Electrical Installation; Connection Diagram; Switch And Pulse Outputs Internal Circuit - E+E Elektronik EE741 Series User Manual

5

Electrical Installation

The electrical installation of the EE741 shall be performed by qualified staff only. Observe all
applicable national and international requirements for the installation of electrical devices as well
as power supply according to EN 50178, SELV, PEL.
5.1

Connection Diagram

Fig. 12 M12 connector
4 3
1 2
M12 connector on
the sensing unit
5.1.1

Switch and Pulse Outputs Internal Circuit

Switch and pulse outputs are NOT potential-free and include internal pull-down resistors (Fig. 13).
V+
GND
Fig. 13 Switch/pulse output
User Manual EE741 Inline Flow Sensor for Compressed Air and Gases
M12 4 pole connector according to
IEC 61076-2-101
Analogue/switch/
pulse output Modbus RTU
1...V+ 1...V+
2...RS485 A (=D+)
2...Output 1
3...GND 3...GND
4...Output 2 4...RS485 B (=D-)
OUT 1
OUT 2
10k 10k
GND
M-Bus IO-Link
1...V+ 1...V+ (L+)
2...M-Bus 2...NC
3...GND 3...GND (L-)
4...M-Bus 4...CQ
15