Omron K3NP Manuel utilisateur

Period Meter K3NP B-193

Timers

Period Meter

K3NP

An Ideal Interface for Easily Measuring the

Time Interval

• 50-kHz input range and 0.08% accuracy for sophisticated

control.

• A wide selection of outputs: relay, transistor, BCD, linear, or

communications.

• Maximum/Minimum value hold, set value write protection, and

more.

• Banks with four comparative output values and four prescale

values.

• Set value teaching, linear output range teaching, and prescale

teaching are available using actual measured values.

• Prescale function available, which displays in units of actual

physical parameters (length, volume, etc.).

• Displays values in hours, minutes, and seconds in operating

modes 2 to 4.

• Built-in sensor power supply (12 VDC, 80 mA).

• Compact 1/8 DIN size.

• Conforms to EMC standards, EN61010-1 (IEC1010-1).

• UL/CSA approved.

Model Number Structure

■Model Number Legend

Base Units and Output Boards can be ordered individually or as sets. Refer to the Output Board Combinations table on page 194.

1, 2. Input Sensors Codes

NB: NPN inputs/Voltage pulse inputs

PB: PNP inputs

3. Supply Voltage

1: 100 to 240 VAC

2: 12 to 24 VDC

4. Display

A: Basic

C: Set Value LED Display

5, 6, 7, 8. Output Type Codes

C1: 3 comparative relay contact outputs (H, PASS, L: SPDT)

C2: 5 comparative relay contact outputs (HH, H, L, LL: SPST-

NO; PASS: SPDT)

C5: 5 comparative relay contact outputs (HH, H, L, LL: SPST-

NC; PASS: SPDT)

T1: 5 comparative transistor outputs (NPN open collector)

T2: 5 comparative transistor outputs (PNP open collector)

B2: BCD output (NPN open collector) (see note)

B4: BCD output + 5 transistor outputs (NPN open collector)

L1: Linear output (4 to 20 mA) (see note)

L2: Linear output (1 to 5 VDC) (see note)

L3: Linear output (1 mV/10 digits) (see note)

L4: Linear output, 4 to 20 mA + 5 transistor outputs (NPN open

collector)

L5: Linear output, 1 to 5 V + 5 transistor outputs (NPN open col-

lector)

L6: Linear output, 1 mV/10 digits+ 5 transistor outputs (NPN

open collector)

L7: Linear output, 0 to 5 VDC (see note)

L8: Linear output, 0 to 10 VDC (see note)

L9: Linear output, 0 to 5 VDC + 5 transistor outputs (NPN open

collector)

L10: Linear output, 0 to 10 VDC + 5 transistor outputs (NPN open

collector)

FLK1: Communication RS-232C (see note)

FLK2: Communication RS-485 (see note)

FLK3: Communication RS-422 (see note)

FLK4: RS-232C + 5 transistor outputs (NPN open collector)

FLK5: RS-485 + 5 transistor outputs (NPN open collector)

FLK6: RS-422 + 5 transistor outputs (NPN open collector)

Note: These output types are available on Basic Models only.

1234 12345678

5678

K3NP -

Base Units

K3NP - -

Base Units with Output Boards

K31 -

Output Boards

B-194 Period Meter K3NP

Ordering Information

■Base Unit

■Available Output Board Combinations

Note: For details, refer to the Communication Operation Manual.

