Highly Visible Display with 2-color (Red Green) LEDs Contact, NPN
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Frequency/Rate Meter
Highly Visible Display with 2-color (Red Green) LEDs
Contact, NPN, PNP, voltage pulse input. Front-panel operation easy setting. Average processing function suppresses flicker. Includes scaling, auto-zero time, startup compen-
K3MA-F
sation time functions.
Easy confirmation max/min display. Short 80-mm depth (measured from edge face
plate).
Finger protective cover (standard equipment)
guards against electric shock.
Water- dust-proof NEMA4X (IP66 equivalent)
front panel.
Recognized U.S. Canadian requirements
under Component Recognition Program with marking.
Ordering Information
Input type Rotary pulse Supply voltage VAC/VDC None None Output Model K3MA-F 100-240VAC K3MA-F 24VAC/VDC relay contact outputs (SPST-NO) K3MA-F-A2 100-240VAC relay contact outputs (SPST-NO) K3MA-F-A2 24VAC/VDC
Model Number Legend:
K3MA-F-@
Input Type Rotary pulse Output Type None: output relay contact outputs (SPST-NO) Supply Voltage 100-240VAC: 24VAC/VDC: VAC/VDC
K3MA-F
K3MA-F
Specifications
Ratings
Model K3MA-F 100-240VDC, K3MA-F-A2 100-240VAC 110% rated supply voltage max. K3MA-F 24VAC/VDC, K3MA-F-A2 24VAC/VDC VAC/VDC max. VAC) max. VDC)
Supply voltage Operating voltage range Power consumption (under maximum load) Insulation resistance
min. VDC) between external terminal case. Insulation provided between inputs, outputs, power supply.
Dielectric withstand voltage 2,000 between external terminal case. Insulation provided between inputs, outputs, power supply. Noise immunity
1,500 power supply terminals normal common mode. square-wave noise with
Vibration: Acceleration: m/s2
power supply terminals normal mode. 1,500 common mode. square-wave noise with
Vibration resistance Shock resistance Ambient temperature Approved safety standards
each directions sweeps. m/s2 (100 m/s2 relay contact outputs) times each axes, directions. Operating: Storage:
-10C (with condensation icing) -25C (with condensation icing)
UL3121, conforms EN61010-1 (Pollution degree 2/overvoltage category Conforms VDE0106/P100 (finger protection) (EMI) Emission Enclosure: Emission Mains: (EMS) Immunity ESD: Immunity RF-interference: Electrical Fast Transient Noise: Immunity Burst Noise: Immunity Surge: Immunity Conducted Disturbance: Immunity Voltage Dip/Interrupting: EN61326+A1 Industry CISPR Group class CISRP16-1/-2 CISPR Group class CISRP16-1/-2 EN61326+A1 Industry EN61000-4-2: 4-kV contact discharge 8-kV discharge EN61000-4-3: (amplitude-modulated, GHz) EN61000-4-4: (power line) line line (I/O signal line) EN61000-4-5: (power line) 2-kV line ground (power line) EN61000-4-6: (0.15 MHz) EN61000-4-11: cycle, 100% (rated voltage)
Weight
Approx.
Input/Output Ratings
Relay Contact Output Item Rated load Rated carry current Max. contact voltage Max. contact current Max. switching capacity Min. permissible load level, reference value) Mechanical life Electrical life ambient temperature Resistive load (cos VAC, max. terminal) VAC, terminal) 1,250 5,000,000 times min. switching frequency 1,200 times/min) 100,000 times min. rated load switching frequency times/min)
Inductive load (cos 0.4, VAC,
Measuring Ranges
Input Measuring range Measuring accuracy Displayable range -19999 99999 (with scaling function)
No-voltage Contact/Open Collector Inputs
No-voltage contact max.) with 0.05 30.00 ON/OFF pulse width min. Open collector max.) with 0.05 5000.0 pulse width min.
0.1% digit max. 235C)
K3MA-F
K3MA-F
Characteristics
No-voltage contact max., ON/OFF pulse width: min.) Voltage pulse max., ON/OFF pulse width: min., voltage: V/OFF voltage:
Input signal
Open collector max., ON/OFF pulse width min.) Connectable Sensors residual voltage: leakage current: Load current: Measuring accuracy Measurement method Max. displayed digits Display Polarity display Zero display Scaling function Hold function Hysteresis setting Other functions max. max. Must have switching capacity min. Must able dependably switch load current max.
