K8AC-CT20S Omron, K8AC-CT20S Datasheet - Page 13

• Manufacturer Part Number: K8AC-CT20S
• Description: CURRENT TRANSFORMER .2-22A
• Manufacturer: Omron
• Series: K8ACr

Specifications of K8AC-CT20S

• Accessory Type: Current Transformer
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: K8ACCT20S

Nomenclature
Nomenclature and Operations
K8AC-H2@@@-FLK
Alarm Indicator
Note: 1. As soon as the cause of an alarm is removed, the alarm is
priority
Order
of
1
2
3
4
5
6
2. If multiple alarms occur simultaneously, the one with the
3. If the mode is changed to Adjust or Set Mode while an alarm
reset automatically.
highest priority is displayed.
is in effect, the alarm output is reset and the ALM and SSR
indicators turn OFF.
Heater burnout 1
Heater burnout 2
SSR open circuit
SSR short circuit
Heater layer
short circuit 1
Heater layer
short circuit 2
Alarm
Main display
area
7-segment
characters
Operation
indicators
Mode key
Down key
Level key
Shift key
display
hbt1
hbt2
ssro
ssrs
hrs1
hrs2
Up key
K8AC-H1@@@-FLK
ALM
indicator lit
ALM
indicator lit
SSR
indicator lit
SSR
indicator lit
ALM
indicator lit
ALM
indicator lit
indicator
LED
CT1 heater
burnout detected.
CT2 heater
burnout detected.
SSR open circuit
detected (when
heater current
cannot be
detected with
temperature
control gate
output ON).
SSR short circuit
detected (when
heater current is
detected with
temperature
control gate
output OFF).
CT1 overcurrent
detected.
CT2 overcurrent
detected.
Alarm contents
s
* Check the specific status using the alarm display parameters on the
Processing Value Display Ranges and Functions
*1. The decimal point position depends on the input type.
*2. If the display is below 0100, the bar display “----” will be shown.
Main display
Oper-
ation
indi-
cators
Up key
Down key
Shift key
Mode key
Level key
Heater 1
current
Heater 2
current
Processing
value name
main display.
K8AC-H@1@@: 0.100 to 2.300
K8AC-H@2@@: 1.00 to 23.00
K8AC-H@3@@: 10.0 to 230.0
Name
RUN (Mea-
surement
operation)
ADJ
(Adjust)
SET (Set)
GATE
(Gate)
SSR
(SSR error)
*
ALM
(Alarm) *
characters
Display
ct 1
ct 2
Displays processing values, parameter characters,
and set values.
Lights when the power is turned ON and the
measurement operation is in progress.
OFF at all other times.
Lights while in Adjust Mode.
Flashes while in Test Mode.
OFF at all other times.
Lights while in Set Mode.
OFF at all other times.
Lights or turns OFF according to gate input status.
Gate pulse:
Gate signal (4 to 20 mA):
Lights when an SSR error occurs (open or short
circuit).
OFF when SSR is normal.
Lights for heater burnout or overcurrent.
OFF at all other times.
Increments a set value when the set value is in
change status.
Decrements a set value when the set value is in
change status.
Used to check set values while parameters are
displayed, and to put set values in change status.
Used to shift the set value digit when the set value is
in change status.
Used to switch the displayed parameter.
Used to change the level.
Lights for high voltage pulse; OFF for low
voltage pulse.
Lights for 4 mA or over; OFF for less than 4 mA.
Display
0100 to
0100 to
range
2300
2300
*1
*2
*1
*2
Unit
Operation
A
A
This is the CT1 heater
current processing value.
Alarm operations such as
the heater burnout alarm
are determined based on
this processing value.
This is the CT2 heater
current processing value.
Alarm operations such as
the heater burnout alarm
are determined based on
this processing value.
Function
K8AC-H
13