Omron K3TS User manual
K3TS Intelligent Signal Processor
Operation Manual
Revised August 1997
Notice:
OMRON products are manufactured for use according to proper procedures by a qualified operator
and only for the purposes described in this manual.
The following conventions are used to indicate and classify warnings in this manual. Always heed the
information provided with them.
Indicates information that, if not heeded, could result in loss of life or serious
injury.
Indicates information that, if not heeded, could result in minor injury or dam-
age to the product.
OMRON Product References
All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refers
to an OMRON product, regardless of whether or not it appears in the proper name of the product.
The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means
“word” and is abbreviated “Wd” in documentation in this sense.
The abbreviation “PC” means Programmable Controller and is not used as an abbreviation for any-
thing else.
Visual Aids
The following headings appear in the left column of the manual to help you locate different types of
information.
Indicates information of particular interest for efficient and convenient opera-
tion of the product.
Indicates lists of one sort or another, such as procedures, precautions, etc.
OMRON, 1991
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About this Manual:
Section 1
introduces the basic features of the K3TS Intelligent Signal Processor.
Section 2
identifies all the major features of the front panel and gives a brief description of each func-
tion.
Section 3
identifies all the input and output features of the terminals and gives a brief description of
each terminal.
Section 4
provides the dimensions and environmental conditions needed for mounting the K3TS In-
telligent Signal Processor.
Section 5
briefly describes the sensors that can be connected to the K3TS Intelligent Signal Proces-
sor.
Section 6
gives comprehensive descriptions on setting the parameters and the operation of the K3TS
Intelligent Signal Processor.
Section 7
describes the K3TS Unit’s comparative output response (sampling) times under various
settings and operating parameters.
Section 8
illustrates some application examples.
Section 9
provides a troubleshooting guide for possible errors during operation and the corrective
actions to be taken.
Appendix A
provides a list of standard models and options (special specifications).
Appendix B
provides a list of sensor models.
Appendix C
provides lists of specifications, ratings, and factory-set parameters.
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The basic features of the K3TS Intelligent Signal Processor are outlined be-
low. These features can be used according to the application. Applications
include the measurement of height and quality of products and the discrimi-
nation of good and bad products, measurement of discs, measurement of
plate thickness, checking height differences, and detection of the protruding
portion of cylindrical objects. Refer to relevant sections of this manual for de-
tails.
Operating Parameters The Intelligent Signal Processor features 3 operating parameters. Operating
parameter 1 converts outputs into actual figures. With operating parameter 2,
the K3TS detects only values fluctuating rapidly, dismissing slowly fluctuating
ones such as values caused by the decentering of a sensing object or the
sagging of a belt conveyor. Operating parameter 3 can be set to sampling
hold, maximum hold, minimum hold, or peak-to-peak hold.
Prescale Value For the K3TS to display operating parameter process values, the operating
parameter must be multiplied by a factor input before the input pulses are
measured. This factor is called the prescale value.
Forced Zero (Zero-shift) By turning the ZERO input ON (by short-circuiting the ZERO input), the pro-
cess value can be calibrated to zero. This calibration is maintained until the
next time the ZERO input signal is turned ON.
Display Refresh Period A display refresh period among 5 settings can be selected. The display re-
fresh period can range between 0.1 to 4 s.
Set Values Measured values are compared with the set values. There is no limitation on
the relationships among HH, H, L, and LL. The decimal is displayed at the
position set in the prescale parameter.
Bank Selection With the Intelligent Signal Processor, the set value can be altered without key
operation via the selection of an another bank when making a level change.
The K3TS has 8 banks; each bank can output HH, H, L, and LL set values.
Hysteresis The set value includes a hysteresis setting to prevent the comparative output
status indicators from turning ON/OFF when it should not if the measured
value fluctuates in the vicinity of the set value.
With the Set Value LED and Thumbwheel Switches Models, the set values
can be checked, or changed in RUN mode. Protection of set values is not
possible with the Thumbwheel Switches Models.
The Intelligent Signal Processor outputs a linear voltage or current in propor-
tion to the changes in the measured value.
K Constant The K constant is used in operating parameter 1 to convert the outputs of the
displacement sensors into actual figures.
Process Values Averaging The number of process values to be averaged can be selected.
TIMING-delay With the TIMING-delay function, the time immediately after the TIMING input
is turned ON until the start of pulse counting operation can be set within a
range of 0.00 to 1.99 s.