0.1%FS digit 235C)
Cycle measurement digits 19999 99999)
7-segment digital display, Character height: 14.2 displayed automatically with negative input signal. Leading zeros displayed. Programmable with front-panel inputs (range display: 19999 99999). decimal point position desired. hold (maximum value), hold (minimum value) Programmable with front-panel inputs (0001 9999). Scaling teach function Display color change (green (red), green, (green), red) type change (upper limit, lower limit, upper/lower limit) Average processing (simple average OFF/2/4/8 operations) Auto-zero time Startup compensation time Setting change lockout Parameter initialization Display auto-return time Relays: SPST-NO max. Front panel: NEMA4X indoor (equivalent IP66) Rear case: standard IP20 Terminals: standard IP00 finger protection (VDE0106/100) Non-volatile memory (EEPROM) (possible rewrite 100,000 times)
Output Delay comparative outputs Enclosure ratings
Memory protection
K3MA-F
K3MA-F
Nomenclature
Operation indicators
Main indicator
Level indicator
MAX/MIN
LEVEL
MODE
SHIFT
MAX/MIN Level Mode Shift
Name Main indicator Opera- tion indi- cators Level indicator MAX/MIN Level Mode Shift when output when output when value being displayed changed.
Functions Displays current values, parameters, values.
when main indicator showing value. when main indicator showing value. when teaching function operable. Blinks while teaching function operating. Displays current level that K3MA-F (See below details.) Used display values when measurement value being displayed. Used change level. Used allow main indicator indicate parameters sequentially. Used enable value changed. When changing value, this used move along digits. Used change value. Used clear forced-zero function when measurement value being displayed. Level Protect Operation Initial setting Advanced-function setting
Level indicator
Operation
Main Functions
Frequency range (setting parameter) Function Selects pulse input signal. Input range (setting parameters) 0.05 0.05 Setting range Displayable from 19999 99999 with scaling function. position decimal point desired.
Input Types Ranges
Pulse frequency selection
Pulse Frequency Selection
Parameter Setting value Meaning 0.05 measurement range 0.05 measurement range
Note:
initial value "0.05 (B)."
K3MA-F
Scaling
K3MA-F
When desired display value corresponding input, value will displayed line between points determining zero point. Parameter Setting value Meaning Input value Display value Parameter Setting value Meaning Display four digits after decimal point Display three digits after decimal point Display digits after decimal point Display digit after decimal point decimal point
Display value DISPLAY
decimal point optionally displayed. When displaying decimal point, consider number digits follow decimal point prior setting scaling display value.
INPUT
Input value
Teaching with actual values possible.
Instead setting inputting with Shift Key, current values input scaling input values teaching. This useful making settings while checking operation status K3MA-F.
Convenient Functions
Scaling Teach parameter (@EG) K3MA-F's initial setting level using actual input values with teaching function. After displaying parameter, actual input settings made with following operation.
Teaching mode
Monitor mode
flashes. register shift monitor mode.
shift next parameter without registering.
lights indicate that parameter valid teaching.
Normal change
turns OFF.
Next parameter
Types (Comparative Output Models Only)
operate three following modes accordance with compared values: Upper limit (High Acting): output turned when measurement value greater than value. Lower limit (Low Acting): output turned when measurement value less than value. Upper lower limits (Outside Band Acting): upper limit value) lower limit value) independently. output turned when measurement value greater than upper-limit value less than lower-limit value.
K3MA-F
Upper Limit (High Acting) Lower Limit (Low Acting) Upper Lower Limits (Outside Band Acting)
OUT1 upper-limit value Measurement value Hysteresis OUT1 lower-limit value Output
K3MA-F
OUT1 value Measurement value
Hysteresis Measurement value OUT1 value
Hysteresis
Hysteresis
Output
Output
three types output operations shown above combined desired. following examples possible combinations.
Upper Limit 2-stage Output
Threshold Output
OUT2 upper-limit value
Combination Upper Limit Upper/Lower Limits
Measurement value OUT2 upper-limit value OUT1 value Measurement value OUT2 lower-limit value
OUT2 value
Measurement value
OUT1 upper-limit value OUT1 lower-limit value OUT2 lower-limit value
OUT1 value
OUT2 OUT1
OUT2 OUT1
OUT2 OUT1
Parameter Initialization
This function returns parameters their initial values. Parameter @E@Q Setting value Meaning -Initializes parameters.
