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Cảm biến lưu lượng IFM SM7120 - header

Cảm biến lưu lượng IFM SM7120

Cảm biến lưu lượng IFM SM7120

– Measuring range
* 0.1…75 l/min
* 0.006…4.5 m³/h
* 1.2…1190 gph
* 0.02…19.82 gpm

– Điện áp hoạt động: 18…30 V
– Ngõ ra Analogue: 4…20 mA
– Kích thước (mm): 110 x 48 x 73
– Connector: M12
– IP65; IP67
– Process connection: threaded connection G 3/4

Cảm biến lưu lượng IFM SM7120 dùng để đo lưu lượng chính xác, đo lưu lượng tồng tiêu thụ, cũng như nhiệt độ lưu chất

Cảm biến lưu lượng IFM SM7120 - kích thước

  • Dãi đo:
    • 0.1…75 l/min
    • 0.006…4.5 m³/h
    • 1.2…1190 gph
    • 0.02…19.82 gpm
  • Điện áp hoạt động: 18…30 V
  • Ngõ ra Analogue: 4…20 mA
  • Kích thước (mm): 110 x 48 x 73
  • Connector: M12
  • Switching signal; analogue signal; pulse signal; IO-Link; frequency signal; (configurable)

Thông số kỹ thuật – Cảm biến lưu lượng IFM SM7120

Product characteristics

Number of inputs and outputs Number of digital outputs: 2; Number of analogue outputs: 1
Measuring range
0.1…75 l/min 0.006…4.5 m³/h 1.2…1190 gph 0.02…19.82 gpm

 
Process connection threaded connection G 3/4 external thread DN20 flat seal

Application

Special feature Gold-plated contacts
Media conductive liquids; water; hydrous media
Note on media
conductivity: ≥ 20 µS/cm
viscosity: < 70 mm²/s (40 °C)

 
Medium temperature[°C] -20…90
Pressure rating[bar] 16
Pressure rating[MPa] 1.6

Electrical data

Operating voltage[V] 18…30 DC; (to SELV/PELV)
Current consumption[mA] < 80
Protection class III
Reverse polarity protection yes
Power-on delay time[s] 5
Measuring principle magnetic-inductive

Inputs / outputs

Number of inputs and outputs Number of digital outputs: 2; Number of analogue outputs: 1

Inputs

Inputs counter reset

Outputs

Total number of outputs 2
Output signal switching signal; analogue signal; pulse signal; IO-Link; frequency signal; (configurable)
Electrical design PNP/NPN
Number of digital outputs 2
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC[V] 2
Permanent current rating of switching output DC[mA] 100
Number of analogue outputs 1
Analogue current output[mA] 4…20; (scalable)
Max. load[Ω] 500
Pulse output flow rate meter
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes

Measuring/setting range

Measuring range
0.1…75 l/min 0.006…4.5 m³/h 1.2…1190 gph 0.02…19.82 gpm

 
Display range
-90…90 l/min -5.4…5.4 m³/h -1426.8…1426.8 gph -23.78…23.78 gpm

 
Resolution
0.1 l/min 0.006 m³/h 0.6 gph 0.01 gpm

 
Set point SP
0.5…75 l/min 0.03…4.5 m³/h 8.4…1189 gph 0.14…19.81 gpm

 
Reset point rP
0.1…74.6 l/min 0.006…4.48 m³/h 1.2…1183 gph 0.03…19.71 gpm

 
Analogue start point ASP
0…59.9 l/min 0…3.6 m³/h 0…950 gph 0…15.82 gpm

 
Analogue end point AEP
15.1…75 l/min 0.9…4.5 m³/h 240…1189 gph 3.99…19.81 gpm

 
Low flow cut-off LFC
0.1…3.8 l/min 0.006…0.23 m³/h 1.8…59.4 gph 0.03…0.99 gpm

 
Frequency end point, FEP
15.1…75 l/min 0.9…4.5 m³/h 240…1189 gph 3.99…19.81 gpm

 
Frequency at the end point FRP[Hz] 1…10000

 

Volumetric flow quantity monitoring
Pulse length[s] 0.003…2
Pulse value 0.01…99990000 I

 

Temperature monitoring
Measuring range[°C] -20…90
Display range[°C] -42…112
Resolution[°C] 0.1
Set point SP[°C] -19.6…90
Reset point rP[°C] -20…89.6
Analogue start point[°C] -20…68
Analogue end point[°C] 2…90
In steps of[°C] 0.1

Accuracy / deviations

Flow monitoring
Accuracy (in the measuring range) ± (0,8 % MW + 0,2 % MEW)
Repeatability ± 0,2 % MEW

 

Temperature monitoring
Accuracy[K] ± 2,5 (Q > 5 % MEW)

Response times

Flow monitoring
Start-up delay[s] 0…50
Response time[s] < 0.25; (dAP = 0, T09)
Damping process value dAP[s] 0…5

 

Temperature monitoring
Response time[s] 15; (Q > 10 % MEW, T09)

Software / programming

Parameter setting options hysteresis / window; normally open / normally closed; switching logic; frequency output; current/pulse output; start-up delay; display can be deactivated; Display unit

Interfaces

Communication interface IO-Link
Transmission type COM2 (38,4 kBaud)
IO-Link revision 1.1
SDCI standard IEC 61131-9
Profiles Smart Sensor: Process Data Variable; Device Identification, Device Diagnosis
SIO mode yes
Required master port type A
Process data analogue 3
Process data binary 2
Min. process cycle time[ms] 6
Supported DeviceIDs
Type of operation DeviceID
default 955

 

Operating conditions

Ambient temperature[°C] -20…60
Storage temperature[°C] -25…80
Protection IP 65; IP 67

Tests / approvals

EMC
DIN EN 60947-5-9  

 
CPA approval
model number 006MI
accuracy class –
maximum allowable error ± 1,0 % FS
Q (min) 0,006 m³/h
Q (t) –
Q (max) 4,5 m³/h

 
Shock resistance
DIN IEC 68-2-27 20 g (11 ms)

 
Vibration resistance
DIN IEC 68-2-6: 5 g (10…2000 Hz)

 
MTTF[years] 114
UL approval
UL Approval no. I014
File number UL E174189

 
Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request

Mechanical data

Weight[g] 798
Housing rectangular
Dimensions[mm] 110 x 48 x 73
Materials stainless steel (316/1.4408); stainless steel (316L/1.4404); PC; PBT+PC-GF30
Materials (wetted parts) stainless steel (316L/1.4404); PEEK; carbon fibre PEEK; EPDM; Centellen
Process connection threaded connection G 3/4 external thread DN20 flat seal

Displays / operating elements

Display
  colour display 1,44″, 128 x 128 pixels
  2 x LED, yellow

 

Remarks

Remarks
MW = measured value
MEW = Final value of the measuring range

 
Pack quantity 1 pcs.

Electrical connection

Connection Connector: 1 x M12; coding: A; Contacts: gold-plated

Datasheet Cảm biến lưu lượng IFM SM7120