Input type NPN/Voltage pulse PNP

Supply voltage 100 to 240 VAC 12 to 24 VDC 100 to 240 VAC 12 to 24 VDC

K3NP-NB1A K3NP-NB2A K3NP-PB1A K3NP-PB2A

K3NP-NB1C K3NP-NB2C K3NP-PB1C K3NP-PB2C

Output type Output configuration Output boards Base units

Basic Set Value

LED Display

Relay contact 3 outputs: H, PASS, L (SPDT) K31-C1 Yes Yes

5 outputs: HH, H, L, LL (SPST-NO), and PASS (SPDT) K31-C2 Yes Yes

5 outputs: HH, H, L, LL (SPST-NC), and PASS (SPDT) K31-C5 Yes Yes

Transistor 5 outputs (NPN open collector) K31-T1 Yes Yes

5 outputs (PNP open collector) K31-T2 Yes Yes

BCD (see note) 5-digit output (NPN open collector) K31-B2 Yes ---

Linear 4 to 20 mA DC K31-L1 Yes ---

1 to 5 VDC K31-L2 Yes ---

1 mV/10 digits K31-L3 Yes ---

0 to 5 VDC K31-L7 Yes ---

0 to 10 VDC K31-L8 Yes ---

Communication boards

(see note) RS-232C K31-FLK1 Yes ---

RS-485 K31-FLK2 Yes ---

RS-422 K31-FLK3 Yes ---

Combination output and

communication boards BCD output + 5 transistor outputs (NPN open collector) K31-B4 Yes Yes

4 to 20 mA + 5 transistor outputs (NPN open collector) K31-L4 Yes Yes

1 to 5 V + 5 transistor outputs (NPN open collector) K31-L5 Yes Yes

1 mV/10 digits + 5 transistor outputs (NPN open collector) K31-L6 Yes Yes

0 to 5 VDC + 5 transistor outputs (NPN open collector) K31-L9 Yes Yes

0 to 10 VDC + 5 transistor outputs (NPN open collector) K31-L10 Yes Yes

RS-232C + 5 transistor outputs (NPN open collector) K31-FLK4 Yes Yes

RS-485 + 5 transistor outputs (NPN open collector) K31-FLK5 Yes Yes

RS-422 + 5 transistor outputs (NPN open collector) K31-FLK6 Yes Yes

Basic Models

These models provide a

present value LED and

front-panel control keys. Can

be connected to any Output

Board, or can be used for

display only without an

Output Board.

Set Value LED Models

These models provide a

present value LED, set value

LED, and front-panel control

keys. Can be connected to

Relay, Transistor, or

Combination Output Boards.

Period Meter K3NP B-195

Timers

Specifications

■Ratings

Note: A K3NP with DC supply voltage requires approximately 1 A DC as control power supply current the moment the K3NP is turned ON. Do not

forget to take this into consideration when using several K3NP units. When the K3NP is not in measuring operation (e.g., the K3NP has been

just turned ON or is operating for startup compensation time), the display will read “00000” and all outputs will be OFF.

Supply voltage 100 to 240 VAC (50/60 Hz); 12 to 24 VDC

Operating voltage range 85% to 110% of supply voltage

Power consumption (see note) 15 VA max. (max. AC load with all indicators lit)

10 W max. (max. DC load with all indicators lit)

Sensor power supply 80 mA at 12 VDC±10%

Insulation resistance 20 MΩmin. (at 500 VDC) between external terminal and case.

Insulation provided between inputs, outputs, and power supply.

Dielectric strength 2,000 VAC for 1 min between external terminal and case.

Insulation provided between inputs, outputs, and power supply.

Noise immunity ±1,500 V on power supply terminals in normal or common mode ±1 µs, 100 ns for square-wave noise

with 1 ns

Vibration resistance Malfunction: 10 to 55 Hz, 0.5-mm for 10 min each in X, Y, and Z directions

Destruction: 10 to 55 Hz, 0.75-mm for 2 hrs each in X, Y, and Z directions

Shock resistance Malfunction: 98 m/s2(10G) for 3 times each in X, Y, and Z directions

Destruction: 294 m/s2(30G) for 3 times each in X, Y, and Z directions

Ambient temperature Operating: −10°C to 55°C (with no icing)

Storage: −20°C to 65°C (with no icing)

Ambient humidity Operating: 25% to 85% (with no condensation)

EMC (EMI) EN61326+A1 Industry

Emission Enclosure: CISPR 11 Group 1 class A: CISRP16-1/-2

Emission AC Mains: CISPR 11 Group 1 class A: CISRP16-1/-2

(EMS) EN61326+A1 Industry

Immunity ESD: EN61000-4-2: 4 kV contact discharge (level 2)