OFF-delay The OFF-delay can be set within a range of 0.00 to 1.99 s.
Protecting, Checking, and
Changing Set Values
Linear Output Range
Section 1
The maximum and minimum of the values measured since power application
or RESET signal input up to the present point are retained. When the RESET
signal turns ON, both the maximum and minimum values are reset to the
present value. Even though the maximum and minimum values are retained
in memory, the comparative output and BCD output are output in accordance
with changes in the measured value, regardless of the display or even if the
RESET signal is OFF, except as controlled by the HOLD input (see next fea-
ture).
Hold Measured Value When the HOLD input is turned ON during RUN mode, measurement stops
and the input measured just before the HOLD input turned ON is held. The
displayed value, comparative output, BCD data, etc., are also held.
Test Mode This function is convenient for checking a system to which the Intelligent Sig-
nal Processor is connected, especially when some inputs cannot be oper-
ated. The Intelligent Signal Processor simulates an input, changing the dis-
play and output conditions.
This function allows the measured values, comparative outputs, and linear
output range to be set as set values while actual measurement is being car-
ried out. This function is useful for setting parameters while checking the op-
erating status of the Intelligent Signal Processor.
Input Range Input ranges of 4 to 20 mA, 1 to 5 V, or ±9.999 VDC can be selected.
Maximum/Minimum Values
Teaching Function
Section 1
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2-1 K3TS-SDB- (with Set Value LED Display)
The following diagram identifies the major features found on the K3TS with
Set Value LED Display front panel. The table gives a brief description of the
function of each front panel feature.
4. PV display status indicators
8. Operation keys
7. Unit
1. PV display
6. Bank indicators
2. SV display
5. SV display status
indicators
3. Comparative output status indicators
No. Name Functions
1PV (process value)
display Displays the process, maximum, and minimum values. Displays characters indicating
the set mode and set values. Displays an error message when an error occurs.
2SV (set value) display Displays the set value of a comparative output. In setting mode, displays the set
parameter.
3Comparative
output status
indicators
HH Is lit when HH comparative output status is ON. HH comparative output status turns
ON when the measured value exceeds the HH set value.
HIs lit when H comparative output status is ON. H comparative output status turns ON
when the measured value exceeds the H set value.
LIs lit when L comparative output status is ON. L comparative output status turns ON
when the measured value falls below the L set value.
LL Is lit when LL comparative output status is ON. LL comparative output status turns ON
when the measured value falls below the LL set value.
PASS Is lit when PASS comparative output status is ON. PASS comparative output status
turns ON when all HH, H, L, and LL comparative output status are OFF.
4PV display
status
indicators
HOLD Is lit when HOLD input is ON. By turning ON the HOLD terminal on the rear panel, the
hold function can be effected.
TIMING Is lit when the TIMING input is ON. By turning ON the TIMING terminal on the rear
panel, the TIMING hold function can be effected.
Min Indicates that the value displayed on the PV display is the minimum value. To display
the minimum value, use the DATA TEACH Key.
Max Indicates that the value displayed on the PV display is the maximum value. To display
the maximum value, use the DATA TEACH Key.
ZERO Is lit when ZERO shift status is ON. By turning ON the ZERO terminal on the rear
panel, the ZERO shift function can be effected.The ZERO indicator is lit when the
display value is shifted if the model has a display shift function.
5SV display status
indicators Indicates whether the displayed set value on the SV display is HH and LL or H and L.
The SV display is lit when the set values are HH and LL and not lit when the set values
are H and L.
Section 2-1
%
No. FunctionsName
6Bank indicators To alter the set value without key operation, select another bank when making a level
change. The K3TS has eight banks; each bank can output HH, H, L, and LL set values.
The selected bank is displayed in the binary system.
7Unit Attach the appropriate label (use the labels supplied as accessories).
8Operation
Keys Level Key
Selects the setting mode, in which the setting levels can be changed. For details on the
setting levels, refer to
6-1 Before Setting the Parameters
.
Display
Key
Displays a set value on the SV display.
In the setting mode, after a parameter is selected with the Shift Key, the selected
setting is enabled or disabled or the set value is written to memory with this key.
Setting
status 1 Setting
status 2
Parameter
display
L, H LL, HH
Shift Key
Shifts the digit where the set value is to be changed.
Selects a parameter at each setting level.
For details on the setting parameter, refer to
Section 6 Parameter Setting and
Operation
.
