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1.5.2 Number of Mounting Modules
This section describes the number of the DN211 units available on the T2/T2E/T2N and the
instruction execution time when accessing the DN211 from the T2/T2E/T2N.
(1) Number of DN211 Units Available
The number of the DN211 units available on the T2/T2E/T2N system varies depending on the
power capacity of the T2 power module and the current consumption of the entire T2/T2E/T2N
system.
Table 1.5 5Vdc Power/Current consumption
Power module (PS261) 5 Vdc power 2500 mA
(when no external 24 Vdc is used)
T2 CPU module (PU224) 5 Vdc current consumption 800 mA
T2E CPU module (PU234E) with optional card 5 Vdc current consumption 800 mA
T2N CPU module (PU245N) with optional card 5 Vdc current consumption 2000 mA
DN211 5 Vdc current consumption 500 mA
For the T2/T2E:
Number of mounting basic base units: (2500-800) ÷ 500 = 3.4 → 3 units
Number of extended base units: 2500 ÷ 500 = 5 → 5 units
The maximum configuration of the T2 and the T2E is equal to basic base unit × 1 unit + extended
base unit × 3 unit; thus, the number of mounting DN211 units available reaches 18 units.
For the T2N:
Number of mounting basic base units: (2500-2000) ÷ 500 = 1 → 1 unit
Number of extended base units: 2500 ÷ 500 = 5 → 5 units
The maximum configuration of the T2N is equal to basic base unit × 1 unit + extended base unit ×
3 unit; thus, the number of mounting DN211 units available reaches 16 units.
The maximum number of the DN211 units available on your system varies depending on
the number of non-DN211 modules mounted.