Function Diagrams
Voltage Sensing Module (VSM)
2-1416
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
Figure 2-281 9886 – Temperature evaluation
- 9886 -
Function diagram
87654321
fp_9886_01_eng.vsd
SINAMICS S
08.06.07 V02.05.00
X520.5
X520.6
Hardware
smoothing 1 s
Overtemperature alarm threshold
0...301 [°C]
p3667[0] (150)
r3664.1
r3664.0
Software smoothing 0.5 s
2 mA
KTY/PTC
Temperature sensor
-50 °C
0
1
1
2
Sensor type
p3665 (0)
PTC resistor
threshold 1650 Ohm
T
R
1
0
250 °C
KTY
PTC
248 °C
-140 °C
A
D
Resistance
calculation
+
-
+ temp
- temp
Overtemperature fault threshold
0...301 [°C]
p3668[1] (180)
Sensor type
p3665 (0)
<1>
<1> p3665
= 0: No sensor
= 1: PTC
= 2: KTY
Voltage Sensing Module (VSM) - Temperature evaluation
DO: A_INF, S_INF, VECTOR
<1>
A34211
"Temperature alarm threshold exceeded"
F34207
"Temperature fault threshold exceeded"
r3666
Temperature KTY
<2> A fault or alarm in the temperature evaluation of the VSM is communicated to the downstream evaluation using special temperature values.
4000.00 µs
<3> As a result of the wire breakage monitoring the maximum temperature that can be measured is limited to approx. 175 °C.
0
1
0
1
Overtemperature hysteresis
p3669
Alarm A35920
temperature sensor evaluation
<2>
Alarm is not present
Alarm is present
-300 °C
<4> A value > 250 °C de-activates the alarm or fault.
<3>
<4>
<4>
Sensor resistance
[9887.1]
<5> Can only be used with chassis infeeds.
<5>
<6> The VECTOR drive object is assigned a dynamic index (p0150).
<6>
<6>
<6>
<6>
<6>
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