A. Digital input 2 (switch day/night). The preset set of parameters can be selected via BUS or via digital. (KL3)
– Day: Pin open or applied voltage 5...50 VDC
– Night: Bridge to GND or applied voltage ‹1 VDC
B. Digital input 3 (switch normal/inverse). The preset effective direction of the integrated controller can be selected via BUS or
via digital input Normal/Inverse. (KL3)
– Normal: Pin open or applied voltage 5...50 VDC
– Inverse: Bridge to GND or applied voltage ‹1 VDC
C. Ground (KL3)
D. Analogue actual value input, 0–10 V (impedance 100Ω). Only to be used as alternative to terminal Ain2 I. (KL3)
E. Supply for external sensor, 20 VDC (+25%/-10%) max. 50 mA (KL3)
F. Analogue actual value input, 4–20 mA (impedance 100 Ω). Only to be used as alternative to terminal Ain2 U. (KL3)
G. Analogue output 0–10 V max. 5 mA, regarding of current motor speed/current motor control factor (KL3)
H. RS485 interface for MOBUS RTU; RS A (KL3)
I. RS485 interface for MOBUS RTU; RS B (KL3)
J. Ground (KL3)
K. Analogue set value input, 0–10 V (impedance 100 Ω). Only to be used as alternative to terminal Ain1 I. (KL3)
L. Supply for external potentiometer, 10 VDC (±3%) max. 10 mA (KL3)
M. Analogue set value input, 4–20 V (impedance 100 Ω). Only to be used as alternative to terminal Ain1 U. (KL3)
N. Digital input 1 (on/off of electronics) (KL3)
– On: Pin open or applied voltage 5...50 VDC
– Off: Bridge to GND or applied voltage ‹1 VDC
O. Alarm relay, make for failure (KL2)
P. Alarm relay, COMMON (2A, 250 VAC, AC1) (KL2)
Q. Alarm relay, break for failure (KL2)
R. Earth (KL2)
S. Mains supply phase L1 (KL1)
T. Mains supply phase L2 (KL1)
U. Mains supply phase L3 (KL1)
V. On (KL1)
W. Off (KL1)
X. Netz Line 3~400 V, 50/60 Hz (5) (KL1)
Y. Netz Line 3~400 V, 50/60 Hz (3) (KL1)
Z. Netz Line 3~400 V, 50/60 Hz (1) (KL1)
12.3.4 Wiring diagrams for DVC-S fans and DVCI-S fans EC
Note:
The wiring diagrams show connection possibilities for different speed control options. The available speed control options are
explained in the list that follows each wiring diagram.
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