VS
5.2 Analog outputs
07.94
1-118
Siemens AG 1997 All Rights reserved
SIMODRIVE 611A Installation and Start–Up Guide/IAA/–04.97 Edition
Table 5-9 Reducing the proportional gain with pot. R45 and the influence of pot. R25 on the
parameter board, reduction of Kp in %
Pot. R45
0 1 2 3 4 5 6 7 8 9 10
Potentio
left 33.1 29.5 26.3 23.3 20.4 17.5 14.6 11.5 8.2 4.5 0.1
Potentio-
meter R25
center 90.9 89.4 87.8 85.9 83.7 81 77.5 72.4 64.4 48.7 1.5
meter R25
right 95.1 94.3 93.3 92.3 90.9 89.3 87 83.7 77.9 65 2.8
Table 5-10 Lowest speed before controller and pulse inhibit (braking to n
off
for terminal 64/65
→ pulse cancellation) via potentiometer R1
0 1 2 3 4 5 6 7 8 9 10
n
off
as a %
of n
max
0.34 0.47 0.61 0.74 0.88 1.02 1.15 1.29 1.42 1.56 1.69
Table 5-11 Drift compensation via potentiometer R96 for n
set
= 0
Potentiometer R96
Control range 30 mV
Analog outputs
Function Terminal Boundary condition
Speed actual value Term.75 Non–normalized speed actual value as for
test socket ”X”
Power display
(utilization)
Term.162 jM/Pj display (as supplied) Fig. 5–5, display-
jM/Pj , Table 5–6, Normalization
Current actual value Term.162 jI
act
j display by changing–over components
(Table 5–8, settings via fixed values)
[]
n
act
M/P display
I
act
= I
max
t
M display P display
MP
M
max
P
max
/
Fig. 5-5 M/Pjdisplay
J
Feed modules (VS)
04.97
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