Auto-zero Time
This function sets time display return zero when input pulses stop. time longer than expected input pulse cycle (the interval between input pulse next). Proper measurement possible time shorter than input pulse cycle.
Startup Compensation Time
startup compensation time cancels measurement predetermined time when turning power prevent unwanted output temporary input fluctuations.
Display Lower limit setting (OUT2)
Startup compensation time
this reset K3MA-F after returning factory-set condition.
Average Processing
Average processing stabilizes display minimizing pulsating flicker caused fluctuations pulse width sensor input eccentricity rotating shafts.
00000 displayed Power supply OUT2 output
Time
Hysteresis (Comparative Output Models Only)
hysteresis comparative outputs prevent chattering output when measurement value fluctuates finely near value.
Changing Display Color
color value displayed either green. comparative output models, display color change from green red, from green, according status comparison criterion.
Upper limit (high acting)
value Measurement value
Hysteresis
OUT1 value Green
113.36 100.05
OUT2 value
Output
8.781
K3MA-F
Display Auto-return Time
This function automatically returns display operation level's current value keys pressed preset time (called display auto-return time).
K3MA-F
MAX/MIN Display
maximum minimum measurement (display) values from time power turned until current time stored displayed. This useful, example, when measuring maximum value.
Current value
Move-to-Protect-Level Time
time required shift protect level desired.
MAX/MIN
MAX/MIN LEVEL MODE SHIFT
value
MAX/MIN
MAX/MIN LEVEL MODE SHIFT
value
MAX/MIN
MAX/MIN LEVEL MODE SHIFT
External Connections
Terminal Arrangement
Power supply
Output terminals
Input terminals
Sensor power supply
Models with comparative output
100- 240-VAC type 24-VAC/VDC type polarity 24-VDC connection.)
OUT1 OUT2
Note:
Refer Input Circuits page
Terminal
Name Operation power
Description Connects operation power supply. No-voltage contact/open collector input Outputs relay outputs. power supply sensors.
Pulse input Outputs Sensor power supply
K3MA-F
K3MA-F
Input Circuits
Pulse Input
NPN, contact input Pulse detection circuit
Voltage detection circuit
PNP, voltage pulse input Voltage pulse
negative pole sensor power supply connected internally.
Block Diagram
Input Input circuit Microcomputer
Display Output circuit Contact output (See note.)
EEPROM
Constant voltage circuit
Power supply circuit
Note:
Relay output models only.
K3MA-F
K3MA-F
Levels
"Level" refers grouping parameters. following table lists operations that possible each levels, diagram tells move between levels. There some parameters that displayed certain models. Level name Protect Operation Initial setting Advanced-function setting Setting lockouts. Displaying current values, setting values. Function Continue Continue Measurement
Making initial settings input type, scaling, output operating Stopped tion, other parameters. Setting average processing, display color settings, other Stopped vanced-function parameters.
Power
Operation level Time user (See note.) min. Protect level min. min. Flashing stops released.
-1234.5
Continue press min.
Indicates change level.
Initial setting level
Password "-0169" min.
Advanced-function setting level
Note:
move-to-protect-level time advanced-function setting level.
K3MA-F
K3MA-F
Parameters
Note: Some parameters displayed certain models. K3MA-F will stop measurement level changed initial setting level advanced-function setting level. input range changed, some parameters default values. Therefore, input range first. Settings displayed reversed colors initial settings.
Power
Operation level
Current value
models with comparative output function. MODE
OUT1 value
MODE
these.
OUT1 upper-limit value
MODE
OUT1 lower-limit value
MODE
OUT2 value
MODE
these.
OUT2 upper-limit value
MODE
OUT2 lower-limit value
MODE
K3MA-F
K3MA-F
Press Level more than
Initial setting level
Press Level less than
Pulse frequency MODE
Scaling input value
Press Level
less than
Advanced-function setting level
Pulse frequency
Enter password "-0169"
Scaling
Parameter initialization
Unit: times Comparative hysteresis
MODE
Average processing
MODE Models with comparative output function
OUT1 hysteresis
MODE
Scaling display value
MODE
OUT2 hysteresis
MODE
Decimal point position
MODE
Auto-zero time
MODE
OUT1 type
Upper Limit Lower Limit Upper/Lower Limits
MODE
Startup compensation time
Models with comparative output function
MODE
OUT2 type
Upper Limit Lower Limit Upper/Lower Limits
MODE
Green (red)
Display color change
Green (green)
MODE
Move advancedfunction setting level
MODE
Display auto-return time
MODE
MODE
Move-toprotectlevel time
Unit:
MODE
Unit:
Settings displayed reversed colors initial settings.
