Specifications

Q4ARCPU Redundancy
12
■
A61RP Power supply module
■
AS92R System control module
■
A6RAF Bus Switching module
Item Specification
Input voltage 100-120/200-240VAC +10/-15%
Input frequency 50/60Hz +/-5%
Max. input VA 110VA
Inrush current 20A within 8ms
Rated output 5VDC 8A
Over current protection Over 8.8A
Over voltage protection 5.5 to 6.5VDC
Efficiency 65% or better
Power indication LED
Terminal screw size M4
Applicable wire size 0.75 to 2 sq-mm
Allowable power interruption 20ms or less
Withstand voltage 1500VAC 1min.
Power module abnormal signal
External signal (Normally closed relay)
240VAC/24VDC 2A
Features
●
This control module monitors the power supply, the error
status of the CPU, as well as its own error status. It sends
error signals to the A6RAF and opens the corresponding
relay output. It monitors the following:
CPU’s self-diagnostic results
CPU’s operation
AS92R’s self-diagnostic
5VDC power voltage
24VDC power voltage
Power supply failure signal
●
Relays closed in normal conditions are provided to
indicate errors to the external.
●
2 point inputs are provided for general use.
Features
●
A6RAF switches the path accessible to the CPU to the
local I/O rack.
●
Bus switching is carried out when AS92R detects an error,
or when the bus switching switch located on the A6RAF
is triggered.
●
A6RAF has a switch for selecting either Back-up mode or
Separate mode.
●
In the case both CPUs go down, there is a switch on
A6RAF for selecting either Output hold mode or Reset
mode.
●
With A6RAF, it is possible to select which CPU will be the
Hot CPU in the case where power to both CPUs is turned
on at the same time.
Product Model Note
Redundancy Main Base A32RB 2 One Side I/O Slots
Redundancy Main Base A33RB 3 One Side I/O Slots
Power Supply Extension Base for Redundancy A68RB 8 I/O Slots
Power Supply Redundancy Base A37RHB 7 I/O Slots
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