Fig. 1 Elx2008-0000 With Date Code 2519Hmhm, Btn 0001F6Hd And Ex Marking - Beckhoff ELX3312 Operating Manual

Foreword
Beckhoff Traceability Number (BTN)
In addition, each ELX terminal has a unique Beckhoff Traceability Number (BTN).
Ex marking
The Ex marking can be found at the top left on the terminal:
II 3 (1) G Ex ec [ia Ga] IIC T4 Gc
II (1) D [Ex ia Da] IIIC
I (M1) [Ex ia Ma] I
IECEx BVS 18.0005X
BVS 18 ATEX E 005 X
Examples
Fig. 1: ELX2008-0000 with date code 2519HMHM, BTN 0001f6hd and Ex marking
ELX3312 and ELX3314 Version: 1.3.0 9