K3MA-F
Press Operation level Press Level than preset time. Mode more Level Mode more than
K3MA-F
Protect level
Operation/adjustment lockouts
MODE
Setting level lockouts
MODE
Setting change lockout
MODE
Operation/Adjustment Lockouts
Restricts operations operation level adjustment level. Parameter Setting Operation level Current value display value display Allowed Allowed Prohibited
Initial Settings
Power
F2GQ
Allowed Allowed Allowed
Press Level level.
min. move initial setting
Initial setting This displayed models with comparative output function.
Select pulse frequency measurement. scaling values type required.
Setting Level Lockouts
Restricts shifting initial setting level advanced-function setting level. Parameter Setting Shift initial setting level Shift advancedfunction setting level Allowed Prohibited Prohibited
Press Level operation level. less than min. return
required, shift advanced-function setting level number measurements average processing, hysteresis values, auto-zero time, startup compensation time, display color change, display auto-return time, move-toprotect-level time.
@4GQ
Allowed Allowed Prohibited
Setting Change Lockout
Restricts setting changes operation. When this lockout set, longer possible shift setting change mode. Parameter Setting Setting change operation Allowed Prohibited
Measurement starts. Specify value
SQGQ
However, protect level parameters still changed.
K3MA-F
K3MA-F
Select maximum input frequency K3MA-F. pulse frequency selection either kHz. example, this because conveyor belt turning slow speed. Parameter: (pulse frequency), Setting value: scaling. relationship between display value input value shown following equation. Rotations (rpm)
E2E-X5E1 Proximity Sensor
Setting Example
Initial Settings
settings following example shown here. Example: Display conveyor belt feed speed
Frequency input/No. pulses rotation
Cycle speed (m/min) Rotations roll circumference pulses rotation Frequency (Hz) Roller diameter
MAX/MIN
LEVEL
MODE
SHIFT
K3MA-F-A2 100-240VAC
Here, conveyor belt feed speed displayed units m/min. Proximity Sensor: E2E-X5E1, output
pulse/rotation, roller diameter Display value
When input conditions applied this equation, obtain following: Display value input display value 18.8495 (m/min). scaling settings K3MA-F must integers. Also, decrease error, scaling value multiplied 1,000, obtain input 1000 display value 18850. However, because display value this case displayed first decimal place, scaling shown following example that 18850 displayed input
18850
Input value
Parameter Setting value (scaling input value) (scaling display value) (decimal point position) Note: decimal point position here refers position number after scaling. When setting scaling display value, necessary consider number digits displayed past decimal point.
Application Examples
Monitoring rotations mixer churner
Inverter
Displaying conveyor belt feed speed
K3MA-F
Displaying monitor output from inverter rotations line speed
m/min
K3MA-F
K3MA-F
Gear Proximity sensor
Mixer churner
Voltage pulse Motor Note: monitor output from inverter analog, such K3MA-J.
Monitoring line speed reflow furnace Displaying feed speed food processing, conveying, sintering
Mixers resin molding Powdering/pelleting machines, centrifugal separators
Monitoring conveyor speed Machining equipment (grinders, polishers)
K3MA-F
K3MA-F
Dimensions
101.2
Finger protective cover (provided)
Main indicator character size
14.2
Panel cut-out
min.
MAX/MIN
LEVEL
MODE
SHIFT
Optional Parts (Order Separately)
Name Splash-proof Soft Cover Shape K32-49SC Model
Hard Cover
Installation
Insert K3MA-F into panel cut-out hole. waterproof installation, insert rubber gasket onto body K3MA-F.
adaptor into grooves left right sides rear case, then push until contacts panel secure K3MA-F.
min.
92+0.5
+0.5
44.8
K32-49HC
Wiring Precautions
crimp terminals. Tighten terminal screws torque approximately
avoid influence noise, route signal lines power lines separately.
Wiring
following crimp terminals.
max.
max.
K3MA-F
K3MA-F
Unit Markings (Provided)
unit markings attached K3MA-F. Select desired markings from provided sheet.
Note:
scales gauges, unit markings that specified relevant laws regulations.
