Intelligent electrical parameter tester

1Overview and purpose

YK-53Digital electrical parameter testing instruments are suitable for on-site monitoring, display, control, and automation communication in power grids and automation control systems,Capable of converting electrical parameters in the power grid, such as current, voltage, single-phase or three-phase power, frequency, etc,fromCPUReal time sampling, conversion, and output of standard current or voltage signals,Connect to remote data terminals. Intelligent communication products withRS-485communication interface,Can directly exchange data with the control center,Realize self Automated management. Widely used in industries and departments such as power, postal and telecommunications, petroleum, coal, metallurgy, railway, municipal, intelligent buildings, etc. for electrical installations, automatic control, and dispatch systems.

IIMain technical indicators

Basic error:0.2％FS±1a character

apparent Example: Three four digitsLEDseven-segment display

Input signal:Nominal input AC/DC current, voltage 100V, 220V, 380V

AC current input	AC voltage input
0～Direct input	0～100VDirect input
5~2000A with current transformer input	100~2000V with voltage transformer input

Overdrive duration: 1.2 times, instantaneous: current 2 times/1 second, voltage 2 times/1 second

Alarm output: Two limit alarm or four limit alarm, each output can be set as upper limit alarm, lower limit alarm or prohibited use according to needs, relay output contact capacityAC220V/3AorAC220V/1A.

Transmission output:4～20mA(Load resistance)≤500Ω)、0～10mA(Load resistance)≤1000Ω)1～5V、0～5V（load resistor≥200KΩ)

Communication output: isolated serial bidirectional communication interfaceRS485/RS232/Modem

Baud rate1200~9600bps internal free setting

electricity Source: Switching power supply 85～265VAC

merit Consumption:4W

Ambient temperature0～50℃

ambient humidity:<85％RH

3、 Model selection instructions

type score						say bright
YK-53						Intelligent electrical parameter tester
Overall dimensions	A					horizontal format160×80×125mm
	A/S					vertical form80×160×125mm
	B					method96×96×110 mm
alarm output		J□				J0No alarm output;J1-J4 1-4Point alarm
transmitter output			O1			4-20mAoutput
			O2			0-10mAoutput
			O3			1-5Voutput
			O4			0-5Voutput
Communication output				P		mini printer
				R		Serial communicationRS232
				S		Serial communicationRS485
input signal				I1		Single-phase power meter
				I2		Three phase three wire power meter
				I3		Three phase four wire power meter
				I4		Special power meter (electric energy meter)

4、 Operating instructions

（1） Panel Description

press● Switch the display content with the key. The display content screen is divided into:

1Under working conditions, the upper window of the instrument panel displays the apparent power valueSThe middle and lower windows display the apparent electrical value.

2The upper row displays H, and the last two rows display totalactive energyWh；

3The upper row displays VArH, while the last two rows display totalReactive powerVarh；

4The U light is on, and three windows display the three-phase voltage values;

5The I light is on, and three windows display the three-phase current values;

6: WHThe light is on, displaying H-1 on the upper row and H-1 on the rear two rowsactive energyWh1；

The upper row displays H-2, while the last two rows displayactive energyWh2；

The upper row displays H-3, while the last two rows displayactive energyWh3；

7: VARHThe light is on, showing VAr1 on the upper row and VAr1 on the rear two rowsReactive powerVarh1；

The upper row displays VAr2, while the last two rows displayReactive powerVarh2；

The upper row displays VAr3, while the last two rows displayReactive powerVarh3；

8:PThe light is on, the upper row displays the power factor, the middle row displays the grid frequency, and the lower row displays the instantaneous active power P.

（2） Power on self-test

⑴ Connect the power, input, output, alarm and other wiring of the instrument according to the terminal wiring diagram of the instrument.

Carefully check the wiring of the instrument, and only turn on the power after it is correct.

⑶ After connecting the power supplyUpper display on the instrument panelHELOBottom row displayPASSThe words indicate that the instrument self-test has passed,The instrument adopts a human-machine dialogue form to input parameters,Use various prompts to indicate the data that should be entered.

（3） Key function

TheR/H- Backup.

Press this key to change the displayed content.

En- Used to store new set values of parameters and select the next set parameter when setting the state

■When setting the state, hold down the key and do not move it2Exit the setting state in seconds.

▲ - Used to increase the set value when setting the state

▼- Used to reduce the set value when setting the state

（4） Parameter setting

In the set state, the upper window of the instrument displays the parameter prompt, and the lower window displays the set value.

If the parameters remain unchanged for 12 seconds during the setting process, the instrument will automatically return to operation.

The parameter settings are as follows:

(1)pressEnKey, upper display-Cd-, displayed in the middle800Using ▲ and▼The key will800Set as808,press againEnThe key only enters the parameter setting state, and entering other values is invalid. This is mainly to prevent non operators from accidentally modifying parameters on site.

(2)LinE:3P4L:Choose three-phase4Wire connection method and algorithm,3P3LChoose the three-phase three wire connection method and algorithm.