Parameter 1 Parameter 2 Parameter n
Up Key
Increases the value of the current digit in the set value by one.
DATA
TEACH
Key
Selects the process value, possible display shift status (*1), maximum value (*2), or
minimum value (*2).
*1: Available only if the model incorporates a shift function.
*2: Available only when operating parameter 3 is in the normal setting.
In the setting mode, effects the teaching function. With this function, the comparison
value, scaling value, and linear output range are set by means of actual input. For
details on the teaching function, refer to
6-3-2 Special Functions
.
Process
value Minimum
value
Maximum
value
Possible
display
shift status
Section 2-1
*
2-2 K3TS-SD1D- (with Thumbwheel Switches)
The following diagram identifies the major features found on the K3TS with
Thumbwheel Switches front panel. The table gives a brief description of the
function of each front panel feature.
3. PV display status indicators2. Comparative output status indicators
1. PV display
5. Unit
6. Operation keys
4. Thumbwheel switches
No. Name Functions
1PV (process value)
display Displays the process, maximum, and minimum values. Displays characters indicating
the set mode and set values. Displays an error message when an error occurs.
2Comparative
output status
indicators
HIs lit when H comparative output status is ON. H comparative output status turns ON
when the measured value exceeds the H set value.
LIs lit when L comparative output status is ON. L comparative output status turns ON
when the measured value falls below the L set value.
PASS Is lit when PASS comparative output status is ON. PASS comparative output status
turns ON when all HH, H, L, and LL comparative output status are OFF.
3PV display
status
indicators
HOLD Is lit when HOLD input is ON. By turning ON the HOLD terminal on the rear panel, the
hold function can be effected.
TIMING Is lit when the TIMING input is ON. By turning ON the TIMING terminal on the rear
panel, the TIMING hold function can be effected.
Min Indicates that the value displayed on the PV display is the minimum value. To display
the minimum value, use the DATA TEACH Key.
Max Indicates that the value displayed on the PV display is the maximum value. To display
the maximum value, use the DATA TEACH Key.
ZERO Is lit when ZERO shift status is ON. By turning ON the ZERO terminal on the rear
panel, the ZERO shift function can be effected.
4Thumbwheel switches Set H and L set values. The set values can be changed at any time regardless of the
RUN or setting mode.
5Unit Attach the appropriate label (use the labels supplied as accessories).
Section 2-2
(
No. FunctionsName
6Operation
Keys Level Key
Selects the setting mode, in which the set levels can be changed. For details on the
set levels, refer to
6-1 Before Setting the Parameters
.
Display
Key
Setting
status 1 Setting
status 2
Parameter
display
This key has no function in RUN mode. In the setting mode, after a parameter
is selected with the Shift Key, the selected setting is enabled or disabled or the
set value is written to memory with this key.
Shift Key
Shifts the digit where the set value is to be changed.
Selects a parameter at each setting level.
For details on the setting parameter, refer to
Section 6 Parameter Setting and
Operation
.
Parameter 1 Parameter 2 Parameter n
Up Key
Increases the value of the current digit in the set value by one.
DATA
TEACH
Key
Displays the process, maximum, or minimum value. (Operating parameter 3:
Only in the normal setting.)
In the setting mode, effects the teaching function. With this function, the set
values, prescale values and linear output range are set by means of actual
input. For details on the teaching function, refer to
6-3-2 Special Functions
.
Process
value Minimum
value
Maximum
value
Section 2-2
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3-1 Inputs The K3TS Intelligent Signal Processor’s terminal inputs are described in the
following diagram and table. The table identifies each terminal and briefly
describes its input function.
10 11 12 13 14 15 16 17
123456 897
+12VDC GND TIMING
IN HOLD ZERO Bank I Bank 2 Bank 4
INA+ INB+ COM-- INA+ INB+ RESET COM
100 to 240 VAC
12 to 24 VDC
Current Input Voltage Input
No. Name Function
1to
5Inputs Accepts analog input from the sensor.
Input range Connection terminal
Input A Input B
4to20mADC 1 and 3 2 and 3
1 to 5 VDC 4 and 3 5 and 3
±9.999 VDC 4 and 3 5 and 3
Use INA if only a single input line is used (if
is
). Refer to
Section 5
Connectable Sensors
for available sensors.
6 RESET With the RESET signal to this terminal, the present maximum, minimum, and average
process values are cleared, and the K3TS is reset. RESET status continues while the
RESET signal is ON.
