C200HW-PA204C Omron, C200HW-PA204C Datasheet - Page 4

• Manufacturer Part Number: C200HW-PA204C
• Description: Power Supply
• Manufacturer: Omron

Specifications of C200HW-PA204C

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

4
Maintenance Forecast Monitor Function
PLC Power Supply Units are equipped with electrolytic
capacitors. The electrolyte inside the capacitor
penetrates the rubber seal and evaporates over time
starting the day the capacitor is manufactured. This
causes characteristics, like the capacitance, to decline
and leads to deterioration of Power Supply Unit
performance over time.
The maintenance forecast monitor function tracks the
internal temperature of the PLC Power Supply Unit
when power is supplied. It calculates deterioration of
the electrolytic capacitor based on operating time and
internal temperature. The function tells you the
N
ote
P
F
Specifications
Replacement
monitor display
Alarm output
(maintenance
forecast monitor
output)
Test Key
maintenance
function
M
Monitor
display (7-
segment,
red)
C200HW-PA204C
unctions
rinciple of
: The Power Supply Unit must be stored at an ambient temperature of –25 to 30˚C and a humidity of 25% to 70% to maintain the maintenance forecast monitor
aintenance
function when the Unit is stored without power supplied for more than three months.
O
Description
•
•
Three 7-segment LEDs indicate the time
remaining until recommended replacement
of the Power Supply Unit.
• When the product is purchased, FUL will
• If the time remaining until recommended
The alarm stays ON until the time
remaining until recommended replacement
reaches 0.5 years. It turns OFF when the
time remaining falls below 0.5 years.
N
output are as follows:
• The AC input to the Power Supply Unit is turned
• The self-diagnosis function detects an error.
• The TEST Key is pressed and held for at least 3 s.
• TEST Key maintenance function
peration
OFF.
Press and hold the TEST Key for 3 seconds or longer to display "A02" and turn OFF the alarm.
Release the key to return to normal status. The TEST Key is used to initially and periodically check the status of the alarm output
as well as external connections.
Press the TEST Key for up to 3 seconds to display the version number of the Power Supply Unit.
F
be displayed. As the electrolytic capacitor
deteriorates, the display changes to HLF.
replacement is less than two years, the
monitor display shows decreasing values
over time of "1.5," "1.0," "0.5," and finally
"0.0" alternating with "A02," as shown on
the right. The monitor display alternately
displays "0.0" and "A02" at 2-s intervals
when the time remaining until
replacement falls below 0.5 years (6
months).
ote
orecast
: Other conditions that turn OFF the alarm
C200HW-PA204C
TEST
M
POWER
Years
onitor
F
POWER indicator
(green)
Alarm output
(maintenance forecast
monitor output)
TEST Key
unction
M
Capacity
at replace-
ment
odule
Initial
capacity
Reference Information
Alarm output example: Creating a Non-fatal Error when a Unit Needs to be Replace
Alarm output
A timer is used to delay execution of the FAL instruction to allow for the delay in
the alarm output turning ON at startup. The FAL instruction does not create an
error while the alarm output is ON (i.e., during normal operation), but creates a
non-fatal error in the CPU Unit when the alarm output turns OFF (i.e., when Unit
replacement is required).
(maintenance forecast monitor output)
Capacity of
capacitor
CJ1W-PA205C
Monitor
display (7-
segment,
red)
OFF
ON
approximate time left until the deterioration of
electrolytic capacitor characteristics leads to a decline in
Power Supply Unit performance, and it outputs an
alarm when the estimated remaining service life of the
Unit falls below six months. Use this function to gauge
when the PLC Power Supply Unit should be replaced.
N
approximates when the Power Supply Unit should be replaced
based on electrolytic capacitor deterioration. It does not predict
failures due to other factors.
ote
Alarm output
: The maintenance forecast monitor function only
T000
Monitor display
(7-segment)
Alarm turns OFF when less than 0.5 years remains.
Alarm output
TIM000, 5 s
FAL
ALARM
OUTPUT
DC30V,50mA
NORMAL:ON
ALARM :OFF
CJ1W-PA205C
Instruction to create non-fatal error
2.0 yr
L
+
TEST
POWER
Years
1.5 yr
When the time remaining until recommended
replacement falls below 0.5 years, the alarm turns
OFF and the following are alternately displayed.
1.0 yr
POWER indicator
(green)
Alarm output
(maintenance forecast
monitor output)
TEST Key
Alarm output
(maintenance forecast
monitor output) (wiring
diagram)
0.5 yr
Output
OFF
0 yr
Time
remaining until
recommended
replacement