8 kV air discharge (level 3)

Immunity RF-interference: EN61000-4-3: 10 V/m (amplitude-modulated,

80 MHz to 1 GHz) (level 3)

Immunity Fast Transient Noise: EN61000-4-4: 2 kV (power line) (level 3)

Immunity Burst Noise: 1 kV line to line (I/O signal line)

Immunity Surge: EN61000-4-5: 1 kV line to line

2 kV line to ground (power line)

Immunity Conducted Disturbance EN61000-4-6: 3 V (0.15 to 80 MHz) (level 2)

Immunity Voltage Dip/Interrupting EN61000-4-11: 0.5 cycles, 0, 180°, 100% (rated voltage)

Approved standards UL508, CSA22.2;

Conforms to EN61326+A1, EN61010-1 (IEC61010-1)

Conforms to VDE0106/P100 (finger protection) when the terminal cover is mounted.

Weight Approx. 400 g

B-196 Period Meter K3NP

■Characteristics

Note: The linear output range cannot be set when connected to a 1 mV/10-digit Linear Output Board.

Input signal No-voltage contact (30 Hz max., ON/OFF pulse width: 15 ms min.)

Voltage pulse (50 kHz max., ON/OFF pulse width: 9 µs min., ON voltage: 4.5 to 30 V/OFF voltage: −30 to 2 V)

Open collector (50 kHz max., ON/OFF pulse width: 9 µs min.)

Connectable Sensors

ON residual voltage: 3 V max.

OFF leakage current: 1.5 mA max.

Load current: Must have switching capacity of 20 mA min.

Must be able to dependably switch a load current of 5 mA max.

Measuring accuracy

(at 23±5°C) ±0.08%rdg±1 digit

Measuring modes and

ranges Operating mode 1: Passing speed 10 ms to 3,200 seconds

Operating mode 2: Cycle 20 ms to 3,200 seconds

Operating mode 3: Time difference 10 ms to 3,200 seconds

Operating mode 4: Elapsed time 10 ms to 3,200 seconds

Operating mode 5: Length measurement 0 to 4G count (32-bit counter)

Operating mode 6: Interval 0 to 4G count (32-bit counter)

Max. displayed digits 5 digits (0 to 99999)

Display 7-segment LED

Polarity display Not available

Zero display Leading zeros are not displayed.

Prescale function Programming via front-panel key inputs. (0.0001 x 10−9 to 9.9999 x 109, decimal point can be set freely)

Can be set using prescale value teaching.

HOLD functions Max. value (peak) hold, Min. value (bottom) hold

External control HOLD (Process value held)

RESET (Maximum/minimum data reset)

BANK (Selection of one bank out of 4 banks of set values)

(Selection of one bank out of 4 banks of prescale values)

Other functions Variable linear output range (for models with linear outputs only) (see note)

Remote/Local processing (available for communications output models only)

Maximum/Minimum value data reset with front panel keys

Comparative output pattern selection

Time unit display

Security

Output configuration Relay contact output (3 or 5 outputs)

Transistor output (NPN and PNP open collector), BCD (NPN open collector)

Parallel BCD (NPN open collector) + transistor output (NPN open collector)

Linear output (4 to 20 mA, 1 to 5 V) + transistor output (NPN open collector)

Communication functions (RS-232C, RS-485, RS-422)

Communication functions (RS-232C, RS-485, RS-422) + transistor output (NPN open collector)

Delay in comparative

outputs (at transistor output) 20 ms max.

Linear output response time 40 ms max.

Degree of protection Front panel: NEMA4 for indoor use (equivalent to IP66)

Rear case: IEC standard IP20

Terminals: IEC standard IP00

Memory protection Non-volatile memory (EEPROM) (possible to rewrite 100,000 times)

Period Meter K3NP B-197

Timers

■Input/Output Ratings

Relay Contact Output

(Incorporating a G6B Relay)

Transistor Output

BCD Output

Note: Logic method: negative logic

Linear Output

Note: For the 1 mV/10-digit output, the output voltage changes for every 40 to 50 increment in the display value.

