Rockwell Automation 1794-XXXX FLEX I/O High-Density Analog Modules - Manual (Page 49)

41 Publication 1794-UM062A-EN-P - September 2012
Appendix B
Differences Between Series
Overview The following lists major differences between series A and series B of your
FLEX I/O analog modules.
.
Differences Between Series A and Series B
Catalog Number Description Series A Series B
1794-IE8
1794-OE4
1794-IE4XOE2 Power Up bit in Read
Word None This bit is set when all bits in the
configuration register are 0
unconfigured state).
Change to range selection
tables No off position available. Module
produces either 2V or 4 mA, depending
on the range selected, until module is
configured. Off position now produces 0V or 0 mA
depending on the range selected, until
module is configured.
Specifications
1794-OE4 Output current terminal 4 mA output until module is configured
4…20 mA user configurable
0…20 mA user configurable 0 mA output until module is configured
4…20 mA user configurable
0…20 mA user configurable
Output voltage terminal 2V output until module is configured
±10V user configurable
0…10V user configurable 0 V output until module is configured
±10V user configurable
0…10V user configurable
1794-IE4XOE2 Output current terminal 4 mA output until module is configured
4…20 mA user configurable
0…20 mA user configurable 0 mA output until module is configured
4…20 mA user configurable
0…20 mA user configurable
Output voltage terminal 2V output until module is configured
±10V user configurable
0…10V user configurable 0 V output until module is configured
±10V user configurable
0…10V user configurable
1794-IE8
1794-OE4
1794-IE4XOE2 Agency Certification
(when product or
packaging
is marked)
•CSA certified
•CSA Class I, Division 2, Groups A, B, C,
D certified
•UL listed
•CSA certified
•CSA Class I, Division 2, Groups A, B, C, D
certified
•UL listed
•CE marked for all applicable directives