Product specifications
 About This User Manual Applicable Specifications
3BSE036351-510 A 27
Applicable Specifications
EUROPEAN UNION DIRECTIVE COMPLIANCE
Units mentioned in this document for which the product is marked with the 
logo comply with the electromagnetic compatibility directive 89/336/EEC and 
the low-voltage directive 73/23/EEC. See Appendix D, Directive Considerations.
UL LISTING
Units mentioned in this document are UL listed if the product is marked with the UL 
logo.
 indicates UL approval for the USA, and   for both Canada and 
the USA. The logo   indicates UL approval for Canada only. 
The applied standard is UL508, Industrial Control Equipment. Units approved for 
use at hazardous locations also comply with the standard UL60079-15. To fulfill the 
RCU Link RCU Link Cable transfers data between Primary and 
Back-up CPU. The two CPUs are connected to the RCU 
Link Cable. An RCU Link Terminator is used on the RCU 
Link Connector in single CPU configuration.
Remote I/O Input/Output units connected to a controller via a 
fieldbus.
SELV  Safety Extra Low Voltage (power supply). 
SIL Safety Integrity Level
10BaseT 10 Mbit Ethernet according to IEEE 802.3
100BaseTX 100 Mbit electrical Ethernet IEEE 802.3
Table 1. Terminology (Continued)
Term/Acronym Description










