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8.13.2 Blockschaltbild
Front panel
LP-FILTER
fg=20kHz
p Cylinder In A
2nd order
Ue= -10...10V
LP
BNC/BP_A
A1
p Cylinder In B
Ue= -10...10V
BNC/BP_B
LP-FILTER
A2
fg=20kHz
pmax Out A
2nd order
UchApav
LP
pmax Out B
UchBpav
Error
red
p Inlet
Stop
red
pm ax A red
alternative
pm ax B red
pm in A yellow
pm in B yellow
UchApav
UchBpav
1
pmax Out A
9
+24V
pmax Out B
2
24V
+24V
DisableCM2
10
DisableCM2
3
AGND
AGND
Channel C
11
p Inlet
4
Common Alarm
Common Alarm
MinChA
12
MinChA
5
MaxChA
MaxChA
MinChB
13
MinChB
6
MaxChB
MaxChB
Stop1
14
Stop1
7
DisableCM1
DisableCM1
Stop2
15
Stop2
8
EGND
EGND
I/O
Bild 98: Blockschaltbild des pMax Moduls
Seite 142
voltage divider
SC-LP-FILTER
LP-FILTER
shifter
fg=5/10kHz,off
fg=20kHz
5th order Bessel
2nd order
5:1
10:1
LP
LP
f clk
voltage divider
SC-LP-FILTER
LP-FILTER
shifter
fg=5/10kHz,off
fg=20kHz
5th order Bessel
2nd order
5:1
10:1
LP
LP
f clk
LP-FILTER
voltage divider
fg=20kHz
2nd order
LP
BNC/BP_C
A3
/Disable TimeOut
+3,3V
Emergency
Signal Conditioning Platform (SCP)
Microcontroller
CANRX
PMAXA
CANTX
Ts=1/Cy cle
ADC1
Peak/Hold
Reset
PMINA
12 Bit
ADC2
DAC
Peak/Hold
ADC3/ Ts=0,1ms
PMAXB
Ts=1/Cy cle
ADC4
Peak/Hold
Emergency
Reset
PMINB
12 Bit
ADC5
DAC
Peak/Hold
ADC6/ Ts=0,1ms
12BIT/100kHz
A
D
shifter
/Disable TimeOut
5:1
10:1
ADC7/ Ts=10ms
+5V
/MaxChB
/MinChB
/MaxChA
/MinChA
SCP Bus
CAN
0 ... 5V
0 ... 10V
-8 ... 10V
-10 ... 10V
UchApav
MaxChA
A1
MinChA
MaxChB
A2
MinChB
A3
Error
0 ... 5V
0 ... 10V
-8 ... 10V
UchBpav
-10 ... 10V
+24V
EEPROM
+5V
EGND
+15V
-15V
4.4.2007 EE/Le
2853A_002-291d-08.17
CAN_H
CAN_L
UchApav
Pin14
Pin15
COMAnalog1
UchBpav
+24V
EGND
+5V
DGND
+15V
AGND
-15V
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