Operating instructions
A3G990-AW30-55
Translation of the original operating instructions
4.5 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
Function/assignment
KL1
1
L1
Supply connection, power supply; for nominal voltage range see technical data
KL1
2
N
Supply connection, power supply; for nominal voltage range see technical data
PE
PE
Ground connection, PE connection
KL2
1
NO
Status relay, floating status contact, make for failure
KL2
2
COM
Status relay, floating status contact, changeover contact, common connection, contact rating 250 VAC/max. 2
A (AC1)/min. 10 mA
KL2
3
NC
Status relay, floating status contact, break for failure
KL3
1
RSA
Bus connection RS485, RSA, MODBUS-RTU; SELV
KL3
2
RSB
Bus connection RS485, RSB, MODBUS-RTU; SELV
KL3
3
GND
Reference ground for control interface; SELV
KL3
4
Ain1 U
Analog input 1, set value: 0-10 V, Ri = 100 kΩ, adjustable curve, only usable as alternative to input Ain1 I;
SELV
KL3
5
+ 10 V
Fixed voltage output 10 VDC, + 10 V +/-3%, max. 10 mA, short-circuit-proof, power supply for ext. devices
(e.g. potentiometers); SELV
KL3
6
Ain1 I
Analog input 1, set value: 4-20 mA, Ri = 100 Ω, adjustable curve, only usable as alternative to input Ain1 U;
SELV
Item no. 51910-5-9970 · ENU · Change 209539 · Approved 2021-02-09 · Page 9 / 13
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