Service Life; Decommissioning; Fig. 181 Unique Serial Number Of A Twinsafe Terminal - Beckhoff TwinSAFE EL6910 Operation Manual

4.21

Service life

The TwinSAFE terminals are designed for a service life of 20 years.
Due to the high diagnostic coverage within the lifecycle no special proof tests are required.
The TwinSAFE terminals bear a date code, which is composed as follows:
Date code: CW YY SW HW
Legend:
CW: Calendar week of manufacture
YY: Year of manufacture
SW: Software version
HW: Hardware version
In addition the TwinSAFE terminals bear a unique serial number.
Fig. 181: Unique serial number of a TwinSAFE terminal
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Decommissioning

Serious risk of injury!
Bring the bus system into a safe, de-energized state before starting disassembly of the devices!
Disposal
In order to dispose of the device, it must be removed and fully dismantled.
• Housing components (polycarbonate, polyamide (PA6.6)) are suitable for plastic recycling.
• Metal parts can be sent for metal recycling.
• Electronic parts such as disk drives and circuit boards must be disposed of in accordance with national
electronics scrap regulations.
EL6910
Sample: Date Code 17 11 05 00
Calendar week: 17
Year: 2011
Software version: 05
Hardware version: 00
DANGER
Version: 1.8.0
Operation
131