■Communications Specifications

For details, refer to Communication Operation Manual.

Item Resistive load (cosφ= 1) Inductive load (cosφ= 0.4, L/R = 7 ms)

Rated load 5 A at 250 VAC; 5 A at 30 VDC 1.5 A at 250 VAC, 1.5 A at 30 VDC

Rated carry current 5 A max. (at COM terminal)

Max. contact voltage 380 VAC, 125 VDC

Max. contact current 5 A max. (at COM terminal)

Max. switching capacity 1,250 VA, 150 W 375 VA, 80 W

Min. permissible load

(P level, reference value) 10 mA at 5 VDC

Mechanical life 50,000,000 times min. (at a switching frequency of 18,000 times/hr)

Electrical life

(at an ambient temperature of 23°C) 100,000 times min. (at a rated load switching frequency of 1,800 times/hr)

Rated load voltage 12 to 24 VDC +10%/–15%

Max. load current 50 mA

Leakage current 100 µA max.

I/O signal name Item Rating

Inputs REQUEST, HOLD, MAX, MIN, RESET Input signal No-voltage contact input

Input current with no-voltage input 10 mA

Signal level ON voltage: 1.5 V max.

OFF voltage: 3 V min.

Outputs DATA, POLARITY, OVERFLOW,

DATA VALID, RUN

Rated load voltage 12 to 24 VDC +10%/−15%

Max. load current 10 mA

Leakage current 100 µA max.

Item 4 to 20 mA 1 to 5 V 1 mV/10 digits (see note)

Resolution 4,096

Output error ±0.5% FS ±1.5% FS

Permissible load resistance 600 Ωmax. 500 Ωmin. 1 KΩmin.

Item RS-232C, RS-422 RS-485

Transmission method 4-wire, half-duplex 2-wire, half-duplex

Synchronization method Start-stop synchronization

Baud rate 1,200/2,400/4,800/9,600/19,200/38,400 bps

Transmission code ASCII (7-bit)

Communications Write Comparative set value, prescaling value, remote/local programming, reset control of maximum/mini-

mum values, and other setting mode items excluding communications conditions.

Read Process value, comparative set value, maximum value, minimum value, model data, error code, and

others

B-198 Period Meter K3NP

Connections

■Terminal Arrangement

Input Unit

18 19 20 21 22 23 24 25 26

10 11 12 13 14 15 16 17

1 2 3 4 5 6 7 8 9

Terminal Numbers

Output unit

Input unit

Output

unit

Input

unit

Note: Terminals 7 to 13 are connected internally.

Terminals 7 and 11 are mutually isolated.

Signal input terminal

12 VDC

80 mA When inputting the external control signals through the open

collector:

Transistor Inputs:

ON: Residual voltage must be 3 V max.

OFF: Leakage current must be 1.5 mA max.

The switching capacity must be 20 mA or greater.

When the external signal input is short-circuited, a voltage of

approximately 5 V will be applied to between the terminals 5 to

7 and the COM terminal, and a current of approximately 18 mA

(nominal value) will flow.

100 to 240 VAC

or 12 to 24 VDC

Note: Check the power supply specifications of the

model used before connecting the power supply.

