Electrical Connection; Connecting The Device - ACS Vibrocont SHM-300 Bedienungsanleitung

6 6

Electrical connection

Electrical connection
The device has two operating modes: maximum safety (MAX) and minimum safety (MIN). By The device has two operating modes: maximum safety (MAX) and minimum safety (MIN). By
choosing the corresponding operating mode, the user ensures that the device also switches in choosing the corresponding operating mode, the user ensures that the device also switches in
a safety-oriented manner even in an alarm condition, e.g. if the power supply line is a safety-oriented manner even in an alarm condition, e.g. if the power supply line is
disconnected. disconnected.
• Maximum safety (MAX) • Maximum safety (MAX)
The device keeps the electronic switch closed as long as the liquid level is below the fork. The device keeps the electronic switch closed as long as the liquid level is below the fork.
Sample application: overfill prevention Sample application: overfill prevention
• Minimum safety (MIN) • Minimum safety (MIN)
The device keeps the electronic switch closed as long as the fork is immersed in liquid. The device keeps the electronic switch closed as long as the fork is immersed in liquid.
Sample application: Dry running protection for pumps Sample application: Dry running protection for pumps
The electronic switch opens if the limit is reached, if a fault occurs or the power fails The electronic switch opens if the limit is reached, if a fault occurs or the power fails
(quiescent current principle). (quiescent current principle).
6.1 6.1

Connecting the device

Connecting the device
In accordance with IEC/EN61010 a separate circuit breaker must be provided for the In accordance with IEC/EN61010 a separate circuit breaker must be provided for the
device . device .
6.1.1 6.1.1 Electronic version 3-wire DC-PNP Electronic version 3-wire DC-PNP
Voltage source: non-hazardous contact voltage or Class 2 circuit (North America) Voltage source: non-hazardous contact voltage or Class 2 circuit (North America)
M12 connector M12 connector
Depending on the analysis of the switch outputs, the device works in MAX oder MIN mode. Depending on the analysis of the switch outputs, the device works in MAX oder MIN mode.
Electrical connection Electrical connection
M12 connector M12 connector
Yellow LED (ye) not lit Yellow LED (ye) not lit
Yellow LED (ye) lit Yellow LED (ye) lit
K K external load external load
Endress+Hauser Endress+Hauser
ACS-CONTROL-SYSTEM GmbH l Lauterbachstr. 57 l D-84307 Eggenfelden l www.acs-controlsystem.de l info@acs-controlsystem.de
2 2
3 3
K K
A0022901 A0022901
Operating mode Operating mode
MAX MAX
1 1
4 4
0.5A 0.5A
L– L+ L– L+
A0022858 A0022858
1 1 2 2
1 1 2 2
A0021416 A0021416
MIN MIN
2 2 1 1
4 4
3 3
0.5A 0.5A
K K
L+ L+
L– L–
A0022859 A0022859
1 1 4 4
1 1 4 4
A0021417 A0021417
55 55
55