Operating instructions
W3G990-CU28-80
Translation of the original operating instructions
No.
Conn.
Designation
Function/assignment
KL 3
6
Ain1 I
Analog input 1, set value: 4-20 mA, Ri = 100 Ω, adjustable curve, only usable as alternative to input Ain1U;
SELV
KL 3
7
Din1
Digital input 1: enable electronics,
enable: pin open or applied voltage 5-50 VDC
disable: bridge to GND or applied voltage < 1 VDC
reset function: triggers software reset after a level change to < 1 VDC; SELV
KL 3
8
Din2
Digital input 2: Switching parameter sets 1/2, according to EEPROM setting, the valid or used parameter set
can be selected via bus or via digital input DIN2.
Parameter set 1: pin open or applied voltage 5-50 VDC
Parameter set 2: bridge to GND or applied voltage < 1 VDC; SELV
KL 3
9
Din3
Digital input 3: according to EEPROM setting, the integrated controller's direction of action can be selected via
bus or digital input Din3;
normal: pin open or applied voltage 5-50 VDC
inverse: bridge to GND or applied voltage < 1 VDC; SELV
KL 3
11
Ain2 U
Analog input 2, measured value: 0-10 V, Ri = 100 kΩ, adjustable curve, only usable as alternative to input
Ain2I; SELV
KL 3
12
+ 20 V
Fixed voltage output 20 VDC, +20 V +25/-10%, max. 50 mA, short-circuit-proof power supply for external
devices (e.g. sensors); SELV
or: +24 VDC input for parameter setting without line voltage
KL 3
13
Ain2 I
Analog input 2, measured value: 4-20 mA, Ri = 100 Ω, adjustable curve, only usable as alternative to input
Ain2U; SELV
KL 3
14
Aout
Analog output 0-10 VDC, max. 5 mA, output of current motor modulation level / motor speed
adjustable curve; SELV
Item no. 51133-5-9970 · ENU · Change 238019 · Approved 2021-10-14 · Page 11 / 14
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