Recommended 24VDC power supply;

eg. OMRON S8VS

+12 V

590 Ω

820 Ω

+12 V

GND

+12 V

590 Ω

820 Ω

GND

10 k Ω

+12 V

590 Ω

820 Ω

GND

10 k Ω

+12 V

590 Ω

820 Ω

11 GND GND

GND

590 Ω

820 Ω

External

sensor

power

supply (+)

Input A

Input B

External

sensor

power

supply (−)

Internal circuits

Voltage Pulse Inputs

Input A

Input B

Internal circuits

PNP-input Models

External

sensor

power

supply (+)

Input A

Input B

External

sensor

power

supply (−)

Internal circuits

NPN Inputs

10 11

1234

+12 V INA INB

0 V

10 11

1234

INA INB GND

10 11

1234

+12V

INA INB

0 V

+12V INA INB

0 V

10 11

1234

Contact

NPN output sensor PNP output sensor

Contact Output Voltage Output PNP Open Collector OutputNPN Open Collector Output

(NPN Linear 2-wire Output)

Note: Connect the + side of the NPN

linear 2-wire input to terminal 1

and the −side to terminal 11.

Note: With voltage pulse input

not from a 3-wire sensor,

connect the + side to ter-

minal 3 and the −side to

terminal 11.

Note: When the contact is short-

circuited, a current of approxi-

mately 13 mA will flow at a volt-

age of approximately 12 V.

Input resistance: 10 kΩ

Voltage pulse output sensor

Period Meter K3NP B-199

Timers

Output Units

18 19 20 21 22 23 24 25 26 18 19 20 21 22 23 24 25 26

18 19 20 21 22 23 24 25 26

K31-C1: Relay (3 Outputs)

Outputs (5 A max. at 250 VAC)

H PASS L

K31-C2: Relay (5 Outputs)

Outputs (5 A max. at 250 VAC)

K31-C5: Relay (5 Outputs)

Outputs (5 A max. at 250 VAC)

HH PASS L

LLH

HH PASS L

HLL

K31-T1: Transistor (NPN Open Collector)

Outputs (50 mA max. at 24 VDC)

HH H PASS L LL COM

+−

18 19 20 21 22 23 24 25 26

100101102103104

104

12 4812 48 12 48 12 48 12

1 2 3 4 5 6 7 8 9 10111213141516171819

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37

K31-T2: Transistor (PNP Open Collector)

Outputs (50 mA max. at 24 VDC)

HH H PASS L LL COM

K31-B2, -B4: BCD (NPN Open Collector)

(Terminals 32 to 36 are provided only on K31-B4.)

Outputs (50 mA max. at 24 VDC)

HH H PASS L LL COM

COMMON

DATA OVERFLOW

DATA VALID

RUN

COMMON

REQUEST

MAX. REQ.

MIN. REQ.

HOLD

RESET

POLARITY

PASS

COMMON

K31-L1, L2, L3,-L4, -L5, -L6, -L7, -L8, -L9,

-L10: Linear

(Terminals 21 to 26 are provided only on K31-L4,

-L5, -L6, -L9, -L10.)

L1, L4: 4 to 20 mA

L2, L5: 1 to 5 V

L3, L6: 1 mV/10 digit

L7, L9: 0 to 5 VDC

L8, L10: 0 to 10 VDC

Note: With K31-L4/-L5/-L6/-L9/-L10 models, terminals 19

and 26 are connected internally.

12345 678910111213

15 16 17 18 19 20 21 22 23 24 25

K31-FLK1: RS-232C

+−

18 19 20 21 22 23 24 25 26

RDA

SDA

RDB

SDB

RS-422

2345

7896

12345

789

K31-FLK2, -FLK5: RS-485

(Terminals 21 to 26 are provided only on K31-FLK5.)

HH H PASS L LL COM

RS-485

Terminator

OFF

Outputs (50 mA max. at 24 VDC)

K31-FLK3, -FLK6: RS-422

(The right connector is provided only on K31-FLK6)

OFF

K31-FLK4: RS-232C + Transistor (NPN Open Collector)

RS-232C

COM

PASS

Terminator

RS-422

•D-sub 37P Connectors for BCD output (attachment)

Plug: XM2A-3701

Hood: XM2S-3711

•D-sub 25P connectors for RS-232C output (K31-FLK1) (order

separately)

Plug: XM2A-2501

Hood: XM2S-2511

•D-sub 9P connectors for RS-422 output (K31-FLK3 and K31-

FLK6) (order separately)

Plug: XM2A-0901

Hood: XM2S-0911

•D-sub 9P connectors for RS-232C output (K31-FLK4) (order

separately)

Plug: XM2D-0901

Hood: XM2D-0911

Output NPN Tr.