Precautions
!Caution
touch terminals while power being supplied. Doing result electric shock. Locations subject direct radiant heat from heating equipment. Locations subject exposure water, oil, chemicals. Locations subject direct sunlight. Locations subject dust corrosive gases (particularly sulfuric ammonia gas). Locations subject severe changes temperature. Locations subject icing condensation. Locations subject shock vibration. block heat dissipation around product, i.e., provide sufficient space heat dissipation. Ensure that rated voltage reached within seconds after power turned Conduct aging minutes min. after power turned correct measurement. touch slit sections terminals while power being supplied prevent product from being affected static electricity. heavy objects product during storage. Doing deform deteriorate product. paint thinner cleaning. commercially available alcohol. Mounting Mount product panel that thick. Install product horizontal position. crimp terminals that match screw sizes. Noise Prevention Install product possible from devices that generate strong, high-frequency fields (such high-frequency welders sewing machines) surges. Install surge absorbers noise filters nearby devices that generate noise (particularly motors, transformers, solenoids, magnet coils, other devices that have high inductance component).
Line filter
Power supply input
!Caution
disassemble product touch internal components product while power being supplied. Doing result electric shock.
!Caution
allow pieces metal wire clippings enter product. Doing result electric shock, fire, malfunction.
!Caution
Perform correct settings product according control application. Failure cause unexpected operation, resulting damage product injury.
!Caution
Take safety measures, such installing separate monitoring system, ensure safety even product fails. Product failure prevent comparative outputs from being generated, resulting serious accidents. Observe following precautions ensure safety. Maintain power supply voltage within range specified specifications. Maintain load within ratings specified specifications. Check each terminal correct number polarity before connecting Incorrect reverse connections damage burn internal components product. Tighten terminal screws securely. recommended tightening torque 0.43 0.58 Loose screws cause fire malfunction. connect anything unused terminals. Provide switch circuit breaker that operators easily turn power supply when necessary. Also provide appropriate indications such devices. attempt disassemble, repair, modify product. product where flammable combustible gases present.
Frequency /Rate Meter
Signal input
Frequency /Rate Meter
Power supply input
Surge absorber
Application
General Precautions product following locations:
K3MA-F
prevent inductive noise, separate terminal block wiring product from high-voltage high-current power lines. route wiring product parallel with bundle with power lines. When using noise filter power supply, check voltage current install close possible Frequency/Rate Meter. install product near radios, television sets, wireless devices. Doing cause reception interference. Increasing Service Life
K3MA-F
product locations where temperature humidity exceeds ratings where condensation occur. When installing product panel, sure that temperature around product (not temperature around panel) does exceed ratings. product service life depends ambient temperature. higher ambient temperature, shorter service life. extend product service life, lower temperature inside Frequency/Rate Meter. store product within temperature humidity ranges given specifications. When gang-mounting Frequency/Rate Meters arranging them vertically, heat generated Frequency/Rate Meters will cause internal temperature rise, reducing service life. such cases, consider forced cooling methods, such using circulate around Frequency/Rate Meters. not, however, allow only terminals cooled. Doing will increase measurement error. life output relays greatly affected switching capacity switching conditions. these relays within their rated load electrical life. contacts fuse burn they used past their electrical life.
Troubleshooting
When error occurs, error details will displayed main indicator. Confirm error from main indicator take appropriate countermeasures. Level display Main indicator Error contents memory error EEPROM memory error Countermeasures Repair necessary. Consult your OMRON sales representative. When this error displayed, press Level seconds, settings will restored factory settings. error cannot recovered, repair necessary. Consult your OMRON sales representative. Promptly change input value that falls within specified range. scaling value inappropriate. Review scaling value initial setting level. Flashes scaling display value lower than -19999. Promptly change input value that falls within specified range. scaling value inappropriate. Review scaling value initial setting level.
Flashes
scaling display value exceeds 99999.
DIMENSIONS SHOWN MILLIMETERS.
convert millimeters into inches, multiply 0.03937. convert grams into ounces, multiply 0.03527.
Cat. N107-E1-01
interest product improvement, specifications subject change without notice.
OMRON Corporation
Industrial Automation Company Measuring Supervisory Controls Department Shiokoji Horikawa, Shimogyo-ku Kyoto, 600-8530 Japan Tel: (81)75-344-7108/Fax: (81)75-344-7189
Printed Japan 1001-1M (1001)
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