7COM These are common input terminals for RESET, HOLD, ZERO, and Banks 1 through 4.
Connect non-voltage contact inputs to these terminals. To connect transistor inputs,
use the open collector configuration shown below.
HOLD ZERO Bank 1 Bank 2 Bank 4
RESET COM
13 14 15 16 17
456 897
8, 9 Power Supplies power to these terminals. Be sure to supply 100 to 240 VAC for AC-operated
models, and 12 to 24 VDC for DC-operated models.
10,
11 Timing sensor power
supply 80 mA, 12 VDC. Use an external power supply if the capacity of the sensor power
supply is insufficient.
Section 3-1
No. FunctionName
12 TIMING input The TIMING input must be supplied from an open collector.
A photoelectric sensor or a proximity sensor can be used as a timing sensor.
+12V
TIMING IN
GND
Timing sensor
13 HOLD With normal setting on operating parameter 3: When the HOLD signal to this terminal
is turned ON, measurement is stopped and the value input immediately before the
HOLD signal is retained. The relevant displayed value, comparative outputs, and BCD
data are also retained. While the HOLD signal is ON, the hold operation continues.
The effect of the HOLD operating parameter is canceled when the HOLD signal is
turned OFF.
When operating parameter 3 is in the state of Sampling hold, Maximum hold,
Minimum hold, and Peak-to-peak hold, the HOLD signal is disregarded.
14 ZERO When the ZERO input to this terminal is turned ON, the input value is calibrated to
zero. Turn OFF the current zero input signal to receive the next zero input signal on
this terminal.
15
to
17
Bank selection Select the bank for set values.
Bank no. Bank 1 Bank 2 Bank 4
0OFF OFF OFF
1ON OFF OFF
2OFF ON OFF
3ON ON OFF
4OFF OFF ON
5ON OFF ON
6OFF ON ON
7ON ON ON
The bank input is not available for the Thumbwheel Switches Models.
Section 3-1
!
3-2 Outputs
Depending upon the requirements of the output device, the K3TS Intelligent
Signal Processor can use one of the following outputs.
K31-C1: Relay (3 Outputs) K31-C2: Relay (5 Outputs)
K31-C5: Relay (5 Outputs) K31-T1: Transistor (NPN Open Collector)
DATA OVERFLOW
DATA VALID
RUN
COMMON
REQUEST
MAX. REQ.
MIN. REQ.
HOLD
RESET
POLARITY
HH
H
PASS
L
LL
COMMON
LL
RDA
SDA
RDB
SDB
SG
HH
L
COM
H
PASS
K31-T2: Transistor (PNP Open Collector) K31-B4: BCD + Transistor* (NPN Open Collector)
COMMON100101102103104
48
104
1
K31-L4, L5, L6: Linear + Transistor*
24812481248124812
K31-S5: RS-485 + Transistor*
Output NPN Tr.
(50mAmax.at12to24VDC)
K31-S6: RS-422 + Transistor*
Terminator
ON
OFF
Outputs (50 mA max. at 12 to 24 VDC)
HH H PASS L LL COM
L4: 4 to 20 mA + Trans.
L5: 1 to 5 V + Trans.
L6: 1 mV/digit + Trans.
+-
18 19 20 21 22 23 24 25 26
HH H PASS L LL COM+--
RS-485
Terminator
ON
OFF
Outputs (50 mA max. at 12 to 24 VDC)
18 19 20 21 22 23 24 25 26
Outputs (50 mA max. at 12 to 24 VDC)
HH H PASS L LL COM
18 19 20 21 22 23 24 25 26
Outputs (5 A max. at 250 VAC)
HH PASS L
HLL
18 19 20 21 22 23 24 25 26
Outputs (5 A max. at 250 VAC)
H PASS L
18 19 20 21 22 23 24 25 26
Outputs (5 A max. at 250 VAC)
HH PASS L LLH
18 19 20 21 22 23 24 25 26
Outputs (50 mA max. at 12 to 24 VDC)
HH H PASS L LL COM
18 19 20 21 22 23 24 25 26
D-sub 37P Connectors for BCD output (enclosed)
Plug: XM2A-3701
Hood: XM2S-3711
D-sub 9P Connectors for RS-422 output (order separate-
ly)
Plug: XM2A-0901 or XM4A-0921
Hood: XM2S-0911
* Only with model with special specifications.
Section 3-2
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