BASI BUFM660 Series Скачать руководство пользователя страница 12 | Manualshive

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The probe

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The remote control

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Содержание BUFM660 Series

Страница 1: ...MANUAL Ultrasonic Open Channel Flow Meter...

Страница 2: ...ing dimensions 9 3 Wiring 12 3 1 The host 12 3 2 Wiring diagram 12 3 3 The cable 13 3 4 The terminal blocks 13 4 Operation 14 4 1 Display and keys 14 4 2 Two working mode 14 5 Calibration 22 General c...

Страница 3: ...wing functions High detection accuracy the flow meter measurement changes with 1mm the accuracy of change in level is 1 mm Suitable for a variety of weirs and flumes Parshall flumes ISO Right angle tr...

Страница 4: ...3 1 3 Structure The BUFM660 series O C M consists of a probe and a host The remote control is optional...

Страница 5: ...it can calculate the level as follows h H d Since speed of sound through air is affected by changes in temperature the BUFM660 O C M has integrated a temperature senor to improve accuracy For determi...

Страница 6: ...0mA into 500 Ohms corresponding to instantaneous flow rate Relays outputs 6 multi function SPDT relays at most optional rated 5A 250VAC 30VDC high low and failsafe alarm and control corresponding to i...

Страница 7: ...tallation considerations 2 1 1 hints for the host mounting The host should not be mounted in a confined space where temperatures may exceed the normal working temperature 40 70 if the host is mounted...

Страница 8: ...he liquid to be measured But smooth vertical sidewalls weir tank will not cause false signals The probe must be mounted upstream of the flume or weir Do not over tighten the bolts on flange The stilli...

Страница 9: ...8 Parshall flume triangular weir rectangular weir...

Страница 10: ...9 2 2 Mounting dimensions The host...

Страница 11: ...10...

Страница 12: ...11 The probe The remote control...

Страница 13: ...when the terminal cover is open 3 1 The host 3 2 Wiring diagram Remove the terminal cover to expose the terminals shown below The wiring instructions are on bottom of the terminals as below DC24V powe...

Страница 14: ...elays can be provided with 5 pcs at most Carefully confirm the marked power supply terminals to ensure the correct power supply connection 3 3 The cable The cable between probe and host is 10m standar...

Страница 15: ...ing some parameters 4 2 1 Running mode When the power is turned on the instrument takes several seconds to initialize and then runs into the running mode to start the normal level and flow measurement...

Страница 16: ...and the unit for liquid level and space is M the unit for temperature is The output current is always corresponding to the instantaneous flow rate no matter which value disappears on the panel The max...

Страница 17: ...keep flashing except the distance value the instantaneous flow rate and level value and the output current will not change The BUFM660 series can provide 6 relays which may be used for control purpos...

Страница 18: ...e digits abc determines the chosen weir type number Please referring to the follow the weir type number table Installation height Must be set correctly The height is the distance from the bottom of tr...

Страница 19: ...tatus of relay No 1 Correspond to instantaneous flow rate The format of this parameter is EC ab the front two digits EC are unchangeable the latter two ab determine the states of relay No 1 a correspo...

Страница 20: ...cting On and off point value of relay No 4 Correspond to level in the weir Same with on and off point value of No 1 Correspond to level in the weir But when the relay No 4 is set as Accumulated Flow P...

Страница 21: ...the setting and press SEL and MOV simultaneously to exit the setting mode the accumulated flow rate will be reset from zero Then enter the setting mode again and set this parameter as FC01 then save...

Страница 22: ...Parshall flume 10 ft 1 07m 017 Parshall flume 12 ft 1 37m 018 Parshall flume 15 ft 1 67m 019 Parshall flume 20 ft 1 83m 1 504m 020 Parshall flume 25 ft 1 83m 1 314m 021 Parshall flume 30 ft 1 83m 1 17...

Страница 23: ...tons firmly but not too hard to avoid damaging the circuit boards Also to avoid entering incorrect data do not push the buttons too fast When the instrument is used for pump control please avoid to di...

Страница 24: ...the accumulate flow rate will increase too Adjust the full scale of instantaneous flow rate and test the output current with a multi meter the output current should change too Because the output curr...

Страница 25: ...d pair cable and shielded cable is best When the baud rate is 9600bit s maximum length of the cable AWG26 specification and above is 1000m The RTU mode The RTU frame format the representation of data...

Страница 26: ...data has 2 bytes and total 10 bytes That means the master requires 3 bytes instantaneous flow rate 1 byte the flow unit code 4 bytes accumulated flow rate and 2 bytes level value CRC Cyclic Redundanc...

Страница 27: ...ue For example the slave response as follow 02H 03H 0AH 00H81H9DH 02H 00H00H0AH33H 01H8AH D5HF6H 02H 03H 0AH means the No 2 address instrument answer the response from the master with its order to sen...

Страница 28: ...ontainer Add the water and the instrument will work well The instrument shows unstable or the measured value has a great deviation Wrong setting about the weir type number or the installation height o...

Страница 29: ...28...

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