Requirements For The Supply Unit - Endress+Hauser IO-Link Dosimag Operating Instructions Manual

Electrical connection
26
+
E
-
 6 Connection to device
A Coupling: Supply voltage, pulse/freq./switch output
B Connector: Supply voltage, pulse/freq./switch output
E PELV or SELV power supply
1 to Pin assignment
8
Pin assignment
Pin Assignment
1 L+ Supply voltage
2 + Service interface RX
3 + Service interface TX
4 L- Supply voltage
5 Not used
6 – Pulse/frequency/switch output DQ
7 – IO-Link communication signal C/Q
8 – Service interface GND
The pin assignment deviates from the IO-Link standard to enable compatibility with
previous device versions and installations.
7.2.4

Requirements for the supply unit

Supply voltage
DC 24 V (nominal voltage: DC 18 to 30 V)
• The power unit must be safety-approved (e.g. PELV, SELV).
• The maximum short-circuit current must not exceed 50 A.
RSE 8
M12x1
A B
2 2
8
3 3
1
4 4
7
6
5 5
A B
1
2
3
4
5
6
7
8
Connection: Coupling (A) – Connector (B)
Dosimag IO-Link
8
1
7
6
Endress+Hauser
A0053318