Rockwell Automation 1794 FLEX I/O System with ControlLogix for SIL2 User Manual
Page 11

Publication 1794-RM001G-EN-P - December 2011
SIL Policy 1-7
Terminal Base
Units
1794-TB3
3-Wire Terminal Base Unit
A
NA
1794-IN092
NA
1794-TB3S
3-Wire Terminal Base Unit
A
NA
1794-TB3T
Temperature Terminal Base
Unit
A
NA
1794-TB3TS
Spring-clamp Temperature
Base Unit
A
NA
1794-TB3G
Cage-clamp Gen. Terminal
Base Unit
A
NA
1794-TB3GS
Spring-clamp Gen. Terminal
Base Unit
A
NA
1794-TBN
NEMA Terminal Base Unit
A
NA
1794-TBNF
Fused NEMA Terminal Base
Unit
A
NA
(1)
Certain catalog numbers have a K suffix. This indicates a conformally coated version of the product. These K versions have the same SIL2 certification as the non-K
versions.
(2)
The FW versions marked with extension .x (x can be 0 ... 99) are constitute to minor changes for enhancements. The test institute will be informed on any change.
(3)
Users must use these series and firmware revisions for their application to be SIL2 certified. Firmware revisions are available by visiting
(4)
These publications are available from Rockwell Automation by visi
Table 1.1 FLEX I/O Components For Use in the SIL 2 System
Device Type:
Catalog Number:
(1)
Description:
Related Documentation
(4)
with More Information on
Catalog Number:
Series
(2)
Firmware
Revision:
(2)
(3)
Installation
Instructions:
User Manual: