HN-6G wall-mounted speed monitor usage instructions
HN-6G wall-mounted smart tachometer is an intelligent speed monitoring protection instrument using ARM as the core. The monitoring instrument has the following functions: speed monitoring, double upper alarm set point, 1 lower limit alarm set point, analog current output and other functions. It is suitable for the monitoring and protection of rotational speed of rotating machinery in electric power, petroleum, chemical and other industrial sectors.
ï¬ Sensor signal input Sensor input mode of smart tachometer: Magneto-resistive sensor, Hall sensor, eddy current sensor Speed ​​disk Gear teeth: 1~240 teeth ï¬ Overspeed alarm and zero-speed alarm The intelligent tachometer has two speed alarm limits value. As long as the measured speed exceeds the set alarm value or dangerous value, the alarm indicator or hazard indicator on the front panel will be on, and the alarm relay or dangerous relay will act to output the switch signal. The alarm response time is 0.1S.
With a zero speed alarm, as long as the speed is lower than the zero speed setting value, the zero speed alarm relay is activated, and the corresponding panel's zero-turn indicator light is on. Main technical indicators ï¬ Display: 4 digits 0.8 inch LED digital display â— Measurement range: 1~9999rpm
ï¬ Display accuracy: ±1rpm
ï¬ Alarm, danger: Arbitrary setting in full scale ï¬ Alarm output: Normally open relay output ï¬ Contact capacity: 5A/250VAC 30VDC/5A
ï¬ Current output: 4~20mA
ï¬ RS485 communication: MODBUS-RTU protocol (optional)
ï¬ Overall dimensions: 240×190mm
ï¬ Installation method: wall-mounted ï¬ Mounting hole location size: 275 (long) × 170 (width) unit mm (aperture φ5mm)
Front panel function keys
Button introduction:
"+" key: jump to the next parameter; or in the parameter editing state: the flashing bit plus 1;
"-" key: jump to the previous parameter; or in the parameter editing state: the flashing bit minus 1;
"<" key: In the parameter editing state: shift left one;
“SET†key: Under normal working state, press this key for 5 seconds to enter the parameter setting state; under parameter setting state, press this key for 5 seconds to return to normal working state. When the alarm is manual, click once to reset the alarm. .
Internal Parameter Table Parameter Flag Parameter Description Setting Range Factory Value Remarks
E1--Alarm value 0～9999 3300 When the speed value is greater than or equal to the set value, the alarm indicator light, relay terminal alarm terminal output
P1-- Dangerous value 0～9999 3360 When the speed value is greater than or equal to the set value, the danger indicator light is on, and the dangerous terminal relay output of the terminal block is set. The danger value setting should be greater than the alarm value.
AL0 Zero speed value 1~9999 10 When the speed is less than the zero speed setting value, the zero speed indicator light is on and the zero terminal speed relay output of the terminal block.
L1-- range value 0～9999 3500 20mA output corresponding measurement value, alarm, danger should be within the measurement range
H1-- Number of teeth 1～120 60
EE-- alarm delay time 0 ~ 60S 1 When the measured value is greater than or equal to the set alarm, dangerous value, the instrument enters the alarm state after a period of delay.
1N-- Sensor Selection 0, 1 0 0: Magnetoresistive Sensor 1: Hall Sensor or Proximity Switch
E1-P alarm vote/cut 0,1 1 0: alarm not used  1: alarm put into use
P1-P Dangerous investment/cutting 0,1 1 0: danger not used 1: danger put into use
AL0P zero speed
Cast/cut 0, 1 0 0: Zero speed not used  1: Zero speed used
AUTO Auto/Manual 0, 1 1 1: Automatic alarm release  0: Manual alarm release
PORC measurement method 0,1 0nbsp0nbsp0: The measurement frequency (the number of teeth “H1---†range 1-120) is applicable to high rotation speed, and the more the number of teeth, the faster the response speed. Measurement range (1-99999rpm)
Settling time (S) = 60 turns The number of teeth is 60, and the settling time is 1 second.
1: The test period (number of teeth "H1---" range 1-10) is applicable to the case with a small number of teeth, the measurement range is 10-5000rpm, the response time and the number of teeth are irrelevant, when the speed is greater than 60rpm, the instrument shows the speed response time is 1 second When the speed is less than 60 rpm, the response time (S) = 60 ÷ actual speed; when the speed is less than 10 rpm, the display speed is 0.
Parameter modification procedure: Press and hold the SET button for 5 seconds until the digital display box is completely dark. Release the button to enter the parameter setting state. At this time, the digital tube display box displays “E1--†press the “SET†button to enter the alarm value. Set, see the last digit of the digital tube is flashing, press "<" key to select the digit to be modified, use "+" "-" key to modify the digit of flashing digit. After the modification is completed, press the "SET" key to confirm and exit the alarm setting state. If you need to modify other parameters, you can press the "+" and "-" keys to enter other parameters under the parameter name. After the setting is completed, press and hold “SET†for 5 seconds to save all parameters and return to working status.
Terminal board wiring diagram and sensor installation Terminal board wiring diagram and sensor installation
Sensor installation: unscrew the air plug of the sensor, insert the sensor into the mounting bracket, ensure that the distance between the speed measuring head and the speed measuring gear is between 0.5~1.0mm, tighten the fastening nut, and then align the air bearing head with the air socket Tighten it. The signal input line of the magnetoresistive sensor adopts a two-core shielded cable, and the wiring should be strictly in accordance with the wiring diagram.
The installation of the instrument is inserted from the front of the instrument room of the central control room, then the left and right mounting brackets are installed at the back, and can be fastened with screws, and then the terminal board connection diagrams are correctly connected to the input and output wires. When connecting the sensor signal wire to the rear terminal board, a two-core shielded cable should be used.
HN-6G wall-mounted smart tachometer is an intelligent speed monitoring protection instrument using ARM as the core. The monitoring instrument has the following functions: speed monitoring, double upper alarm set point, 1 lower limit alarm set point, analog current output and other functions. It is suitable for the monitoring and protection of rotational speed of rotating machinery in electric power, petroleum, chemical and other industrial sectors.
ï¬ Sensor signal input Sensor input mode of smart tachometer: Magneto-resistive sensor, Hall sensor, eddy current sensor Speed ​​disk Gear teeth: 1~240 teeth ï¬ Overspeed alarm and zero-speed alarm The intelligent tachometer has two speed alarm limits value. As long as the measured speed exceeds the set alarm value or dangerous value, the alarm indicator or hazard indicator on the front panel will be on, and the alarm relay or dangerous relay will act to output the switch signal. The alarm response time is 0.1S.
With a zero speed alarm, as long as the speed is lower than the zero speed setting value, the zero speed alarm relay is activated, and the corresponding panel's zero-turn indicator light is on. Main technical indicators ï¬ Display: 4 digits 0.8 inch LED digital display â— Measurement range: 1~9999rpm
ï¬ Display accuracy: ±1rpm
ï¬ Alarm, danger: Arbitrary setting in full scale ï¬ Alarm output: Normally open relay output ï¬ Contact capacity: 5A/250VAC 30VDC/5A
ï¬ Current output: 4~20mA
ï¬ RS485 communication: MODBUS-RTU protocol (optional)
ï¬ Overall dimensions: 240×190mm
ï¬ Installation method: wall-mounted ï¬ Mounting hole location size: 275 (long) × 170 (width) unit mm (aperture φ5mm)
Front panel function keys
Button introduction:
"+" key: jump to the next parameter; or in the parameter editing state: the flashing bit plus 1;
"-" key: jump to the previous parameter; or in the parameter editing state: the flashing bit minus 1;
"<" key: In the parameter editing state: shift left one;
“SET†key: Under normal working state, press this key for 5 seconds to enter the parameter setting state; under parameter setting state, press this key for 5 seconds to return to normal working state. When the alarm is manual, click once to reset the alarm. .
Internal Parameter Table Parameter Flag Parameter Description Setting Range Factory Value Remarks
E1--Alarm value 0～9999 3300 When the speed value is greater than or equal to the set value, the alarm indicator light, relay terminal alarm terminal output
P1-- Dangerous value 0～9999 3360 When the speed value is greater than or equal to the set value, the danger indicator light is on, and the dangerous terminal relay output of the terminal block is set. The danger value setting should be greater than the alarm value.
AL0 Zero speed value 1~9999 10 When the speed is less than the zero speed setting value, the zero speed indicator light is on and the zero terminal speed relay output of the terminal block.
L1-- range value 0～9999 3500 20mA output corresponding measurement value, alarm, danger should be within the measurement range
H1-- Number of teeth 1～120 60
EE-- alarm delay time 0 ~ 60S 1 When the measured value is greater than or equal to the set alarm, dangerous value, the instrument enters the alarm state after a period of delay.
1N-- Sensor Selection 0, 1 0 0: Magnetoresistive Sensor 1: Hall Sensor or Proximity Switch
E1-P alarm vote/cut 0,1 1 0: alarm not used  1: alarm put into use
P1-P Dangerous investment/cutting 0,1 1 0: danger not used 1: danger put into use
AL0P zero speed
Cast/cut 0, 1 0 0: Zero speed not used  1: Zero speed used
AUTO Auto/Manual 0, 1 1 1: Automatic alarm release  0: Manual alarm release
PORC measurement method 0,1 0nbsp0nbsp0: The measurement frequency (the number of teeth “H1---†range 1-120) is applicable to high rotation speed, and the more the number of teeth, the faster the response speed. Measurement range (1-99999rpm)
Settling time (S) = 60 turns The number of teeth is 60, and the settling time is 1 second.
1: The test period (number of teeth "H1---" range 1-10) is applicable to the case with a small number of teeth, the measurement range is 10-5000rpm, the response time and the number of teeth are irrelevant, when the speed is greater than 60rpm, the instrument shows the speed response time is 1 second When the speed is less than 60 rpm, the response time (S) = 60 ÷ actual speed; when the speed is less than 10 rpm, the display speed is 0.
Parameter modification procedure: Press and hold the SET button for 5 seconds until the digital display box is completely dark. Release the button to enter the parameter setting state. At this time, the digital tube display box displays “E1--†press the “SET†button to enter the alarm value. Set, see the last digit of the digital tube is flashing, press "<" key to select the digit to be modified, use "+" "-" key to modify the digit of flashing digit. After the modification is completed, press the "SET" key to confirm and exit the alarm setting state. If you need to modify other parameters, you can press the "+" and "-" keys to enter other parameters under the parameter name. After the setting is completed, press and hold “SET†for 5 seconds to save all parameters and return to working status.
Terminal board wiring diagram and sensor installation Terminal board wiring diagram and sensor installation
Sensor installation: unscrew the air plug of the sensor, insert the sensor into the mounting bracket, ensure that the distance between the speed measuring head and the speed measuring gear is between 0.5~1.0mm, tighten the fastening nut, and then align the air bearing head with the air socket Tighten it. The signal input line of the magnetoresistive sensor adopts a two-core shielded cable, and the wiring should be strictly in accordance with the wiring diagram.
The installation of the instrument is inserted from the front of the instrument room of the central control room, then the left and right mounting brackets are installed at the back, and can be fastened with screws, and then the terminal board connection diagrams are correctly connected to the input and output wires. When connecting the sensor signal wire to the rear terminal board, a two-core shielded cable should be used.
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