RFL IMUX 2000 - Page 79

Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
Micro-
processor
Non-
Volatile
Memory
Front Panel User Interface
CM4 Status and Control Bus
Bus
Switch
A
Bus
Switch
B
Bus B
Bus A
To/From
Channel
Modules
GROUP FUNCTION
ON
OFF
SET
NEXT
RS-232
Serial
Port
Hardware Self-monitoring
Software Self-monitoring
Hardware Status
Software Status
Redundant
Swap
Controller
Watchdog and
Monitoring
To Swap Actuator
On I/O Module
Swap
Bus
Monitoring
Bus
Status
Standby Mode
Module Slot
Identifier
Main/Standby
From Module
Adapter
To/From
other
common
module
From
Comms
Section.
See Fig.
2-9.
From
Comms
Section.
See Fig.
2-9.
Redundanc
y
control settin
g
s
Figure 3-2. Functional block diagram, CM4 Common Module, Redundant Swap Control
IMUX 2000E1 RFL Electronics Inc.
January 23, 2004 3-3 (973) 334-3100