(50 mA max. at 24 VDC)

Output NPN Tr.

(50 mA max. at 24 VDC)

PASS

4321

COM

4321

B-200 Period Meter K3NP

■Block Diagram

Input circuit

Sensor A

Sensor B

GND

Control input

LED

Frequency measurement circuit

Waveform adjustment circuit

8-bit microcomputer

Control input circuit

Power supply

for sensor

Control input

circuit

Control power

supply Power supply

circuit

Frequency

measurement

circuit

Waveform

adjustment

circuit

Voltage stabilizing

circuit

Voltage stabilizing

circuit

Voltage stabilizing

circuit

Key

switch

8-bit

microcomputer Output

circuit

Power supply for

sensor (input circuit)

Period Meter K3NP B-201

Timers

Operation

■Main Functions

Output Pattern Selection c-out

The patterns of comparative output are selectable according to the

level change. Select the pattern according to the application.

Note: The following setting conditions must be satisfied, otherwise no

zone output will turn ON correctly.

LL < L < H < HH

Linear Output Range lset

A linear output range can be set as required. A value corresponding

to the maximum output value and that corresponding to the minimum

output value can be set.

Remote/Local Selection r-l

Select remote programming when performing all settings through the

host devices and select local programming when performing settings

through key operation.

Prescaling

Input pulses are converted into desired values.

Standard Output

Set value HH

Set value H

Set value L

Set value LL

Comparative output HH

Comparative output H

PASS

Comparative output L

Comparative output LL

Zone Output

Set value HH

Set value H

Set value L

Set value LL

Comparative output HH

Comparative output H

PASS

Comparative output L

Comparative output LL

Set value HH

Set value H

Set value L

Set value LL

Comparative output HH

Comparative output H

PASS

Comparative output L

Comparative output LL

Level Output

20 mA

4 mA

Display

Output

Lower

limit Upper

limit

For the 4- to 20-mA

output type

B-202 Period Meter K3NP

■BCD Output Timing Chart

A request signal from an external device (such as a Programmable Controller) is required to read BCD data.

Single Sampling Data Output

Approximately 30 ms after the REQ signal rises, a sample is taken and the DATA VALID signal is output. Read the data when the DATA VALID

signal is ON.

The DATA VALID signal will turn OFF in 40 ms, and then in 16 ms, the data will go OFF.

Models with a BCD output have an open collector output configuration so that wired-OR connection is possible.

Continuous Data Output

The K3NP outputs each measurement at an interval of 64 ms when a REQ signal is ON continuously.

If the HOLD signal is ON at the moment the DATA output is switched from Data 1 to Data 2 or vice versa, the output BCD data will be either Data

1 or Data 2 according to the timing of the HOLD signal. However, output data will never be below.

40 ms

16 ms

All data "high" All data "high"Data

Approx. 30 ms

DATA

VALID

REQ.

Max.

Min.

Pulse with a width of no less than 20 ms.

(no more than 50 ms.)

(1) (2) (3)

***

K3NP (1)

K3NP (2)

K3NP (3)

DATA

Programmable

controller

DATA (incl. POL and OVER)

and DATA VALID are wired-OR

processed.

The RUN, HH, H, PASS, L, and

LL signals are always output

regardless of the status of the

REQ signal. Do not OR-wire

these signals.

REQ.

(1)

REQ.

(2)

REQ.

(3)

DATA

VALID

*The period between the DATA VALID signal and the

REQ signal should be no less than 20 ms max.

40ms 40ms

64ms 64ms

24ms 24ms

All data "high"

DATA Data 1 Data 2

REQ.

Max.

Min.

DATA

VALID

Approx.

30 ms

Ce manuel convient aux modèles suivants

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