Sentera Controls SPS series Mounting And Operating Instructions Download | Manualshive

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Mounting and operating instructions

SPS

DIFFERENTIAL PRESSURE
TRANSMITTER

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Summary of Contents for SPS series

Page 1: ...Mounting and operating instructions SPS DIFFERENTIAL PRESSURE TRANSMITTER ...

Page 2: ...NTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 5 OPERATIONAL DIAGRAM 5 WIRING AND CONNECTIONS 5 MOUNTING INSTRUCTIONS IN STEPS 5 VERIFICATION OF INSTALLATION INSTRUCTIONS 8 OPERATING INSTRUCTIONS 8 MODBUS REGISTER MAPS 11 TRANSPORT AND STORAGE 12 WARRANTY AND RESTRICTIONS 12 MAINTENANCE 12 SPS DIFFERENTIAL PRESSURE TRANSMITTER ...

Page 3: ...ssible avoid condensation All installations shall comply with local health and safety regulations and local electrical standards and approved codes This product can only be installed by an engineer or a technician who has expert knowledge of the product and safety precautions Avoid contacts with energised electrical parts always treat the product as if it is live Always disconnect the power supply...

Page 4: ...0 96 W SPS G 2K0 SPS G 6K0 1 2 W Nominal or average power consumption in normal operation SPS F 2K0 SPS F 6K0 0 72 W SPS G 2K0 SPS G 6K0 0 9 W Imax SPS F 2K0 SPS F 6K0 40 mA SPS G 2K0 SPS G 6K0 50 mA Power consumption no load 18 34 VDC supply 10 20 mA 13 26 VAC supply 10 15 mA Operating modes selectable via Modbus Differential pressure Air volume Operating pressure ranges SPS X 2K0 0 100 Pa 0 250 ...

Page 5: ...itive DC voltage AC GND Ground AC A Modbus RTU RS485 signal A B Modbus RTU RS485 signal B Ao1 Analog 0 10 VDC 0 20 mA or PWM open collector output GND Ground Connections Cable cross section max 1 5 mm2 Cable gland clamping range 3 6 mm MOUNTING INSTRUCTIONS IN STEPS Before you start mounting the SPS differential pressure transmitter read carefully Safety and Precautions Choose a smooth surface for...

Page 6: ...ns Power supply 13 26 VAC 18 34 VDC Analog output 0 10 VDC 0 20 mA PWM Modbus RTU A B 4 Check if your unit starts or terminates the network see Example 1 and Example 2 If it does set the NBT jumper onto the pins Otherwise leave it open See Fig 4 Network bus resistor jumper Example 1 Example 2 Fig 4 Network bus resistor jumper RX ТX NBT NBT NBT Slave 2 Master Slave n Slave 1 Slave 2 Slave 1 RX ТX N...

Page 7: ...X 2K0 0 100 Pa 0 250 Pa 0 500 Pa 0 750 Pa SPS X 6K0 0 1 000 Pa 0 1 500 Pa 0 2 000 Pa 0 2 500 Pa 1 2 3 on on on 1 2 3 off on on 1 2 3 on off on 1 2 3 off off off SPS X 2K0 0 1 000 Pa 0 2 000 Pa 50 50 Pa 100 100 Pa SPS X 6K0 0 3 000 Pa 0 4 000 Pa 0 5 000 Pa 0 6 000 Pa 1 2 3 on on off 1 2 3 off on off 1 2 3 on off off 1 2 3 off off off 0 5 sec 1 sec default 2 sec 5 sec 4 5 on on 4 5 on off 4 5 off on...

Page 8: ...nication indication blink If they do your unit has detected a Modbus network If they do not blink check the connections again Fig 9 Modbus communication indication ATTENTION The status of the LEDs can be checked only when the unit is energised Take the relevant safety measures OPERATING INSTRUCTIONS 1 Calibration procedure ATTENTION Make sure that the nozzles are free and not connected 1 1 Disconn...

Page 9: ...asured data It is stored from address 1 30001 to address 8 30008 The other input registers are not used with this unit when these registers are addressed they return 0 All the data can be read using the command Read Inputs Registers Table Modbus register maps shows the returned data type and the way it should be interpreted For example the reading 1 000 in register 1 means that the measured differ...

Page 10: ...ult Modbus settings are 19200 E 1 as it is stated in the Modbus Protocol Specification The next three registers 4 5 6 are read only They keep information about the hardware and firmware versions The next four registers 7 8 9 and 10 are not used They are read only NOTE Writing on these registers does not return Modbus error exception however it does not change anything either Part 2 Holding registe...

Page 11: ...ERS Data type Description Data Values 1 Differential pressure signed int Actual differential pressure SPS X 2K0 100 2 000 1 000 1 000 Pa unsigned int SPS X 6K0 0 6 000 1 000 1 000 Pa 2 Output value unsigned int Actual output value 0 100 0 1 000 100 10 0 3 Max pressure limit flag unsigned int Flag indicates that the pressure is over or below the max limit SPS X 2K0 SPS X 6K0 0 1 below the limit ove...

Page 12: ... 0 1 2 3 0 5 s 1 s 2 s 5 s 1 14 Max pressure limit unsigned int Maximum pressure limit SPS X 2K0 100 2 000 1 000 1 000 1 000 Pa SPS X 6K0 0 6 000 3 000 15 Min pressure limit unsigned int Minimum pressure limit SPS X 2K0 100 2 000 0 SPS X 6K0 0 6 000 3 000 1 000 1 000 Pa 16 Power up timer unsigned int Power up time before measuring the lower limit 0 1 000 s 60 s 100 100 s 17 K factor selection regi...

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