Operating instructions
R3G450-PA21-C1
Translation of the original operating instructions
4.5 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
Function/assignment
KL 1
1
L1
Supply connection, power supply; for nominal voltage range see technical data
KL 1
2
L2
Supply connection, power supply; for nominal voltage range see technical data
KL 1
3
L3
Supply connection, power supply; for nominal voltage range see technical data
PE
PE
PE
Ground connection, PE connection
KL 2
1
NO
Status relay, floating status contact, make for failure
KL2
2
COM
Status relay, floating status contact, common connection, contact rating 250 VAC / 2 A (AC1) / min. 10 mA,
reinforced insulation on supply side and on control interface side
KL2
3
NC
Status relay, floating status contact, break for failure
KL 3
1
RSA
Bus connection RS485, RSA, MODBUS-RTU; SELV
KL 3
2
RSB
Bus connection RS485, RSB, MODBUS-RTU; SELV
KL 3
3 / 10
GND
Reference ground for control interface; SELV
KL 3
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
KL 3
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
Item no. 55929-5-9970 · ENU · Change 222313 · Approved 2020-09-22 · Page 10 / 15
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · [email protected] · www.ebmpapst.com