National Instruments 9512 C Series, Getting Started

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14 | ni.com | Getting Started with NI 9512 and P7000 Drives
sizing software. If you do not know your inertia ratio, set the DIP switches to OFF for a
load-to-rotor inertia ratio of 0–1.
Table 7 lists the load inertia switch settings.
Table 7. Load Inertia DIP Switch Settings
Load-to-Rotor
Inertia Ratio S2–5 S2–6 S2–7
0–1 OFF OFF OFF
1–1.5 ON OFF OFF
1.5–2.5 OFF ON OFF
2.5–5.0 ON ON OFF
5.0–7.0 OFF OFF ON
7.0–12.0 ON OFF ON
12.0–20.0 OFF ON ON
20.0–32.0 ON ON ON
5
O
F
F
6
O
F
F
7
O
F
F
5
O
N
6
O
F
F
7
O
F
F
5
O
F
F
6
O
N
7
O
F
F
5
O
N
6
O
N
7
O
F
F
5
O
F
F
6
O
F
F
7
O
N
5
O
N
6
O
F
F
7
O
N
5
O
F
F
6
O
N
7
O
N
5
O
N
6
O
N
7
O
N