Rockwell Automation 1794-ASB/E Remote I/O Adapter Module User Manual - Manual (Page 61)

Appendix
B
Publication 1794ĆĆUM009D-EN-P - April 2004
Differences Between Remote
I/O Adapter Series A, B, C, D
and E
Major differences between adapter series are indicated in the
following table.
Series A Series B Series C Series D Series E
Processor compatibility Can be used with PLCĆ2 processors Cannot be used with PLCĆ2 processors
Standard Mode - Analog
module removal under
power
Block transfers continue
when ablock transfer
module is removed from
its base.
Ceases to do block transfers and a block transfer bit is set when a block transfer
module is removed from the chassis. This error bit provides feedback to the
processor that a block transfer module has been removed.
Local Fault Indication Local Fault Indicator only
With Rack Fault Select enabled, local fault indication sent to
scanner, and local fault indicator lighted. With Rack Fault
Select disabled, local fault indicator lights.
Addressing
No complementary addressing
Three modes of addressing:
Standard Compact and
Five modes of
addressing:
Standard, Compact,
Addressing
Standard mode of addressing only
Standard, Compact, and
Complementary
Complementary,
Standard 32, and
Complementary 32
Hold Inputs
When hold inputs is
enabled, the adapter
retains the last memory
image present when a
module is removed from
the terminal base.
The hold inputs feature applies only to digital modules. When hold inputs is enabled,
the adapter retains the last memory image present when a digital module is removed
from the terminal base. This feature does not apply to analog modules. If you
need this feature for analog modules, you must simulate it in your programming.
European Union
Directives Compliance
Does not comply with
European Union
Directives. NO CE mark.
Complies with European Union Directives. Has CE mark.
Module Removal and
Insertion Under Power
(RIUP)
Always enabled.
No module removal and insertion under power when Rack
Fault Select is enabled.
Recognize 1793 Integra
analog modules
Cannot recognize 1793 Integra analog modules
Can recognize 1793 Integra analog
modules