El3312 - Connection - Beckhoff EL33-00 Series Documentation

4.13.2

EL3312 - Connection

Fig. 49: EL3312
Earthed thermocouples
Observe for earthed thermocouples: Differential inputs max. ± 2 V to ground!
Current carrying capacity of the input contacts
The maximum permitted current on the signal-relevant terminal points (inputs, GND) is 40 mA (if ap-
plicable).
EL3312 - Connection
Terminal point No.
Input +TC1 1
Input +TC2 2
GND 3
Shield 4
Input -TC1 5
Input -TC2 6
GND 7
Shield 8
EL33xx-00x0
Comment
Input +TC1
Input +TC2
Ground (internally connected with terminal point 7)
Shield (internally connected to terminal point 8)
Input -TC1
Input -TC2
Ground (internally connected with terminal point 3)
Shield (internally connected to terminal point 4)
Version: 4.2
Mounting and wiring
65