(3) –Ur-：Voltage multiplier,Ur=Primary value of voltage transformer/Secondary value of transformer, setting range1-9999When not using a transformerUr=1.

(4) –Ir-：Current rate,Ir=Primary value of current transformer/Secondary value of transformer, setting range1-9999When not using a transformerIr=1.

(5) A-UF- VoltageAphaseAdjust the calibration coefficient range to 0.500-2.000, and display the corrected value=A-UFX Pre correction measurement value) Factory valueA-UF=1.000.

(6) A-IF- CurrentAphaseAdjust the calibration coefficient range to 0.500-2.000, and display the corrected value=A-IFX Pre correction measurement value) Factory valueA-IF=1.000.

(7) B-UF- VoltageBphaseAdjust the calibration coefficient range to 0.500-2.000, and display the corrected value=B-UFX Pre correction measurement value) Factory valueB-UF=1.000.

（8）B-IF- CurrentBphaseAdjust the calibration coefficient range to 0.500-2.000, and display the corrected value=B-IFX Pre correction measurement value) Factory valueB-IF=1.000.

（9）C-UF- VoltageCphaseAdjust the calibration coefficient range to 0.500-2.000, and display the corrected value=C-UFX Pre correction measurement value) Factory valueC-UF=1.000.

（12）C-IF- CurrentCphaseAdjust the calibration coefficient range to 0.500-2.000, and display the corrected value=C-IFX Pre correction measurement value) Factory valueC-IF=1.000.

（12）disp: Panel display selection, range0-4, set up0It is the inspection display, set1Voltage display, set2Display current, power factor, power, set3Display grid frequency, set4Display the accumulation of electrical energy.

(4) Addr- Communication address refers to the instrument number and range1～99.

(5) bAUd- Communication baud rate, range1200~9600.

Parameter setting completed, display-EndThe instrument automatically enters the running state.

5、 Communication instructions

This instrument can be equipped with RS232 and RS485 interfaces for direct communication with computers,RS485standard

communicationdistance1.5kmMultiple instruments can be attached.RS232Standard Communicationdistance15mOnly one instrument can be attached.RS232Connect the TXD, RXD, and GND of the interface to the second, third, and fifth pins of the computer serial port, respectively. The data format consists of 1 starting bit, 8 data bits, and noneverify﹑1A stop position.

This device adopts the standard Modbus RTU communication protocol and can be connected to almost all configuration software, including Kingview, Power Control, Century Star, etc Fix、InTouchWaiting for domestic configuration software eliminates the hassle of users connecting to the softwareWhen using configuration software, the device to be selected is a PLC with Modicon (* Kang), Modbus RTU address type, integer 16 bit data, starting from 4001 using the Kingview register. Other configuration software may start from 3001.

4001	Aphase voltage	4016	High reactive power level
4002	Bphase voltage	4017	Low reactive power level
4003	Cphase voltage
4004	Aphase current
4005	Bphase current
4006	Cphase current
4007	active power
4008	reactive power
4009	apparent power
4010	power factor
4011	grid frequency
4012	Seen at a high level of electrical energy
4013	Seen at a low level of electrical energy
4014	High level of active electrical energy
4015	Low level of active electrical energy

Example: Read the PV (PV=1000) value of the instrument with address 1

Send data as 01 03 00 00 00 01 84 0A

The returned data is 01 03 02 03 E8 B8 FA (where 03 E8-1000), where 01 is the instrument address, 03 is the function number, 00 00 is the register start address, 00 01 represents reading a number, 840A is the checksum, and B8 FA is the checksum in the returned data. Long integer data such asactive energy=high-order data×65536+Low data level. During configuration, users can also select register 4014 with a data type of long integer, and the system will automatically calculate the accumulated amount.

The cumulative value of apparent electrical energy can be written,The data write command (long integer data) uses command 10H, 01 10 00 05 00 02 04 00 0102 03 23 31Among them, 04 represents writing 4 bytes, and the alarm value is 0X00010203=66051. For details, please refer to MODBUS.

8、 Terminal wiring:

160 * 80 terminal wiring

96 * 96 terminal wiring diagram

9YK-53Usage and ordering precautions of intelligent power meter

1. Users must carefully read the user manual before use, strictly follow the methods specified in the manual for wiring and operation settings, otherwise it will affect the safety of use and the normal operation of the instrument;
2. Users must refer to the relevant product specifications before placing an order and make functional selections based on actual needs;
3. Please indicate the measured power level when placing an order, so that we can provide you with panel display units;
4. When the user places an order without special instructions, we will provide a three-phase three wire power meter;
5. Please connect the current and voltage signals according to the prescribed phase, and do not connect them in reverse;
6. Without permission, it is not allowed to dismantle the instrument without authorization;
7. Accessories for this product: 1 set of installation accessories, 1 manual, and 1 certificate of conformity;
8. This product comes with a one-year warranty and lifetime maintenance from the date of manufacture;