Leds And Connection; Fig. 29 Leds And Connection El1052, El1054 - Beckhoff EL1052 Documentation

Mounting and wiring
4.10

LEDs and connection

Fig. 29: LEDs and connection EL1052, EL1054
LEDs
The following table is assigned to the respective LED number of a channel:
Signal LED Error LED Meaning
off on Error detection: open-loop on channel (I < 200 µA typ.)
off off Usual operation: NAMUR sensor on channel in closed state
("0"; according to IEC 60947-5-6)
on on Error detection: shortcut on channel (I > 7 mA typ.)
on off Usual operation: NAMUR sensor on channel in conducting state
("1"; according to IEC 60947-5-6)
Connection EL1052
Terminal point Description
Designation No.
I1 1 Input Channel 1
Uv1 2 Sensor supply Channel 1
n.c. 3 Not connected
PE 4 PE (internally connected to terminal point 8)
I2 5 Input Channel 2
Uv2 6 Sensor supply Channel 2
n.c. 7 Not connected
PE 8 PE (internally connected to terminal point 4)
Connection EL1054
Terminal point
Designation No.
I1 1
Uv1 2
Uv3 3
I3 4
I2 5
Uv2 6
Uv4 7
I4 8
38
Description
Input Channel 1
Sensor supply Channel 1
Sensor supply Channel 3
Input Channel 3
Input Channel 2
Sensor supply Channel 2
Sensor supply Channel 4
Input Channel 4
Version: 1.1 EL1052, EL1054