on the SCADAPack350 controller, comparing to SCADAPack, controller is most dependent on the following items in the ladder logic program:

  • Amount of I/O;
  • Amount of floating point functions: - the more there are, they more significant the performance improvement.
CONTROLLER TYPE Format:

TelePACE program scan times (mS)
(improvement over standard SCADAPack)
  Program with default I/O only. Program with 1000 NO contacts, no I/O Medium program all FP numb. no I/O Large program no FP numbers no I/O
SCADAPack 32 2.7
(5)
3.0
(34)
8.3
(86)
12.7
(33)
SCADAPack350 10.9
(1.2)
26.2
(3.9)
67.6
(10.5)
116
(3.6)
SCADAPack 13.4 102 714 417