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1
3
2
3
15 V
I max. = 10 mA
2
12 V
1
100 % PWM
n = max.
10 % PWM
n = min.
<10 % PWM
n = 0
Fig. 14:
Connection diagram 3245
Max. speed (as delivered)
1
Adjustable speed
2
No.
Connection
CON10
L
CON11
N
CON12
PE
1
GND
2
0...10 V/PWM
3
+10 V
4
Speed
Tab. 15:
Explanations to fig. 14
Rittal fan-and-filter unit assembly and operating instructions
2
2
CON10
1 – 10 V
CON11
1
10 V
n = max.
CON12
1 V
n = min.
<1 V
n = 0
4
3
2
10 K
1
Function/Assignment
Power supply 200...240 V AC, 50...60 Hz
Neutral conductor
PE conductor
GND connection of the control interface
Control input 0...10 V or PWM, galvanically isolated, impedance 100 kΩ
Voltage output 10 V max. 1.1 mA, galvanically isolated, not short circuit-protected
Speed output Open Collector, 1 pulse per revolution, galvanically isolated
Connection diagrams
Interface
L
1.6 AT
N
PE
PE 1
+10 V
3
I max. = 1.1 mA
10 V/PWM
2
47 k
GND
1
Speed
4
680 R
Adjustable speed via PWM 1 – 10 kHz
3
Adjustable speed via potentiometer
4
Fan/motor
AC 1
P
AC 2
N
1
2
47 k
1 uF
3
1
4
2
ZMM 47
EN
3
4
19
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